1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2009 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "vasnprintf.h"
33 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
34 #define ASSERT(expr) \
39 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
46 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
50 static double plus_zero = 0.0;
51 double minus_zero = - plus_zero;
52 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
55 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
56 So we use -zerod instead. */
59 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
60 So we use minus_zerol instead.
61 IRIX cc can't put -0.0L into .data, but can compute at runtime.
62 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
63 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
64 #if defined __hpux || defined __sgi
66 compute_minus_zerol (void)
68 return -LDBL_MIN * LDBL_MIN;
70 # define minus_zerol compute_minus_zerol ()
72 long double minus_zerol = -0.0L;
75 /* Representation of an 80-bit 'long double' as an initializer for a sequence
76 of 'unsigned int' words. */
77 #ifdef WORDS_BIGENDIAN
78 # define LDBL80_WORDS(exponent,manthi,mantlo) \
79 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
80 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
81 (unsigned int) (mantlo) << 16 \
84 # define LDBL80_WORDS(exponent,manthi,mantlo) \
85 { mantlo, manthi, exponent }
89 strmatch (const char *pattern, const char *string)
91 if (strlen (pattern) != strlen (string))
93 for (; *pattern != '\0'; pattern++, string++)
94 if (*pattern != '*' && *string != *pattern)
99 /* Test whether string[start_index..end_index-1] is a valid textual
100 representation of NaN. */
102 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
104 if (start_index < end_index)
106 if (string[start_index] == '-')
108 if (start_index + 3 <= end_index
109 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
112 if (start_index == end_index
113 || (string[start_index] == '(' && string[end_index - 1] == ')'))
121 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
126 /* Test return value convention. */
128 for (size = 0; size <= 8; size++)
130 size_t length = size;
131 char *result = my_asnprintf (NULL, &length, "%d", 12345);
132 ASSERT (result != NULL);
133 ASSERT (strcmp (result, "12345") == 0);
134 ASSERT (length == 5);
138 for (size = 0; size <= 8; size++)
143 memcpy (buf, "DEADBEEF", 8);
145 result = my_asnprintf (buf, &length, "%d", 12345);
146 ASSERT (result != NULL);
147 ASSERT (strcmp (result, "12345") == 0);
148 ASSERT (length == 5);
150 ASSERT (result != buf);
151 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
156 /* Test support of size specifiers as in C99. */
161 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
162 ASSERT (result != NULL);
163 ASSERT (strcmp (result, "12345671 33") == 0);
164 ASSERT (length == strlen (result));
171 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
172 ASSERT (result != NULL);
173 ASSERT (strcmp (result, "12345672 33") == 0);
174 ASSERT (length == strlen (result));
181 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
182 ASSERT (result != NULL);
183 ASSERT (strcmp (result, "12345673 33") == 0);
184 ASSERT (length == strlen (result));
191 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
192 ASSERT (result != NULL);
193 ASSERT (strcmp (result, "1.5 33") == 0);
194 ASSERT (length == strlen (result));
198 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
199 output of floating-point numbers. */
201 { /* A positive number. */
204 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
205 ASSERT (result != NULL);
206 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
207 || strcmp (result, "0x3.244p+0 33") == 0
208 || strcmp (result, "0x6.488p-1 33") == 0
209 || strcmp (result, "0xc.91p-2 33") == 0);
210 ASSERT (length == strlen (result));
214 { /* A negative number. */
217 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
218 ASSERT (result != NULL);
219 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
220 || strcmp (result, "-0X3.244P+0 33") == 0
221 || strcmp (result, "-0X6.488P-1 33") == 0
222 || strcmp (result, "-0XC.91P-2 33") == 0);
223 ASSERT (length == strlen (result));
227 { /* Positive zero. */
230 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
231 ASSERT (result != NULL);
232 ASSERT (strcmp (result, "0x0p+0 33") == 0);
233 ASSERT (length == strlen (result));
237 { /* Negative zero. */
240 my_asnprintf (NULL, &length, "%a %d", -zerod, 33, 44, 55);
241 ASSERT (result != NULL);
242 if (have_minus_zero ())
243 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
244 ASSERT (length == strlen (result));
248 { /* Positive infinity. */
251 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
252 ASSERT (result != NULL);
253 ASSERT (strcmp (result, "inf 33") == 0);
254 ASSERT (length == strlen (result));
258 { /* Negative infinity. */
261 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
262 ASSERT (result != NULL);
263 ASSERT (strcmp (result, "-inf 33") == 0);
264 ASSERT (length == strlen (result));
271 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
272 ASSERT (result != NULL);
273 ASSERT (strlen (result) >= 3 + 3
274 && strisnan (result, 0, strlen (result) - 3, 0)
275 && strcmp (result + strlen (result) - 3, " 33") == 0);
276 ASSERT (length == strlen (result));
280 { /* Rounding near the decimal point. */
283 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
284 ASSERT (result != NULL);
285 ASSERT (strcmp (result, "0x2p+0 33") == 0
286 || strcmp (result, "0x3p-1 33") == 0
287 || strcmp (result, "0x6p-2 33") == 0
288 || strcmp (result, "0xcp-3 33") == 0);
289 ASSERT (length == strlen (result));
293 { /* Rounding with precision 0. */
296 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
297 ASSERT (result != NULL);
298 ASSERT (strcmp (result, "0x2p+0 33") == 0
299 || strcmp (result, "0x3p-1 33") == 0
300 || strcmp (result, "0x6p-2 33") == 0
301 || strcmp (result, "0xcp-3 33") == 0);
302 ASSERT (length == strlen (result));
306 { /* Rounding with precision 1. */
309 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
310 ASSERT (result != NULL);
311 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
312 || strcmp (result, "0x3.0p-1 33") == 0
313 || strcmp (result, "0x6.1p-2 33") == 0
314 || strcmp (result, "0xc.1p-3 33") == 0);
315 ASSERT (length == strlen (result));
319 { /* Rounding with precision 2. */
322 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
323 ASSERT (result != NULL);
324 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
325 || strcmp (result, "0x3.05p-1 33") == 0
326 || strcmp (result, "0x6.0ap-2 33") == 0
327 || strcmp (result, "0xc.14p-3 33") == 0);
328 ASSERT (length == strlen (result));
332 { /* Rounding with precision 3. */
335 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
336 ASSERT (result != NULL);
337 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
338 || strcmp (result, "0x3.052p-1 33") == 0
339 || strcmp (result, "0x6.0a4p-2 33") == 0
340 || strcmp (result, "0xc.148p-3 33") == 0);
341 ASSERT (length == strlen (result));
345 { /* Rounding can turn a ...FFF into a ...000. */
348 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
349 ASSERT (result != NULL);
350 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
351 || strcmp (result, "0x3.000p-1 33") == 0
352 || strcmp (result, "0x6.000p-2 33") == 0
353 || strcmp (result, "0xc.000p-3 33") == 0);
354 ASSERT (length == strlen (result));
358 { /* Rounding can turn a ...FFF into a ...000.
359 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
362 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
363 ASSERT (result != NULL);
364 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
365 || strcmp (result, "0x2.0p+0 33") == 0
366 || strcmp (result, "0x4.0p-1 33") == 0
367 || strcmp (result, "0x8.0p-2 33") == 0);
368 ASSERT (length == strlen (result));
375 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
376 ASSERT (result != NULL);
377 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
378 || strcmp (result, " 0x3.8p-1 33") == 0
379 || strcmp (result, " 0x7p-2 33") == 0
380 || strcmp (result, " 0xep-3 33") == 0);
381 ASSERT (length == strlen (result));
385 { /* Small precision. */
388 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
389 ASSERT (result != NULL);
390 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
391 || strcmp (result, "0x3.8000000000p-1 33") == 0
392 || strcmp (result, "0x7.0000000000p-2 33") == 0
393 || strcmp (result, "0xe.0000000000p-3 33") == 0);
394 ASSERT (length == strlen (result));
398 { /* Large precision. */
401 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
402 ASSERT (result != NULL);
403 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
404 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
405 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
406 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
407 ASSERT (length == strlen (result));
414 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
415 ASSERT (result != NULL);
416 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
417 || strcmp (result, "0x3.8p-1 33") == 0
418 || strcmp (result, "0x7p-2 33") == 0
419 || strcmp (result, "0xep-3 33") == 0);
420 ASSERT (length == strlen (result));
424 { /* FLAG_SHOWSIGN. */
427 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
428 ASSERT (result != NULL);
429 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
430 || strcmp (result, "+0x3.8p-1 33") == 0
431 || strcmp (result, "+0x7p-2 33") == 0
432 || strcmp (result, "+0xep-3 33") == 0);
433 ASSERT (length == strlen (result));
440 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
441 ASSERT (result != NULL);
442 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
443 || strcmp (result, " 0x3.8p-1 33") == 0
444 || strcmp (result, " 0x7p-2 33") == 0
445 || strcmp (result, " 0xep-3 33") == 0);
446 ASSERT (length == strlen (result));
453 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
454 ASSERT (result != NULL);
455 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
456 || strcmp (result, "0x3.8p-1 33") == 0
457 || strcmp (result, "0x7.p-2 33") == 0
458 || strcmp (result, "0xe.p-3 33") == 0);
459 ASSERT (length == strlen (result));
466 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
467 ASSERT (result != NULL);
468 ASSERT (strcmp (result, "0x1.p+0 33") == 0
469 || strcmp (result, "0x2.p-1 33") == 0
470 || strcmp (result, "0x4.p-2 33") == 0
471 || strcmp (result, "0x8.p-3 33") == 0);
472 ASSERT (length == strlen (result));
476 { /* FLAG_ZERO with finite number. */
479 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
480 ASSERT (result != NULL);
481 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
482 || strcmp (result, "0x003.8p-1 33") == 0
483 || strcmp (result, "0x00007p-2 33") == 0
484 || strcmp (result, "0x0000ep-3 33") == 0);
485 ASSERT (length == strlen (result));
489 { /* FLAG_ZERO with infinite number. */
492 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
493 ASSERT (result != NULL);
494 /* "0000000inf 33" is not a valid result; see
495 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
496 ASSERT (strcmp (result, " inf 33") == 0);
497 ASSERT (length == strlen (result));
501 { /* FLAG_ZERO with NaN. */
504 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
505 ASSERT (result != NULL);
506 /* "0000000nan 33" is not a valid result; see
507 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
508 ASSERT (strlen (result) == 50 + 3
509 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
510 && strcmp (result + strlen (result) - 3, " 33") == 0);
511 ASSERT (length == strlen (result));
515 { /* A positive number. */
518 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
519 ASSERT (result != NULL);
520 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
521 || strcmp (result, "0x3.244p+0 33") == 0
522 || strcmp (result, "0x6.488p-1 33") == 0
523 || strcmp (result, "0xc.91p-2 33") == 0);
524 ASSERT (length == strlen (result));
528 { /* A negative number. */
531 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
532 ASSERT (result != NULL);
533 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
534 || strcmp (result, "-0X3.244P+0 33") == 0
535 || strcmp (result, "-0X6.488P-1 33") == 0
536 || strcmp (result, "-0XC.91P-2 33") == 0);
537 ASSERT (length == strlen (result));
541 { /* Positive zero. */
544 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
545 ASSERT (result != NULL);
546 ASSERT (strcmp (result, "0x0p+0 33") == 0);
547 ASSERT (length == strlen (result));
551 { /* Negative zero. */
554 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
555 ASSERT (result != NULL);
556 if (have_minus_zero ())
557 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
558 ASSERT (length == strlen (result));
562 { /* Positive infinity. */
565 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
566 ASSERT (result != NULL);
567 ASSERT (strcmp (result, "inf 33") == 0);
568 ASSERT (length == strlen (result));
572 { /* Negative infinity. */
575 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
576 ASSERT (result != NULL);
577 ASSERT (strcmp (result, "-inf 33") == 0);
578 ASSERT (length == strlen (result));
585 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
586 ASSERT (result != NULL);
587 ASSERT (strlen (result) >= 3 + 3
588 && strisnan (result, 0, strlen (result) - 3, 0)
589 && strcmp (result + strlen (result) - 3, " 33") == 0);
590 ASSERT (length == strlen (result));
593 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
595 static union { unsigned int word[4]; long double value; } x =
596 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
599 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
600 ASSERT (result != NULL);
601 ASSERT (strlen (result) >= 3 + 3
602 && strisnan (result, 0, strlen (result) - 3, 0)
603 && strcmp (result + strlen (result) - 3, " 33") == 0);
604 ASSERT (length == strlen (result));
608 /* Signalling NaN. */
609 static union { unsigned int word[4]; long double value; } x =
610 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
613 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
614 ASSERT (result != NULL);
615 ASSERT (strlen (result) >= 3 + 3
616 && strisnan (result, 0, strlen (result) - 3, 0)
617 && strcmp (result + strlen (result) - 3, " 33") == 0);
