1 /* Test of POSIX compatible vasnprintf() and asnprintf() functions.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
21 #include "vasnprintf.h"
33 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
34 #define ASSERT(expr) \
39 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
46 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
50 static double plus_zero = 0.0;
51 double minus_zero = - plus_zero;
52 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
55 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
56 So we use -zerod instead. */
59 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
60 So we use minus_zerol instead.
61 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
62 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
63 #if defined __hpux || defined __sgi
64 long double minus_zerol = -LDBL_MIN * LDBL_MIN;
66 long double minus_zerol = -0.0L;
69 /* Representation of an 80-bit 'long double' as an initializer for a sequence
70 of 'unsigned int' words. */
71 #ifdef WORDS_BIGENDIAN
72 # define LDBL80_WORDS(exponent,manthi,mantlo) \
73 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
74 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
75 (unsigned int) (mantlo) << 16 \
78 # define LDBL80_WORDS(exponent,manthi,mantlo) \
79 { mantlo, manthi, exponent }
83 strmatch (const char *pattern, const char *string)
85 if (strlen (pattern) != strlen (string))
87 for (; *pattern != '\0'; pattern++, string++)
88 if (*pattern != '*' && *string != *pattern)
93 /* Test whether string[start_index..end_index-1] is a valid textual
94 representation of NaN. */
96 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
98 if (start_index < end_index)
100 if (string[start_index] == '-')
102 if (start_index + 3 <= end_index
103 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
106 if (start_index == end_index
107 || (string[start_index] == '(' && string[end_index - 1] == ')'))
115 test_function (char * (*my_asnprintf) (char *, size_t *, const char *, ...))
120 /* Test return value convention. */
122 for (size = 0; size <= 8; size++)
124 size_t length = size;
125 char *result = my_asnprintf (NULL, &length, "%d", 12345);
126 ASSERT (result != NULL);
127 ASSERT (strcmp (result, "12345") == 0);
128 ASSERT (length == 5);
132 for (size = 0; size <= 8; size++)
137 memcpy (buf, "DEADBEEF", 8);
139 result = my_asnprintf (buf, &length, "%d", 12345);
140 ASSERT (result != NULL);
141 ASSERT (strcmp (result, "12345") == 0);
142 ASSERT (length == 5);
144 ASSERT (result != buf);
145 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
150 /* Test support of size specifiers as in C99. */
155 my_asnprintf (NULL, &length, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
156 ASSERT (result != NULL);
157 ASSERT (strcmp (result, "12345671 33") == 0);
158 ASSERT (length == strlen (result));
165 my_asnprintf (NULL, &length, "%zu %d", (size_t) 12345672, 33, 44, 55);
166 ASSERT (result != NULL);
167 ASSERT (strcmp (result, "12345672 33") == 0);
168 ASSERT (length == strlen (result));
175 my_asnprintf (NULL, &length, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
176 ASSERT (result != NULL);
177 ASSERT (strcmp (result, "12345673 33") == 0);
178 ASSERT (length == strlen (result));
185 my_asnprintf (NULL, &length, "%Lg %d", (long double) 1.5, 33, 44, 55);
186 ASSERT (result != NULL);
187 ASSERT (strcmp (result, "1.5 33") == 0);
188 ASSERT (length == strlen (result));
192 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
193 output of floating-point numbers. */
195 { /* A positive number. */
198 my_asnprintf (NULL, &length, "%a %d", 3.1416015625, 33, 44, 55);
199 ASSERT (result != NULL);
200 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
201 || strcmp (result, "0x3.244p+0 33") == 0
202 || strcmp (result, "0x6.488p-1 33") == 0
203 || strcmp (result, "0xc.91p-2 33") == 0);
204 ASSERT (length == strlen (result));
208 { /* A negative number. */
211 my_asnprintf (NULL, &length, "%A %d", -3.1416015625, 33, 44, 55);
212 ASSERT (result != NULL);
213 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
214 || strcmp (result, "-0X3.244P+0 33") == 0
215 || strcmp (result, "-0X6.488P-1 33") == 0
216 || strcmp (result, "-0XC.91P-2 33") == 0);
217 ASSERT (length == strlen (result));
221 { /* Positive zero. */
224 my_asnprintf (NULL, &length, "%a %d", 0.0, 33, 44, 55);
225 ASSERT (result != NULL);
226 ASSERT (strcmp (result, "0x0p+0 33") == 0);
227 ASSERT (length == strlen (result));
231 { /* Negative zero. */
234 my_asnprintf (NULL, &length, "%a %d", -zerod, 33, 44, 55);
235 ASSERT (result != NULL);
236 if (have_minus_zero ())
237 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
238 ASSERT (length == strlen (result));
242 { /* Positive infinity. */
245 my_asnprintf (NULL, &length, "%a %d", 1.0 / 0.0, 33, 44, 55);
246 ASSERT (result != NULL);
247 ASSERT (strcmp (result, "inf 33") == 0);
248 ASSERT (length == strlen (result));
252 { /* Negative infinity. */
255 my_asnprintf (NULL, &length, "%a %d", -1.0 / 0.0, 33, 44, 55);
256 ASSERT (result != NULL);
257 ASSERT (strcmp (result, "-inf 33") == 0);
258 ASSERT (length == strlen (result));
265 my_asnprintf (NULL, &length, "%a %d", NaNd (), 33, 44, 55);
266 ASSERT (result != NULL);
267 ASSERT (strlen (result) >= 3 + 3
268 && strisnan (result, 0, strlen (result) - 3, 0)
269 && strcmp (result + strlen (result) - 3, " 33") == 0);
270 ASSERT (length == strlen (result));
274 { /* Rounding near the decimal point. */
277 my_asnprintf (NULL, &length, "%.0a %d", 1.5, 33, 44, 55);
278 ASSERT (result != NULL);
279 ASSERT (strcmp (result, "0x2p+0 33") == 0
280 || strcmp (result, "0x3p-1 33") == 0
281 || strcmp (result, "0x6p-2 33") == 0
282 || strcmp (result, "0xcp-3 33") == 0);
283 ASSERT (length == strlen (result));
287 { /* Rounding with precision 0. */
290 my_asnprintf (NULL, &length, "%.0a %d", 1.51, 33, 44, 55);
291 ASSERT (result != NULL);
292 ASSERT (strcmp (result, "0x2p+0 33") == 0
293 || strcmp (result, "0x3p-1 33") == 0
294 || strcmp (result, "0x6p-2 33") == 0
295 || strcmp (result, "0xcp-3 33") == 0);
296 ASSERT (length == strlen (result));
300 { /* Rounding with precision 1. */
303 my_asnprintf (NULL, &length, "%.1a %d", 1.51, 33, 44, 55);
304 ASSERT (result != NULL);
305 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
306 || strcmp (result, "0x3.0p-1 33") == 0
307 || strcmp (result, "0x6.1p-2 33") == 0
308 || strcmp (result, "0xc.1p-3 33") == 0);
309 ASSERT (length == strlen (result));
313 { /* Rounding with precision 2. */
316 my_asnprintf (NULL, &length, "%.2a %d", 1.51, 33, 44, 55);
317 ASSERT (result != NULL);
318 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
319 || strcmp (result, "0x3.05p-1 33") == 0
320 || strcmp (result, "0x6.0ap-2 33") == 0
321 || strcmp (result, "0xc.14p-3 33") == 0);
322 ASSERT (length == strlen (result));
326 { /* Rounding with precision 3. */
329 my_asnprintf (NULL, &length, "%.3a %d", 1.51, 33, 44, 55);
330 ASSERT (result != NULL);
331 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
332 || strcmp (result, "0x3.052p-1 33") == 0
333 || strcmp (result, "0x6.0a4p-2 33") == 0
334 || strcmp (result, "0xc.148p-3 33") == 0);
335 ASSERT (length == strlen (result));
339 { /* Rounding can turn a ...FFF into a ...000. */
342 my_asnprintf (NULL, &length, "%.3a %d", 1.49999, 33, 44, 55);
343 ASSERT (result != NULL);
344 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
345 || strcmp (result, "0x3.000p-1 33") == 0
346 || strcmp (result, "0x6.000p-2 33") == 0
347 || strcmp (result, "0xc.000p-3 33") == 0);
348 ASSERT (length == strlen (result));
352 { /* Rounding can turn a ...FFF into a ...000.
