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 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
37 static double plus_zero = 0.0;
38 double minus_zero = - plus_zero;
39 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
42 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
43 So we use -zerod instead. */
46 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
47 So we use minus_zerol instead.
48 IRIX cc can't put -0.0L into .data, but can compute at runtime.
49 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
50 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
51 #if defined __hpux || defined __sgi
53 compute_minus_zerol (void)
55 return -LDBL_MIN * LDBL_MIN;
57 # define minus_zerol compute_minus_zerol ()
59 long double minus_zerol = -0.0L;
62 /* Representation of an 80-bit 'long double' as an initializer for a sequence
63 of 'unsigned int' words. */
64 #ifdef WORDS_BIGENDIAN
65 # define LDBL80_WORDS(exponent,manthi,mantlo) \
66 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
67 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
68 (unsigned int) (mantlo) << 16 \
71 # define LDBL80_WORDS(exponent,manthi,mantlo) \
72 { mantlo, manthi, exponent }
76 strmatch (const char *pattern, const char *string)
78 if (strlen (pattern) != strlen (string))
80 for (; *pattern != '\0'; pattern++, string++)
81 if (*pattern != '*' && *string != *pattern)
86 /* Test whether string[start_index..end_index-1] is a valid textual
87 representation of NaN. */
89 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
91 if (start_index < end_index)
93 if (string[start_index] == '-')
95 if (start_index + 3 <= end_index
96 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
99 if (start_index == end_index
100 || (string[start_index] == '(' && string[end_index - 1] == ')'))
108 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
113 /* Test return value convention. */
115 for (size = 0; size <= 8; size++)
117 size_t length = size;
118 char *result = my_asnprintf (NULL, &length, "%d", 12345);
119 ASSERT (result != NULL);
120 ASSERT (strcmp (result, "12345") == 0);
121 ASSERT (length == 5);
125 for (size = 0; size <= 8; size++)
130 memcpy (buf, "DEADBEEF", 8);
132 result = my_asnprintf (buf, &length, "%d", 12345);
133 ASSERT (result != NULL);
134 ASSERT (strcmp (result, "12345") == 0);
135 ASSERT (length == 5);
137 ASSERT (result != buf);
138 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
143 /* Test support of size specifiers as in C99. */
148 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
149 ASSERT (result != NULL);
150 ASSERT (strcmp (result, "12345671 33") == 0);
151 ASSERT (length == strlen (result));
158 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
159 ASSERT (result != NULL);
160 ASSERT (strcmp (result, "12345672 33") == 0);
161 ASSERT (length == strlen (result));
168 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
169 ASSERT (result != NULL);
170 ASSERT (strcmp (result, "12345673 33") == 0);
171 ASSERT (length == strlen (result));
178 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
179 ASSERT (result != NULL);
180 ASSERT (strcmp (result, "1.5 33") == 0);
181 ASSERT (length == strlen (result));
185 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
186 output of floating-point numbers. */
188 { /* A positive number. */
191 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
192 ASSERT (result != NULL);
193 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
194 || strcmp (result, "0x3.244p+0 33") == 0
195 || strcmp (result, "0x6.488p-1 33") == 0
196 || strcmp (result, "0xc.91p-2 33") == 0);
197 ASSERT (length == strlen (result));
201 { /* A negative 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 { /* Positive zero. */
217 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
218 ASSERT (result != NULL);
219 ASSERT (strcmp (result, "0x0p+0 33") == 0);
220 ASSERT (length == strlen (result));
224 { /* Negative zero. */
227 my_asnprintf (NULL, &length, "%a %d", -zerod, 33, 44, 55);
228 ASSERT (result != NULL);
229 if (have_minus_zero ())
230 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
231 ASSERT (length == strlen (result));
235 { /* Positive infinity. */
238 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
239 ASSERT (result != NULL);
240 ASSERT (strcmp (result, "inf 33") == 0);
241 ASSERT (length == strlen (result));
245 { /* Negative infinity. */
248 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
249 ASSERT (result != NULL);
250 ASSERT (strcmp (result, "-inf 33") == 0);
251 ASSERT (length == strlen (result));
258 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
259 ASSERT (result != NULL);
260 ASSERT (strlen (result) >= 3 + 3
261 && strisnan (result, 0, strlen (result) - 3, 0)
262 && strcmp (result + strlen (result) - 3, " 33") == 0);
263 ASSERT (length == strlen (result));
267 { /* Rounding near the decimal point. */
270 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
271 ASSERT (result != NULL);
272 ASSERT (strcmp (result, "0x2p+0 33") == 0
273 || strcmp (result, "0x3p-1 33") == 0
274 || strcmp (result, "0x6p-2 33") == 0
275 || strcmp (result, "0xcp-3 33") == 0);
276 ASSERT (length == strlen (result));
280 { /* Rounding with precision 0. */
283 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 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 1. */
296 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
297 ASSERT (result != NULL);
298 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
299 || strcmp (result, "0x3.0p-1 33") == 0
300 || strcmp (result, "0x6.1p-2 33") == 0
301 || strcmp (result, "0xc.1p-3 33") == 0);
302 ASSERT (length == strlen (result));
306 { /* Rounding with precision 2. */
309 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
310 ASSERT (result != NULL);
311 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
312 || strcmp (result, "0x3.05p-1 33") == 0
313 || strcmp (result, "0x6.0ap-2 33") == 0
314 || strcmp (result, "0xc.14p-3 33") == 0);
315 ASSERT (length == strlen (result));
319 { /* Rounding with precision 3. */
322 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
323 ASSERT (result != NULL);
324 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
325 || strcmp (result, "0x3.052p-1 33") == 0
326 || strcmp (result, "0x6.0a4p-2 33") == 0
327 || strcmp (result, "0xc.148p-3 33") == 0);
328 ASSERT (length == strlen (result));
332 { /* Rounding can turn a ...FFF into a ...000. */
335 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
336 ASSERT (result != NULL);
337 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
338 || strcmp (result, "0x3.000p-1 33") == 0
339 || strcmp (result, "0x6.000p-2 33") == 0
340 || strcmp (result, "0xc.000p-3 33") == 0);
341 ASSERT (length == strlen (result));
345 { /* Rounding can turn a ...FFF into a ...000.
346 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
349 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
350 ASSERT (result != NULL);
351 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
352 || strcmp (result, "0x2.0p+0 33") == 0
353 || strcmp (result, "0x4.0p-1 33") == 0
354 || strcmp (result, "0x8.0p-2 33") == 0);
355 ASSERT (length == strlen (result));
362 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
363 ASSERT (result != NULL);
364 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
365 || strcmp (result, " 0x3.8p-1 33") == 0
366 || strcmp (result, " 0x7p-2 33") == 0
367 || strcmp (result, " 0xep-3 33") == 0);
368 ASSERT (length == strlen (result));
372 { /* Small precision. */
375 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
376 ASSERT (result != NULL);
377 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
378 || strcmp (result, "0x3.8000000000p-1 33") == 0
379 || strcmp (result, "0x7.0000000000p-2 33") == 0
380 || strcmp (result, "0xe.0000000000p-3 33") == 0);
381 ASSERT (length == strlen (result));
385 { /* Large precision. */
388 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
389 ASSERT (result != NULL);
390 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
391 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
392 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
393 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
394 ASSERT (length == strlen (result));
401 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
402 ASSERT (result != NULL);
403 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
404 || strcmp (result, "0x3.8p-1 33") == 0
405 || strcmp (result, "0x7p-2 33") == 0
406 || strcmp (result, "0xep-3 33") == 0);
407 ASSERT (length == strlen (result));
411 { /* FLAG_SHOWSIGN. */
414 my_asnprintf (NULL, &length, "%+a %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));
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, "0x7.p-2 33") == 0
445 || strcmp (result, "0xe.p-3 33") == 0);
446 ASSERT (length == strlen (result));
453 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
454 ASSERT (result != NULL);
455 ASSERT (strcmp (result, "0x1.p+0 33") == 0
456 || strcmp (result, "0x2.p-1 33") == 0
457 || strcmp (result, "0x4.p-2 33") == 0
458 || strcmp (result, "0x8.p-3 33") == 0);
459 ASSERT (length == strlen (result));
463 { /* FLAG_ZERO with finite number. */
466 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
467 ASSERT (result != NULL);
468 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
469 || strcmp (result, "0x003.8p-1 33") == 0
470 || strcmp (result, "0x00007p-2 33") == 0
471 || strcmp (result, "0x0000ep-3 33") == 0);
472 ASSERT (length == strlen (result));
476 { /* FLAG_ZERO with infinite number. */
479 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
480 ASSERT (result != NULL);
481 /* "0000000inf 33" is not a valid result; see
482 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
483 ASSERT (strcmp (result, " inf 33") == 0);
484 ASSERT (length == strlen (result));
488 { /* FLAG_ZERO with NaN. */
491 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
492 ASSERT (result != NULL);
493 /* "0000000nan 33" is not a valid result; see
494 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
495 ASSERT (strlen (result) == 50 + 3
496 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
497 && strcmp (result + strlen (result) - 3, " 33") == 0);
498 ASSERT (length == strlen (result));
502 { /* A positive number. */
505 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
506 ASSERT (result != NULL);
507 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
508 || strcmp (result, "0x3.244p+0 33") == 0
509 || strcmp (result, "0x6.488p-1 33") == 0
510 || strcmp (result, "0xc.91p-2 33") == 0);
511 ASSERT (length == strlen (result));
515 { /* A negative 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 { /* Positive zero. */
531 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
532 ASSERT (result != NULL);
533 ASSERT (strcmp (result, "0x0p+0 33") == 0);
534 ASSERT (length == strlen (result));
538 { /* Negative zero. */
541 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
542 ASSERT (result != NULL);
543 if (have_minus_zero ())
544 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
545 ASSERT (length == strlen (result));
549 { /* Positive infinity. */
552 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
553 ASSERT (result != NULL);
554 ASSERT (strcmp (result, "inf 33") == 0);
555 ASSERT (length == strlen (result));
559 { /* Negative infinity. */
562 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
563 ASSERT (result != NULL);
564 ASSERT (strcmp (result, "-inf 33") == 0);
565 ASSERT (length == strlen (result));
572 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
573 ASSERT (result != NULL);
574 ASSERT (strlen (result) >= 3 + 3
575 && strisnan (result, 0, strlen (result) - 3, 0)
576 && strcmp (result + strlen (result) - 3, " 33") == 0);
577 ASSERT (length == strlen (result));
580 #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_))
582 static union { unsigned int word[4]; long double value; } x =
583 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
586 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
587 ASSERT (result != NULL);
588 ASSERT (strlen (result) >= 3 + 3
589 && strisnan (result, 0, strlen (result) - 3, 0)
590 && strcmp (result + strlen (result) - 3, " 33") == 0);
591 ASSERT (length == strlen (result));
595 /* Signalling NaN. */
596 static union { unsigned int word[4]; long double value; } x =
597 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
600 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
601 ASSERT (result != NULL);
602 ASSERT (strlen (result) >= 3 + 3
603 && strisnan (result, 0, strlen (result) - 3, 0)
604 && strcmp (result + strlen (result) - 3, " 33") == 0);