618 ASSERT (length == strlen (result));
621 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
622 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
623 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
624 Application Architecture.
625 Table 5-2 "Floating-Point Register Encodings"
626 Figure 5-6 "Memory to Floating-Point Register Data Translation"
629 static union { unsigned int word[4]; long double value; } x =
630 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
633 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
634 ASSERT (result != NULL);
635 ASSERT (strlen (result) >= 3 + 3
636 && strisnan (result, 0, strlen (result) - 3, 0)
637 && strcmp (result + strlen (result) - 3, " 33") == 0);
638 ASSERT (length == strlen (result));
641 { /* Pseudo-Infinity. */
642 static union { unsigned int word[4]; long double value; } x =
643 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
646 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
647 ASSERT (result != NULL);
648 ASSERT (strlen (result) >= 3 + 3
649 && strisnan (result, 0, strlen (result) - 3, 0)
650 && strcmp (result + strlen (result) - 3, " 33") == 0);
651 ASSERT (length == strlen (result));
655 static union { unsigned int word[4]; long double value; } x =
656 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
659 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
660 ASSERT (result != NULL);
661 ASSERT (strlen (result) >= 3 + 3
662 && strisnan (result, 0, strlen (result) - 3, 0)
663 && strcmp (result + strlen (result) - 3, " 33") == 0);
664 ASSERT (length == strlen (result));
667 { /* Unnormalized number. */
668 static union { unsigned int word[4]; long double value; } x =
669 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
672 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
673 ASSERT (result != NULL);
674 ASSERT (strlen (result) >= 3 + 3
675 && strisnan (result, 0, strlen (result) - 3, 0)
676 && strcmp (result + strlen (result) - 3, " 33") == 0);
677 ASSERT (length == strlen (result));
680 { /* Pseudo-Denormal. */
681 static union { unsigned int word[4]; long double value; } x =
682 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
685 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
686 ASSERT (result != NULL);
687 ASSERT (strlen (result) >= 3 + 3
688 && strisnan (result, 0, strlen (result) - 3, 0)
689 && strcmp (result + strlen (result) - 3, " 33") == 0);
690 ASSERT (length == strlen (result));
695 { /* Rounding near the decimal point. */
698 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
699 ASSERT (result != NULL);
700 ASSERT (strcmp (result, "0x2p+0 33") == 0
701 || strcmp (result, "0x3p-1 33") == 0
702 || strcmp (result, "0x6p-2 33") == 0
703 || strcmp (result, "0xcp-3 33") == 0);
704 ASSERT (length == strlen (result));
708 { /* Rounding with precision 0. */
711 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
712 ASSERT (result != NULL);
713 ASSERT (strcmp (result, "0x2p+0 33") == 0
714 || strcmp (result, "0x3p-1 33") == 0
715 || strcmp (result, "0x6p-2 33") == 0
716 || strcmp (result, "0xcp-3 33") == 0);
717 ASSERT (length == strlen (result));
721 { /* Rounding with precision 1. */
724 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
725 ASSERT (result != NULL);
726 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
727 || strcmp (result, "0x3.0p-1 33") == 0
728 || strcmp (result, "0x6.1p-2 33") == 0
729 || strcmp (result, "0xc.1p-3 33") == 0);
730 ASSERT (length == strlen (result));
734 { /* Rounding with precision 2. */
737 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
738 ASSERT (result != NULL);
739 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
740 || strcmp (result, "0x3.05p-1 33") == 0
741 || strcmp (result, "0x6.0ap-2 33") == 0
742 || strcmp (result, "0xc.14p-3 33") == 0);
743 ASSERT (length == strlen (result));
747 { /* Rounding with precision 3. */
750 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
751 ASSERT (result != NULL);
752 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
753 || strcmp (result, "0x3.052p-1 33") == 0
754 || strcmp (result, "0x6.0a4p-2 33") == 0
755 || strcmp (result, "0xc.148p-3 33") == 0);
756 ASSERT (length == strlen (result));
760 { /* Rounding can turn a ...FFF into a ...000. */
763 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
764 ASSERT (result != NULL);
765 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
766 || strcmp (result, "0x3.000p-1 33") == 0
767 || strcmp (result, "0x6.000p-2 33") == 0
768 || strcmp (result, "0xc.000p-3 33") == 0);
769 ASSERT (length == strlen (result));
773 { /* Rounding can turn a ...FFF into a ...000.
774 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
775 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
778 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
779 ASSERT (result != NULL);
780 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
781 || strcmp (result, "0x2.0p+0 33") == 0
782 || strcmp (result, "0x4.0p-1 33") == 0
783 || strcmp (result, "0x8.0p-2 33") == 0);
784 ASSERT (length == strlen (result));
791 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
792 ASSERT (result != NULL);
793 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
794 || strcmp (result, " 0x3.8p-1 33") == 0
795 || strcmp (result, " 0x7p-2 33") == 0
796 || strcmp (result, " 0xep-3 33") == 0);
797 ASSERT (length == strlen (result));
801 { /* Small precision. */
804 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
805 ASSERT (result != NULL);
806 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
807 || strcmp (result, "0x3.8000000000p-1 33") == 0
808 || strcmp (result, "0x7.0000000000p-2 33") == 0
809 || strcmp (result, "0xe.0000000000p-3 33") == 0);
810 ASSERT (length == strlen (result));
814 { /* Large precision. */
817 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
818 ASSERT (result != NULL);
819 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
820 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
821 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
822 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
823 ASSERT (length == strlen (result));
830 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
831 ASSERT (result != NULL);
832 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
833 || strcmp (result, "0x3.8p-1 33") == 0
834 || strcmp (result, "0x7p-2 33") == 0
835 || strcmp (result, "0xep-3 33") == 0);
836 ASSERT (length == strlen (result));
840 { /* FLAG_SHOWSIGN. */
843 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
844 ASSERT (result != NULL);
845 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
846 || strcmp (result, "+0x3.8p-1 33") == 0
847 || strcmp (result, "+0x7p-2 33") == 0
848 || strcmp (result, "+0xep-3 33") == 0);
849 ASSERT (length == strlen (result));
856 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
857 ASSERT (result != NULL);
858 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
859 || strcmp (result, " 0x3.8p-1 33") == 0
860 || strcmp (result, " 0x7p-2 33") == 0
861 || strcmp (result, " 0xep-3 33") == 0);
862 ASSERT (length == strlen (result));
869 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
870 ASSERT (result != NULL);
871 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
872 || strcmp (result, "0x3.8p-1 33") == 0
873 || strcmp (result, "0x7.p-2 33") == 0
874 || strcmp (result, "0xe.p-3 33") == 0);
875 ASSERT (length == strlen (result));
882 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
883 ASSERT (result != NULL);
884 ASSERT (strcmp (result, "0x1.p+0 33") == 0
885 || strcmp (result, "0x2.p-1 33") == 0
886 || strcmp (result, "0x4.p-2 33") == 0
887 || strcmp (result, "0x8.p-3 33") == 0);
888 ASSERT (length == strlen (result));
892 { /* FLAG_ZERO with finite number. */
895 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
896 ASSERT (result != NULL);
897 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
898 || strcmp (result, "0x003.8p-1 33") == 0
899 || strcmp (result, "0x00007p-2 33") == 0
900 || strcmp (result, "0x0000ep-3 33") == 0);
901 ASSERT (length == strlen (result));
905 { /* FLAG_ZERO with infinite number. */
908 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
909 ASSERT (result != NULL);
910 /* "0000000inf 33" is not a valid result; see
911 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
912 ASSERT (strcmp (result, " inf 33") == 0);
913 ASSERT (length == strlen (result));
917 { /* FLAG_ZERO with NaN. */
920 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
921 ASSERT (result != NULL);
922 /* "0000000nan 33" is not a valid result; see
923 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
924 ASSERT (strlen (result) == 50 + 3
925 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
926 && strcmp (result + strlen (result) - 3, " 33") == 0);
927 ASSERT (length == strlen (result));
931 /* Test the support of the %f format directive. */
933 { /* A positive number. */
936 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
937 ASSERT (result != NULL);
938 ASSERT (strcmp (result, "12.750000 33") == 0);
939 ASSERT (length == strlen (result));
943 { /* A larger positive number. */
946 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
947 ASSERT (result != NULL);
948 ASSERT (strcmp (result, "1234567.000000 33") == 0);
949 ASSERT (length == strlen (result));
953 { /* Small and large positive numbers. */
954 static struct { double value; const char *string; } data[] =
956 { 1.234321234321234e-37, "0.000000" },
957 { 1.234321234321234e-36, "0.000000" },
958 { 1.234321234321234e-35, "0.000000" },
959 { 1.234321234321234e-34, "0.000000" },
960 { 1.234321234321234e-33, "0.000000" },
961 { 1.234321234321234e-32, "0.000000" },
962 { 1.234321234321234e-31, "0.000000" },
963 { 1.234321234321234e-30, "0.000000" },
964 { 1.234321234321234e-29, "0.000000" },
965 { 1.234321234321234e-28, "0.000000" },
966 { 1.234321234321234e-27, "0.000000" },
967 { 1.234321234321234e-26, "0.000000" },
968 { 1.234321234321234e-25, "0.000000" },
969 { 1.234321234321234e-24, "0.000000" },
970 { 1.234321234321234e-23, "0.000000" },
971 { 1.234321234321234e-22, "0.000000" },
972 { 1.234321234321234e-21, "0.000000" },
973 { 1.234321234321234e-20, "0.000000" },
974 { 1.234321234321234e-19, "0.000000" },
975 { 1.234321234321234e-18, "0.000000" },
976 { 1.234321234321234e-17, "0.000000" },
977 { 1.234321234321234e-16, "0.000000" },
978 { 1.234321234321234e-15, "0.000000" },
979 { 1.234321234321234e-14, "0.000000" },
980 { 1.234321234321234e-13, "0.000000" },
981 { 1.234321234321234e-12, "0.000000" },
982 { 1.234321234321234e-11, "0.000000" },
983 { 1.234321234321234e-10, "0.000000" },
984 { 1.234321234321234e-9, "0.000000" },
985 { 1.234321234321234e-8, "0.000000" },
986 { 1.234321234321234e-7, "0.000000" },
987 { 1.234321234321234e-6, "0.000001" },
988 { 1.234321234321234e-5, "0.000012" },
989 { 1.234321234321234e-4, "0.000123" },
990 { 1.234321234321234e-3, "0.001234" },
991 { 1.234321234321234e-2, "0.012343" },
992 { 1.234321234321234e-1, "0.123432" },
993 { 1.234321234321234, "1.234321" },
994 { 1.234321234321234e1, "12.343212" },
995 { 1.234321234321234e2, "123.432123" },
996 { 1.234321234321234e3, "1234.321234" },
997 { 1.234321234321234e4, "12343.212343" },
998 { 1.234321234321234e5, "123432.123432" },
999 { 1.234321234321234e6, "1234321.234321" },
1000 { 1.234321234321234e7, "12343212.343212" },
1001 { 1.234321234321234e8, "123432123.432123" },
1002 { 1.234321234321234e9, "1234321234.321234" },
1003 { 1.234321234321234e10, "12343212343.2123**" },
1004 { 1.234321234321234e11, "123432123432.123***" },
1005 { 1.234321234321234e12, "1234321234321.23****" },
1006 { 1.234321234321234e13, "12343212343212.3*****" },
1007 { 1.234321234321234e14, "123432123432123.******" },
1008 { 1.234321234321234e15, "1234321234321234.000000" },
1009 { 1.234321234321234e16, "123432123432123**.000000" },
1010 { 1.234321234321234e17, "123432123432123***.000000" },
1011 { 1.234321234321234e18, "123432123432123****.000000" },
1012 { 1.234321234321234e19, "123432123432123*****.000000" },
1013 { 1.234321234321234e20, "123432123432123******.000000" },
1014 { 1.234321234321234e21, "123432123432123*******.000000" },
1015 { 1.234321234321234e22, "123432123432123********.000000" },
1016 { 1.234321234321234e23, "123432123432123*********.000000" },