353 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
356 my_asnprintf (NULL, &length, "%.1a %d", 1.999, 33, 44, 55);
357 ASSERT (result != NULL);
358 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
359 || strcmp (result, "0x2.0p+0 33") == 0
360 || strcmp (result, "0x4.0p-1 33") == 0
361 || strcmp (result, "0x8.0p-2 33") == 0);
362 ASSERT (length == strlen (result));
369 my_asnprintf (NULL, &length, "%10a %d", 1.75, 33, 44, 55);
370 ASSERT (result != NULL);
371 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
372 || strcmp (result, " 0x3.8p-1 33") == 0
373 || strcmp (result, " 0x7p-2 33") == 0
374 || strcmp (result, " 0xep-3 33") == 0);
375 ASSERT (length == strlen (result));
379 { /* Small precision. */
382 my_asnprintf (NULL, &length, "%.10a %d", 1.75, 33, 44, 55);
383 ASSERT (result != NULL);
384 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
385 || strcmp (result, "0x3.8000000000p-1 33") == 0
386 || strcmp (result, "0x7.0000000000p-2 33") == 0
387 || strcmp (result, "0xe.0000000000p-3 33") == 0);
388 ASSERT (length == strlen (result));
392 { /* Large precision. */
395 my_asnprintf (NULL, &length, "%.50a %d", 1.75, 33, 44, 55);
396 ASSERT (result != NULL);
397 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
398 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
399 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
400 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
401 ASSERT (length == strlen (result));
408 my_asnprintf (NULL, &length, "%-10a %d", 1.75, 33, 44, 55);
409 ASSERT (result != NULL);
410 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
411 || strcmp (result, "0x3.8p-1 33") == 0
412 || strcmp (result, "0x7p-2 33") == 0
413 || strcmp (result, "0xep-3 33") == 0);
414 ASSERT (length == strlen (result));
418 { /* FLAG_SHOWSIGN. */
421 my_asnprintf (NULL, &length, "%+a %d", 1.75, 33, 44, 55);
422 ASSERT (result != NULL);
423 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
424 || strcmp (result, "+0x3.8p-1 33") == 0
425 || strcmp (result, "+0x7p-2 33") == 0
426 || strcmp (result, "+0xep-3 33") == 0);
427 ASSERT (length == strlen (result));
434 my_asnprintf (NULL, &length, "% a %d", 1.75, 33, 44, 55);
435 ASSERT (result != NULL);
436 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
437 || strcmp (result, " 0x3.8p-1 33") == 0
438 || strcmp (result, " 0x7p-2 33") == 0
439 || strcmp (result, " 0xep-3 33") == 0);
440 ASSERT (length == strlen (result));
447 my_asnprintf (NULL, &length, "%#a %d", 1.75, 33, 44, 55);
448 ASSERT (result != NULL);
449 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
450 || strcmp (result, "0x3.8p-1 33") == 0
451 || strcmp (result, "0x7.p-2 33") == 0
452 || strcmp (result, "0xe.p-3 33") == 0);
453 ASSERT (length == strlen (result));
460 my_asnprintf (NULL, &length, "%#a %d", 1.0, 33, 44, 55);
461 ASSERT (result != NULL);
462 ASSERT (strcmp (result, "0x1.p+0 33") == 0
463 || strcmp (result, "0x2.p-1 33") == 0
464 || strcmp (result, "0x4.p-2 33") == 0
465 || strcmp (result, "0x8.p-3 33") == 0);
466 ASSERT (length == strlen (result));
470 { /* FLAG_ZERO with finite number. */
473 my_asnprintf (NULL, &length, "%010a %d", 1.75, 33, 44, 55);
474 ASSERT (result != NULL);
475 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
476 || strcmp (result, "0x003.8p-1 33") == 0
477 || strcmp (result, "0x00007p-2 33") == 0
478 || strcmp (result, "0x0000ep-3 33") == 0);
479 ASSERT (length == strlen (result));
483 { /* FLAG_ZERO with infinite number. */
486 my_asnprintf (NULL, &length, "%010a %d", 1.0 / 0.0, 33, 44, 55);
487 ASSERT (result != NULL);
488 /* "0000000inf 33" is not a valid result; see
489 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
490 ASSERT (strcmp (result, " inf 33") == 0);
491 ASSERT (length == strlen (result));
495 { /* FLAG_ZERO with NaN. */
498 my_asnprintf (NULL, &length, "%050a %d", NaNd (), 33, 44, 55);
499 ASSERT (result != NULL);
500 /* "0000000nan 33" is not a valid result; see
501 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
502 ASSERT (strlen (result) == 50 + 3
503 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
504 && strcmp (result + strlen (result) - 3, " 33") == 0);
505 ASSERT (length == strlen (result));
509 { /* A positive number. */
512 my_asnprintf (NULL, &length, "%La %d", 3.1416015625L, 33, 44, 55);
513 ASSERT (result != NULL);
514 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
515 || strcmp (result, "0x3.244p+0 33") == 0
516 || strcmp (result, "0x6.488p-1 33") == 0
517 || strcmp (result, "0xc.91p-2 33") == 0);
518 ASSERT (length == strlen (result));
522 { /* A negative number. */
525 my_asnprintf (NULL, &length, "%LA %d", -3.1416015625L, 33, 44, 55);
526 ASSERT (result != NULL);
527 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
528 || strcmp (result, "-0X3.244P+0 33") == 0
529 || strcmp (result, "-0X6.488P-1 33") == 0
530 || strcmp (result, "-0XC.91P-2 33") == 0);
531 ASSERT (length == strlen (result));
535 { /* Positive zero. */
538 my_asnprintf (NULL, &length, "%La %d", 0.0L, 33, 44, 55);
539 ASSERT (result != NULL);
540 ASSERT (strcmp (result, "0x0p+0 33") == 0);
541 ASSERT (length == strlen (result));
545 { /* Negative zero. */
548 my_asnprintf (NULL, &length, "%La %d", minus_zerol, 33, 44, 55);
549 ASSERT (result != NULL);
550 if (have_minus_zero ())
551 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
552 ASSERT (length == strlen (result));
556 { /* Positive infinity. */
559 my_asnprintf (NULL, &length, "%La %d", 1.0L / 0.0L, 33, 44, 55);
560 ASSERT (result != NULL);
561 ASSERT (strcmp (result, "inf 33") == 0);
562 ASSERT (length == strlen (result));
566 { /* Negative infinity. */
569 my_asnprintf (NULL, &length, "%La %d", -1.0L / 0.0L, 33, 44, 55);
570 ASSERT (result != NULL);
571 ASSERT (strcmp (result, "-inf 33") == 0);
572 ASSERT (length == strlen (result));
579 my_asnprintf (NULL, &length, "%La %d", NaNl (), 33, 44, 55);
580 ASSERT (result != NULL);
581 ASSERT (strlen (result) >= 3 + 3
582 && strisnan (result, 0, strlen (result) - 3, 0)
583 && strcmp (result + strlen (result) - 3, " 33") == 0);
584 ASSERT (length == strlen (result));
587 #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_))
589 static union { unsigned int word[4]; long double value; } x =
590 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
593 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
594 ASSERT (result != NULL);
595 ASSERT (strlen (result) >= 3 + 3
596 && strisnan (result, 0, strlen (result) - 3, 0)
597 && strcmp (result + strlen (result) - 3, " 33") == 0);
598 ASSERT (length == strlen (result));
602 /* Signalling NaN. */
603 static union { unsigned int word[4]; long double value; } x =
604 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
607 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
608 ASSERT (result != NULL);
609 ASSERT (strlen (result) >= 3 + 3
610 && strisnan (result, 0, strlen (result) - 3, 0)
611 && strcmp (result + strlen (result) - 3, " 33") == 0);