605 ASSERT (length == strlen (result));
608 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
609 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
610 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
611 Application Architecture.
612 Table 5-2 "Floating-Point Register Encodings"
613 Figure 5-6 "Memory to Floating-Point Register Data Translation"
616 static union { unsigned int word[4]; long double value; } x =
617 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
620 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
621 ASSERT (result != NULL);
622 ASSERT (strlen (result) >= 3 + 3
623 && strisnan (result, 0, strlen (result) - 3, 0)
624 && strcmp (result + strlen (result) - 3, " 33") == 0);
625 ASSERT (length == strlen (result));
628 { /* Pseudo-Infinity. */
629 static union { unsigned int word[4]; long double value; } x =
630 { LDBL80_WORDS (0xFFFF, 0x00000000, 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));
642 static union { unsigned int word[4]; long double value; } x =
643 { LDBL80_WORDS (0x4004, 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));
654 { /* Unnormalized number. */
655 static union { unsigned int word[4]; long double value; } x =
656 { LDBL80_WORDS (0x4000, 0x63333333, 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 { /* Pseudo-Denormal. */
668 static union { unsigned int word[4]; long double value; } x =
669 { LDBL80_WORDS (0x0000, 0x83333333, 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));
682 { /* Rounding near the decimal point. */
685 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
686 ASSERT (result != NULL);
687 ASSERT (strcmp (result, "0x2p+0 33") == 0
688 || strcmp (result, "0x3p-1 33") == 0
689 || strcmp (result, "0x6p-2 33") == 0
690 || strcmp (result, "0xcp-3 33") == 0);
691 ASSERT (length == strlen (result));
695 { /* Rounding with precision 0. */
698 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 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 1. */
711 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
712 ASSERT (result != NULL);
713 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
714 || strcmp (result, "0x3.0p-1 33") == 0
715 || strcmp (result, "0x6.1p-2 33") == 0
716 || strcmp (result, "0xc.1p-3 33") == 0);
717 ASSERT (length == strlen (result));
721 { /* Rounding with precision 2. */
724 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
725 ASSERT (result != NULL);
726 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
727 || strcmp (result, "0x3.05p-1 33") == 0
728 || strcmp (result, "0x6.0ap-2 33") == 0
729 || strcmp (result, "0xc.14p-3 33") == 0);
730 ASSERT (length == strlen (result));
734 { /* Rounding with precision 3. */
737 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
738 ASSERT (result != NULL);
739 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
740 || strcmp (result, "0x3.052p-1 33") == 0
741 || strcmp (result, "0x6.0a4p-2 33") == 0
742 || strcmp (result, "0xc.148p-3 33") == 0);
743 ASSERT (length == strlen (result));
747 { /* Rounding can turn a ...FFF into a ...000. */
750 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
751 ASSERT (result != NULL);
752 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
753 || strcmp (result, "0x3.000p-1 33") == 0
754 || strcmp (result, "0x6.000p-2 33") == 0
755 || strcmp (result, "0xc.000p-3 33") == 0);
756 ASSERT (length == strlen (result));
760 { /* Rounding can turn a ...FFF into a ...000.
761 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
762 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
765 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
766 ASSERT (result != NULL);
767 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
768 || strcmp (result, "0x2.0p+0 33") == 0
769 || strcmp (result, "0x4.0p-1 33") == 0
770 || strcmp (result, "0x8.0p-2 33") == 0);
771 ASSERT (length == strlen (result));
778 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
779 ASSERT (result != NULL);
780 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
781 || strcmp (result, " 0x3.8p-1 33") == 0
782 || strcmp (result, " 0x7p-2 33") == 0
783 || strcmp (result, " 0xep-3 33") == 0);
784 ASSERT (length == strlen (result));
788 { /* Small precision. */
791 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
792 ASSERT (result != NULL);
793 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
794 || strcmp (result, "0x3.8000000000p-1 33") == 0
795 || strcmp (result, "0x7.0000000000p-2 33") == 0
796 || strcmp (result, "0xe.0000000000p-3 33") == 0);
797 ASSERT (length == strlen (result));
801 { /* Large precision. */
804 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
805 ASSERT (result != NULL);
806 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
807 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
808 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
809 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
810 ASSERT (length == strlen (result));
817 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
818 ASSERT (result != NULL);
819 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
820 || strcmp (result, "0x3.8p-1 33") == 0
821 || strcmp (result, "0x7p-2 33") == 0
822 || strcmp (result, "0xep-3 33") == 0);
823 ASSERT (length == strlen (result));
827 { /* FLAG_SHOWSIGN. */
830 my_asnprintf (NULL, &length, "%+La %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));
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, "0x7.p-2 33") == 0
861 || strcmp (result, "0xe.p-3 33") == 0);
862 ASSERT (length == strlen (result));
869 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
870 ASSERT (result != NULL);
871 ASSERT (strcmp (result, "0x1.p+0 33") == 0
872 || strcmp (result, "0x2.p-1 33") == 0
873 || strcmp (result, "0x4.p-2 33") == 0
874 || strcmp (result, "0x8.p-3 33") == 0);
875 ASSERT (length == strlen (result));
879 { /* FLAG_ZERO with finite number. */
882 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
883 ASSERT (result != NULL);
884 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
885 || strcmp (result, "0x003.8p-1 33") == 0
886 || strcmp (result, "0x00007p-2 33") == 0
887 || strcmp (result, "0x0000ep-3 33") == 0);
888 ASSERT (length == strlen (result));
892 { /* FLAG_ZERO with infinite number. */
895 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
896 ASSERT (result != NULL);
897 /* "0000000inf 33" is not a valid result; see
898 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
899 ASSERT (strcmp (result, " inf 33") == 0);
900 ASSERT (length == strlen (result));
904 { /* FLAG_ZERO with NaN. */
907 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
908 ASSERT (result != NULL);
909 /* "0000000nan 33" is not a valid result; see
910 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
911 ASSERT (strlen (result) == 50 + 3
912 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
913 && strcmp (result + strlen (result) - 3, " 33") == 0);
914 ASSERT (length == strlen (result));
918 /* Test the support of the %f format directive. */
920 { /* A positive number. */
923 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
924 ASSERT (result != NULL);
925 ASSERT (strcmp (result, "12.750000 33") == 0);
926 ASSERT (length == strlen (result));
930 { /* A larger positive number. */
933 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
934 ASSERT (result != NULL);
935 ASSERT (strcmp (result, "1234567.000000 33") == 0);
936 ASSERT (length == strlen (result));
940 { /* Small and large positive numbers. */
941 static struct { double value; const char *string; } data[] =
943 { 1.234321234321234e-37, "0.000000" },
944 { 1.234321234321234e-36, "0.000000" },
945 { 1.234321234321234e-35, "0.000000" },
946 { 1.234321234321234e-34, "0.000000" },
947 { 1.234321234321234e-33, "0.000000" },
948 { 1.234321234321234e-32, "0.000000" },
949 { 1.234321234321234e-31, "0.000000" },
950 { 1.234321234321234e-30, "0.000000" },
951 { 1.234321234321234e-29, "0.000000" },
952 { 1.234321234321234e-28, "0.000000" },
953 { 1.234321234321234e-27, "0.000000" },
954 { 1.234321234321234e-26, "0.000000" },
955 { 1.234321234321234e-25, "0.000000" },
956 { 1.234321234321234e-24, "0.000000" },
957 { 1.234321234321234e-23, "0.000000" },
958 { 1.234321234321234e-22, "0.000000" },
959 { 1.234321234321234e-21, "0.000000" },
960 { 1.234321234321234e-20, "0.000000" },
961 { 1.234321234321234e-19, "0.000000" },
962 { 1.234321234321234e-18, "0.000000" },
963 { 1.234321234321234e-17, "0.000000" },
964 { 1.234321234321234e-16, "0.000000" },
965 { 1.234321234321234e-15, "0.000000" },
966 { 1.234321234321234e-14, "0.000000" },
967 { 1.234321234321234e-13, "0.000000" },
968 { 1.234321234321234e-12, "0.000000" },
969 { 1.234321234321234e-11, "0.000000" },
970 { 1.234321234321234e-10, "0.000000" },
971 { 1.234321234321234e-9, "0.000000" },
972 { 1.234321234321234e-8, "0.000000" },
973 { 1.234321234321234e-7, "0.000000" },
974 { 1.234321234321234e-6, "0.000001" },
975 { 1.234321234321234e-5, "0.000012" },
976 { 1.234321234321234e-4, "0.000123" },
977 { 1.234321234321234e-3, "0.001234" },
978 { 1.234321234321234e-2, "0.012343" },
979 { 1.234321234321234e-1, "0.123432" },
980 { 1.234321234321234, "1.234321" },
981 { 1.234321234321234e1, "12.343212" },
982 { 1.234321234321234e2, "123.432123" },
983 { 1.234321234321234e3, "1234.321234" },
984 { 1.234321234321234e4, "12343.212343" },
985 { 1.234321234321234e5, "123432.123432" },
986 { 1.234321234321234e6, "1234321.234321" },
987 { 1.234321234321234e7, "12343212.343212" },
988 { 1.234321234321234e8, "123432123.432123" },
989 { 1.234321234321234e9, "1234321234.321234" },
990 { 1.234321234321234e10, "12343212343.2123**" },
991 { 1.234321234321234e11, "123432123432.123***" },
992 { 1.234321234321234e12, "1234321234321.23****" },
993 { 1.234321234321234e13, "12343212343212.3*****" },
994 { 1.234321234321234e14, "123432123432123.******" },
995 { 1.234321234321234e15, "1234321234321234.000000" },
996 { 1.234321234321234e16, "123432123432123**.000000" },
997 { 1.234321234321234e17, "123432123432123***.000000" },
998 { 1.234321234321234e18, "123432123432123****.000000" },
999 { 1.234321234321234e19, "123432123432123*****.000000" },
1000 { 1.234321234321234e20, "123432123432123******.000000" },
1001 { 1.234321234321234e21, "123432123432123*******.000000" },
1002 { 1.234321234321234e22, "123432123432123********.000000" },
1003 { 1.234321234321234e23, "123432123432123*********.000000" },
1004 { 1.234321234321234e24, "123432123432123**********.000000" },
1005 { 1.234321234321234e25, "123432123432123***********.000000" },
1006 { 1.234321234321234e26, "123432123432123************.000000" },
1007 { 1.234321234321234e27, "123432123432123*************.000000" },
1008 { 1.234321234321234e28, "123432123432123**************.000000" },
1009 { 1.234321234321234e29, "123432123432123***************.000000" },
1010 { 1.234321234321234e30, "123432123432123****************.000000" },
1011 { 1.234321234321234e31, "123432123432123*****************.000000" },
1012 { 1.234321234321234e32, "123432123432123******************.000000" },
1013 { 1.234321234321234e33, "123432123432123*******************.000000" },
1014 { 1.234321234321234e34, "123432123432123********************.000000" },
1015 { 1.234321234321234e35, "123432123432123*********************.000000" },
1016 { 1.234321234321234e36, "123432123432123**********************.000000" }