1017 { 1.234321234321234e24, "123432123432123**********.000000" },
1018 { 1.234321234321234e25, "123432123432123***********.000000" },
1019 { 1.234321234321234e26, "123432123432123************.000000" },
1020 { 1.234321234321234e27, "123432123432123*************.000000" },
1021 { 1.234321234321234e28, "123432123432123**************.000000" },
1022 { 1.234321234321234e29, "123432123432123***************.000000" },
1023 { 1.234321234321234e30, "123432123432123****************.000000" },
1024 { 1.234321234321234e31, "123432123432123*****************.000000" },
1025 { 1.234321234321234e32, "123432123432123******************.000000" },
1026 { 1.234321234321234e33, "123432123432123*******************.000000" },
1027 { 1.234321234321234e34, "123432123432123********************.000000" },
1028 { 1.234321234321234e35, "123432123432123*********************.000000" },
1029 { 1.234321234321234e36, "123432123432123**********************.000000" }
1032 for (k = 0; k < SIZEOF (data); k++)
1036 my_asnprintf (NULL, &length, "%f", data[k].value);
1037 ASSERT (result != NULL);
1038 ASSERT (strmatch (data[k].string, result));
1039 ASSERT (length == strlen (result));
1044 { /* A negative number. */
1047 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1048 ASSERT (result != NULL);
1049 ASSERT (strcmp (result, "-0.031250 33") == 0);
1050 ASSERT (length == strlen (result));
1054 { /* Positive zero. */
1057 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1058 ASSERT (result != NULL);
1059 ASSERT (strcmp (result, "0.000000 33") == 0);
1060 ASSERT (length == strlen (result));
1064 { /* Negative zero. */
1067 my_asnprintf (NULL, &length, "%f %d", -zerod, 33, 44, 55);
1068 ASSERT (result != NULL);
1069 if (have_minus_zero ())
1070 ASSERT (strcmp (result, "-0.000000 33") == 0);
1071 ASSERT (length == strlen (result));
1075 { /* Positive infinity. */
1078 my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55);
1079 ASSERT (result != NULL);
1080 ASSERT (strcmp (result, "inf 33") == 0
1081 || strcmp (result, "infinity 33") == 0);
1082 ASSERT (length == strlen (result));
1086 { /* Negative infinity. */
1089 my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55);
1090 ASSERT (result != NULL);
1091 ASSERT (strcmp (result, "-inf 33") == 0
1092 || strcmp (result, "-infinity 33") == 0);
1093 ASSERT (length == strlen (result));
1100 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1101 ASSERT (result != NULL);
1102 ASSERT (strlen (result) >= 3 + 3
1103 && strisnan (result, 0, strlen (result) - 3, 0)
1104 && strcmp (result + strlen (result) - 3, " 33") == 0);
1105 ASSERT (length == strlen (result));
1112 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1113 ASSERT (result != NULL);
1114 ASSERT (strcmp (result, " 1.750000 33") == 0);
1115 ASSERT (length == strlen (result));
1122 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1123 ASSERT (result != NULL);
1124 ASSERT (strcmp (result, "1.750000 33") == 0);
1125 ASSERT (length == strlen (result));
1129 { /* FLAG_SHOWSIGN. */
1132 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1133 ASSERT (result != NULL);
1134 ASSERT (strcmp (result, "+1.750000 33") == 0);
1135 ASSERT (length == strlen (result));
1142 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1143 ASSERT (result != NULL);
1144 ASSERT (strcmp (result, " 1.750000 33") == 0);
1145 ASSERT (length == strlen (result));
1152 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1153 ASSERT (result != NULL);
1154 ASSERT (strcmp (result, "1.750000 33") == 0);
1155 ASSERT (length == strlen (result));
1162 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1163 ASSERT (result != NULL);
1164 ASSERT (strcmp (result, "2. 33") == 0);
1165 ASSERT (length == strlen (result));
1169 { /* FLAG_ZERO with finite number. */
1172 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1173 ASSERT (result != NULL);
1174 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1175 ASSERT (length == strlen (result));
1179 { /* FLAG_ZERO with infinite number. */
1182 my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1183 ASSERT (result != NULL);
1184 ASSERT (strcmp (result, " -inf 33") == 0
1185 || strcmp (result, " -infinity 33") == 0);
1186 ASSERT (length == strlen (result));
1190 { /* FLAG_ZERO with NaN. */
1193 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1194 ASSERT (result != NULL);
1195 ASSERT (strlen (result) == 50 + 3
1196 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1197 && strcmp (result + strlen (result) - 3, " 33") == 0);
1198 ASSERT (length == strlen (result));
1205 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1206 ASSERT (result != NULL);
1207 ASSERT (strcmp (result, "1234 33") == 0);
1208 ASSERT (length == strlen (result));
1212 { /* Precision with no rounding. */
1215 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1216 ASSERT (result != NULL);
1217 ASSERT (strcmp (result, "999.95 33") == 0);
1218 ASSERT (length == strlen (result));
1222 { /* Precision with rounding. */
1225 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1226 ASSERT (result != NULL);
1227 ASSERT (strcmp (result, "1000.00 33") == 0);
1228 ASSERT (length == strlen (result));
1232 { /* A positive number. */
1235 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1236 ASSERT (result != NULL);
1237 ASSERT (strcmp (result, "12.750000 33") == 0);
1238 ASSERT (length == strlen (result));
1242 { /* A larger positive number. */
1245 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1246 ASSERT (result != NULL);
1247 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1248 ASSERT (length == strlen (result));
1252 { /* Small and large positive numbers. */
1253 static struct { long double value; const char *string; } data[] =
1255 { 1.234321234321234e-37L, "0.000000" },
1256 { 1.234321234321234e-36L, "0.000000" },
1257 { 1.234321234321234e-35L, "0.000000" },
1258 { 1.234321234321234e-34L, "0.000000" },
1259 { 1.234321234321234e-33L, "0.000000" },
1260 { 1.234321234321234e-32L, "0.000000" },
1261 { 1.234321234321234e-31L, "0.000000" },
1262 { 1.234321234321234e-30L, "0.000000" },
1263 { 1.234321234321234e-29L, "0.000000" },
1264 { 1.234321234321234e-28L, "0.000000" },
1265 { 1.234321234321234e-27L, "0.000000" },
1266 { 1.234321234321234e-26L, "0.000000" },
1267 { 1.234321234321234e-25L, "0.000000" },
1268 { 1.234321234321234e-24L, "0.000000" },
1269 { 1.234321234321234e-23L, "0.000000" },
1270 { 1.234321234321234e-22L, "0.000000" },
1271 { 1.234321234321234e-21L, "0.000000" },
1272 { 1.234321234321234e-20L, "0.000000" },
1273 { 1.234321234321234e-19L, "0.000000" },
1274 { 1.234321234321234e-18L, "0.000000" },
1275 { 1.234321234321234e-17L, "0.000000" },
1276 { 1.234321234321234e-16L, "0.000000" },
1277 { 1.234321234321234e-15L, "0.000000" },
1278 { 1.234321234321234e-14L, "0.000000" },
1279 { 1.234321234321234e-13L, "0.000000" },
1280 { 1.234321234321234e-12L, "0.000000" },
1281 { 1.234321234321234e-11L, "0.000000" },
1282 { 1.234321234321234e-10L, "0.000000" },
1283 { 1.234321234321234e-9L, "0.000000" },
1284 { 1.234321234321234e-8L, "0.000000" },
1285 { 1.234321234321234e-7L, "0.000000" },
1286 { 1.234321234321234e-6L, "0.000001" },
1287 { 1.234321234321234e-5L, "0.000012" },
1288 { 1.234321234321234e-4L, "0.000123" },
1289 { 1.234321234321234e-3L, "0.001234" },
1290 { 1.234321234321234e-2L, "0.012343" },
1291 { 1.234321234321234e-1L, "0.123432" },
1292 { 1.234321234321234L, "1.234321" },
1293 { 1.234321234321234e1L, "12.343212" },
1294 { 1.234321234321234e2L, "123.432123" },
1295 { 1.234321234321234e3L, "1234.321234" },
1296 { 1.234321234321234e4L, "12343.212343" },
1297 { 1.234321234321234e5L, "123432.123432" },
1298 { 1.234321234321234e6L, "1234321.234321" },
1299 { 1.234321234321234e7L, "12343212.343212" },
1300 { 1.234321234321234e8L, "123432123.432123" },
1301 { 1.234321234321234e9L, "1234321234.321234" },
1302 { 1.234321234321234e10L, "12343212343.2123**" },
1303 { 1.234321234321234e11L, "123432123432.123***" },
1304 { 1.234321234321234e12L, "1234321234321.23****" },
1305 { 1.234321234321234e13L, "12343212343212.3*****" },
1306 { 1.234321234321234e14L, "123432123432123.******" },
1307 { 1.234321234321234e15L, "1234321234321234.000000" },
1308 { 1.234321234321234e16L, "123432123432123**.000000" },
1309 { 1.234321234321234e17L, "123432123432123***.000000" },
1310 { 1.234321234321234e18L, "123432123432123****.000000" },
1311 { 1.234321234321234e19L, "123432123432123*****.000000" },
1312 { 1.234321234321234e20L, "123432123432123******.000000" },
1313 { 1.234321234321234e21L, "123432123432123*******.000000" },
1314 { 1.234321234321234e22L, "123432123432123********.000000" },
1315 { 1.234321234321234e23L, "123432123432123*********.000000" },
1316 { 1.234321234321234e24L, "123432123432123**********.000000" },
1317 { 1.234321234321234e25L, "123432123432123***********.000000" },
1318 { 1.234321234321234e26L, "123432123432123************.000000" },
1319 { 1.234321234321234e27L, "123432123432123*************.000000" },
1320 { 1.234321234321234e28L, "123432123432123**************.000000" },
1321 { 1.234321234321234e29L, "123432123432123***************.000000" },
1322 { 1.234321234321234e30L, "123432123432123****************.000000" },
1323 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1324 { 1.234321234321234e32L, "123432123432123******************.000000" },
1325 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1326 { 1.234321234321234e34L, "123432123432123********************.000000" },
1327 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1328 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1331 for (k = 0; k < SIZEOF (data); k++)
1335 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1336 ASSERT (result != NULL);
1337 ASSERT (strmatch (data[k].string, result));
1338 ASSERT (length == strlen (result));
1343 { /* A negative number. */
1346 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1347 ASSERT (result != NULL);
1348 ASSERT (strcmp (result, "-0.031250 33") == 0);
1349 ASSERT (length == strlen (result));
1353 { /* Positive zero. */
1356 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1357 ASSERT (result != NULL);
1358 ASSERT (strcmp (result, "0.000000 33") == 0);
1359 ASSERT (length == strlen (result));
1363 { /* Negative zero. */
1366 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1367 ASSERT (result != NULL);
1368 if (have_minus_zero ())
1369 ASSERT (strcmp (result, "-0.000000 33") == 0);
1370 ASSERT (length == strlen (result));
1374 { /* Positive infinity. */
1377 my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1378 ASSERT (result != NULL);
1379 ASSERT (strcmp (result, "inf 33") == 0
1380 || strcmp (result, "infinity 33") == 0);
1381 ASSERT (length == strlen (result));
1385 { /* Negative infinity. */
1388 my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1389 ASSERT (result != NULL);
1390 ASSERT (strcmp (result, "-inf 33") == 0
1391 || strcmp (result, "-infinity 33") == 0);
1392 ASSERT (length == strlen (result));
1399 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1400 ASSERT (result != NULL);
1401 ASSERT (strlen (result) >= 3 + 3
1402 && strisnan (result, 0, strlen (result) - 3, 0)
1403 && strcmp (result + strlen (result) - 3, " 33") == 0);
1404 ASSERT (length == strlen (result));
1407 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
1409 static union { unsigned int word[4]; long double value; } x =
1410 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1413 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1414 ASSERT (result != NULL);
1415 ASSERT (strlen (result) >= 3 + 3
1416 && strisnan (result, 0, strlen (result) - 3, 0)
1417 && strcmp (result + strlen (result) - 3, " 33") == 0);
1418 ASSERT (length == strlen (result));
1422 /* Signalling NaN. */
1423 static union { unsigned int word[4]; long double value; } x =
1424 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1427 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1428 ASSERT (result != NULL);
1429 ASSERT (strlen (result) >= 3 + 3
1430 && strisnan (result, 0, strlen (result) - 3, 0)
1431 && strcmp (result + strlen (result) - 3, " 33") == 0);
1432 ASSERT (length == strlen (result));
1435 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1436 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1437 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1438 Application Architecture.