612 ASSERT (length == strlen (result));
615 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
616 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
617 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
618 Application Architecture.
619 Table 5-2 "Floating-Point Register Encodings"
620 Figure 5-6 "Memory to Floating-Point Register Data Translation"
623 static union { unsigned int word[4]; long double value; } x =
624 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
627 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
628 ASSERT (result != NULL);
629 ASSERT (strlen (result) >= 3 + 3
630 && strisnan (result, 0, strlen (result) - 3, 0)
631 && strcmp (result + strlen (result) - 3, " 33") == 0);
632 ASSERT (length == strlen (result));
635 { /* Pseudo-Infinity. */
636 static union { unsigned int word[4]; long double value; } x =
637 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
640 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
641 ASSERT (result != NULL);
642 ASSERT (strlen (result) >= 3 + 3
643 && strisnan (result, 0, strlen (result) - 3, 0)
644 && strcmp (result + strlen (result) - 3, " 33") == 0);
645 ASSERT (length == strlen (result));
649 static union { unsigned int word[4]; long double value; } x =
650 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
653 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
654 ASSERT (result != NULL);
655 ASSERT (strlen (result) >= 3 + 3
656 && strisnan (result, 0, strlen (result) - 3, 0)
657 && strcmp (result + strlen (result) - 3, " 33") == 0);
658 ASSERT (length == strlen (result));
661 { /* Unnormalized number. */
662 static union { unsigned int word[4]; long double value; } x =
663 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
666 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
667 ASSERT (result != NULL);
668 ASSERT (strlen (result) >= 3 + 3
669 && strisnan (result, 0, strlen (result) - 3, 0)
670 && strcmp (result + strlen (result) - 3, " 33") == 0);
671 ASSERT (length == strlen (result));
674 { /* Pseudo-Denormal. */
675 static union { unsigned int word[4]; long double value; } x =
676 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
679 my_asnprintf (NULL, &length, "%La %d", x.value, 33, 44, 55);
680 ASSERT (result != NULL);
681 ASSERT (strlen (result) >= 3 + 3
682 && strisnan (result, 0, strlen (result) - 3, 0)
683 && strcmp (result + strlen (result) - 3, " 33") == 0);
684 ASSERT (length == strlen (result));
689 { /* Rounding near the decimal point. */
692 my_asnprintf (NULL, &length, "%.0La %d", 1.5L, 33, 44, 55);
693 ASSERT (result != NULL);
694 ASSERT (strcmp (result, "0x2p+0 33") == 0
695 || strcmp (result, "0x3p-1 33") == 0
696 || strcmp (result, "0x6p-2 33") == 0
697 || strcmp (result, "0xcp-3 33") == 0);
698 ASSERT (length == strlen (result));
702 { /* Rounding with precision 0. */
705 my_asnprintf (NULL, &length, "%.0La %d", 1.51L, 33, 44, 55);
706 ASSERT (result != NULL);
707 ASSERT (strcmp (result, "0x2p+0 33") == 0
708 || strcmp (result, "0x3p-1 33") == 0
709 || strcmp (result, "0x6p-2 33") == 0
710 || strcmp (result, "0xcp-3 33") == 0);
711 ASSERT (length == strlen (result));
715 { /* Rounding with precision 1. */
718 my_asnprintf (NULL, &length, "%.1La %d", 1.51L, 33, 44, 55);
719 ASSERT (result != NULL);
720 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
721 || strcmp (result, "0x3.0p-1 33") == 0
722 || strcmp (result, "0x6.1p-2 33") == 0
723 || strcmp (result, "0xc.1p-3 33") == 0);
724 ASSERT (length == strlen (result));
728 { /* Rounding with precision 2. */
731 my_asnprintf (NULL, &length, "%.2La %d", 1.51L, 33, 44, 55);
732 ASSERT (result != NULL);
733 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
734 || strcmp (result, "0x3.05p-1 33") == 0
735 || strcmp (result, "0x6.0ap-2 33") == 0
736 || strcmp (result, "0xc.14p-3 33") == 0);
737 ASSERT (length == strlen (result));
741 { /* Rounding with precision 3. */
744 my_asnprintf (NULL, &length, "%.3La %d", 1.51L, 33, 44, 55);
745 ASSERT (result != NULL);
746 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
747 || strcmp (result, "0x3.052p-1 33") == 0
748 || strcmp (result, "0x6.0a4p-2 33") == 0
749 || strcmp (result, "0xc.148p-3 33") == 0);
750 ASSERT (length == strlen (result));
754 { /* Rounding can turn a ...FFF into a ...000. */
757 my_asnprintf (NULL, &length, "%.3La %d", 1.49999L, 33, 44, 55);
758 ASSERT (result != NULL);
759 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
760 || strcmp (result, "0x3.000p-1 33") == 0
761 || strcmp (result, "0x6.000p-2 33") == 0
762 || strcmp (result, "0xc.000p-3 33") == 0);
763 ASSERT (length == strlen (result));
767 { /* Rounding can turn a ...FFF into a ...000.