1019 for (k = 0; k < SIZEOF (data); k++)
1023 my_asnprintf (NULL, &length, "%f", data[k].value);
1024 ASSERT (result != NULL);
1025 ASSERT (strmatch (data[k].string, result));
1026 ASSERT (length == strlen (result));
1031 { /* A negative number. */
1034 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1035 ASSERT (result != NULL);
1036 ASSERT (strcmp (result, "-0.031250 33") == 0);
1037 ASSERT (length == strlen (result));
1041 { /* Positive zero. */
1044 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1045 ASSERT (result != NULL);
1046 ASSERT (strcmp (result, "0.000000 33") == 0);
1047 ASSERT (length == strlen (result));
1051 { /* Negative zero. */
1054 my_asnprintf (NULL, &length, "%f %d", -zerod, 33, 44, 55);
1055 ASSERT (result != NULL);
1056 if (have_minus_zero ())
1057 ASSERT (strcmp (result, "-0.000000 33") == 0);
1058 ASSERT (length == strlen (result));
1062 { /* Positive infinity. */
1065 my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55);
1066 ASSERT (result != NULL);
1067 ASSERT (strcmp (result, "inf 33") == 0
1068 || strcmp (result, "infinity 33") == 0);
1069 ASSERT (length == strlen (result));
1073 { /* Negative infinity. */
1076 my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55);
1077 ASSERT (result != NULL);
1078 ASSERT (strcmp (result, "-inf 33") == 0
1079 || strcmp (result, "-infinity 33") == 0);
1080 ASSERT (length == strlen (result));
1087 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1088 ASSERT (result != NULL);
1089 ASSERT (strlen (result) >= 3 + 3
1090 && strisnan (result, 0, strlen (result) - 3, 0)
1091 && strcmp (result + strlen (result) - 3, " 33") == 0);
1092 ASSERT (length == strlen (result));
1099 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1100 ASSERT (result != NULL);
1101 ASSERT (strcmp (result, " 1.750000 33") == 0);
1102 ASSERT (length == strlen (result));
1109 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1110 ASSERT (result != NULL);
1111 ASSERT (strcmp (result, "1.750000 33") == 0);
1112 ASSERT (length == strlen (result));
1116 { /* FLAG_SHOWSIGN. */
1119 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1120 ASSERT (result != NULL);
1121 ASSERT (strcmp (result, "+1.750000 33") == 0);
1122 ASSERT (length == strlen (result));
1129 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1130 ASSERT (result != NULL);
1131 ASSERT (strcmp (result, " 1.750000 33") == 0);
1132 ASSERT (length == strlen (result));
1139 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1140 ASSERT (result != NULL);
1141 ASSERT (strcmp (result, "1.750000 33") == 0);
1142 ASSERT (length == strlen (result));
1149 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1150 ASSERT (result != NULL);
1151 ASSERT (strcmp (result, "2. 33") == 0);
1152 ASSERT (length == strlen (result));
1156 { /* FLAG_ZERO with finite number. */
1159 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1160 ASSERT (result != NULL);
1161 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1162 ASSERT (length == strlen (result));
1166 { /* FLAG_ZERO with infinite number. */
1169 my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1170 ASSERT (result != NULL);
1171 ASSERT (strcmp (result, " -inf 33") == 0
1172 || strcmp (result, " -infinity 33") == 0);
1173 ASSERT (length == strlen (result));
1177 { /* FLAG_ZERO with NaN. */
1180 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1181 ASSERT (result != NULL);
1182 ASSERT (strlen (result) == 50 + 3
1183 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1184 && strcmp (result + strlen (result) - 3, " 33") == 0);
1185 ASSERT (length == strlen (result));
1192 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1193 ASSERT (result != NULL);
1194 ASSERT (strcmp (result, "1234 33") == 0);
1195 ASSERT (length == strlen (result));
1199 { /* Precision with no rounding. */
1202 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1203 ASSERT (result != NULL);
1204 ASSERT (strcmp (result, "999.95 33") == 0);
1205 ASSERT (length == strlen (result));
1209 { /* Precision with rounding. */
1212 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1213 ASSERT (result != NULL);
1214 ASSERT (strcmp (result, "1000.00 33") == 0);
1215 ASSERT (length == strlen (result));
1219 { /* A positive number. */
1222 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1223 ASSERT (result != NULL);
1224 ASSERT (strcmp (result, "12.750000 33") == 0);
1225 ASSERT (length == strlen (result));
1229 { /* A larger positive number. */
1232 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1233 ASSERT (result != NULL);
1234 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1235 ASSERT (length == strlen (result));
1239 { /* Small and large positive numbers. */
1240 static struct { long double value; const char *string; } data[] =
1242 { 1.234321234321234e-37L, "0.000000" },
1243 { 1.234321234321234e-36L, "0.000000" },
1244 { 1.234321234321234e-35L, "0.000000" },
1245 { 1.234321234321234e-34L, "0.000000" },
1246 { 1.234321234321234e-33L, "0.000000" },
1247 { 1.234321234321234e-32L, "0.000000" },
1248 { 1.234321234321234e-31L, "0.000000" },
1249 { 1.234321234321234e-30L, "0.000000" },
1250 { 1.234321234321234e-29L, "0.000000" },
1251 { 1.234321234321234e-28L, "0.000000" },
1252 { 1.234321234321234e-27L, "0.000000" },
1253 { 1.234321234321234e-26L, "0.000000" },
1254 { 1.234321234321234e-25L, "0.000000" },
1255 { 1.234321234321234e-24L, "0.000000" },
1256 { 1.234321234321234e-23L, "0.000000" },
1257 { 1.234321234321234e-22L, "0.000000" },
1258 { 1.234321234321234e-21L, "0.000000" },
1259 { 1.234321234321234e-20L, "0.000000" },
1260 { 1.234321234321234e-19L, "0.000000" },
1261 { 1.234321234321234e-18L, "0.000000" },
1262 { 1.234321234321234e-17L, "0.000000" },
1263 { 1.234321234321234e-16L, "0.000000" },
1264 { 1.234321234321234e-15L, "0.000000" },
1265 { 1.234321234321234e-14L, "0.000000" },
1266 { 1.234321234321234e-13L, "0.000000" },
1267 { 1.234321234321234e-12L, "0.000000" },
1268 { 1.234321234321234e-11L, "0.000000" },
1269 { 1.234321234321234e-10L, "0.000000" },
1270 { 1.234321234321234e-9L, "0.000000" },
1271 { 1.234321234321234e-8L, "0.000000" },
1272 { 1.234321234321234e-7L, "0.000000" },
1273 { 1.234321234321234e-6L, "0.000001" },
1274 { 1.234321234321234e-5L, "0.000012" },
1275 { 1.234321234321234e-4L, "0.000123" },
1276 { 1.234321234321234e-3L, "0.001234" },
1277 { 1.234321234321234e-2L, "0.012343" },
1278 { 1.234321234321234e-1L, "0.123432" },
1279 { 1.234321234321234L, "1.234321" },
1280 { 1.234321234321234e1L, "12.343212" },
1281 { 1.234321234321234e2L, "123.432123" },
1282 { 1.234321234321234e3L, "1234.321234" },
1283 { 1.234321234321234e4L, "12343.212343" },
1284 { 1.234321234321234e5L, "123432.123432" },
1285 { 1.234321234321234e6L, "1234321.234321" },
1286 { 1.234321234321234e7L, "12343212.343212" },
1287 { 1.234321234321234e8L, "123432123.432123" },
1288 { 1.234321234321234e9L, "1234321234.321234" },
1289 { 1.234321234321234e10L, "12343212343.2123**" },
1290 { 1.234321234321234e11L, "123432123432.123***" },
1291 { 1.234321234321234e12L, "1234321234321.23****" },
1292 { 1.234321234321234e13L, "12343212343212.3*****" },
1293 { 1.234321234321234e14L, "123432123432123.******" },
1294 { 1.234321234321234e15L, "1234321234321234.000000" },
1295 { 1.234321234321234e16L, "123432123432123**.000000" },
1296 { 1.234321234321234e17L, "123432123432123***.000000" },
1297 { 1.234321234321234e18L, "123432123432123****.000000" },
1298 { 1.234321234321234e19L, "123432123432123*****.000000" },
1299 { 1.234321234321234e20L, "123432123432123******.000000" },
1300 { 1.234321234321234e21L, "123432123432123*******.000000" },
1301 { 1.234321234321234e22L, "123432123432123********.000000" },
1302 { 1.234321234321234e23L, "123432123432123*********.000000" },
1303 { 1.234321234321234e24L, "123432123432123**********.000000" },
1304 { 1.234321234321234e25L, "123432123432123***********.000000" },
1305 { 1.234321234321234e26L, "123432123432123************.000000" },
1306 { 1.234321234321234e27L, "123432123432123*************.000000" },
1307 { 1.234321234321234e28L, "123432123432123**************.000000" },
1308 { 1.234321234321234e29L, "123432123432123***************.000000" },
1309 { 1.234321234321234e30L, "123432123432123****************.000000" },
1310 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1311 { 1.234321234321234e32L, "123432123432123******************.000000" },
1312 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1313 { 1.234321234321234e34L, "123432123432123********************.000000" },
1314 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1315 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1318 for (k = 0; k < SIZEOF (data); k++)
1322 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1323 ASSERT (result != NULL);
1324 ASSERT (strmatch (data[k].string, result));
1325 ASSERT (length == strlen (result));
1330 { /* A negative number. */
1333 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1334 ASSERT (result != NULL);
1335 ASSERT (strcmp (result, "-0.031250 33") == 0);
1336 ASSERT (length == strlen (result));
1340 { /* Positive zero. */
1343 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1344 ASSERT (result != NULL);
1345 ASSERT (strcmp (result, "0.000000 33") == 0);
1346 ASSERT (length == strlen (result));
1350 { /* Negative zero. */
1353 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1354 ASSERT (result != NULL);
1355 if (have_minus_zero ())
1356 ASSERT (strcmp (result, "-0.000000 33") == 0);
1357 ASSERT (length == strlen (result));
1361 { /* Positive infinity. */
1364 my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1365 ASSERT (result != NULL);
1366 ASSERT (strcmp (result, "inf 33") == 0
1367 || strcmp (result, "infinity 33") == 0);
1368 ASSERT (length == strlen (result));
1372 { /* Negative infinity. */
1375 my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1376 ASSERT (result != NULL);
1377 ASSERT (strcmp (result, "-inf 33") == 0
1378 || strcmp (result, "-infinity 33") == 0);
1379 ASSERT (length == strlen (result));
1386 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1387 ASSERT (result != NULL);
1388 ASSERT (strlen (result) >= 3 + 3
1389 && strisnan (result, 0, strlen (result) - 3, 0)
1390 && strcmp (result + strlen (result) - 3, " 33") == 0);
1391 ASSERT (length == strlen (result));
1394 #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_))
1396 static union { unsigned int word[4]; long double value; } x =
1397 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1400 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1401 ASSERT (result != NULL);
1402 ASSERT (strlen (result) >= 3 + 3
1403 && strisnan (result, 0, strlen (result) - 3, 0)
1404 && strcmp (result + strlen (result) - 3, " 33") == 0);
1405 ASSERT (length == strlen (result));
1409 /* Signalling NaN. */
1410 static union { unsigned int word[4]; long double value; } x =
1411 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1414 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1415 ASSERT (result != NULL);
1416 ASSERT (strlen (result) >= 3 + 3
1417 && strisnan (result, 0, strlen (result) - 3, 0)
1418 && strcmp (result + strlen (result) - 3, " 33") == 0);
1419 ASSERT (length == strlen (result));
1422 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1423 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1424 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1425 Application Architecture.