1439 Table 5-2 "Floating-Point Register Encodings"
1440 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1443 static union { unsigned int word[4]; long double value; } x =
1444 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1447 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1448 ASSERT (result != NULL);
1449 ASSERT (strlen (result) >= 3 + 3
1450 && strisnan (result, 0, strlen (result) - 3, 0)
1451 && strcmp (result + strlen (result) - 3, " 33") == 0);
1452 ASSERT (length == strlen (result));
1455 { /* Pseudo-Infinity. */
1456 static union { unsigned int word[4]; long double value; } x =
1457 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1460 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1461 ASSERT (result != NULL);
1462 ASSERT (strlen (result) >= 3 + 3
1463 && strisnan (result, 0, strlen (result) - 3, 0)
1464 && strcmp (result + strlen (result) - 3, " 33") == 0);
1465 ASSERT (length == strlen (result));
1468 { /* Pseudo-Zero. */
1469 static union { unsigned int word[4]; long double value; } x =
1470 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1473 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1474 ASSERT (result != NULL);
1475 ASSERT (strlen (result) >= 3 + 3
1476 && strisnan (result, 0, strlen (result) - 3, 0)
1477 && strcmp (result + strlen (result) - 3, " 33") == 0);
1478 ASSERT (length == strlen (result));
1481 { /* Unnormalized number. */
1482 static union { unsigned int word[4]; long double value; } x =
1483 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1486 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1487 ASSERT (result != NULL);
1488 ASSERT (strlen (result) >= 3 + 3
1489 && strisnan (result, 0, strlen (result) - 3, 0)
1490 && strcmp (result + strlen (result) - 3, " 33") == 0);
1491 ASSERT (length == strlen (result));
1494 { /* Pseudo-Denormal. */
1495 static union { unsigned int word[4]; long double value; } x =
1496 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1499 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1500 ASSERT (result != NULL);
1501 ASSERT (strlen (result) >= 3 + 3
1502 && strisnan (result, 0, strlen (result) - 3, 0)
1503 && strcmp (result + strlen (result) - 3, " 33") == 0);
1504 ASSERT (length == strlen (result));
1512 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1513 ASSERT (result != NULL);
1514 ASSERT (strcmp (result, " 1.750000 33") == 0);
1515 ASSERT (length == strlen (result));
1522 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1523 ASSERT (result != NULL);
1524 ASSERT (strcmp (result, "1.750000 33") == 0);
1525 ASSERT (length == strlen (result));
1529 { /* FLAG_SHOWSIGN. */
1532 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1533 ASSERT (result != NULL);
1534 ASSERT (strcmp (result, "+1.750000 33") == 0);
1535 ASSERT (length == strlen (result));
1542 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1543 ASSERT (result != NULL);
1544 ASSERT (strcmp (result, " 1.750000 33") == 0);
1545 ASSERT (length == strlen (result));
1552 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1553 ASSERT (result != NULL);
1554 ASSERT (strcmp (result, "1.750000 33") == 0);
1555 ASSERT (length == strlen (result));
1562 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1563 ASSERT (result != NULL);
1564 ASSERT (strcmp (result, "2. 33") == 0);
1565 ASSERT (length == strlen (result));
1569 { /* FLAG_ZERO with finite number. */
1572 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1573 ASSERT (result != NULL);
1574 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1575 ASSERT (length == strlen (result));
1579 { /* FLAG_ZERO with infinite number. */
1582 my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1583 ASSERT (result != NULL);
1584 ASSERT (strcmp (result, " -inf 33") == 0
1585 || strcmp (result, " -infinity 33") == 0);
1586 ASSERT (length == strlen (result));
1590 { /* FLAG_ZERO with NaN. */
1593 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1594 ASSERT (result != NULL);
1595 ASSERT (strlen (result) == 50 + 3
1596 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1597 && strcmp (result + strlen (result) - 3, " 33") == 0);
1598 ASSERT (length == strlen (result));
1605 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1606 ASSERT (result != NULL);
1607 ASSERT (strcmp (result, "1234 33") == 0);
1608 ASSERT (length == strlen (result));
1612 { /* Precision with no rounding. */
1615 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1616 ASSERT (result != NULL);
1617 ASSERT (strcmp (result, "999.95 33") == 0);
1618 ASSERT (length == strlen (result));
1622 { /* Precision with rounding. */
1625 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1626 ASSERT (result != NULL);
1627 ASSERT (strcmp (result, "1000.00 33") == 0);
1628 ASSERT (length == strlen (result));
1632 /* Test the support of the %F format directive. */
1634 { /* A positive number. */
1637 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1638 ASSERT (result != NULL);
1639 ASSERT (strcmp (result, "12.750000 33") == 0);
1640 ASSERT (length == strlen (result));
1644 { /* A larger positive number. */
1647 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1648 ASSERT (result != NULL);
1649 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1650 ASSERT (length == strlen (result));
1654 { /* A negative number. */
1657 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1658 ASSERT (result != NULL);
1659 ASSERT (strcmp (result, "-0.031250 33") == 0);
1660 ASSERT (length == strlen (result));
1664 { /* Positive zero. */
1667 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1668 ASSERT (result != NULL);
1669 ASSERT (strcmp (result, "0.000000 33") == 0);
1670 ASSERT (length == strlen (result));
1674 { /* Negative zero. */
1677 my_asnprintf (NULL, &length, "%F %d", -zerod, 33, 44, 55);
1678 ASSERT (result != NULL);
1679 if (have_minus_zero ())
1680 ASSERT (strcmp (result, "-0.000000 33") == 0);
1681 ASSERT (length == strlen (result));
1685 { /* Positive infinity. */
1688 my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55);
1689 ASSERT (result != NULL);
1690 ASSERT (strcmp (result, "INF 33") == 0
1691 || strcmp (result, "INFINITY 33") == 0);
1692 ASSERT (length == strlen (result));
1696 { /* Negative infinity. */
1699 my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55);
1700 ASSERT (result != NULL);
1701 ASSERT (strcmp (result, "-INF 33") == 0
1702 || strcmp (result, "-INFINITY 33") == 0);
1703 ASSERT (length == strlen (result));
1710 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1711 ASSERT (result != NULL);
1712 ASSERT (strlen (result) >= 3 + 3
1713 && strisnan (result, 0, strlen (result) - 3, 1)
1714 && strcmp (result + strlen (result) - 3, " 33") == 0);
1715 ASSERT (length == strlen (result));
1722 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1723 ASSERT (result != NULL);
1724 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1725 ASSERT (length == strlen (result));
1729 { /* FLAG_ZERO with infinite number. */
1732 my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1733 ASSERT (result != NULL);
1734 ASSERT (strcmp (result, " -INF 33") == 0
1735 || strcmp (result, " -INFINITY 33") == 0);
1736 ASSERT (length == strlen (result));
1743 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1744 ASSERT (result != NULL);
1745 ASSERT (strcmp (result, "1234 33") == 0);
1746 ASSERT (length == strlen (result));
1750 { /* Precision with no rounding. */
1753 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1754 ASSERT (result != NULL);
1755 ASSERT (strcmp (result, "999.95 33") == 0);
1756 ASSERT (length == strlen (result));
1760 { /* Precision with rounding. */
1763 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1764 ASSERT (result != NULL);
1765 ASSERT (strcmp (result, "1000.00 33") == 0);
1766 ASSERT (length == strlen (result));
1770 { /* A positive number. */
1773 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1774 ASSERT (result != NULL);
1775 ASSERT (strcmp (result, "12.750000 33") == 0);
1776 ASSERT (length == strlen (result));
1780 { /* A larger positive number. */
1783 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1784 ASSERT (result != NULL);
1785 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1786 ASSERT (length == strlen (result));
1790 { /* A negative number. */
1793 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1794 ASSERT (result != NULL);
1795 ASSERT (strcmp (result, "-0.031250 33") == 0);
1796 ASSERT (length == strlen (result));
1800 { /* Positive zero. */
1803 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1804 ASSERT (result != NULL);
1805 ASSERT (strcmp (result, "0.000000 33") == 0);
1806 ASSERT (length == strlen (result));
1810 { /* Negative zero. */
1813 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1814 ASSERT (result != NULL);
1815 if (have_minus_zero ())
1816 ASSERT (strcmp (result, "-0.000000 33") == 0);
1817 ASSERT (length == strlen (result));
1821 { /* Positive infinity. */
1824 my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1825 ASSERT (result != NULL);
1826 ASSERT (strcmp (result, "INF 33") == 0
1827 || strcmp (result, "INFINITY 33") == 0);
1828 ASSERT (length == strlen (result));
1832 { /* Negative infinity. */
1835 my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1836 ASSERT (result != NULL);
1837 ASSERT (strcmp (result, "-INF 33") == 0
1838 || strcmp (result, "-INFINITY 33") == 0);
1839 ASSERT (length == strlen (result));
1846 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1847 ASSERT (result != NULL);
1848 ASSERT (strlen (result) >= 3 + 3
1849 && strisnan (result, 0, strlen (result) - 3, 1)
1850 && strcmp (result + strlen (result) - 3, " 33") == 0);
1851 ASSERT (length == strlen (result));
1858 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1859 ASSERT (result != NULL);
1860 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1861 ASSERT (length == strlen (result));
1865 { /* FLAG_ZERO with infinite number. */
1868 my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1869 ASSERT (result != NULL);
1870 ASSERT (strcmp (result, " -INF 33") == 0
1871 || strcmp (result, " -INFINITY 33") == 0);
1872 ASSERT (length == strlen (result));
1879 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1880 ASSERT (result != NULL);
1881 ASSERT (strcmp (result, "1234 33") == 0);
1882 ASSERT (length == strlen (result));
1886 { /* Precision with no rounding. */
1889 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1890 ASSERT (result != NULL);
1891 ASSERT (strcmp (result, "999.95 33") == 0);
1892 ASSERT (length == strlen (result));
1896 { /* Precision with rounding. */
1899 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1900 ASSERT (result != NULL);
1901 ASSERT (strcmp (result, "1000.00 33") == 0);
1902 ASSERT (length == strlen (result));
1906 /* Test the support of the %e format directive. */
1908 { /* A positive number. */
1911 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1912 ASSERT (result != NULL);
1913 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1914 || strcmp (result, "1.275000e+001 33") == 0);
1915 ASSERT (length == strlen (result));
1919 { /* A larger positive number. */
1922 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1923 ASSERT (result != NULL);
1924 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1925 || strcmp (result, "1.234567e+006 33") == 0);
1926 ASSERT (length == strlen (result));
1930 { /* Small and large positive numbers. */
1931 static struct { double value; const char *string; } data[] =
1933 { 1.234321234321234e-37, "1.234321e-37" },
1934 { 1.234321234321234e-36, "1.234321e-36" },
1935 { 1.234321234321234e-35, "1.234321e-35" },
1936 { 1.234321234321234e-34, "1.234321e-34" },
1937 { 1.234321234321234e-33, "1.234321e-33" },
1938 { 1.234321234321234e-32, "1.234321e-32" },
1939 { 1.234321234321234e-31, "1.234321e-31" },
1940 { 1.234321234321234e-30, "1.234321e-30" },
1941 { 1.234321234321234e-29, "1.234321e-29" },
1942 { 1.234321234321234e-28, "1.234321e-28" },
1943 { 1.234321234321234e-27, "1.234321e-27" },
1944 { 1.234321234321234e-26, "1.234321e-26" },
1945 { 1.234321234321234e-25, "1.234321e-25" },
1946 { 1.234321234321234e-24, "1.234321e-24" },
1947 { 1.234321234321234e-23, "1.234321e-23" },
1948 { 1.234321234321234e-22, "1.234321e-22" },
1949 { 1.234321234321234e-21, "1.234321e-21" },
1950 { 1.234321234321234e-20, "1.234321e-20" },
1951 { 1.234321234321234e-19, "1.234321e-19" },
1952 { 1.234321234321234e-18, "1.234321e-18" },
1953 { 1.234321234321234e-17, "1.234321e-17" },