768 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
769 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
772 my_asnprintf (NULL, &length, "%.1La %d", 1.999L, 33, 44, 55);
773 ASSERT (result != NULL);
774 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
775 || strcmp (result, "0x2.0p+0 33") == 0
776 || strcmp (result, "0x4.0p-1 33") == 0
777 || strcmp (result, "0x8.0p-2 33") == 0);
778 ASSERT (length == strlen (result));
785 my_asnprintf (NULL, &length, "%10La %d", 1.75L, 33, 44, 55);
786 ASSERT (result != NULL);
787 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
788 || strcmp (result, " 0x3.8p-1 33") == 0
789 || strcmp (result, " 0x7p-2 33") == 0
790 || strcmp (result, " 0xep-3 33") == 0);
791 ASSERT (length == strlen (result));
795 { /* Small precision. */
798 my_asnprintf (NULL, &length, "%.10La %d", 1.75L, 33, 44, 55);
799 ASSERT (result != NULL);
800 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
801 || strcmp (result, "0x3.8000000000p-1 33") == 0
802 || strcmp (result, "0x7.0000000000p-2 33") == 0
803 || strcmp (result, "0xe.0000000000p-3 33") == 0);
804 ASSERT (length == strlen (result));
808 { /* Large precision. */
811 my_asnprintf (NULL, &length, "%.50La %d", 1.75L, 33, 44, 55);
812 ASSERT (result != NULL);
813 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
814 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
815 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
816 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
817 ASSERT (length == strlen (result));
824 my_asnprintf (NULL, &length, "%-10La %d", 1.75L, 33, 44, 55);
825 ASSERT (result != NULL);
826 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
827 || strcmp (result, "0x3.8p-1 33") == 0
828 || strcmp (result, "0x7p-2 33") == 0
829 || strcmp (result, "0xep-3 33") == 0);
830 ASSERT (length == strlen (result));
834 { /* FLAG_SHOWSIGN. */
837 my_asnprintf (NULL, &length, "%+La %d", 1.75L, 33, 44, 55);
838 ASSERT (result != NULL);
839 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
840 || strcmp (result, "+0x3.8p-1 33") == 0
841 || strcmp (result, "+0x7p-2 33") == 0
842 || strcmp (result, "+0xep-3 33") == 0);
843 ASSERT (length == strlen (result));
850 my_asnprintf (NULL, &length, "% La %d", 1.75L, 33, 44, 55);
851 ASSERT (result != NULL);
852 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
853 || strcmp (result, " 0x3.8p-1 33") == 0
854 || strcmp (result, " 0x7p-2 33") == 0
855 || strcmp (result, " 0xep-3 33") == 0);
856 ASSERT (length == strlen (result));
863 my_asnprintf (NULL, &length, "%#La %d", 1.75L, 33, 44, 55);
864 ASSERT (result != NULL);
865 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
866 || strcmp (result, "0x3.8p-1 33") == 0
867 || strcmp (result, "0x7.p-2 33") == 0
868 || strcmp (result, "0xe.p-3 33") == 0);
869 ASSERT (length == strlen (result));
876 my_asnprintf (NULL, &length, "%#La %d", 1.0L, 33, 44, 55);
877 ASSERT (result != NULL);
878 ASSERT (strcmp (result, "0x1.p+0 33") == 0
879 || strcmp (result, "0x2.p-1 33") == 0
880 || strcmp (result, "0x4.p-2 33") == 0
881 || strcmp (result, "0x8.p-3 33") == 0);
882 ASSERT (length == strlen (result));
886 { /* FLAG_ZERO with finite number. */
889 my_asnprintf (NULL, &length, "%010La %d", 1.75L, 33, 44, 55);
890 ASSERT (result != NULL);
891 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
892 || strcmp (result, "0x003.8p-1 33") == 0
893 || strcmp (result, "0x00007p-2 33") == 0
894 || strcmp (result, "0x0000ep-3 33") == 0);
895 ASSERT (length == strlen (result));
899 { /* FLAG_ZERO with infinite number. */
902 my_asnprintf (NULL, &length, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
903 ASSERT (result != NULL);
904 /* "0000000inf 33" is not a valid result; see
905 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
906 ASSERT (strcmp (result, " inf 33") == 0);
907 ASSERT (length == strlen (result));
911 { /* FLAG_ZERO with NaN. */
914 my_asnprintf (NULL, &length, "%050La %d", NaNl (), 33, 44, 55);
915 ASSERT (result != NULL);
916 /* "0000000nan 33" is not a valid result; see
917 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
918 ASSERT (strlen (result) == 50 + 3
919 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
920 && strcmp (result + strlen (result) - 3, " 33") == 0);
921 ASSERT (length == strlen (result));
925 /* Test the support of the %f format directive. */
927 { /* A positive number. */
930 my_asnprintf (NULL, &length, "%f %d", 12.75, 33, 44, 55);
931 ASSERT (result != NULL);
932 ASSERT (strcmp (result, "12.750000 33") == 0);
933 ASSERT (length == strlen (result));
937 { /* A larger positive number. */
940 my_asnprintf (NULL, &length, "%f %d", 1234567.0, 33, 44, 55);
941 ASSERT (result != NULL);
942 ASSERT (strcmp (result, "1234567.000000 33") == 0);
943 ASSERT (length == strlen (result));
947 { /* Small and large positive numbers. */
948 static struct { double value; const char *string; } data[] =
950 { 1.234321234321234e-37, "0.000000" },
951 { 1.234321234321234e-36, "0.000000" },
952 { 1.234321234321234e-35, "0.000000" },
953 { 1.234321234321234e-34, "0.000000" },
954 { 1.234321234321234e-33, "0.000000" },
955 { 1.234321234321234e-32, "0.000000" },
956 { 1.234321234321234e-31, "0.000000" },
957 { 1.234321234321234e-30, "0.000000" },
958 { 1.234321234321234e-29, "0.000000" },
959 { 1.234321234321234e-28, "0.000000" },
960 { 1.234321234321234e-27, "0.000000" },
961 { 1.234321234321234e-26, "0.000000" },
962 { 1.234321234321234e-25, "0.000000" },
963 { 1.234321234321234e-24, "0.000000" },
964 { 1.234321234321234e-23, "0.000000" },
965 { 1.234321234321234e-22, "0.000000" },
966 { 1.234321234321234e-21, "0.000000" },
967 { 1.234321234321234e-20, "0.000000" },
968 { 1.234321234321234e-19, "0.000000" },
969 { 1.234321234321234e-18, "0.000000" },
970 { 1.234321234321234e-17, "0.000000" },
971 { 1.234321234321234e-16, "0.000000" },
972 { 1.234321234321234e-15, "0.000000" },
973 { 1.234321234321234e-14, "0.000000" },
974 { 1.234321234321234e-13, "0.000000" },
975 { 1.234321234321234e-12, "0.000000" },
976 { 1.234321234321234e-11, "0.000000" },
977 { 1.234321234321234e-10, "0.000000" },
978 { 1.234321234321234e-9, "0.000000" },
979 { 1.234321234321234e-8, "0.000000" },
980 { 1.234321234321234e-7, "0.000000" },
981 { 1.234321234321234e-6, "0.000001" },
982 { 1.234321234321234e-5, "0.000012" },
983 { 1.234321234321234e-4, "0.000123" },
984 { 1.234321234321234e-3, "0.001234" },
985 { 1.234321234321234e-2, "0.012343" },
986 { 1.234321234321234e-1, "0.123432" },
987 { 1.234321234321234, "1.234321" },
988 { 1.234321234321234e1, "12.343212" },
989 { 1.234321234321234e2, "123.432123" },
990 { 1.234321234321234e3, "1234.321234" },
991 { 1.234321234321234e4, "12343.212343" },
992 { 1.234321234321234e5, "123432.123432" },
993 { 1.234321234321234e6, "1234321.234321" },