1426 Table 5-2 "Floating-Point Register Encodings"
1427 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1430 static union { unsigned int word[4]; long double value; } x =
1431 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1434 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1435 ASSERT (result != NULL);
1436 ASSERT (strlen (result) >= 3 + 3
1437 && strisnan (result, 0, strlen (result) - 3, 0)
1438 && strcmp (result + strlen (result) - 3, " 33") == 0);
1439 ASSERT (length == strlen (result));
1442 { /* Pseudo-Infinity. */
1443 static union { unsigned int word[4]; long double value; } x =
1444 { LDBL80_WORDS (0xFFFF, 0x00000000, 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-Zero. */
1456 static union { unsigned int word[4]; long double value; } x =
1457 { LDBL80_WORDS (0x4004, 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 { /* Unnormalized number. */
1469 static union { unsigned int word[4]; long double value; } x =
1470 { LDBL80_WORDS (0x4000, 0x63333333, 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 { /* Pseudo-Denormal. */
1482 static union { unsigned int word[4]; long double value; } x =
1483 { LDBL80_WORDS (0x0000, 0x83333333, 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));
1499 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1500 ASSERT (result != NULL);
1501 ASSERT (strcmp (result, " 1.750000 33") == 0);
1502 ASSERT (length == strlen (result));
1509 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1510 ASSERT (result != NULL);
1511 ASSERT (strcmp (result, "1.750000 33") == 0);
1512 ASSERT (length == strlen (result));
1516 { /* FLAG_SHOWSIGN. */
1519 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1520 ASSERT (result != NULL);
1521 ASSERT (strcmp (result, "+1.750000 33") == 0);
1522 ASSERT (length == strlen (result));
1529 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1530 ASSERT (result != NULL);
1531 ASSERT (strcmp (result, " 1.750000 33") == 0);
1532 ASSERT (length == strlen (result));
1539 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1540 ASSERT (result != NULL);
1541 ASSERT (strcmp (result, "1.750000 33") == 0);
1542 ASSERT (length == strlen (result));
1549 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1550 ASSERT (result != NULL);
1551 ASSERT (strcmp (result, "2. 33") == 0);
1552 ASSERT (length == strlen (result));
1556 { /* FLAG_ZERO with finite number. */
1559 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1560 ASSERT (result != NULL);
1561 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1562 ASSERT (length == strlen (result));
1566 { /* FLAG_ZERO with infinite number. */
1569 my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1570 ASSERT (result != NULL);
1571 ASSERT (strcmp (result, " -inf 33") == 0
1572 || strcmp (result, " -infinity 33") == 0);
1573 ASSERT (length == strlen (result));
1577 { /* FLAG_ZERO with NaN. */
1580 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1581 ASSERT (result != NULL);
1582 ASSERT (strlen (result) == 50 + 3
1583 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1584 && strcmp (result + strlen (result) - 3, " 33") == 0);
1585 ASSERT (length == strlen (result));
1592 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1593 ASSERT (result != NULL);
1594 ASSERT (strcmp (result, "1234 33") == 0);
1595 ASSERT (length == strlen (result));
1599 { /* Precision with no rounding. */
1602 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1603 ASSERT (result != NULL);
1604 ASSERT (strcmp (result, "999.95 33") == 0);
1605 ASSERT (length == strlen (result));
1609 { /* Precision with rounding. */
1612 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1613 ASSERT (result != NULL);
1614 ASSERT (strcmp (result, "1000.00 33") == 0);
1615 ASSERT (length == strlen (result));
1619 /* Test the support of the %F format directive. */
1621 { /* A positive number. */
1624 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1625 ASSERT (result != NULL);
1626 ASSERT (strcmp (result, "12.750000 33") == 0);
1627 ASSERT (length == strlen (result));
1631 { /* A larger positive number. */
1634 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1635 ASSERT (result != NULL);
1636 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1637 ASSERT (length == strlen (result));
1641 { /* A negative number. */
1644 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1645 ASSERT (result != NULL);
1646 ASSERT (strcmp (result, "-0.031250 33") == 0);
1647 ASSERT (length == strlen (result));
1651 { /* Positive zero. */
1654 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1655 ASSERT (result != NULL);
1656 ASSERT (strcmp (result, "0.000000 33") == 0);
1657 ASSERT (length == strlen (result));
1661 { /* Negative zero. */
1664 my_asnprintf (NULL, &length, "%F %d", -zerod, 33, 44, 55);
1665 ASSERT (result != NULL);
1666 if (have_minus_zero ())
1667 ASSERT (strcmp (result, "-0.000000 33") == 0);
1668 ASSERT (length == strlen (result));
1672 { /* Positive infinity. */
1675 my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55);
1676 ASSERT (result != NULL);
1677 ASSERT (strcmp (result, "INF 33") == 0
1678 || strcmp (result, "INFINITY 33") == 0);
1679 ASSERT (length == strlen (result));
1683 { /* Negative infinity. */
1686 my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55);
1687 ASSERT (result != NULL);
1688 ASSERT (strcmp (result, "-INF 33") == 0
1689 || strcmp (result, "-INFINITY 33") == 0);
1690 ASSERT (length == strlen (result));
1697 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1698 ASSERT (result != NULL);
1699 ASSERT (strlen (result) >= 3 + 3
1700 && strisnan (result, 0, strlen (result) - 3, 1)
1701 && strcmp (result + strlen (result) - 3, " 33") == 0);
1702 ASSERT (length == strlen (result));
1709 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1710 ASSERT (result != NULL);
1711 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1712 ASSERT (length == strlen (result));
1716 { /* FLAG_ZERO with infinite number. */
1719 my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1720 ASSERT (result != NULL);
1721 ASSERT (strcmp (result, " -INF 33") == 0
1722 || strcmp (result, " -INFINITY 33") == 0);
1723 ASSERT (length == strlen (result));
1730 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1731 ASSERT (result != NULL);
1732 ASSERT (strcmp (result, "1234 33") == 0);
1733 ASSERT (length == strlen (result));
1737 { /* Precision with no rounding. */
1740 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1741 ASSERT (result != NULL);
1742 ASSERT (strcmp (result, "999.95 33") == 0);
1743 ASSERT (length == strlen (result));
1747 { /* Precision with rounding. */
1750 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1751 ASSERT (result != NULL);
1752 ASSERT (strcmp (result, "1000.00 33") == 0);
1753 ASSERT (length == strlen (result));
1757 { /* A positive number. */
1760 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1761 ASSERT (result != NULL);
1762 ASSERT (strcmp (result, "12.750000 33") == 0);
1763 ASSERT (length == strlen (result));
1767 { /* A larger positive number. */
1770 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1771 ASSERT (result != NULL);
1772 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1773 ASSERT (length == strlen (result));
1777 { /* A negative number. */
1780 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1781 ASSERT (result != NULL);
1782 ASSERT (strcmp (result, "-0.031250 33") == 0);
1783 ASSERT (length == strlen (result));
1787 { /* Positive zero. */
1790 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1791 ASSERT (result != NULL);
1792 ASSERT (strcmp (result, "0.000000 33") == 0);
1793 ASSERT (length == strlen (result));
1797 { /* Negative zero. */
1800 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1801 ASSERT (result != NULL);
1802 if (have_minus_zero ())
1803 ASSERT (strcmp (result, "-0.000000 33") == 0);
1804 ASSERT (length == strlen (result));
1808 { /* Positive infinity. */
1811 my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1812 ASSERT (result != NULL);
1813 ASSERT (strcmp (result, "INF 33") == 0
1814 || strcmp (result, "INFINITY 33") == 0);
1815 ASSERT (length == strlen (result));
1819 { /* Negative infinity. */
1822 my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1823 ASSERT (result != NULL);
1824 ASSERT (strcmp (result, "-INF 33") == 0
1825 || strcmp (result, "-INFINITY 33") == 0);
1826 ASSERT (length == strlen (result));
1833 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1834 ASSERT (result != NULL);
1835 ASSERT (strlen (result) >= 3 + 3
1836 && strisnan (result, 0, strlen (result) - 3, 1)
1837 && strcmp (result + strlen (result) - 3, " 33") == 0);
1838 ASSERT (length == strlen (result));
1845 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1846 ASSERT (result != NULL);
1847 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1848 ASSERT (length == strlen (result));
1852 { /* FLAG_ZERO with infinite number. */
1855 my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1856 ASSERT (result != NULL);
1857 ASSERT (strcmp (result, " -INF 33") == 0
1858 || strcmp (result, " -INFINITY 33") == 0);
1859 ASSERT (length == strlen (result));
1866 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1867 ASSERT (result != NULL);
1868 ASSERT (strcmp (result, "1234 33") == 0);
1869 ASSERT (length == strlen (result));
1873 { /* Precision with no rounding. */
1876 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1877 ASSERT (result != NULL);
1878 ASSERT (strcmp (result, "999.95 33") == 0);
1879 ASSERT (length == strlen (result));
1883 { /* Precision with rounding. */
1886 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1887 ASSERT (result != NULL);
1888 ASSERT (strcmp (result, "1000.00 33") == 0);
1889 ASSERT (length == strlen (result));
1893 /* Test the support of the %e format directive. */
1895 { /* A positive number. */
1898 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1899 ASSERT (result != NULL);
1900 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1901 || strcmp (result, "1.275000e+001 33") == 0);
1902 ASSERT (length == strlen (result));
1906 { /* A larger positive number. */
1909 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1910 ASSERT (result != NULL);
1911 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1912 || strcmp (result, "1.234567e+006 33") == 0);
1913 ASSERT (length == strlen (result));
1917 { /* Small and large positive numbers. */
1918 static struct { double value; const char *string; } data[] =
1920 { 1.234321234321234e-37, "1.234321e-37" },
1921 { 1.234321234321234e-36, "1.234321e-36" },
1922 { 1.234321234321234e-35, "1.234321e-35" },
1923 { 1.234321234321234e-34, "1.234321e-34" },
1924 { 1.234321234321234e-33, "1.234321e-33" },
1925 { 1.234321234321234e-32, "1.234321e-32" },
1926 { 1.234321234321234e-31, "1.234321e-31" },
1927 { 1.234321234321234e-30, "1.234321e-30" },
1928 { 1.234321234321234e-29, "1.234321e-29" },
1929 { 1.234321234321234e-28, "1.234321e-28" },
1930 { 1.234321234321234e-27, "1.234321e-27" },
1931 { 1.234321234321234e-26, "1.234321e-26" },
1932 { 1.234321234321234e-25, "1.234321e-25" },
1933 { 1.234321234321234e-24, "1.234321e-24" },
1934 { 1.234321234321234e-23, "1.234321e-23" },
1935 { 1.234321234321234e-22, "1.234321e-22" },
1936 { 1.234321234321234e-21, "1.234321e-21" },