1954 { 1.234321234321234e-16, "1.234321e-16" },
1955 { 1.234321234321234e-15, "1.234321e-15" },
1956 { 1.234321234321234e-14, "1.234321e-14" },
1957 { 1.234321234321234e-13, "1.234321e-13" },
1958 { 1.234321234321234e-12, "1.234321e-12" },
1959 { 1.234321234321234e-11, "1.234321e-11" },
1960 { 1.234321234321234e-10, "1.234321e-10" },
1961 { 1.234321234321234e-9, "1.234321e-09" },
1962 { 1.234321234321234e-8, "1.234321e-08" },
1963 { 1.234321234321234e-7, "1.234321e-07" },
1964 { 1.234321234321234e-6, "1.234321e-06" },
1965 { 1.234321234321234e-5, "1.234321e-05" },
1966 { 1.234321234321234e-4, "1.234321e-04" },
1967 { 1.234321234321234e-3, "1.234321e-03" },
1968 { 1.234321234321234e-2, "1.234321e-02" },
1969 { 1.234321234321234e-1, "1.234321e-01" },
1970 { 1.234321234321234, "1.234321e+00" },
1971 { 1.234321234321234e1, "1.234321e+01" },
1972 { 1.234321234321234e2, "1.234321e+02" },
1973 { 1.234321234321234e3, "1.234321e+03" },
1974 { 1.234321234321234e4, "1.234321e+04" },
1975 { 1.234321234321234e5, "1.234321e+05" },
1976 { 1.234321234321234e6, "1.234321e+06" },
1977 { 1.234321234321234e7, "1.234321e+07" },
1978 { 1.234321234321234e8, "1.234321e+08" },
1979 { 1.234321234321234e9, "1.234321e+09" },
1980 { 1.234321234321234e10, "1.234321e+10" },
1981 { 1.234321234321234e11, "1.234321e+11" },
1982 { 1.234321234321234e12, "1.234321e+12" },
1983 { 1.234321234321234e13, "1.234321e+13" },
1984 { 1.234321234321234e14, "1.234321e+14" },
1985 { 1.234321234321234e15, "1.234321e+15" },
1986 { 1.234321234321234e16, "1.234321e+16" },
1987 { 1.234321234321234e17, "1.234321e+17" },
1988 { 1.234321234321234e18, "1.234321e+18" },
1989 { 1.234321234321234e19, "1.234321e+19" },
1990 { 1.234321234321234e20, "1.234321e+20" },
1991 { 1.234321234321234e21, "1.234321e+21" },
1992 { 1.234321234321234e22, "1.234321e+22" },
1993 { 1.234321234321234e23, "1.234321e+23" },
1994 { 1.234321234321234e24, "1.234321e+24" },
1995 { 1.234321234321234e25, "1.234321e+25" },
1996 { 1.234321234321234e26, "1.234321e+26" },
1997 { 1.234321234321234e27, "1.234321e+27" },
1998 { 1.234321234321234e28, "1.234321e+28" },
1999 { 1.234321234321234e29, "1.234321e+29" },
2000 { 1.234321234321234e30, "1.234321e+30" },
2001 { 1.234321234321234e31, "1.234321e+31" },
2002 { 1.234321234321234e32, "1.234321e+32" },
2003 { 1.234321234321234e33, "1.234321e+33" },
2004 { 1.234321234321234e34, "1.234321e+34" },
2005 { 1.234321234321234e35, "1.234321e+35" },
2006 { 1.234321234321234e36, "1.234321e+36" }
2009 for (k = 0; k < SIZEOF (data); k++)
2013 my_asnprintf (NULL, &length, "%e", data[k].value);
2014 const char *expected = data[k].string;
2015 ASSERT (result != NULL);
2016 ASSERT (strcmp (result, expected) == 0
2017 /* Some implementations produce exponents with 3 digits. */
2018 || (strlen (result) == strlen (expected) + 1
2019 && memcmp (result, expected, strlen (expected) - 2) == 0
2020 && result[strlen (expected) - 2] == '0'
2021 && strcmp (result + strlen (expected) - 1,
2022 expected + strlen (expected) - 2)
2024 ASSERT (length == strlen (result));
2029 { /* A negative number. */
2032 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2033 ASSERT (result != NULL);
2034 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2035 || strcmp (result, "-3.125000e-002 33") == 0);
2036 ASSERT (length == strlen (result));
2040 { /* Positive zero. */
2043 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2044 ASSERT (result != NULL);
2045 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2046 || strcmp (result, "0.000000e+000 33") == 0);
2047 ASSERT (length == strlen (result));
2051 { /* Negative zero. */
2054 my_asnprintf (NULL, &length, "%e %d", -zerod, 33, 44, 55);
2055 ASSERT (result != NULL);
2056 if (have_minus_zero ())
2057 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2058 || strcmp (result, "-0.000000e+000 33") == 0);
2059 ASSERT (length == strlen (result));
2063 { /* Positive infinity. */
2066 my_asnprintf (NULL, &length, "%e %d", 1.0 / 0.0, 33, 44, 55);
2067 ASSERT (result != NULL);
2068 ASSERT (strcmp (result, "inf 33") == 0
2069 || strcmp (result, "infinity 33") == 0);
2070 ASSERT (length == strlen (result));
2074 { /* Negative infinity. */
2077 my_asnprintf (NULL, &length, "%e %d", -1.0 / 0.0, 33, 44, 55);
2078 ASSERT (result != NULL);
2079 ASSERT (strcmp (result, "-inf 33") == 0
2080 || strcmp (result, "-infinity 33") == 0);
2081 ASSERT (length == strlen (result));
2088 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2089 ASSERT (result != NULL);
2090 ASSERT (strlen (result) >= 3 + 3
2091 && strisnan (result, 0, strlen (result) - 3, 0)
2092 && strcmp (result + strlen (result) - 3, " 33") == 0);
2093 ASSERT (length == strlen (result));
2100 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2101 ASSERT (result != NULL);
2102 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2103 || strcmp (result, " 1.750000e+000 33") == 0);
2104 ASSERT (length == strlen (result));
2111 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2112 ASSERT (result != NULL);
2113 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2114 || strcmp (result, "1.750000e+000 33") == 0);
2115 ASSERT (length == strlen (result));
2119 { /* FLAG_SHOWSIGN. */
2122 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2123 ASSERT (result != NULL);
2124 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2125 || strcmp (result, "+1.750000e+000 33") == 0);
2126 ASSERT (length == strlen (result));
2133 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2134 ASSERT (result != NULL);
2135 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2136 || strcmp (result, " 1.750000e+000 33") == 0);
2137 ASSERT (length == strlen (result));
2144 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2145 ASSERT (result != NULL);
2146 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2147 || strcmp (result, "1.750000e+000 33") == 0);
2148 ASSERT (length == strlen (result));
2155 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2156 ASSERT (result != NULL);
2157 ASSERT (strcmp (result, "2.e+00 33") == 0
2158 || strcmp (result, "2.e+000 33") == 0);
2159 ASSERT (length == strlen (result));
2166 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2167 ASSERT (result != NULL);
2168 ASSERT (strcmp (result, "1.e+01 33") == 0
2169 || strcmp (result, "1.e+001 33") == 0);
2170 ASSERT (length == strlen (result));
2174 { /* FLAG_ZERO with finite number. */
2177 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2178 ASSERT (result != NULL);
2179 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2180 || strcmp (result, "001.234000e+003 33") == 0);
2181 ASSERT (length == strlen (result));
2185 { /* FLAG_ZERO with infinite number. */
2188 my_asnprintf (NULL, &length, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2189 ASSERT (result != NULL);
2190 ASSERT (strcmp (result, " -inf 33") == 0
2191 || strcmp (result, " -infinity 33") == 0);
2192 ASSERT (length == strlen (result));
2196 { /* FLAG_ZERO with NaN. */
2199 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2200 ASSERT (result != NULL);
2201 ASSERT (strlen (result) == 50 + 3
2202 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2203 && strcmp (result + strlen (result) - 3, " 33") == 0);
2204 ASSERT (length == strlen (result));
2211 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2212 ASSERT (result != NULL);
2213 ASSERT (strcmp (result, "1e+03 33") == 0
2214 || strcmp (result, "1e+003 33") == 0);
2215 ASSERT (length == strlen (result));
2219 { /* Precision with no rounding. */
2222 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2223 ASSERT (result != NULL);
2224 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2225 || strcmp (result, "9.9995e+002 33") == 0);
2226 ASSERT (length == strlen (result));
2230 { /* Precision with rounding. */
2233 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2234 ASSERT (result != NULL);
2235 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2236 || strcmp (result, "1.0000e+003 33") == 0);
2237 ASSERT (length == strlen (result));
2241 { /* A positive number. */
2244 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2245 ASSERT (result != NULL);
2246 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2247 || strcmp (result, "1.275000e+001 33") == 0);
2248 ASSERT (length == strlen (result));
2252 { /* A larger positive number. */
2255 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2256 ASSERT (result != NULL);
2257 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2258 || strcmp (result, "1.234567e+006 33") == 0);
2259 ASSERT (length == strlen (result));
2263 { /* Small and large positive numbers. */
2264 static struct { long double value; const char *string; } data[] =
2266 { 1.234321234321234e-37L, "1.234321e-37" },
2267 { 1.234321234321234e-36L, "1.234321e-36" },
2268 { 1.234321234321234e-35L, "1.234321e-35" },
2269 { 1.234321234321234e-34L, "1.234321e-34" },
2270 { 1.234321234321234e-33L, "1.234321e-33" },
2271 { 1.234321234321234e-32L, "1.234321e-32" },
2272 { 1.234321234321234e-31L, "1.234321e-31" },
2273 { 1.234321234321234e-30L, "1.234321e-30" },
2274 { 1.234321234321234e-29L, "1.234321e-29" },
2275 { 1.234321234321234e-28L, "1.234321e-28" },
2276 { 1.234321234321234e-27L, "1.234321e-27" },
2277 { 1.234321234321234e-26L, "1.234321e-26" },
2278 { 1.234321234321234e-25L, "1.234321e-25" },
2279 { 1.234321234321234e-24L, "1.234321e-24" },
2280 { 1.234321234321234e-23L, "1.234321e-23" },
2281 { 1.234321234321234e-22L, "1.234321e-22" },
2282 { 1.234321234321234e-21L, "1.234321e-21" },
2283 { 1.234321234321234e-20L, "1.234321e-20" },
2284 { 1.234321234321234e-19L, "1.234321e-19" },
2285 { 1.234321234321234e-18L, "1.234321e-18" },
2286 { 1.234321234321234e-17L, "1.234321e-17" },
2287 { 1.234321234321234e-16L, "1.234321e-16" },
2288 { 1.234321234321234e-15L, "1.234321e-15" },
2289 { 1.234321234321234e-14L, "1.234321e-14" },
2290 { 1.234321234321234e-13L, "1.234321e-13" },
2291 { 1.234321234321234e-12L, "1.234321e-12" },
2292 { 1.234321234321234e-11L, "1.234321e-11" },
2293 { 1.234321234321234e-10L, "1.234321e-10" },
2294 { 1.234321234321234e-9L, "1.234321e-09" },
2295 { 1.234321234321234e-8L, "1.234321e-08" },
2296 { 1.234321234321234e-7L, "1.234321e-07" },
2297 { 1.234321234321234e-6L, "1.234321e-06" },
2298 { 1.234321234321234e-5L, "1.234321e-05" },
2299 { 1.234321234321234e-4L, "1.234321e-04" },
2300 { 1.234321234321234e-3L, "1.234321e-03" },
2301 { 1.234321234321234e-2L, "1.234321e-02" },
2302 { 1.234321234321234e-1L, "1.234321e-01" },
2303 { 1.234321234321234L, "1.234321e+00" },
2304 { 1.234321234321234e1L, "1.234321e+01" },
2305 { 1.234321234321234e2L, "1.234321e+02" },
2306 { 1.234321234321234e3L, "1.234321e+03" },
2307 { 1.234321234321234e4L, "1.234321e+04" },
2308 { 1.234321234321234e5L, "1.234321e+05" },
2309 { 1.234321234321234e6L, "1.234321e+06" },
2310 { 1.234321234321234e7L, "1.234321e+07" },
2311 { 1.234321234321234e8L, "1.234321e+08" },
2312 { 1.234321234321234e9L, "1.234321e+09" },
2313 { 1.234321234321234e10L, "1.234321e+10" },
2314 { 1.234321234321234e11L, "1.234321e+11" },
2315 { 1.234321234321234e12L, "1.234321e+12" },
2316 { 1.234321234321234e13L, "1.234321e+13" },
2317 { 1.234321234321234e14L, "1.234321e+14" },
2318 { 1.234321234321234e15L, "1.234321e+15" },
2319 { 1.234321234321234e16L, "1.234321e+16" },
2320 { 1.234321234321234e17L, "1.234321e+17" },
2321 { 1.234321234321234e18L, "1.234321e+18" },
2322 { 1.234321234321234e19L, "1.234321e+19" },
2323 { 1.234321234321234e20L, "1.234321e+20" },
2324 { 1.234321234321234e21L, "1.234321e+21" },
2325 { 1.234321234321234e22L, "1.234321e+22" },
2326 { 1.234321234321234e23L, "1.234321e+23" },
2327 { 1.234321234321234e24L, "1.234321e+24" },
2328 { 1.234321234321234e25L, "1.234321e+25" },
2329 { 1.234321234321234e26L, "1.234321e+26" },
2330 { 1.234321234321234e27L, "1.234321e+27" },
2331 { 1.234321234321234e28L, "1.234321e+28" },
2332 { 1.234321234321234e29L, "1.234321e+29" },
2333 { 1.234321234321234e30L, "1.234321e+30" },
2334 { 1.234321234321234e31L, "1.234321e+31" },
2335 { 1.234321234321234e32L, "1.234321e+32" },
2336 { 1.234321234321234e33L, "1.234321e+33" },
2337 { 1.234321234321234e34L, "1.234321e+34" },
2338 { 1.234321234321234e35L, "1.234321e+35" },
2339 { 1.234321234321234e36L, "1.234321e+36" }
2342 for (k = 0; k < SIZEOF (data); k++)
2346 my_asnprintf (NULL, &length, "%Le", data[k].value);
2347 const char *expected = data[k].string;
2348 ASSERT (result != NULL);
2349 ASSERT (strcmp (result, expected) == 0