994 { 1.234321234321234e7, "12343212.343212" },
995 { 1.234321234321234e8, "123432123.432123" },
996 { 1.234321234321234e9, "1234321234.321234" },
997 { 1.234321234321234e10, "12343212343.2123**" },
998 { 1.234321234321234e11, "123432123432.123***" },
999 { 1.234321234321234e12, "1234321234321.23****" },
1000 { 1.234321234321234e13, "12343212343212.3*****" },
1001 { 1.234321234321234e14, "123432123432123.******" },
1002 { 1.234321234321234e15, "1234321234321234.000000" },
1003 { 1.234321234321234e16, "123432123432123**.000000" },
1004 { 1.234321234321234e17, "123432123432123***.000000" },
1005 { 1.234321234321234e18, "123432123432123****.000000" },
1006 { 1.234321234321234e19, "123432123432123*****.000000" },
1007 { 1.234321234321234e20, "123432123432123******.000000" },
1008 { 1.234321234321234e21, "123432123432123*******.000000" },
1009 { 1.234321234321234e22, "123432123432123********.000000" },
1010 { 1.234321234321234e23, "123432123432123*********.000000" },
1011 { 1.234321234321234e24, "123432123432123**********.000000" },
1012 { 1.234321234321234e25, "123432123432123***********.000000" },
1013 { 1.234321234321234e26, "123432123432123************.000000" },
1014 { 1.234321234321234e27, "123432123432123*************.000000" },
1015 { 1.234321234321234e28, "123432123432123**************.000000" },
1016 { 1.234321234321234e29, "123432123432123***************.000000" },
1017 { 1.234321234321234e30, "123432123432123****************.000000" },
1018 { 1.234321234321234e31, "123432123432123*****************.000000" },
1019 { 1.234321234321234e32, "123432123432123******************.000000" },
1020 { 1.234321234321234e33, "123432123432123*******************.000000" },
1021 { 1.234321234321234e34, "123432123432123********************.000000" },
1022 { 1.234321234321234e35, "123432123432123*********************.000000" },
1023 { 1.234321234321234e36, "123432123432123**********************.000000" }
1026 for (k = 0; k < SIZEOF (data); k++)
1030 my_asnprintf (NULL, &length, "%f", data[k].value);
1031 ASSERT (result != NULL);
1032 ASSERT (strmatch (data[k].string, result));
1033 ASSERT (length == strlen (result));
1038 { /* A negative number. */
1041 my_asnprintf (NULL, &length, "%f %d", -0.03125, 33, 44, 55);
1042 ASSERT (result != NULL);
1043 ASSERT (strcmp (result, "-0.031250 33") == 0);
1044 ASSERT (length == strlen (result));
1048 { /* Positive zero. */
1051 my_asnprintf (NULL, &length, "%f %d", 0.0, 33, 44, 55);
1052 ASSERT (result != NULL);
1053 ASSERT (strcmp (result, "0.000000 33") == 0);
1054 ASSERT (length == strlen (result));
1058 { /* Negative zero. */
1061 my_asnprintf (NULL, &length, "%f %d", -zerod, 33, 44, 55);
1062 ASSERT (result != NULL);
1063 if (have_minus_zero ())
1064 ASSERT (strcmp (result, "-0.000000 33") == 0);
1065 ASSERT (length == strlen (result));
1069 { /* Positive infinity. */
1072 my_asnprintf (NULL, &length, "%f %d", 1.0 / 0.0, 33, 44, 55);
1073 ASSERT (result != NULL);
1074 ASSERT (strcmp (result, "inf 33") == 0
1075 || strcmp (result, "infinity 33") == 0);
1076 ASSERT (length == strlen (result));
1080 { /* Negative infinity. */
1083 my_asnprintf (NULL, &length, "%f %d", -1.0 / 0.0, 33, 44, 55);
1084 ASSERT (result != NULL);
1085 ASSERT (strcmp (result, "-inf 33") == 0
1086 || strcmp (result, "-infinity 33") == 0);
1087 ASSERT (length == strlen (result));
1094 my_asnprintf (NULL, &length, "%f %d", NaNd (), 33, 44, 55);
1095 ASSERT (result != NULL);
1096 ASSERT (strlen (result) >= 3 + 3
1097 && strisnan (result, 0, strlen (result) - 3, 0)
1098 && strcmp (result + strlen (result) - 3, " 33") == 0);
1099 ASSERT (length == strlen (result));
1106 my_asnprintf (NULL, &length, "%10f %d", 1.75, 33, 44, 55);
1107 ASSERT (result != NULL);
1108 ASSERT (strcmp (result, " 1.750000 33") == 0);
1109 ASSERT (length == strlen (result));
1116 my_asnprintf (NULL, &length, "%-10f %d", 1.75, 33, 44, 55);
1117 ASSERT (result != NULL);
1118 ASSERT (strcmp (result, "1.750000 33") == 0);
1119 ASSERT (length == strlen (result));
1123 { /* FLAG_SHOWSIGN. */
1126 my_asnprintf (NULL, &length, "%+f %d", 1.75, 33, 44, 55);
1127 ASSERT (result != NULL);
1128 ASSERT (strcmp (result, "+1.750000 33") == 0);
1129 ASSERT (length == strlen (result));
1136 my_asnprintf (NULL, &length, "% f %d", 1.75, 33, 44, 55);
1137 ASSERT (result != NULL);
1138 ASSERT (strcmp (result, " 1.750000 33") == 0);
1139 ASSERT (length == strlen (result));
1146 my_asnprintf (NULL, &length, "%#f %d", 1.75, 33, 44, 55);
1147 ASSERT (result != NULL);
1148 ASSERT (strcmp (result, "1.750000 33") == 0);
1149 ASSERT (length == strlen (result));
1156 my_asnprintf (NULL, &length, "%#.f %d", 1.75, 33, 44, 55);
1157 ASSERT (result != NULL);
1158 ASSERT (strcmp (result, "2. 33") == 0);
1159 ASSERT (length == strlen (result));
1163 { /* FLAG_ZERO with finite number. */
1166 my_asnprintf (NULL, &length, "%015f %d", 1234.0, 33, 44, 55);
1167 ASSERT (result != NULL);
1168 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1169 ASSERT (length == strlen (result));
1173 { /* FLAG_ZERO with infinite number. */
1176 my_asnprintf (NULL, &length, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1177 ASSERT (result != NULL);
1178 ASSERT (strcmp (result, " -inf 33") == 0
1179 || strcmp (result, " -infinity 33") == 0);
1180 ASSERT (length == strlen (result));
1184 { /* FLAG_ZERO with NaN. */
1187 my_asnprintf (NULL, &length, "%050f %d", NaNd (), 33, 44, 55);
1188 ASSERT (result != NULL);
1189 ASSERT (strlen (result) == 50 + 3
1190 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1191 && strcmp (result + strlen (result) - 3, " 33") == 0);
1192 ASSERT (length == strlen (result));
1199 my_asnprintf (NULL, &length, "%.f %d", 1234.0, 33, 44, 55);
1200 ASSERT (result != NULL);
1201 ASSERT (strcmp (result, "1234 33") == 0);
1202 ASSERT (length == strlen (result));
1206 { /* Precision with no rounding. */
1209 my_asnprintf (NULL, &length, "%.2f %d", 999.951, 33, 44, 55);
1210 ASSERT (result != NULL);
1211 ASSERT (strcmp (result, "999.95 33") == 0);
1212 ASSERT (length == strlen (result));
1216 { /* Precision with rounding. */
1219 my_asnprintf (NULL, &length, "%.2f %d", 999.996, 33, 44, 55);
1220 ASSERT (result != NULL);
1221 ASSERT (strcmp (result, "1000.00 33") == 0);
1222 ASSERT (length == strlen (result));
1226 { /* A positive number. */
1229 my_asnprintf (NULL, &length, "%Lf %d", 12.75L, 33, 44, 55);
1230 ASSERT (result != NULL);
1231 ASSERT (strcmp (result, "12.750000 33") == 0);
1232 ASSERT (length == strlen (result));
1236 { /* A larger positive number. */
1239 my_asnprintf (NULL, &length, "%Lf %d", 1234567.0L, 33, 44, 55);
1240 ASSERT (result != NULL);
1241 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1242 ASSERT (length == strlen (result));
1246 { /* Small and large positive numbers. */