1937 { 1.234321234321234e-20, "1.234321e-20" },
1938 { 1.234321234321234e-19, "1.234321e-19" },
1939 { 1.234321234321234e-18, "1.234321e-18" },
1940 { 1.234321234321234e-17, "1.234321e-17" },
1941 { 1.234321234321234e-16, "1.234321e-16" },
1942 { 1.234321234321234e-15, "1.234321e-15" },
1943 { 1.234321234321234e-14, "1.234321e-14" },
1944 { 1.234321234321234e-13, "1.234321e-13" },
1945 { 1.234321234321234e-12, "1.234321e-12" },
1946 { 1.234321234321234e-11, "1.234321e-11" },
1947 { 1.234321234321234e-10, "1.234321e-10" },
1948 { 1.234321234321234e-9, "1.234321e-09" },
1949 { 1.234321234321234e-8, "1.234321e-08" },
1950 { 1.234321234321234e-7, "1.234321e-07" },
1951 { 1.234321234321234e-6, "1.234321e-06" },
1952 { 1.234321234321234e-5, "1.234321e-05" },
1953 { 1.234321234321234e-4, "1.234321e-04" },
1954 { 1.234321234321234e-3, "1.234321e-03" },
1955 { 1.234321234321234e-2, "1.234321e-02" },
1956 { 1.234321234321234e-1, "1.234321e-01" },
1957 { 1.234321234321234, "1.234321e+00" },
1958 { 1.234321234321234e1, "1.234321e+01" },
1959 { 1.234321234321234e2, "1.234321e+02" },
1960 { 1.234321234321234e3, "1.234321e+03" },
1961 { 1.234321234321234e4, "1.234321e+04" },
1962 { 1.234321234321234e5, "1.234321e+05" },
1963 { 1.234321234321234e6, "1.234321e+06" },
1964 { 1.234321234321234e7, "1.234321e+07" },
1965 { 1.234321234321234e8, "1.234321e+08" },
1966 { 1.234321234321234e9, "1.234321e+09" },
1967 { 1.234321234321234e10, "1.234321e+10" },
1968 { 1.234321234321234e11, "1.234321e+11" },
1969 { 1.234321234321234e12, "1.234321e+12" },
1970 { 1.234321234321234e13, "1.234321e+13" },
1971 { 1.234321234321234e14, "1.234321e+14" },
1972 { 1.234321234321234e15, "1.234321e+15" },
1973 { 1.234321234321234e16, "1.234321e+16" },
1974 { 1.234321234321234e17, "1.234321e+17" },
1975 { 1.234321234321234e18, "1.234321e+18" },
1976 { 1.234321234321234e19, "1.234321e+19" },
1977 { 1.234321234321234e20, "1.234321e+20" },
1978 { 1.234321234321234e21, "1.234321e+21" },
1979 { 1.234321234321234e22, "1.234321e+22" },
1980 { 1.234321234321234e23, "1.234321e+23" },
1981 { 1.234321234321234e24, "1.234321e+24" },
1982 { 1.234321234321234e25, "1.234321e+25" },
1983 { 1.234321234321234e26, "1.234321e+26" },
1984 { 1.234321234321234e27, "1.234321e+27" },
1985 { 1.234321234321234e28, "1.234321e+28" },
1986 { 1.234321234321234e29, "1.234321e+29" },
1987 { 1.234321234321234e30, "1.234321e+30" },
1988 { 1.234321234321234e31, "1.234321e+31" },
1989 { 1.234321234321234e32, "1.234321e+32" },
1990 { 1.234321234321234e33, "1.234321e+33" },
1991 { 1.234321234321234e34, "1.234321e+34" },
1992 { 1.234321234321234e35, "1.234321e+35" },
1993 { 1.234321234321234e36, "1.234321e+36" }
1996 for (k = 0; k < SIZEOF (data); k++)
2000 my_asnprintf (NULL, &length, "%e", data[k].value);
2001 const char *expected = data[k].string;
2002 ASSERT (result != NULL);
2003 ASSERT (strcmp (result, expected) == 0
2004 /* Some implementations produce exponents with 3 digits. */
2005 || (strlen (result) == strlen (expected) + 1
2006 && memcmp (result, expected, strlen (expected) - 2) == 0
2007 && result[strlen (expected) - 2] == '0'
2008 && strcmp (result + strlen (expected) - 1,
2009 expected + strlen (expected) - 2)
2011 ASSERT (length == strlen (result));
2016 { /* A negative number. */
2019 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2020 ASSERT (result != NULL);
2021 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2022 || strcmp (result, "-3.125000e-002 33") == 0);
2023 ASSERT (length == strlen (result));
2027 { /* Positive zero. */
2030 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2031 ASSERT (result != NULL);
2032 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2033 || strcmp (result, "0.000000e+000 33") == 0);
2034 ASSERT (length == strlen (result));
2038 { /* Negative zero. */
2041 my_asnprintf (NULL, &length, "%e %d", -zerod, 33, 44, 55);
2042 ASSERT (result != NULL);
2043 if (have_minus_zero ())
2044 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2045 || strcmp (result, "-0.000000e+000 33") == 0);
2046 ASSERT (length == strlen (result));
2050 { /* Positive infinity. */
2053 my_asnprintf (NULL, &length, "%e %d", 1.0 / 0.0, 33, 44, 55);
2054 ASSERT (result != NULL);
2055 ASSERT (strcmp (result, "inf 33") == 0
2056 || strcmp (result, "infinity 33") == 0);
2057 ASSERT (length == strlen (result));
2061 { /* Negative infinity. */
2064 my_asnprintf (NULL, &length, "%e %d", -1.0 / 0.0, 33, 44, 55);
2065 ASSERT (result != NULL);
2066 ASSERT (strcmp (result, "-inf 33") == 0
2067 || strcmp (result, "-infinity 33") == 0);
2068 ASSERT (length == strlen (result));
2075 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2076 ASSERT (result != NULL);
2077 ASSERT (strlen (result) >= 3 + 3
2078 && strisnan (result, 0, strlen (result) - 3, 0)
2079 && strcmp (result + strlen (result) - 3, " 33") == 0);
2080 ASSERT (length == strlen (result));
2087 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2088 ASSERT (result != NULL);
2089 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2090 || strcmp (result, " 1.750000e+000 33") == 0);
2091 ASSERT (length == strlen (result));
2098 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2099 ASSERT (result != NULL);
2100 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2101 || strcmp (result, "1.750000e+000 33") == 0);
2102 ASSERT (length == strlen (result));
2106 { /* FLAG_SHOWSIGN. */
2109 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2110 ASSERT (result != NULL);
2111 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2112 || strcmp (result, "+1.750000e+000 33") == 0);
2113 ASSERT (length == strlen (result));
2120 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2121 ASSERT (result != NULL);
2122 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2123 || strcmp (result, " 1.750000e+000 33") == 0);
2124 ASSERT (length == strlen (result));
2131 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2132 ASSERT (result != NULL);
2133 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2134 || strcmp (result, "1.750000e+000 33") == 0);
2135 ASSERT (length == strlen (result));
2142 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2143 ASSERT (result != NULL);
2144 ASSERT (strcmp (result, "2.e+00 33") == 0
2145 || strcmp (result, "2.e+000 33") == 0);
2146 ASSERT (length == strlen (result));
2153 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2154 ASSERT (result != NULL);
2155 ASSERT (strcmp (result, "1.e+01 33") == 0
2156 || strcmp (result, "1.e+001 33") == 0);
2157 ASSERT (length == strlen (result));
2161 { /* FLAG_ZERO with finite number. */
2164 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2165 ASSERT (result != NULL);
2166 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2167 || strcmp (result, "001.234000e+003 33") == 0);
2168 ASSERT (length == strlen (result));
2172 { /* FLAG_ZERO with infinite number. */
2175 my_asnprintf (NULL, &length, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2176 ASSERT (result != NULL);
2177 ASSERT (strcmp (result, " -inf 33") == 0
2178 || strcmp (result, " -infinity 33") == 0);
2179 ASSERT (length == strlen (result));
2183 { /* FLAG_ZERO with NaN. */
2186 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2187 ASSERT (result != NULL);
2188 ASSERT (strlen (result) == 50 + 3
2189 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2190 && strcmp (result + strlen (result) - 3, " 33") == 0);
2191 ASSERT (length == strlen (result));
2198 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2199 ASSERT (result != NULL);
2200 ASSERT (strcmp (result, "1e+03 33") == 0
2201 || strcmp (result, "1e+003 33") == 0);
2202 ASSERT (length == strlen (result));
2206 { /* Precision with no rounding. */
2209 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2210 ASSERT (result != NULL);
2211 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2212 || strcmp (result, "9.9995e+002 33") == 0);
2213 ASSERT (length == strlen (result));
2217 { /* Precision with rounding. */
2220 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2221 ASSERT (result != NULL);
2222 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2223 || strcmp (result, "1.0000e+003 33") == 0);
2224 ASSERT (length == strlen (result));
2228 { /* A positive number. */
2231 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2232 ASSERT (result != NULL);
2233 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2234 || strcmp (result, "1.275000e+001 33") == 0);
2235 ASSERT (length == strlen (result));
2239 { /* A larger positive number. */
2242 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2243 ASSERT (result != NULL);
2244 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2245 || strcmp (result, "1.234567e+006 33") == 0);
2246 ASSERT (length == strlen (result));
2250 { /* Small and large positive numbers. */
2251 static struct { long double value; const char *string; } data[] =
2253 { 1.234321234321234e-37L, "1.234321e-37" },
2254 { 1.234321234321234e-36L, "1.234321e-36" },
2255 { 1.234321234321234e-35L, "1.234321e-35" },
2256 { 1.234321234321234e-34L, "1.234321e-34" },
2257 { 1.234321234321234e-33L, "1.234321e-33" },
2258 { 1.234321234321234e-32L, "1.234321e-32" },
2259 { 1.234321234321234e-31L, "1.234321e-31" },
2260 { 1.234321234321234e-30L, "1.234321e-30" },
2261 { 1.234321234321234e-29L, "1.234321e-29" },
2262 { 1.234321234321234e-28L, "1.234321e-28" },
2263 { 1.234321234321234e-27L, "1.234321e-27" },
2264 { 1.234321234321234e-26L, "1.234321e-26" },
2265 { 1.234321234321234e-25L, "1.234321e-25" },
2266 { 1.234321234321234e-24L, "1.234321e-24" },
2267 { 1.234321234321234e-23L, "1.234321e-23" },
2268 { 1.234321234321234e-22L, "1.234321e-22" },
2269 { 1.234321234321234e-21L, "1.234321e-21" },
2270 { 1.234321234321234e-20L, "1.234321e-20" },
2271 { 1.234321234321234e-19L, "1.234321e-19" },
2272 { 1.234321234321234e-18L, "1.234321e-18" },
2273 { 1.234321234321234e-17L, "1.234321e-17" },
2274 { 1.234321234321234e-16L, "1.234321e-16" },
2275 { 1.234321234321234e-15L, "1.234321e-15" },
2276 { 1.234321234321234e-14L, "1.234321e-14" },
2277 { 1.234321234321234e-13L, "1.234321e-13" },
2278 { 1.234321234321234e-12L, "1.234321e-12" },
2279 { 1.234321234321234e-11L, "1.234321e-11" },
2280 { 1.234321234321234e-10L, "1.234321e-10" },
2281 { 1.234321234321234e-9L, "1.234321e-09" },
2282 { 1.234321234321234e-8L, "1.234321e-08" },
2283 { 1.234321234321234e-7L, "1.234321e-07" },
2284 { 1.234321234321234e-6L, "1.234321e-06" },
2285 { 1.234321234321234e-5L, "1.234321e-05" },
2286 { 1.234321234321234e-4L, "1.234321e-04" },
2287 { 1.234321234321234e-3L, "1.234321e-03" },
2288 { 1.234321234321234e-2L, "1.234321e-02" },
2289 { 1.234321234321234e-1L, "1.234321e-01" },
2290 { 1.234321234321234L, "1.234321e+00" },
2291 { 1.234321234321234e1L, "1.234321e+01" },
2292 { 1.234321234321234e2L, "1.234321e+02" },
2293 { 1.234321234321234e3L, "1.234321e+03" },
2294 { 1.234321234321234e4L, "1.234321e+04" },
2295 { 1.234321234321234e5L, "1.234321e+05" },
2296 { 1.234321234321234e6L, "1.234321e+06" },
2297 { 1.234321234321234e7L, "1.234321e+07" },
2298 { 1.234321234321234e8L, "1.234321e+08" },
2299 { 1.234321234321234e9L, "1.234321e+09" },
2300 { 1.234321234321234e10L, "1.234321e+10" },
2301 { 1.234321234321234e11L, "1.234321e+11" },