2350 /* Some implementations produce exponents with 3 digits. */
2351 || (strlen (result) == strlen (expected) + 1
2352 && memcmp (result, expected, strlen (expected) - 2) == 0
2353 && result[strlen (expected) - 2] == '0'
2354 && strcmp (result + strlen (expected) - 1,
2355 expected + strlen (expected) - 2)
2357 ASSERT (length == strlen (result));
2362 { /* A negative number. */
2365 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2366 ASSERT (result != NULL);
2367 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2368 || strcmp (result, "-3.125000e-002 33") == 0);
2369 ASSERT (length == strlen (result));
2373 { /* Positive zero. */
2376 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2377 ASSERT (result != NULL);
2378 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2379 || strcmp (result, "0.000000e+000 33") == 0);
2380 ASSERT (length == strlen (result));
2384 { /* Negative zero. */
2387 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2388 ASSERT (result != NULL);
2389 if (have_minus_zero ())
2390 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2391 || strcmp (result, "-0.000000e+000 33") == 0);
2392 ASSERT (length == strlen (result));
2396 { /* Positive infinity. */
2399 my_asnprintf (NULL, &length, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2400 ASSERT (result != NULL);
2401 ASSERT (strcmp (result, "inf 33") == 0
2402 || strcmp (result, "infinity 33") == 0);
2403 ASSERT (length == strlen (result));
2407 { /* Negative infinity. */
2410 my_asnprintf (NULL, &length, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2411 ASSERT (result != NULL);
2412 ASSERT (strcmp (result, "-inf 33") == 0
2413 || strcmp (result, "-infinity 33") == 0);
2414 ASSERT (length == strlen (result));
2421 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2422 ASSERT (result != NULL);
2423 ASSERT (strlen (result) >= 3 + 3
2424 && strisnan (result, 0, strlen (result) - 3, 0)
2425 && strcmp (result + strlen (result) - 3, " 33") == 0);
2426 ASSERT (length == strlen (result));
2429 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
2431 static union { unsigned int word[4]; long double value; } x =
2432 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2435 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2436 ASSERT (result != NULL);
2437 ASSERT (strlen (result) >= 3 + 3
2438 && strisnan (result, 0, strlen (result) - 3, 0)
2439 && strcmp (result + strlen (result) - 3, " 33") == 0);
2440 ASSERT (length == strlen (result));
2444 /* Signalling NaN. */
2445 static union { unsigned int word[4]; long double value; } x =
2446 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2449 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2450 ASSERT (result != NULL);
2451 ASSERT (strlen (result) >= 3 + 3
2452 && strisnan (result, 0, strlen (result) - 3, 0)
2453 && strcmp (result + strlen (result) - 3, " 33") == 0);
2454 ASSERT (length == strlen (result));
2457 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2458 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2459 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2460 Application Architecture.
2461 Table 5-2 "Floating-Point Register Encodings"
2462 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2465 static union { unsigned int word[4]; long double value; } x =
2466 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2469 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2470 ASSERT (result != NULL);
2471 ASSERT (strlen (result) >= 3 + 3
2472 && strisnan (result, 0, strlen (result) - 3, 0)
2473 && strcmp (result + strlen (result) - 3, " 33") == 0);
2474 ASSERT (length == strlen (result));
2477 { /* Pseudo-Infinity. */
2478 static union { unsigned int word[4]; long double value; } x =
2479 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2482 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2483 ASSERT (result != NULL);
2484 ASSERT (strlen (result) >= 3 + 3
2485 && strisnan (result, 0, strlen (result) - 3, 0)
2486 && strcmp (result + strlen (result) - 3, " 33") == 0);
2487 ASSERT (length == strlen (result));
2490 { /* Pseudo-Zero. */
2491 static union { unsigned int word[4]; long double value; } x =
2492 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2495 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2496 ASSERT (result != NULL);
2497 ASSERT (strlen (result) >= 3 + 3
2498 && strisnan (result, 0, strlen (result) - 3, 0)
2499 && strcmp (result + strlen (result) - 3, " 33") == 0);
2500 ASSERT (length == strlen (result));
2503 { /* Unnormalized number. */
2504 static union { unsigned int word[4]; long double value; } x =
2505 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2508 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2509 ASSERT (result != NULL);
2510 ASSERT (strlen (result) >= 3 + 3
2511 && strisnan (result, 0, strlen (result) - 3, 0)
2512 && strcmp (result + strlen (result) - 3, " 33") == 0);
2513 ASSERT (length == strlen (result));
2516 { /* Pseudo-Denormal. */
2517 static union { unsigned int word[4]; long double value; } x =
2518 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2521 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2522 ASSERT (result != NULL);
2523 ASSERT (strlen (result) >= 3 + 3
2524 && strisnan (result, 0, strlen (result) - 3, 0)
2525 && strcmp (result + strlen (result) - 3, " 33") == 0);
2526 ASSERT (length == strlen (result));
2534 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2535 ASSERT (result != NULL);
2536 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2537 || strcmp (result, " 1.750000e+000 33") == 0);
2538 ASSERT (length == strlen (result));
2545 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2546 ASSERT (result != NULL);
2547 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2548 || strcmp (result, "1.750000e+000 33") == 0);
2549 ASSERT (length == strlen (result));
2553 { /* FLAG_SHOWSIGN. */
2556 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2557 ASSERT (result != NULL);
2558 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2559 || strcmp (result, "+1.750000e+000 33") == 0);
2560 ASSERT (length == strlen (result));
2567 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2568 ASSERT (result != NULL);
2569 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2570 || strcmp (result, " 1.750000e+000 33") == 0);
2571 ASSERT (length == strlen (result));
2578 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2579 ASSERT (result != NULL);
2580 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2581 || strcmp (result, "1.750000e+000 33") == 0);
2582 ASSERT (length == strlen (result));
2589 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2590 ASSERT (result != NULL);
2591 ASSERT (strcmp (result, "2.e+00 33") == 0
2592 || strcmp (result, "2.e+000 33") == 0);
2593 ASSERT (length == strlen (result));
2600 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2601 ASSERT (result != NULL);
2602 ASSERT (strcmp (result, "1.e+01 33") == 0
2603 || strcmp (result, "1.e+001 33") == 0);
2604 ASSERT (length == strlen (result));
2608 { /* FLAG_ZERO with finite number. */
2611 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2612 ASSERT (result != NULL);
2613 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2614 || strcmp (result, "001.234000e+003 33") == 0);
2615 ASSERT (length == strlen (result));
2619 { /* FLAG_ZERO with infinite number. */
2622 my_asnprintf (NULL, &length, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2623 ASSERT (result != NULL);
2624 ASSERT (strcmp (result, " -inf 33") == 0
2625 || strcmp (result, " -infinity 33") == 0);
2626 ASSERT (length == strlen (result));
2630 { /* FLAG_ZERO with NaN. */
2633 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2634 ASSERT (result != NULL);
2635 ASSERT (strlen (result) == 50 + 3
2636 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2637 && strcmp (result + strlen (result) - 3, " 33") == 0);
2638 ASSERT (length == strlen (result));
2645 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2646 ASSERT (result != NULL);
2647 ASSERT (strcmp (result, "1e+03 33") == 0
2648 || strcmp (result, "1e+003 33") == 0);
2649 ASSERT (length == strlen (result));
2653 { /* Precision with no rounding. */
2656 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2657 ASSERT (result != NULL);
2658 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2659 || strcmp (result, "9.9995e+002 33") == 0);
2660 ASSERT (length == strlen (result));
2664 { /* Precision with rounding. */
2667 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2668 ASSERT (result != NULL);
2669 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2670 || strcmp (result, "1.0000e+003 33") == 0);
2671 ASSERT (length == strlen (result));
2675 /* Test the support of the %g format directive. */
2677 { /* A positive number. */
2680 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2681 ASSERT (result != NULL);
2682 ASSERT (strcmp (result, "12.75 33") == 0);
2683 ASSERT (length == strlen (result));
2687 { /* A larger positive number. */
2690 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2691 ASSERT (result != NULL);
2692 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2693 || strcmp (result, "1.23457e+006 33") == 0);
2694 ASSERT (length == strlen (result));
2698 { /* Small and large positive numbers. */
2699 static struct { double value; const char *string; } data[] =
2701 { 1.234321234321234e-37, "1.23432e-37" },
2702 { 1.234321234321234e-36, "1.23432e-36" },
2703 { 1.234321234321234e-35, "1.23432e-35" },
2704 { 1.234321234321234e-34, "1.23432e-34" },
2705 { 1.234321234321234e-33, "1.23432e-33" },
2706 { 1.234321234321234e-32, "1.23432e-32" },
2707 { 1.234321234321234e-31, "1.23432e-31" },
2708 { 1.234321234321234e-30, "1.23432e-30" },
2709 { 1.234321234321234e-29, "1.23432e-29" },
2710 { 1.234321234321234e-28, "1.23432e-28" },
2711 { 1.234321234321234e-27, "1.23432e-27" },
2712 { 1.234321234321234e-26, "1.23432e-26" },
2713 { 1.234321234321234e-25, "1.23432e-25" },
2714 { 1.234321234321234e-24, "1.23432e-24" },
2715 { 1.234321234321234e-23, "1.23432e-23" },
2716 { 1.234321234321234e-22, "1.23432e-22" },
2717 { 1.234321234321234e-21, "1.23432e-21" },
2718 { 1.234321234321234e-20, "1.23432e-20" },
2719 { 1.234321234321234e-19, "1.23432e-19" },
2720 { 1.234321234321234e-18, "1.23432e-18" },
2721 { 1.234321234321234e-17, "1.23432e-17" },
2722 { 1.234321234321234e-16, "1.23432e-16" },
2723 { 1.234321234321234e-15, "1.23432e-15" },
2724 { 1.234321234321234e-14, "1.23432e-14" },
2725 { 1.234321234321234e-13, "1.23432e-13" },
2726 { 1.234321234321234e-12, "1.23432e-12" },
2727 { 1.234321234321234e-11, "1.23432e-11" },
2728 { 1.234321234321234e-10, "1.23432e-10" },
2729 { 1.234321234321234e-9, "1.23432e-09" },
2730 { 1.234321234321234e-8, "1.23432e-08" },
2731 { 1.234321234321234e-7, "1.23432e-07" },
2732 { 1.234321234321234e-6, "1.23432e-06" },
2733 { 1.234321234321234e-5, "1.23432e-05" },
2734 { 1.234321234321234e-4, "0.000123432" },
2735 { 1.234321234321234e-3, "0.00123432" },
2736 { 1.234321234321234e-2, "0.0123432" },
2737 { 1.234321234321234e-1, "0.123432" },
2738 { 1.234321234321234, "1.23432" },
2739 { 1.234321234321234e1, "12.3432" },
2740 { 1.234321234321234e2, "123.432" },
2741 { 1.234321234321234e3, "1234.32" },
2742 { 1.234321234321234e4, "12343.2" },
2743 { 1.234321234321234e5, "123432" },
2744 { 1.234321234321234e6, "1.23432e+06" },
2745 { 1.234321234321234e7, "1.23432e+07" },
2746 { 1.234321234321234e8, "1.23432e+08" },
2747 { 1.234321234321234e9, "1.23432e+09" },
2748 { 1.234321234321234e10, "1.23432e+10" },
2749 { 1.234321234321234e11, "1.23432e+11" },
2750 { 1.234321234321234e12, "1.23432e+12" },
2751 { 1.234321234321234e13, "1.23432e+13" },
2752 { 1.234321234321234e14, "1.23432e+14" },
2753 { 1.234321234321234e15, "1.23432e+15" },
2754 { 1.234321234321234e16, "1.23432e+16" },
2755 { 1.234321234321234e17, "1.23432e+17" },
2756 { 1.234321234321234e18, "1.23432e+18" },
2757 { 1.234321234321234e19, "1.23432e+19" },
2758 { 1.234321234321234e20, "1.23432e+20" },
2759 { 1.234321234321234e21, "1.23432e+21" },
2760 { 1.234321234321234e22, "1.23432e+22" },
2761 { 1.234321234321234e23, "1.23432e+23" },
2762 { 1.234321234321234e24, "1.23432e+24" },
2763 { 1.234321234321234e25, "1.23432e+25" },
2764 { 1.234321234321234e26, "1.23432e+26" },
2765 { 1.234321234321234e27, "1.23432e+27" },
2766 { 1.234321234321234e28, "1.23432e+28" },
2767 { 1.234321234321234e29, "1.23432e+29" },
2768 { 1.234321234321234e30, "1.23432e+30" },
2769 { 1.234321234321234e31, "1.23432e+31" },