1247 static struct { long double value; const char *string; } data[] =
1249 { 1.234321234321234e-37L, "0.000000" },
1250 { 1.234321234321234e-36L, "0.000000" },
1251 { 1.234321234321234e-35L, "0.000000" },
1252 { 1.234321234321234e-34L, "0.000000" },
1253 { 1.234321234321234e-33L, "0.000000" },
1254 { 1.234321234321234e-32L, "0.000000" },
1255 { 1.234321234321234e-31L, "0.000000" },
1256 { 1.234321234321234e-30L, "0.000000" },
1257 { 1.234321234321234e-29L, "0.000000" },
1258 { 1.234321234321234e-28L, "0.000000" },
1259 { 1.234321234321234e-27L, "0.000000" },
1260 { 1.234321234321234e-26L, "0.000000" },
1261 { 1.234321234321234e-25L, "0.000000" },
1262 { 1.234321234321234e-24L, "0.000000" },
1263 { 1.234321234321234e-23L, "0.000000" },
1264 { 1.234321234321234e-22L, "0.000000" },
1265 { 1.234321234321234e-21L, "0.000000" },
1266 { 1.234321234321234e-20L, "0.000000" },
1267 { 1.234321234321234e-19L, "0.000000" },
1268 { 1.234321234321234e-18L, "0.000000" },
1269 { 1.234321234321234e-17L, "0.000000" },
1270 { 1.234321234321234e-16L, "0.000000" },
1271 { 1.234321234321234e-15L, "0.000000" },
1272 { 1.234321234321234e-14L, "0.000000" },
1273 { 1.234321234321234e-13L, "0.000000" },
1274 { 1.234321234321234e-12L, "0.000000" },
1275 { 1.234321234321234e-11L, "0.000000" },
1276 { 1.234321234321234e-10L, "0.000000" },
1277 { 1.234321234321234e-9L, "0.000000" },
1278 { 1.234321234321234e-8L, "0.000000" },
1279 { 1.234321234321234e-7L, "0.000000" },
1280 { 1.234321234321234e-6L, "0.000001" },
1281 { 1.234321234321234e-5L, "0.000012" },
1282 { 1.234321234321234e-4L, "0.000123" },
1283 { 1.234321234321234e-3L, "0.001234" },
1284 { 1.234321234321234e-2L, "0.012343" },
1285 { 1.234321234321234e-1L, "0.123432" },
1286 { 1.234321234321234L, "1.234321" },
1287 { 1.234321234321234e1L, "12.343212" },
1288 { 1.234321234321234e2L, "123.432123" },
1289 { 1.234321234321234e3L, "1234.321234" },
1290 { 1.234321234321234e4L, "12343.212343" },
1291 { 1.234321234321234e5L, "123432.123432" },
1292 { 1.234321234321234e6L, "1234321.234321" },
1293 { 1.234321234321234e7L, "12343212.343212" },
1294 { 1.234321234321234e8L, "123432123.432123" },
1295 { 1.234321234321234e9L, "1234321234.321234" },
1296 { 1.234321234321234e10L, "12343212343.2123**" },
1297 { 1.234321234321234e11L, "123432123432.123***" },
1298 { 1.234321234321234e12L, "1234321234321.23****" },
1299 { 1.234321234321234e13L, "12343212343212.3*****" },
1300 { 1.234321234321234e14L, "123432123432123.******" },
1301 { 1.234321234321234e15L, "1234321234321234.000000" },
1302 { 1.234321234321234e16L, "123432123432123**.000000" },
1303 { 1.234321234321234e17L, "123432123432123***.000000" },
1304 { 1.234321234321234e18L, "123432123432123****.000000" },
1305 { 1.234321234321234e19L, "123432123432123*****.000000" },
1306 { 1.234321234321234e20L, "123432123432123******.000000" },
1307 { 1.234321234321234e21L, "123432123432123*******.000000" },
1308 { 1.234321234321234e22L, "123432123432123********.000000" },
1309 { 1.234321234321234e23L, "123432123432123*********.000000" },
1310 { 1.234321234321234e24L, "123432123432123**********.000000" },
1311 { 1.234321234321234e25L, "123432123432123***********.000000" },
1312 { 1.234321234321234e26L, "123432123432123************.000000" },
1313 { 1.234321234321234e27L, "123432123432123*************.000000" },
1314 { 1.234321234321234e28L, "123432123432123**************.000000" },
1315 { 1.234321234321234e29L, "123432123432123***************.000000" },
1316 { 1.234321234321234e30L, "123432123432123****************.000000" },
1317 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1318 { 1.234321234321234e32L, "123432123432123******************.000000" },
1319 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1320 { 1.234321234321234e34L, "123432123432123********************.000000" },
1321 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1322 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1325 for (k = 0; k < SIZEOF (data); k++)
1329 my_asnprintf (NULL, &length, "%Lf", data[k].value);
1330 ASSERT (result != NULL);
1331 ASSERT (strmatch (data[k].string, result));
1332 ASSERT (length == strlen (result));
1337 { /* A negative number. */
1340 my_asnprintf (NULL, &length, "%Lf %d", -0.03125L, 33, 44, 55);
1341 ASSERT (result != NULL);
1342 ASSERT (strcmp (result, "-0.031250 33") == 0);
1343 ASSERT (length == strlen (result));
1347 { /* Positive zero. */
1350 my_asnprintf (NULL, &length, "%Lf %d", 0.0L, 33, 44, 55);
1351 ASSERT (result != NULL);
1352 ASSERT (strcmp (result, "0.000000 33") == 0);
1353 ASSERT (length == strlen (result));
1357 { /* Negative zero. */
1360 my_asnprintf (NULL, &length, "%Lf %d", minus_zerol, 33, 44, 55);
1361 ASSERT (result != NULL);
1362 if (have_minus_zero ())
1363 ASSERT (strcmp (result, "-0.000000 33") == 0);
1364 ASSERT (length == strlen (result));
1368 { /* Positive infinity. */
1371 my_asnprintf (NULL, &length, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1372 ASSERT (result != NULL);
1373 ASSERT (strcmp (result, "inf 33") == 0
1374 || strcmp (result, "infinity 33") == 0);
1375 ASSERT (length == strlen (result));
1379 { /* Negative infinity. */
1382 my_asnprintf (NULL, &length, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1383 ASSERT (result != NULL);
1384 ASSERT (strcmp (result, "-inf 33") == 0
1385 || strcmp (result, "-infinity 33") == 0);
1386 ASSERT (length == strlen (result));
1393 my_asnprintf (NULL, &length, "%Lf %d", NaNl (), 33, 44, 55);
1394 ASSERT (result != NULL);
1395 ASSERT (strlen (result) >= 3 + 3
1396 && strisnan (result, 0, strlen (result) - 3, 0)
1397 && strcmp (result + strlen (result) - 3, " 33") == 0);
1398 ASSERT (length == strlen (result));
1401 #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_))
1403 static union { unsigned int word[4]; long double value; } x =
1404 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1407 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1408 ASSERT (result != NULL);
1409 ASSERT (strlen (result) >= 3 + 3
1410 && strisnan (result, 0, strlen (result) - 3, 0)
1411 && strcmp (result + strlen (result) - 3, " 33") == 0);
1412 ASSERT (length == strlen (result));
1416 /* Signalling NaN. */
1417 static union { unsigned int word[4]; long double value; } x =
1418 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1421 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1422 ASSERT (result != NULL);
1423 ASSERT (strlen (result) >= 3 + 3
1424 && strisnan (result, 0, strlen (result) - 3, 0)
1425 && strcmp (result + strlen (result) - 3, " 33") == 0);
1426 ASSERT (length == strlen (result));
1429 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1430 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1431 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1432 Application Architecture.