2302 { 1.234321234321234e12L, "1.234321e+12" },
2303 { 1.234321234321234e13L, "1.234321e+13" },
2304 { 1.234321234321234e14L, "1.234321e+14" },
2305 { 1.234321234321234e15L, "1.234321e+15" },
2306 { 1.234321234321234e16L, "1.234321e+16" },
2307 { 1.234321234321234e17L, "1.234321e+17" },
2308 { 1.234321234321234e18L, "1.234321e+18" },
2309 { 1.234321234321234e19L, "1.234321e+19" },
2310 { 1.234321234321234e20L, "1.234321e+20" },
2311 { 1.234321234321234e21L, "1.234321e+21" },
2312 { 1.234321234321234e22L, "1.234321e+22" },
2313 { 1.234321234321234e23L, "1.234321e+23" },
2314 { 1.234321234321234e24L, "1.234321e+24" },
2315 { 1.234321234321234e25L, "1.234321e+25" },
2316 { 1.234321234321234e26L, "1.234321e+26" },
2317 { 1.234321234321234e27L, "1.234321e+27" },
2318 { 1.234321234321234e28L, "1.234321e+28" },
2319 { 1.234321234321234e29L, "1.234321e+29" },
2320 { 1.234321234321234e30L, "1.234321e+30" },
2321 { 1.234321234321234e31L, "1.234321e+31" },
2322 { 1.234321234321234e32L, "1.234321e+32" },
2323 { 1.234321234321234e33L, "1.234321e+33" },
2324 { 1.234321234321234e34L, "1.234321e+34" },
2325 { 1.234321234321234e35L, "1.234321e+35" },
2326 { 1.234321234321234e36L, "1.234321e+36" }
2329 for (k = 0; k < SIZEOF (data); k++)
2333 my_asnprintf (NULL, &length, "%Le", data[k].value);
2334 const char *expected = data[k].string;
2335 ASSERT (result != NULL);
2336 ASSERT (strcmp (result, expected) == 0
2337 /* Some implementations produce exponents with 3 digits. */
2338 || (strlen (result) == strlen (expected) + 1
2339 && memcmp (result, expected, strlen (expected) - 2) == 0
2340 && result[strlen (expected) - 2] == '0'
2341 && strcmp (result + strlen (expected) - 1,
2342 expected + strlen (expected) - 2)
2344 ASSERT (length == strlen (result));
2349 { /* A negative number. */
2352 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2353 ASSERT (result != NULL);
2354 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2355 || strcmp (result, "-3.125000e-002 33") == 0);
2356 ASSERT (length == strlen (result));
2360 { /* Positive zero. */
2363 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2364 ASSERT (result != NULL);
2365 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2366 || strcmp (result, "0.000000e+000 33") == 0);
2367 ASSERT (length == strlen (result));
2371 { /* Negative zero. */
2374 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2375 ASSERT (result != NULL);
2376 if (have_minus_zero ())
2377 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2378 || strcmp (result, "-0.000000e+000 33") == 0);
2379 ASSERT (length == strlen (result));
2383 { /* Positive infinity. */
2386 my_asnprintf (NULL, &length, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2387 ASSERT (result != NULL);
2388 ASSERT (strcmp (result, "inf 33") == 0
2389 || strcmp (result, "infinity 33") == 0);
2390 ASSERT (length == strlen (result));
2394 { /* Negative infinity. */
2397 my_asnprintf (NULL, &length, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2398 ASSERT (result != NULL);
2399 ASSERT (strcmp (result, "-inf 33") == 0
2400 || strcmp (result, "-infinity 33") == 0);
2401 ASSERT (length == strlen (result));
2408 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2409 ASSERT (result != NULL);
2410 ASSERT (strlen (result) >= 3 + 3
2411 && strisnan (result, 0, strlen (result) - 3, 0)
2412 && strcmp (result + strlen (result) - 3, " 33") == 0);
2413 ASSERT (length == strlen (result));
2416 #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_))
2418 static union { unsigned int word[4]; long double value; } x =
2419 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2422 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2423 ASSERT (result != NULL);
2424 ASSERT (strlen (result) >= 3 + 3
2425 && strisnan (result, 0, strlen (result) - 3, 0)
2426 && strcmp (result + strlen (result) - 3, " 33") == 0);
2427 ASSERT (length == strlen (result));
2431 /* Signalling NaN. */
2432 static union { unsigned int word[4]; long double value; } x =
2433 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2436 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2437 ASSERT (result != NULL);
2438 ASSERT (strlen (result) >= 3 + 3
2439 && strisnan (result, 0, strlen (result) - 3, 0)
2440 && strcmp (result + strlen (result) - 3, " 33") == 0);
2441 ASSERT (length == strlen (result));
2444 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2445 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2446 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2447 Application Architecture.
2448 Table 5-2 "Floating-Point Register Encodings"
2449 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2452 static union { unsigned int word[4]; long double value; } x =
2453 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2456 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2457 ASSERT (result != NULL);
2458 ASSERT (strlen (result) >= 3 + 3
2459 && strisnan (result, 0, strlen (result) - 3, 0)
2460 && strcmp (result + strlen (result) - 3, " 33") == 0);
2461 ASSERT (length == strlen (result));
2464 { /* Pseudo-Infinity. */
2465 static union { unsigned int word[4]; long double value; } x =
2466 { LDBL80_WORDS (0xFFFF, 0x00000000, 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-Zero. */
2478 static union { unsigned int word[4]; long double value; } x =
2479 { LDBL80_WORDS (0x4004, 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 { /* Unnormalized number. */
2491 static union { unsigned int word[4]; long double value; } x =
2492 { LDBL80_WORDS (0x4000, 0x63333333, 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 { /* Pseudo-Denormal. */
2504 static union { unsigned int word[4]; long double value; } x =
2505 { LDBL80_WORDS (0x0000, 0x83333333, 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));
2521 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2522 ASSERT (result != NULL);
2523 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2524 || strcmp (result, " 1.750000e+000 33") == 0);
2525 ASSERT (length == strlen (result));
2532 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2533 ASSERT (result != NULL);
2534 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2535 || strcmp (result, "1.750000e+000 33") == 0);
2536 ASSERT (length == strlen (result));
2540 { /* FLAG_SHOWSIGN. */
2543 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2544 ASSERT (result != NULL);
2545 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2546 || strcmp (result, "+1.750000e+000 33") == 0);
2547 ASSERT (length == strlen (result));
2554 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2555 ASSERT (result != NULL);
2556 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2557 || strcmp (result, " 1.750000e+000 33") == 0);
2558 ASSERT (length == strlen (result));
2565 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2566 ASSERT (result != NULL);
2567 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2568 || strcmp (result, "1.750000e+000 33") == 0);
2569 ASSERT (length == strlen (result));
2576 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2577 ASSERT (result != NULL);
2578 ASSERT (strcmp (result, "2.e+00 33") == 0
2579 || strcmp (result, "2.e+000 33") == 0);
2580 ASSERT (length == strlen (result));
2587 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2588 ASSERT (result != NULL);
2589 ASSERT (strcmp (result, "1.e+01 33") == 0
2590 || strcmp (result, "1.e+001 33") == 0);
2591 ASSERT (length == strlen (result));
2595 { /* FLAG_ZERO with finite number. */
2598 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2599 ASSERT (result != NULL);
2600 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2601 || strcmp (result, "001.234000e+003 33") == 0);
2602 ASSERT (length == strlen (result));
2606 { /* FLAG_ZERO with infinite number. */
2609 my_asnprintf (NULL, &length, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2610 ASSERT (result != NULL);
2611 ASSERT (strcmp (result, " -inf 33") == 0
2612 || strcmp (result, " -infinity 33") == 0);
2613 ASSERT (length == strlen (result));
2617 { /* FLAG_ZERO with NaN. */
2620 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2621 ASSERT (result != NULL);
2622 ASSERT (strlen (result) == 50 + 3
2623 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2624 && strcmp (result + strlen (result) - 3, " 33") == 0);
2625 ASSERT (length == strlen (result));
2632 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2633 ASSERT (result != NULL);
2634 ASSERT (strcmp (result, "1e+03 33") == 0
2635 || strcmp (result, "1e+003 33") == 0);
2636 ASSERT (length == strlen (result));
2640 { /* Precision with no rounding. */
2643 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2644 ASSERT (result != NULL);
2645 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2646 || strcmp (result, "9.9995e+002 33") == 0);
2647 ASSERT (length == strlen (result));
2651 { /* Precision with rounding. */
2654 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2655 ASSERT (result != NULL);
2656 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2657 || strcmp (result, "1.0000e+003 33") == 0);
2658 ASSERT (length == strlen (result));
2662 /* Test the support of the %g format directive. */
2664 { /* A positive number. */
2667 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2668 ASSERT (result != NULL);
2669 ASSERT (strcmp (result, "12.75 33") == 0);
2670 ASSERT (length == strlen (result));
2674 { /* A larger positive number. */
2677 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2678 ASSERT (result != NULL);
2679 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2680 || strcmp (result, "1.23457e+006 33") == 0);
2681 ASSERT (length == strlen (result));
2685 { /* Small and large positive numbers. */
2686 static struct { double value; const char *string; } data[] =
2688 { 1.234321234321234e-37, "1.23432e-37" },
2689 { 1.234321234321234e-36, "1.23432e-36" },
2690 { 1.234321234321234e-35, "1.23432e-35" },
2691 { 1.234321234321234e-34, "1.23432e-34" },
2692 { 1.234321234321234e-33, "1.23432e-33" },
2693 { 1.234321234321234e-32, "1.23432e-32" },
2694 { 1.234321234321234e-31, "1.23432e-31" },
2695 { 1.234321234321234e-30, "1.23432e-30" },
2696 { 1.234321234321234e-29, "1.23432e-29" },
2697 { 1.234321234321234e-28, "1.23432e-28" },
2698 { 1.234321234321234e-27, "1.23432e-27" },
2699 { 1.234321234321234e-26, "1.23432e-26" },
2700 { 1.234321234321234e-25, "1.23432e-25" },
2701 { 1.234321234321234e-24, "1.23432e-24" },
2702 { 1.234321234321234e-23, "1.23432e-23" },
2703 { 1.234321234321234e-22, "1.23432e-22" },
2704 { 1.234321234321234e-21, "1.23432e-21" },
2705 { 1.234321234321234e-20, "1.23432e-20" },
2706 { 1.234321234321234e-19, "1.23432e-19" },
2707 { 1.234321234321234e-18, "1.23432e-18" },
2708 { 1.234321234321234e-17, "1.23432e-17" },
2709 { 1.234321234321234e-16, "1.23432e-16" },
2710 { 1.234321234321234e-15, "1.23432e-15" },
2711 { 1.234321234321234e-14, "1.23432e-14" },
2712 { 1.234321234321234e-13, "1.23432e-13" },
2713 { 1.234321234321234e-12, "1.23432e-12" },
2714 { 1.234321234321234e-11, "1.23432e-11" },
2715 { 1.234321234321234e-10, "1.23432e-10" },
2716 { 1.234321234321234e-9, "1.23432e-09" },
2717 { 1.234321234321234e-8, "1.23432e-08" },
2718 { 1.234321234321234e-7, "1.23432e-07" },
2719 { 1.234321234321234e-6, "1.23432e-06" },