2770 { 1.234321234321234e32, "1.23432e+32" },
2771 { 1.234321234321234e33, "1.23432e+33" },
2772 { 1.234321234321234e34, "1.23432e+34" },
2773 { 1.234321234321234e35, "1.23432e+35" },
2774 { 1.234321234321234e36, "1.23432e+36" }
2777 for (k = 0; k < SIZEOF (data); k++)
2781 my_asnprintf (NULL, &length, "%g", data[k].value);
2782 const char *expected = data[k].string;
2783 ASSERT (result != NULL);
2784 ASSERT (strcmp (result, expected) == 0
2785 /* Some implementations produce exponents with 3 digits. */
2786 || (expected[strlen (expected) - 4] == 'e'
2787 && strlen (result) == strlen (expected) + 1
2788 && memcmp (result, expected, strlen (expected) - 2) == 0
2789 && result[strlen (expected) - 2] == '0'
2790 && strcmp (result + strlen (expected) - 1,
2791 expected + strlen (expected) - 2)
2793 ASSERT (length == strlen (result));
2798 { /* A negative number. */
2801 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2802 ASSERT (result != NULL);
2803 ASSERT (strcmp (result, "-0.03125 33") == 0);
2804 ASSERT (length == strlen (result));
2808 { /* Positive zero. */
2811 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2812 ASSERT (result != NULL);
2813 ASSERT (strcmp (result, "0 33") == 0);
2814 ASSERT (length == strlen (result));
2818 { /* Negative zero. */
2821 my_asnprintf (NULL, &length, "%g %d", -zerod, 33, 44, 55);
2822 ASSERT (result != NULL);
2823 if (have_minus_zero ())
2824 ASSERT (strcmp (result, "-0 33") == 0);
2825 ASSERT (length == strlen (result));
2829 { /* Positive infinity. */
2832 my_asnprintf (NULL, &length, "%g %d", 1.0 / 0.0, 33, 44, 55);
2833 ASSERT (result != NULL);
2834 ASSERT (strcmp (result, "inf 33") == 0
2835 || strcmp (result, "infinity 33") == 0);
2836 ASSERT (length == strlen (result));
2840 { /* Negative infinity. */
2843 my_asnprintf (NULL, &length, "%g %d", -1.0 / 0.0, 33, 44, 55);
2844 ASSERT (result != NULL);
2845 ASSERT (strcmp (result, "-inf 33") == 0
2846 || strcmp (result, "-infinity 33") == 0);
2847 ASSERT (length == strlen (result));
2854 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2855 ASSERT (result != NULL);
2856 ASSERT (strlen (result) >= 3 + 3
2857 && strisnan (result, 0, strlen (result) - 3, 0)
2858 && strcmp (result + strlen (result) - 3, " 33") == 0);
2859 ASSERT (length == strlen (result));
2866 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2867 ASSERT (result != NULL);
2868 ASSERT (strcmp (result, " 1.75 33") == 0);
2869 ASSERT (length == strlen (result));
2876 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2877 ASSERT (result != NULL);
2878 ASSERT (strcmp (result, "1.75 33") == 0);
2879 ASSERT (length == strlen (result));
2883 { /* FLAG_SHOWSIGN. */
2886 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2887 ASSERT (result != NULL);
2888 ASSERT (strcmp (result, "+1.75 33") == 0);
2889 ASSERT (length == strlen (result));
2896 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2897 ASSERT (result != NULL);
2898 ASSERT (strcmp (result, " 1.75 33") == 0);
2899 ASSERT (length == strlen (result));
2906 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2907 ASSERT (result != NULL);
2908 ASSERT (strcmp (result, "1.75000 33") == 0);
2909 ASSERT (length == strlen (result));
2916 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2917 ASSERT (result != NULL);
2918 ASSERT (strcmp (result, "2. 33") == 0);
2919 ASSERT (length == strlen (result));
2926 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2927 ASSERT (result != NULL);
2928 ASSERT (strcmp (result, "1.e+01 33") == 0
2929 || strcmp (result, "1.e+001 33") == 0);
2930 ASSERT (length == strlen (result));
2934 { /* FLAG_ZERO with finite number. */
2937 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2938 ASSERT (result != NULL);
2939 ASSERT (strcmp (result, "0000001234 33") == 0);
2940 ASSERT (length == strlen (result));
2944 { /* FLAG_ZERO with infinite number. */
2947 my_asnprintf (NULL, &length, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2948 ASSERT (result != NULL);
2949 ASSERT (strcmp (result, " -inf 33") == 0
2950 || strcmp (result, " -infinity 33") == 0);
2951 ASSERT (length == strlen (result));
2955 { /* FLAG_ZERO with NaN. */
2958 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2959 ASSERT (result != NULL);
2960 ASSERT (strlen (result) == 50 + 3
2961 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2962 && strcmp (result + strlen (result) - 3, " 33") == 0);
2963 ASSERT (length == strlen (result));
2970 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2971 ASSERT (result != NULL);
2972 ASSERT (strcmp (result, "1e+03 33") == 0
2973 || strcmp (result, "1e+003 33") == 0);
2974 ASSERT (length == strlen (result));
2978 { /* Precision with no rounding. */
2981 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2982 ASSERT (result != NULL);
2983 ASSERT (strcmp (result, "999.95 33") == 0);
2984 ASSERT (length == strlen (result));
2988 { /* Precision with rounding. */
2991 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2992 ASSERT (result != NULL);
2993 ASSERT (strcmp (result, "1000 33") == 0);
2994 ASSERT (length == strlen (result));
2998 { /* A positive number. */
3001 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
3002 ASSERT (result != NULL);
3003 ASSERT (strcmp (result, "12.75 33") == 0);
3004 ASSERT (length == strlen (result));
3008 { /* A larger positive number. */
3011 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
3012 ASSERT (result != NULL);
3013 ASSERT (strcmp (result, "1.23457e+06 33") == 0
3014 || strcmp (result, "1.23457e+006 33") == 0);
3015 ASSERT (length == strlen (result));
3019 { /* Small and large positive numbers. */
3020 static struct { long double value; const char *string; } data[] =
3022 { 1.234321234321234e-37L, "1.23432e-37" },
3023 { 1.234321234321234e-36L, "1.23432e-36" },
3024 { 1.234321234321234e-35L, "1.23432e-35" },
3025 { 1.234321234321234e-34L, "1.23432e-34" },
3026 { 1.234321234321234e-33L, "1.23432e-33" },
3027 { 1.234321234321234e-32L, "1.23432e-32" },
3028 { 1.234321234321234e-31L, "1.23432e-31" },
3029 { 1.234321234321234e-30L, "1.23432e-30" },
3030 { 1.234321234321234e-29L, "1.23432e-29" },
3031 { 1.234321234321234e-28L, "1.23432e-28" },
3032 { 1.234321234321234e-27L, "1.23432e-27" },
3033 { 1.234321234321234e-26L, "1.23432e-26" },
3034 { 1.234321234321234e-25L, "1.23432e-25" },
3035 { 1.234321234321234e-24L, "1.23432e-24" },
3036 { 1.234321234321234e-23L, "1.23432e-23" },
3037 { 1.234321234321234e-22L, "1.23432e-22" },
3038 { 1.234321234321234e-21L, "1.23432e-21" },
3039 { 1.234321234321234e-20L, "1.23432e-20" },
3040 { 1.234321234321234e-19L, "1.23432e-19" },
3041 { 1.234321234321234e-18L, "1.23432e-18" },
3042 { 1.234321234321234e-17L, "1.23432e-17" },
3043 { 1.234321234321234e-16L, "1.23432e-16" },
3044 { 1.234321234321234e-15L, "1.23432e-15" },
3045 { 1.234321234321234e-14L, "1.23432e-14" },
3046 { 1.234321234321234e-13L, "1.23432e-13" },
3047 { 1.234321234321234e-12L, "1.23432e-12" },
3048 { 1.234321234321234e-11L, "1.23432e-11" },
3049 { 1.234321234321234e-10L, "1.23432e-10" },
3050 { 1.234321234321234e-9L, "1.23432e-09" },
3051 { 1.234321234321234e-8L, "1.23432e-08" },
3052 { 1.234321234321234e-7L, "1.23432e-07" },
3053 { 1.234321234321234e-6L, "1.23432e-06" },
3054 { 1.234321234321234e-5L, "1.23432e-05" },
3055 { 1.234321234321234e-4L, "0.000123432" },
3056 { 1.234321234321234e-3L, "0.00123432" },
3057 { 1.234321234321234e-2L, "0.0123432" },
3058 { 1.234321234321234e-1L, "0.123432" },
3059 { 1.234321234321234L, "1.23432" },
3060 { 1.234321234321234e1L, "12.3432" },
3061 { 1.234321234321234e2L, "123.432" },
3062 { 1.234321234321234e3L, "1234.32" },
3063 { 1.234321234321234e4L, "12343.2" },
3064 { 1.234321234321234e5L, "123432" },
3065 { 1.234321234321234e6L, "1.23432e+06" },
3066 { 1.234321234321234e7L, "1.23432e+07" },
3067 { 1.234321234321234e8L, "1.23432e+08" },
3068 { 1.234321234321234e9L, "1.23432e+09" },
3069 { 1.234321234321234e10L, "1.23432e+10" },
3070 { 1.234321234321234e11L, "1.23432e+11" },
3071 { 1.234321234321234e12L, "1.23432e+12" },
3072 { 1.234321234321234e13L, "1.23432e+13" },
3073 { 1.234321234321234e14L, "1.23432e+14" },
3074 { 1.234321234321234e15L, "1.23432e+15" },
3075 { 1.234321234321234e16L, "1.23432e+16" },
3076 { 1.234321234321234e17L, "1.23432e+17" },
3077 { 1.234321234321234e18L, "1.23432e+18" },
3078 { 1.234321234321234e19L, "1.23432e+19" },
3079 { 1.234321234321234e20L, "1.23432e+20" },
3080 { 1.234321234321234e21L, "1.23432e+21" },
3081 { 1.234321234321234e22L, "1.23432e+22" },
3082 { 1.234321234321234e23L, "1.23432e+23" },
3083 { 1.234321234321234e24L, "1.23432e+24" },
3084 { 1.234321234321234e25L, "1.23432e+25" },
3085 { 1.234321234321234e26L, "1.23432e+26" },
3086 { 1.234321234321234e27L, "1.23432e+27" },
3087 { 1.234321234321234e28L, "1.23432e+28" },
3088 { 1.234321234321234e29L, "1.23432e+29" },
3089 { 1.234321234321234e30L, "1.23432e+30" },
3090 { 1.234321234321234e31L, "1.23432e+31" },
3091 { 1.234321234321234e32L, "1.23432e+32" },
3092 { 1.234321234321234e33L, "1.23432e+33" },
3093 { 1.234321234321234e34L, "1.23432e+34" },
3094 { 1.234321234321234e35L, "1.23432e+35" },
3095 { 1.234321234321234e36L, "1.23432e+36" }
3098 for (k = 0; k < SIZEOF (data); k++)
3102 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3103 const char *expected = data[k].string;
3104 ASSERT (result != NULL);
3105 ASSERT (strcmp (result, expected) == 0
3106 /* Some implementations produce exponents with 3 digits. */
3107 || (expected[strlen (expected) - 4] == 'e'
3108 && strlen (result) == strlen (expected) + 1
3109 && memcmp (result, expected, strlen (expected) - 2) == 0
3110 && result[strlen (expected) - 2] == '0'
3111 && strcmp (result + strlen (expected) - 1,
3112 expected + strlen (expected) - 2)
3114 ASSERT (length == strlen (result));
3119 { /* A negative number. */
3122 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3123 ASSERT (result != NULL);
3124 ASSERT (strcmp (result, "-0.03125 33") == 0);
3125 ASSERT (length == strlen (result));
3129 { /* Positive zero. */
3132 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3133 ASSERT (result != NULL);
3134 ASSERT (strcmp (result, "0 33") == 0);
3135 ASSERT (length == strlen (result));
3139 { /* Negative zero. */
3142 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3143 ASSERT (result != NULL);
3144 if (have_minus_zero ())
3145 ASSERT (strcmp (result, "-0 33") == 0);
3146 ASSERT (length == strlen (result));
3150 { /* Positive infinity. */
3153 my_asnprintf (NULL, &length, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3154 ASSERT (result != NULL);
3155 ASSERT (strcmp (result, "inf 33") == 0
3156 || strcmp (result, "infinity 33") == 0);
3157 ASSERT (length == strlen (result));
3161 { /* Negative infinity. */
3164 my_asnprintf (NULL, &length, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3165 ASSERT (result != NULL);
3166 ASSERT (strcmp (result, "-inf 33") == 0
3167 || strcmp (result, "-infinity 33") == 0);
3168 ASSERT (length == strlen (result));
3175 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3176 ASSERT (result != NULL);
3177 ASSERT (strlen (result) >= 3 + 3
3178 && strisnan (result, 0, strlen (result) - 3, 0)
3179 && strcmp (result + strlen (result) - 3, " 33") == 0);
3180 ASSERT (length == strlen (result));
3183 #if CHECK_PRINTF_SAFE && ((defined __ia64 && LDBL_MANT_DIG == 64) || (defined __x86_64__ || defined __amd64__) || (defined __i386 || defined __i386__ || defined _I386 || defined _M_IX86 || defined _X86_))
3185 static union { unsigned int word[4]; long double value; } x =
3186 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3189 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3190 ASSERT (result != NULL);
3191 ASSERT (strlen (result) >= 3 + 3
3192 && strisnan (result, 0, strlen (result) - 3, 0)
3193 && strcmp (result + strlen (result) - 3, " 33") == 0);
3194 ASSERT (length == strlen (result));
3198 /* Signalling NaN. */
3199 static union { unsigned int word[4]; long double value; } x =
3200 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3203 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3204 ASSERT (result != NULL);
3205 ASSERT (strlen (result) >= 3 + 3
3206 && strisnan (result, 0, strlen (result) - 3, 0)
3207 && strcmp (result + strlen (result) - 3, " 33") == 0);
3208 ASSERT (length == strlen (result));
3211 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3212 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3213 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3214 Application Architecture.