1433 Table 5-2 "Floating-Point Register Encodings"
1434 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1437 static union { unsigned int word[4]; long double value; } x =
1438 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1441 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1442 ASSERT (result != NULL);
1443 ASSERT (strlen (result) >= 3 + 3
1444 && strisnan (result, 0, strlen (result) - 3, 0)
1445 && strcmp (result + strlen (result) - 3, " 33") == 0);
1446 ASSERT (length == strlen (result));
1449 { /* Pseudo-Infinity. */
1450 static union { unsigned int word[4]; long double value; } x =
1451 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1454 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1455 ASSERT (result != NULL);
1456 ASSERT (strlen (result) >= 3 + 3
1457 && strisnan (result, 0, strlen (result) - 3, 0)
1458 && strcmp (result + strlen (result) - 3, " 33") == 0);
1459 ASSERT (length == strlen (result));
1462 { /* Pseudo-Zero. */
1463 static union { unsigned int word[4]; long double value; } x =
1464 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1467 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1468 ASSERT (result != NULL);
1469 ASSERT (strlen (result) >= 3 + 3
1470 && strisnan (result, 0, strlen (result) - 3, 0)
1471 && strcmp (result + strlen (result) - 3, " 33") == 0);
1472 ASSERT (length == strlen (result));
1475 { /* Unnormalized number. */
1476 static union { unsigned int word[4]; long double value; } x =
1477 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1480 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1481 ASSERT (result != NULL);
1482 ASSERT (strlen (result) >= 3 + 3
1483 && strisnan (result, 0, strlen (result) - 3, 0)
1484 && strcmp (result + strlen (result) - 3, " 33") == 0);
1485 ASSERT (length == strlen (result));
1488 { /* Pseudo-Denormal. */
1489 static union { unsigned int word[4]; long double value; } x =
1490 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1493 my_asnprintf (NULL, &length, "%Lf %d", x.value, 33, 44, 55);
1494 ASSERT (result != NULL);
1495 ASSERT (strlen (result) >= 3 + 3
1496 && strisnan (result, 0, strlen (result) - 3, 0)
1497 && strcmp (result + strlen (result) - 3, " 33") == 0);
1498 ASSERT (length == strlen (result));
1506 my_asnprintf (NULL, &length, "%10Lf %d", 1.75L, 33, 44, 55);
1507 ASSERT (result != NULL);
1508 ASSERT (strcmp (result, " 1.750000 33") == 0);
1509 ASSERT (length == strlen (result));
1516 my_asnprintf (NULL, &length, "%-10Lf %d", 1.75L, 33, 44, 55);
1517 ASSERT (result != NULL);
1518 ASSERT (strcmp (result, "1.750000 33") == 0);
1519 ASSERT (length == strlen (result));
1523 { /* FLAG_SHOWSIGN. */
1526 my_asnprintf (NULL, &length, "%+Lf %d", 1.75L, 33, 44, 55);
1527 ASSERT (result != NULL);
1528 ASSERT (strcmp (result, "+1.750000 33") == 0);
1529 ASSERT (length == strlen (result));
1536 my_asnprintf (NULL, &length, "% Lf %d", 1.75L, 33, 44, 55);
1537 ASSERT (result != NULL);
1538 ASSERT (strcmp (result, " 1.750000 33") == 0);
1539 ASSERT (length == strlen (result));
1546 my_asnprintf (NULL, &length, "%#Lf %d", 1.75L, 33, 44, 55);
1547 ASSERT (result != NULL);
1548 ASSERT (strcmp (result, "1.750000 33") == 0);
1549 ASSERT (length == strlen (result));
1556 my_asnprintf (NULL, &length, "%#.Lf %d", 1.75L, 33, 44, 55);
1557 ASSERT (result != NULL);
1558 ASSERT (strcmp (result, "2. 33") == 0);
1559 ASSERT (length == strlen (result));
1563 { /* FLAG_ZERO with finite number. */
1566 my_asnprintf (NULL, &length, "%015Lf %d", 1234.0L, 33, 44, 55);
1567 ASSERT (result != NULL);
1568 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1569 ASSERT (length == strlen (result));
1573 { /* FLAG_ZERO with infinite number. */
1576 my_asnprintf (NULL, &length, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1577 ASSERT (result != NULL);
1578 ASSERT (strcmp (result, " -inf 33") == 0
1579 || strcmp (result, " -infinity 33") == 0);
1580 ASSERT (length == strlen (result));
1584 { /* FLAG_ZERO with NaN. */
1587 my_asnprintf (NULL, &length, "%050Lf %d", NaNl (), 33, 44, 55);
1588 ASSERT (result != NULL);
1589 ASSERT (strlen (result) == 50 + 3
1590 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1591 && strcmp (result + strlen (result) - 3, " 33") == 0);
1592 ASSERT (length == strlen (result));
1599 my_asnprintf (NULL, &length, "%.Lf %d", 1234.0L, 33, 44, 55);
1600 ASSERT (result != NULL);
1601 ASSERT (strcmp (result, "1234 33") == 0);
1602 ASSERT (length == strlen (result));
1606 { /* Precision with no rounding. */
1609 my_asnprintf (NULL, &length, "%.2Lf %d", 999.951L, 33, 44, 55);
1610 ASSERT (result != NULL);
1611 ASSERT (strcmp (result, "999.95 33") == 0);
1612 ASSERT (length == strlen (result));
1616 { /* Precision with rounding. */
1619 my_asnprintf (NULL, &length, "%.2Lf %d", 999.996L, 33, 44, 55);
1620 ASSERT (result != NULL);
1621 ASSERT (strcmp (result, "1000.00 33") == 0);
1622 ASSERT (length == strlen (result));
1626 /* Test the support of the %F format directive. */
1628 { /* A positive number. */
1631 my_asnprintf (NULL, &length, "%F %d", 12.75, 33, 44, 55);
1632 ASSERT (result != NULL);
1633 ASSERT (strcmp (result, "12.750000 33") == 0);
1634 ASSERT (length == strlen (result));
1638 { /* A larger positive number. */
1641 my_asnprintf (NULL, &length, "%F %d", 1234567.0, 33, 44, 55);
1642 ASSERT (result != NULL);
1643 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1644 ASSERT (length == strlen (result));
1648 { /* A negative number. */
1651 my_asnprintf (NULL, &length, "%F %d", -0.03125, 33, 44, 55);
1652 ASSERT (result != NULL);
1653 ASSERT (strcmp (result, "-0.031250 33") == 0);
1654 ASSERT (length == strlen (result));
1658 { /* Positive zero. */
1661 my_asnprintf (NULL, &length, "%F %d", 0.0, 33, 44, 55);
1662 ASSERT (result != NULL);
1663 ASSERT (strcmp (result, "0.000000 33") == 0);
1664 ASSERT (length == strlen (result));
1668 { /* Negative zero. */
1671 my_asnprintf (NULL, &length, "%F %d", -zerod, 33, 44, 55);
1672 ASSERT (result != NULL);
1673 if (have_minus_zero ())
1674 ASSERT (strcmp (result, "-0.000000 33") == 0);
1675 ASSERT (length == strlen (result));
1679 { /* Positive infinity. */
1682 my_asnprintf (NULL, &length, "%F %d", 1.0 / 0.0, 33, 44, 55);
1683 ASSERT (result != NULL);
1684 ASSERT (strcmp (result, "INF 33") == 0
1685 || strcmp (result, "INFINITY 33") == 0);
1686 ASSERT (length == strlen (result));
1690 { /* Negative infinity. */
1693 my_asnprintf (NULL, &length, "%F %d", -1.0 / 0.0, 33, 44, 55);
1694 ASSERT (result != NULL);
1695 ASSERT (strcmp (result, "-INF 33") == 0
1696 || strcmp (result, "-INFINITY 33") == 0);
1697 ASSERT (length == strlen (result));
1704 my_asnprintf (NULL, &length, "%F %d", NaNd (), 33, 44, 55);
1705 ASSERT (result != NULL);
1706 ASSERT (strlen (result) >= 3 + 3
1707 && strisnan (result, 0, strlen (result) - 3, 1)
1708 && strcmp (result + strlen (result) - 3, " 33") == 0);
1709 ASSERT (length == strlen (result));
1716 my_asnprintf (NULL, &length, "%015F %d", 1234.0, 33, 44, 55);
1717 ASSERT (result != NULL);