2720 { 1.234321234321234e-5, "1.23432e-05" },
2721 { 1.234321234321234e-4, "0.000123432" },
2722 { 1.234321234321234e-3, "0.00123432" },
2723 { 1.234321234321234e-2, "0.0123432" },
2724 { 1.234321234321234e-1, "0.123432" },
2725 { 1.234321234321234, "1.23432" },
2726 { 1.234321234321234e1, "12.3432" },
2727 { 1.234321234321234e2, "123.432" },
2728 { 1.234321234321234e3, "1234.32" },
2729 { 1.234321234321234e4, "12343.2" },
2730 { 1.234321234321234e5, "123432" },
2731 { 1.234321234321234e6, "1.23432e+06" },
2732 { 1.234321234321234e7, "1.23432e+07" },
2733 { 1.234321234321234e8, "1.23432e+08" },
2734 { 1.234321234321234e9, "1.23432e+09" },
2735 { 1.234321234321234e10, "1.23432e+10" },
2736 { 1.234321234321234e11, "1.23432e+11" },
2737 { 1.234321234321234e12, "1.23432e+12" },
2738 { 1.234321234321234e13, "1.23432e+13" },
2739 { 1.234321234321234e14, "1.23432e+14" },
2740 { 1.234321234321234e15, "1.23432e+15" },
2741 { 1.234321234321234e16, "1.23432e+16" },
2742 { 1.234321234321234e17, "1.23432e+17" },
2743 { 1.234321234321234e18, "1.23432e+18" },
2744 { 1.234321234321234e19, "1.23432e+19" },
2745 { 1.234321234321234e20, "1.23432e+20" },
2746 { 1.234321234321234e21, "1.23432e+21" },
2747 { 1.234321234321234e22, "1.23432e+22" },
2748 { 1.234321234321234e23, "1.23432e+23" },
2749 { 1.234321234321234e24, "1.23432e+24" },
2750 { 1.234321234321234e25, "1.23432e+25" },
2751 { 1.234321234321234e26, "1.23432e+26" },
2752 { 1.234321234321234e27, "1.23432e+27" },
2753 { 1.234321234321234e28, "1.23432e+28" },
2754 { 1.234321234321234e29, "1.23432e+29" },
2755 { 1.234321234321234e30, "1.23432e+30" },
2756 { 1.234321234321234e31, "1.23432e+31" },
2757 { 1.234321234321234e32, "1.23432e+32" },
2758 { 1.234321234321234e33, "1.23432e+33" },
2759 { 1.234321234321234e34, "1.23432e+34" },
2760 { 1.234321234321234e35, "1.23432e+35" },
2761 { 1.234321234321234e36, "1.23432e+36" }
2764 for (k = 0; k < SIZEOF (data); k++)
2768 my_asnprintf (NULL, &length, "%g", data[k].value);
2769 const char *expected = data[k].string;
2770 ASSERT (result != NULL);
2771 ASSERT (strcmp (result, expected) == 0
2772 /* Some implementations produce exponents with 3 digits. */
2773 || (expected[strlen (expected) - 4] == 'e'
2774 && strlen (result) == strlen (expected) + 1
2775 && memcmp (result, expected, strlen (expected) - 2) == 0
2776 && result[strlen (expected) - 2] == '0'
2777 && strcmp (result + strlen (expected) - 1,
2778 expected + strlen (expected) - 2)
2780 ASSERT (length == strlen (result));
2785 { /* A negative number. */
2788 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2789 ASSERT (result != NULL);
2790 ASSERT (strcmp (result, "-0.03125 33") == 0);
2791 ASSERT (length == strlen (result));
2795 { /* Positive zero. */
2798 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2799 ASSERT (result != NULL);
2800 ASSERT (strcmp (result, "0 33") == 0);
2801 ASSERT (length == strlen (result));
2805 { /* Negative zero. */
2808 my_asnprintf (NULL, &length, "%g %d", -zerod, 33, 44, 55);
2809 ASSERT (result != NULL);
2810 if (have_minus_zero ())
2811 ASSERT (strcmp (result, "-0 33") == 0);
2812 ASSERT (length == strlen (result));
2816 { /* Positive infinity. */
2819 my_asnprintf (NULL, &length, "%g %d", 1.0 / 0.0, 33, 44, 55);
2820 ASSERT (result != NULL);
2821 ASSERT (strcmp (result, "inf 33") == 0
2822 || strcmp (result, "infinity 33") == 0);
2823 ASSERT (length == strlen (result));
2827 { /* Negative infinity. */
2830 my_asnprintf (NULL, &length, "%g %d", -1.0 / 0.0, 33, 44, 55);
2831 ASSERT (result != NULL);
2832 ASSERT (strcmp (result, "-inf 33") == 0
2833 || strcmp (result, "-infinity 33") == 0);
2834 ASSERT (length == strlen (result));
2841 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2842 ASSERT (result != NULL);
2843 ASSERT (strlen (result) >= 3 + 3
2844 && strisnan (result, 0, strlen (result) - 3, 0)
2845 && strcmp (result + strlen (result) - 3, " 33") == 0);
2846 ASSERT (length == strlen (result));
2853 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2854 ASSERT (result != NULL);
2855 ASSERT (strcmp (result, " 1.75 33") == 0);
2856 ASSERT (length == strlen (result));
2863 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2864 ASSERT (result != NULL);
2865 ASSERT (strcmp (result, "1.75 33") == 0);
2866 ASSERT (length == strlen (result));
2870 { /* FLAG_SHOWSIGN. */
2873 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2874 ASSERT (result != NULL);
2875 ASSERT (strcmp (result, "+1.75 33") == 0);
2876 ASSERT (length == strlen (result));
2883 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2884 ASSERT (result != NULL);
2885 ASSERT (strcmp (result, " 1.75 33") == 0);
2886 ASSERT (length == strlen (result));
2893 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2894 ASSERT (result != NULL);
2895 ASSERT (strcmp (result, "1.75000 33") == 0);
2896 ASSERT (length == strlen (result));
2903 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2904 ASSERT (result != NULL);
2905 ASSERT (strcmp (result, "2. 33") == 0);
2906 ASSERT (length == strlen (result));
2913 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2914 ASSERT (result != NULL);
2915 ASSERT (strcmp (result, "1.e+01 33") == 0
2916 || strcmp (result, "1.e+001 33") == 0);
2917 ASSERT (length == strlen (result));
2921 { /* FLAG_ZERO with finite number. */
2924 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2925 ASSERT (result != NULL);
2926 ASSERT (strcmp (result, "0000001234 33") == 0);
2927 ASSERT (length == strlen (result));
2931 { /* FLAG_ZERO with infinite number. */
2934 my_asnprintf (NULL, &length, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2935 ASSERT (result != NULL);
2936 ASSERT (strcmp (result, " -inf 33") == 0
2937 || strcmp (result, " -infinity 33") == 0);
2938 ASSERT (length == strlen (result));
2942 { /* FLAG_ZERO with NaN. */
2945 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2946 ASSERT (result != NULL);
2947 ASSERT (strlen (result) == 50 + 3
2948 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2949 && strcmp (result + strlen (result) - 3, " 33") == 0);
2950 ASSERT (length == strlen (result));
2957 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2958 ASSERT (result != NULL);
2959 ASSERT (strcmp (result, "1e+03 33") == 0
2960 || strcmp (result, "1e+003 33") == 0);
2961 ASSERT (length == strlen (result));
2965 { /* Precision with no rounding. */
2968 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2969 ASSERT (result != NULL);
2970 ASSERT (strcmp (result, "999.95 33") == 0);
2971 ASSERT (length == strlen (result));
2975 { /* Precision with rounding. */
2978 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2979 ASSERT (result != NULL);
2980 ASSERT (strcmp (result, "1000 33") == 0);
2981 ASSERT (length == strlen (result));
2985 { /* A positive number. */
2988 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
2989 ASSERT (result != NULL);
2990 ASSERT (strcmp (result, "12.75 33") == 0);
2991 ASSERT (length == strlen (result));
2995 { /* A larger positive number. */
2998 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
2999 ASSERT (result != NULL);
3000 ASSERT (strcmp (result, "1.23457e+06 33") == 0
3001 || strcmp (result, "1.23457e+006 33") == 0);
3002 ASSERT (length == strlen (result));
3006 { /* Small and large positive numbers. */
3007 static struct { long double value; const char *string; } data[] =
3009 { 1.234321234321234e-37L, "1.23432e-37" },
3010 { 1.234321234321234e-36L, "1.23432e-36" },
3011 { 1.234321234321234e-35L, "1.23432e-35" },
3012 { 1.234321234321234e-34L, "1.23432e-34" },
3013 { 1.234321234321234e-33L, "1.23432e-33" },
3014 { 1.234321234321234e-32L, "1.23432e-32" },
3015 { 1.234321234321234e-31L, "1.23432e-31" },
3016 { 1.234321234321234e-30L, "1.23432e-30" },
3017 { 1.234321234321234e-29L, "1.23432e-29" },
3018 { 1.234321234321234e-28L, "1.23432e-28" },
3019 { 1.234321234321234e-27L, "1.23432e-27" },
3020 { 1.234321234321234e-26L, "1.23432e-26" },
3021 { 1.234321234321234e-25L, "1.23432e-25" },
3022 { 1.234321234321234e-24L, "1.23432e-24" },
3023 { 1.234321234321234e-23L, "1.23432e-23" },
3024 { 1.234321234321234e-22L, "1.23432e-22" },
3025 { 1.234321234321234e-21L, "1.23432e-21" },
3026 { 1.234321234321234e-20L, "1.23432e-20" },
3027 { 1.234321234321234e-19L, "1.23432e-19" },
3028 { 1.234321234321234e-18L, "1.23432e-18" },
3029 { 1.234321234321234e-17L, "1.23432e-17" },
3030 { 1.234321234321234e-16L, "1.23432e-16" },
3031 { 1.234321234321234e-15L, "1.23432e-15" },
3032 { 1.234321234321234e-14L, "1.23432e-14" },
3033 { 1.234321234321234e-13L, "1.23432e-13" },
3034 { 1.234321234321234e-12L, "1.23432e-12" },
3035 { 1.234321234321234e-11L, "1.23432e-11" },
3036 { 1.234321234321234e-10L, "1.23432e-10" },
3037 { 1.234321234321234e-9L, "1.23432e-09" },
3038 { 1.234321234321234e-8L, "1.23432e-08" },
3039 { 1.234321234321234e-7L, "1.23432e-07" },
3040 { 1.234321234321234e-6L, "1.23432e-06" },
3041 { 1.234321234321234e-5L, "1.23432e-05" },
3042 { 1.234321234321234e-4L, "0.000123432" },
3043 { 1.234321234321234e-3L, "0.00123432" },
3044 { 1.234321234321234e-2L, "0.0123432" },
3045 { 1.234321234321234e-1L, "0.123432" },
3046 { 1.234321234321234L, "1.23432" },
3047 { 1.234321234321234e1L, "12.3432" },
3048 { 1.234321234321234e2L, "123.432" },
3049 { 1.234321234321234e3L, "1234.32" },
3050 { 1.234321234321234e4L, "12343.2" },
3051 { 1.234321234321234e5L, "123432" },
3052 { 1.234321234321234e6L, "1.23432e+06" },
3053 { 1.234321234321234e7L, "1.23432e+07" },
3054 { 1.234321234321234e8L, "1.23432e+08" },
3055 { 1.234321234321234e9L, "1.23432e+09" },
3056 { 1.234321234321234e10L, "1.23432e+10" },
3057 { 1.234321234321234e11L, "1.23432e+11" },
3058 { 1.234321234321234e12L, "1.23432e+12" },
3059 { 1.234321234321234e13L, "1.23432e+13" },
3060 { 1.234321234321234e14L, "1.23432e+14" },
3061 { 1.234321234321234e15L, "1.23432e+15" },
3062 { 1.234321234321234e16L, "1.23432e+16" },
3063 { 1.234321234321234e17L, "1.23432e+17" },
3064 { 1.234321234321234e18L, "1.23432e+18" },
3065 { 1.234321234321234e19L, "1.23432e+19" },
3066 { 1.234321234321234e20L, "1.23432e+20" },
3067 { 1.234321234321234e21L, "1.23432e+21" },
3068 { 1.234321234321234e22L, "1.23432e+22" },
3069 { 1.234321234321234e23L, "1.23432e+23" },
3070 { 1.234321234321234e24L, "1.23432e+24" },
3071 { 1.234321234321234e25L, "1.23432e+25" },
3072 { 1.234321234321234e26L, "1.23432e+26" },
3073 { 1.234321234321234e27L, "1.23432e+27" },
3074 { 1.234321234321234e28L, "1.23432e+28" },
3075 { 1.234321234321234e29L, "1.23432e+29" },
3076 { 1.234321234321234e30L, "1.23432e+30" },
3077 { 1.234321234321234e31L, "1.23432e+31" },
3078 { 1.234321234321234e32L, "1.23432e+32" },
3079 { 1.234321234321234e33L, "1.23432e+33" },
3080 { 1.234321234321234e34L, "1.23432e+34" },
3081 { 1.234321234321234e35L, "1.23432e+35" },
3082 { 1.234321234321234e36L, "1.23432e+36" }
3085 for (k = 0; k < SIZEOF (data); k++)
3089 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3090 const char *expected = data[k].string;
3091 ASSERT (result != NULL);
3092 ASSERT (strcmp (result, expected) == 0
3093 /* Some implementations produce exponents with 3 digits. */
3094 || (expected[strlen (expected) - 4] == 'e'
3095 && strlen (result) == strlen (expected) + 1
3096 && memcmp (result, expected, strlen (expected) - 2) == 0
3097 && result[strlen (expected) - 2] == '0'