3215 Table 5-2 "Floating-Point Register Encodings"
3216 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3219 static union { unsigned int word[4]; long double value; } x =
3220 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3223 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3224 ASSERT (result != NULL);
3225 ASSERT (strlen (result) >= 3 + 3
3226 && strisnan (result, 0, strlen (result) - 3, 0)
3227 && strcmp (result + strlen (result) - 3, " 33") == 0);
3228 ASSERT (length == strlen (result));
3231 { /* Pseudo-Infinity. */
3232 static union { unsigned int word[4]; long double value; } x =
3233 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3236 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3237 ASSERT (result != NULL);
3238 ASSERT (strlen (result) >= 3 + 3
3239 && strisnan (result, 0, strlen (result) - 3, 0)
3240 && strcmp (result + strlen (result) - 3, " 33") == 0);
3241 ASSERT (length == strlen (result));
3244 { /* Pseudo-Zero. */
3245 static union { unsigned int word[4]; long double value; } x =
3246 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3249 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3250 ASSERT (result != NULL);
3251 ASSERT (strlen (result) >= 3 + 3
3252 && strisnan (result, 0, strlen (result) - 3, 0)
3253 && strcmp (result + strlen (result) - 3, " 33") == 0);
3254 ASSERT (length == strlen (result));
3257 { /* Unnormalized number. */
3258 static union { unsigned int word[4]; long double value; } x =
3259 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3262 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3263 ASSERT (result != NULL);
3264 ASSERT (strlen (result) >= 3 + 3
3265 && strisnan (result, 0, strlen (result) - 3, 0)
3266 && strcmp (result + strlen (result) - 3, " 33") == 0);
3267 ASSERT (length == strlen (result));
3270 { /* Pseudo-Denormal. */
3271 static union { unsigned int word[4]; long double value; } x =
3272 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3275 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3276 ASSERT (result != NULL);
3277 ASSERT (strlen (result) >= 3 + 3
3278 && strisnan (result, 0, strlen (result) - 3, 0)
3279 && strcmp (result + strlen (result) - 3, " 33") == 0);
3280 ASSERT (length == strlen (result));
3288 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3289 ASSERT (result != NULL);
3290 ASSERT (strcmp (result, " 1.75 33") == 0);
3291 ASSERT (length == strlen (result));
3298 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3299 ASSERT (result != NULL);
3300 ASSERT (strcmp (result, "1.75 33") == 0);
3301 ASSERT (length == strlen (result));
3305 { /* FLAG_SHOWSIGN. */
3308 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3309 ASSERT (result != NULL);
3310 ASSERT (strcmp (result, "+1.75 33") == 0);
3311 ASSERT (length == strlen (result));
3318 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3319 ASSERT (result != NULL);
3320 ASSERT (strcmp (result, " 1.75 33") == 0);
3321 ASSERT (length == strlen (result));
3328 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3329 ASSERT (result != NULL);
3330 ASSERT (strcmp (result, "1.75000 33") == 0);
3331 ASSERT (length == strlen (result));
3338 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3339 ASSERT (result != NULL);
3340 ASSERT (strcmp (result, "2. 33") == 0);
3341 ASSERT (length == strlen (result));
3348 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3349 ASSERT (result != NULL);
3350 ASSERT (strcmp (result, "1.e+01 33") == 0
3351 || strcmp (result, "1.e+001 33") == 0);
3352 ASSERT (length == strlen (result));
3356 { /* FLAG_ZERO with finite number. */
3359 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3360 ASSERT (result != NULL);
3361 ASSERT (strcmp (result, "0000001234 33") == 0);
3362 ASSERT (length == strlen (result));
3366 { /* FLAG_ZERO with infinite number. */
3369 my_asnprintf (NULL, &length, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3370 ASSERT (result != NULL);
3371 ASSERT (strcmp (result, " -inf 33") == 0
3372 || strcmp (result, " -infinity 33") == 0);
3373 ASSERT (length == strlen (result));
3377 { /* FLAG_ZERO with NaN. */
3380 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3381 ASSERT (result != NULL);
3382 ASSERT (strlen (result) == 50 + 3
3383 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3384 && strcmp (result + strlen (result) - 3, " 33") == 0);
3385 ASSERT (length == strlen (result));
3392 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3393 ASSERT (result != NULL);
3394 ASSERT (strcmp (result, "1e+03 33") == 0
3395 || strcmp (result, "1e+003 33") == 0);
3396 ASSERT (length == strlen (result));
3400 { /* Precision with no rounding. */
3403 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3404 ASSERT (result != NULL);
3405 ASSERT (strcmp (result, "999.95 33") == 0);
3406 ASSERT (length == strlen (result));
3410 { /* Precision with rounding. */
3413 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3414 ASSERT (result != NULL);
3415 ASSERT (strcmp (result, "1000 33") == 0);
3416 ASSERT (length == strlen (result));
3420 /* Test the support of the %n format directive. */
3426 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3427 ASSERT (result != NULL);
3428 ASSERT (strcmp (result, "123 ") == 0);
3429 ASSERT (length == strlen (result));
3430 ASSERT (count == 4);
3434 /* Test the support of the POSIX/XSI format strings with positions. */
3439 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3440 ASSERT (result != NULL);
3441 ASSERT (strcmp (result, "55 33") == 0);
3442 ASSERT (length == strlen (result));
3446 /* Test the support of the grouping flag. */
3451 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3452 ASSERT (result != NULL);
3453 ASSERT (result[strlen (result) - 1] == '9');
3454 ASSERT (length == strlen (result));
3458 /* Test the support of the left-adjust flag. */
3463 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3464 ASSERT (result != NULL);
3465 ASSERT (strcmp (result, "ab c") == 0);
3466 ASSERT (length == strlen (result));
3473 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3474 ASSERT (result != NULL);
3475 ASSERT (strcmp (result, "ab c") == 0);
3476 ASSERT (length == strlen (result));
3483 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3484 ASSERT (result != NULL);
3485 ASSERT (strcmp (result, "ab c") == 0);
3486 ASSERT (length == strlen (result));
3490 /* Test the support of large precision. */
3495 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3497 ASSERT (result != NULL);
3498 for (i = 0; i < 4000 - 7; i++)
3499 ASSERT (result[i] == '0');
3500 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3501 ASSERT (length == strlen (result));
3508 my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
3510 ASSERT (result != NULL);
3511 for (i = 0; i < 4000 - 7; i++)
3512 ASSERT (result[i] == '0');
3513 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3514 ASSERT (length == strlen (result));
3521 my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
3523 ASSERT (result != NULL);
3524 ASSERT (result[0] == '-');
3525 for (i = 0; i < 4000 - 7; i++)
3526 ASSERT (result[1 + i] == '0');
3527 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3528 ASSERT (length == strlen (result));
3535 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3537 ASSERT (result != NULL);
3538 for (i = 0; i < 4000 - 7; i++)
3539 ASSERT (result[i] == '0');
3540 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3541 ASSERT (length == strlen (result));
3548 my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99);
3550 ASSERT (result != NULL);
3551 for (i = 0; i < 4000 - 7; i++)
3552 ASSERT (result[i] == '0');
3553 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3554 ASSERT (length == strlen (result));
3561 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3563 ASSERT (result != NULL);
3564 for (i = 0; i < 4000 - 6; i++)
3565 ASSERT (result[i] == '0');
3566 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3567 ASSERT (length == strlen (result));
3574 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3576 ASSERT (result != NULL);
3577 ASSERT (result[0] == '0');
3578 ASSERT (result[1] == 'x');
3579 for (i = 0; i < 4000 - 6; i++)
3580 ASSERT (result[2 + i] == '0');
3581 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3582 ASSERT (length == strlen (result));
3592 for (i = 0; i < sizeof (input) - 1; i++)
3593 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3595 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3596 ASSERT (result != NULL);
3597 ASSERT (memcmp (result, input, 4000) == 0);
3598 ASSERT (strcmp (result + 4000, " 99") == 0);
3599 ASSERT (length == strlen (result));
3603 /* Test the support of the %s format directive. */
3605 /* To verify that these tests succeed, it is necessary to run them under
3606 a tool that checks against invalid memory accesses, such as ElectricFence
3607 or "valgrind --tool=memcheck". */
3611 for (i = 1; i <= 8; i++)
3617 block = (char *) malloc (i);
3618 memcpy (block, "abcdefgh", i);
3619 result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
3620 ASSERT (result != NULL);
3621 ASSERT (memcmp (result, block, i) == 0);
3622 ASSERT (result[i] == '\0');
3623 ASSERT (length == strlen (result));
3632 for (i = 1; i <= 8; i++)
3639 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3640 for (j = 0; j < i; j++)
3641 block[j] = "abcdefgh"[j];
3642 result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
3643 ASSERT (result != NULL);
3644 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3645 ASSERT (result[i] == '\0');
3646 ASSERT (length == strlen (result));
3655 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3660 va_start (args, format);
3661 ret = vasnprintf (resultbuf, lengthp, format, args);
3669 test_function (my_asnprintf);
3675 test_function (asnprintf);
3679 main (int argc, char *argv[])