3098 && strcmp (result + strlen (expected) - 1,
3099 expected + strlen (expected) - 2)
3101 ASSERT (length == strlen (result));
3106 { /* A negative number. */
3109 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3110 ASSERT (result != NULL);
3111 ASSERT (strcmp (result, "-0.03125 33") == 0);
3112 ASSERT (length == strlen (result));
3116 { /* Positive zero. */
3119 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3120 ASSERT (result != NULL);
3121 ASSERT (strcmp (result, "0 33") == 0);
3122 ASSERT (length == strlen (result));
3126 { /* Negative zero. */
3129 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3130 ASSERT (result != NULL);
3131 if (have_minus_zero ())
3132 ASSERT (strcmp (result, "-0 33") == 0);
3133 ASSERT (length == strlen (result));
3137 { /* Positive infinity. */
3140 my_asnprintf (NULL, &length, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3141 ASSERT (result != NULL);
3142 ASSERT (strcmp (result, "inf 33") == 0
3143 || strcmp (result, "infinity 33") == 0);
3144 ASSERT (length == strlen (result));
3148 { /* Negative infinity. */
3151 my_asnprintf (NULL, &length, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3152 ASSERT (result != NULL);
3153 ASSERT (strcmp (result, "-inf 33") == 0
3154 || strcmp (result, "-infinity 33") == 0);
3155 ASSERT (length == strlen (result));
3162 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3163 ASSERT (result != NULL);
3164 ASSERT (strlen (result) >= 3 + 3
3165 && strisnan (result, 0, strlen (result) - 3, 0)
3166 && strcmp (result + strlen (result) - 3, " 33") == 0);
3167 ASSERT (length == strlen (result));
3170 #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_))
3172 static union { unsigned int word[4]; long double value; } x =
3173 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3176 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3177 ASSERT (result != NULL);
3178 ASSERT (strlen (result) >= 3 + 3
3179 && strisnan (result, 0, strlen (result) - 3, 0)
3180 && strcmp (result + strlen (result) - 3, " 33") == 0);
3181 ASSERT (length == strlen (result));
3185 /* Signalling NaN. */
3186 static union { unsigned int word[4]; long double value; } x =
3187 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3190 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3191 ASSERT (result != NULL);
3192 ASSERT (strlen (result) >= 3 + 3
3193 && strisnan (result, 0, strlen (result) - 3, 0)
3194 && strcmp (result + strlen (result) - 3, " 33") == 0);
3195 ASSERT (length == strlen (result));
3198 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3199 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3200 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3201 Application Architecture.
3202 Table 5-2 "Floating-Point Register Encodings"
3203 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3206 static union { unsigned int word[4]; long double value; } x =
3207 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3210 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3211 ASSERT (result != NULL);
3212 ASSERT (strlen (result) >= 3 + 3
3213 && strisnan (result, 0, strlen (result) - 3, 0)
3214 && strcmp (result + strlen (result) - 3, " 33") == 0);
3215 ASSERT (length == strlen (result));
3218 { /* Pseudo-Infinity. */
3219 static union { unsigned int word[4]; long double value; } x =
3220 { LDBL80_WORDS (0xFFFF, 0x00000000, 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-Zero. */
3232 static union { unsigned int word[4]; long double value; } x =
3233 { LDBL80_WORDS (0x4004, 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 { /* Unnormalized number. */
3245 static union { unsigned int word[4]; long double value; } x =
3246 { LDBL80_WORDS (0x4000, 0x63333333, 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 { /* Pseudo-Denormal. */
3258 static union { unsigned int word[4]; long double value; } x =
3259 { LDBL80_WORDS (0x0000, 0x83333333, 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));
3275 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3276 ASSERT (result != NULL);
3277 ASSERT (strcmp (result, " 1.75 33") == 0);
3278 ASSERT (length == strlen (result));
3285 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3286 ASSERT (result != NULL);
3287 ASSERT (strcmp (result, "1.75 33") == 0);
3288 ASSERT (length == strlen (result));
3292 { /* FLAG_SHOWSIGN. */
3295 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3296 ASSERT (result != NULL);
3297 ASSERT (strcmp (result, "+1.75 33") == 0);
3298 ASSERT (length == strlen (result));
3305 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3306 ASSERT (result != NULL);
3307 ASSERT (strcmp (result, " 1.75 33") == 0);
3308 ASSERT (length == strlen (result));
3315 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3316 ASSERT (result != NULL);
3317 ASSERT (strcmp (result, "1.75000 33") == 0);
3318 ASSERT (length == strlen (result));
3325 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3326 ASSERT (result != NULL);
3327 ASSERT (strcmp (result, "2. 33") == 0);
3328 ASSERT (length == strlen (result));
3335 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3336 ASSERT (result != NULL);
3337 ASSERT (strcmp (result, "1.e+01 33") == 0
3338 || strcmp (result, "1.e+001 33") == 0);
3339 ASSERT (length == strlen (result));
3343 { /* FLAG_ZERO with finite number. */
3346 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3347 ASSERT (result != NULL);
3348 ASSERT (strcmp (result, "0000001234 33") == 0);
3349 ASSERT (length == strlen (result));
3353 { /* FLAG_ZERO with infinite number. */
3356 my_asnprintf (NULL, &length, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3357 ASSERT (result != NULL);
3358 ASSERT (strcmp (result, " -inf 33") == 0
3359 || strcmp (result, " -infinity 33") == 0);
3360 ASSERT (length == strlen (result));
3364 { /* FLAG_ZERO with NaN. */
3367 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3368 ASSERT (result != NULL);
3369 ASSERT (strlen (result) == 50 + 3
3370 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3371 && strcmp (result + strlen (result) - 3, " 33") == 0);
3372 ASSERT (length == strlen (result));
3379 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3380 ASSERT (result != NULL);
3381 ASSERT (strcmp (result, "1e+03 33") == 0
3382 || strcmp (result, "1e+003 33") == 0);
3383 ASSERT (length == strlen (result));
3387 { /* Precision with no rounding. */
3390 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3391 ASSERT (result != NULL);
3392 ASSERT (strcmp (result, "999.95 33") == 0);
3393 ASSERT (length == strlen (result));
3397 { /* Precision with rounding. */
3400 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3401 ASSERT (result != NULL);
3402 ASSERT (strcmp (result, "1000 33") == 0);
3403 ASSERT (length == strlen (result));
3407 /* Test the support of the %n format directive. */
3413 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3414 ASSERT (result != NULL);
3415 ASSERT (strcmp (result, "123 ") == 0);
3416 ASSERT (length == strlen (result));
3417 ASSERT (count == 4);
3421 /* Test the support of the POSIX/XSI format strings with positions. */
3426 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3427 ASSERT (result != NULL);
3428 ASSERT (strcmp (result, "55 33") == 0);
3429 ASSERT (length == strlen (result));
3433 /* Test the support of the grouping flag. */
3438 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3439 ASSERT (result != NULL);
3440 ASSERT (result[strlen (result) - 1] == '9');
3441 ASSERT (length == strlen (result));
3445 /* Test the support of the left-adjust flag. */
3450 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3451 ASSERT (result != NULL);
3452 ASSERT (strcmp (result, "ab c") == 0);
3453 ASSERT (length == strlen (result));
3460 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3461 ASSERT (result != NULL);
3462 ASSERT (strcmp (result, "ab c") == 0);
3463 ASSERT (length == strlen (result));
3470 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3471 ASSERT (result != NULL);
3472 ASSERT (strcmp (result, "ab c") == 0);
3473 ASSERT (length == strlen (result));
3477 /* Test the support of large precision. */
3482 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3484 ASSERT (result != NULL);
3485 for (i = 0; i < 4000 - 7; i++)
3486 ASSERT (result[i] == '0');
3487 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3488 ASSERT (length == strlen (result));
3495 my_asnprintf (NULL, &length, "%.*d %d", 4000, 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, "%.4000d %d", -1234567, 99);
3510 ASSERT (result != NULL);
3511 ASSERT (result[0] == '-');
3512 for (i = 0; i < 4000 - 7; i++)
3513 ASSERT (result[1 + i] == '0');
3514 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3515 ASSERT (length == strlen (result));
3522 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3524 ASSERT (result != NULL);
3525 for (i = 0; i < 4000 - 7; i++)
3526 ASSERT (result[i] == '0');
3527 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3528 ASSERT (length == strlen (result));
3535 my_asnprintf (NULL, &length, "%.4000o %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, "4553207 99") == 0);
3541 ASSERT (length == strlen (result));
3548 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3550 ASSERT (result != NULL);
3551 for (i = 0; i < 4000 - 6; i++)
3552 ASSERT (result[i] == '0');
3553 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3554 ASSERT (length == strlen (result));
3561 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3563 ASSERT (result != NULL);
3564 ASSERT (result[0] == '0');
3565 ASSERT (result[1] == 'x');
3566 for (i = 0; i < 4000 - 6; i++)
3567 ASSERT (result[2 + i] == '0');
3568 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3569 ASSERT (length == strlen (result));
3579 for (i = 0; i < sizeof (input) - 1; i++)
3580 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3582 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3583 ASSERT (result != NULL);
3584 ASSERT (memcmp (result, input, 4000) == 0);
3585 ASSERT (strcmp (result + 4000, " 99") == 0);
3586 ASSERT (length == strlen (result));
3590 /* Test the support of the %s format directive. */
3592 /* To verify that these tests succeed, it is necessary to run them under
3593 a tool that checks against invalid memory accesses, such as ElectricFence
3594 or "valgrind --tool=memcheck". */
3598 for (i = 1; i <= 8; i++)
3604 block = (char *) malloc (i);
3605 memcpy (block, "abcdefgh", i);
3606 result = my_asnprintf (NULL, &length, "%.*s", (int) i, block);
3607 ASSERT (result != NULL);
3608 ASSERT (memcmp (result, block, i) == 0);
3609 ASSERT (result[i] == '\0');
3610 ASSERT (length == strlen (result));
3619 for (i = 1; i <= 8; i++)
3626 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3627 for (j = 0; j < i; j++)
3628 block[j] = "abcdefgh"[j];
3629 result = my_asnprintf (NULL, &length, "%.*ls", (int) i, block);
3630 ASSERT (result != NULL);
3631 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3632 ASSERT (result[i] == '\0');
3633 ASSERT (length == strlen (result));
3642 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3647 va_start (args, format);
3648 ret = vasnprintf (resultbuf, lengthp, format, args);
3656 test_function (my_asnprintf);
3662 test_function (asnprintf);
3666 main (int argc, char *argv[])