1718 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1719 ASSERT (length == strlen (result));
1723 { /* FLAG_ZERO with infinite number. */
1726 my_asnprintf (NULL, &length, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1727 ASSERT (result != NULL);
1728 ASSERT (strcmp (result, " -INF 33") == 0
1729 || strcmp (result, " -INFINITY 33") == 0);
1730 ASSERT (length == strlen (result));
1737 my_asnprintf (NULL, &length, "%.F %d", 1234.0, 33, 44, 55);
1738 ASSERT (result != NULL);
1739 ASSERT (strcmp (result, "1234 33") == 0);
1740 ASSERT (length == strlen (result));
1744 { /* Precision with no rounding. */
1747 my_asnprintf (NULL, &length, "%.2F %d", 999.951, 33, 44, 55);
1748 ASSERT (result != NULL);
1749 ASSERT (strcmp (result, "999.95 33") == 0);
1750 ASSERT (length == strlen (result));
1754 { /* Precision with rounding. */
1757 my_asnprintf (NULL, &length, "%.2F %d", 999.996, 33, 44, 55);
1758 ASSERT (result != NULL);
1759 ASSERT (strcmp (result, "1000.00 33") == 0);
1760 ASSERT (length == strlen (result));
1764 { /* A positive number. */
1767 my_asnprintf (NULL, &length, "%LF %d", 12.75L, 33, 44, 55);
1768 ASSERT (result != NULL);
1769 ASSERT (strcmp (result, "12.750000 33") == 0);
1770 ASSERT (length == strlen (result));
1774 { /* A larger positive number. */
1777 my_asnprintf (NULL, &length, "%LF %d", 1234567.0L, 33, 44, 55);
1778 ASSERT (result != NULL);
1779 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1780 ASSERT (length == strlen (result));
1784 { /* A negative number. */
1787 my_asnprintf (NULL, &length, "%LF %d", -0.03125L, 33, 44, 55);
1788 ASSERT (result != NULL);
1789 ASSERT (strcmp (result, "-0.031250 33") == 0);
1790 ASSERT (length == strlen (result));
1794 { /* Positive zero. */
1797 my_asnprintf (NULL, &length, "%LF %d", 0.0L, 33, 44, 55);
1798 ASSERT (result != NULL);
1799 ASSERT (strcmp (result, "0.000000 33") == 0);
1800 ASSERT (length == strlen (result));
1804 { /* Negative zero. */
1807 my_asnprintf (NULL, &length, "%LF %d", minus_zerol, 33, 44, 55);
1808 ASSERT (result != NULL);
1809 if (have_minus_zero ())
1810 ASSERT (strcmp (result, "-0.000000 33") == 0);
1811 ASSERT (length == strlen (result));
1815 { /* Positive infinity. */
1818 my_asnprintf (NULL, &length, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1819 ASSERT (result != NULL);
1820 ASSERT (strcmp (result, "INF 33") == 0
1821 || strcmp (result, "INFINITY 33") == 0);
1822 ASSERT (length == strlen (result));
1826 { /* Negative infinity. */
1829 my_asnprintf (NULL, &length, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1830 ASSERT (result != NULL);
1831 ASSERT (strcmp (result, "-INF 33") == 0
1832 || strcmp (result, "-INFINITY 33") == 0);
1833 ASSERT (length == strlen (result));
1840 my_asnprintf (NULL, &length, "%LF %d", NaNl (), 33, 44, 55);
1841 ASSERT (result != NULL);
1842 ASSERT (strlen (result) >= 3 + 3
1843 && strisnan (result, 0, strlen (result) - 3, 1)
1844 && strcmp (result + strlen (result) - 3, " 33") == 0);
1845 ASSERT (length == strlen (result));
1852 my_asnprintf (NULL, &length, "%015LF %d", 1234.0L, 33, 44, 55);
1853 ASSERT (result != NULL);
1854 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1855 ASSERT (length == strlen (result));
1859 { /* FLAG_ZERO with infinite number. */
1862 my_asnprintf (NULL, &length, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1863 ASSERT (result != NULL);
1864 ASSERT (strcmp (result, " -INF 33") == 0
1865 || strcmp (result, " -INFINITY 33") == 0);
1866 ASSERT (length == strlen (result));
1873 my_asnprintf (NULL, &length, "%.LF %d", 1234.0L, 33, 44, 55);
1874 ASSERT (result != NULL);
1875 ASSERT (strcmp (result, "1234 33") == 0);
1876 ASSERT (length == strlen (result));
1880 { /* Precision with no rounding. */
1883 my_asnprintf (NULL, &length, "%.2LF %d", 999.951L, 33, 44, 55);
1884 ASSERT (result != NULL);
1885 ASSERT (strcmp (result, "999.95 33") == 0);
1886 ASSERT (length == strlen (result));
1890 { /* Precision with rounding. */
1893 my_asnprintf (NULL, &length, "%.2LF %d", 999.996L, 33, 44, 55);
1894 ASSERT (result != NULL);
1895 ASSERT (strcmp (result, "1000.00 33") == 0);
1896 ASSERT (length == strlen (result));
1900 /* Test the support of the %e format directive. */
1902 { /* A positive number. */
1905 my_asnprintf (NULL, &length, "%e %d", 12.75, 33, 44, 55);
1906 ASSERT (result != NULL);
1907 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1908 || strcmp (result, "1.275000e+001 33") == 0);
1909 ASSERT (length == strlen (result));
1913 { /* A larger positive number. */
1916 my_asnprintf (NULL, &length, "%e %d", 1234567.0, 33, 44, 55);
1917 ASSERT (result != NULL);
1918 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1919 || strcmp (result, "1.234567e+006 33") == 0);
1920 ASSERT (length == strlen (result));
1924 { /* Small and large positive numbers. */
1925 static struct { double value; const char *string; } data[] =
1927 { 1.234321234321234e-37, "1.234321e-37" },
1928 { 1.234321234321234e-36, "1.234321e-36" },
1929 { 1.234321234321234e-35, "1.234321e-35" },
1930 { 1.234321234321234e-34, "1.234321e-34" },
1931 { 1.234321234321234e-33, "1.234321e-33" },
1932 { 1.234321234321234e-32, "1.234321e-32" },
1933 { 1.234321234321234e-31, "1.234321e-31" },
1934 { 1.234321234321234e-30, "1.234321e-30" },
1935 { 1.234321234321234e-29, "1.234321e-29" },
1936 { 1.234321234321234e-28, "1.234321e-28" },
1937 { 1.234321234321234e-27, "1.234321e-27" },
1938 { 1.234321234321234e-26, "1.234321e-26" },
1939 { 1.234321234321234e-25, "1.234321e-25" },
1940 { 1.234321234321234e-24, "1.234321e-24" },
1941 { 1.234321234321234e-23, "1.234321e-23" },
1942 { 1.234321234321234e-22, "1.234321e-22" },
1943 { 1.234321234321234e-21, "1.234321e-21" },
1944 { 1.234321234321234e-20, "1.234321e-20" },
1945 { 1.234321234321234e-19, "1.234321e-19" },
1946 { 1.234321234321234e-18, "1.234321e-18" },
1947 { 1.234321234321234e-17, "1.234321e-17" },
1948 { 1.234321234321234e-16, "1.234321e-16" },
1949 { 1.234321234321234e-15, "1.234321e-15" },
1950 { 1.234321234321234e-14, "1.234321e-14" },
1951 { 1.234321234321234e-13, "1.234321e-13" },
1952 { 1.234321234321234e-12, "1.234321e-12" },
1953 { 1.234321234321234e-11, "1.234321e-11" },
1954 { 1.234321234321234e-10, "1.234321e-10" },
1955 { 1.234321234321234e-9, "1.234321e-09" },
1956 { 1.234321234321234e-8, "1.234321e-08" },
1957 { 1.234321234321234e-7, "1.234321e-07" },
1958 { 1.234321234321234e-6, "1.234321e-06" },
1959 { 1.234321234321234e-5, "1.234321e-05" },
1960 { 1.234321234321234e-4, "1.234321e-04" },
1961 { 1.234321234321234e-3, "1.234321e-03" },
1962 { 1.234321234321234e-2, "1.234321e-02" },
1963 { 1.234321234321234e-1, "1.234321e-01" },
1964 { 1.234321234321234, "1.234321e+00" },
1965 { 1.234321234321234e1, "1.234321e+01" },
1966 { 1.234321234321234e2, "1.234321e+02" },
1967 { 1.234321234321234e3, "1.234321e+03" },
1968 { 1.234321234321234e4, "1.234321e+04" },
1969 { 1.234321234321234e5, "1.234321e+05" },
1970 { 1.234321234321234e6, "1.234321e+06" },
1971 { 1.234321234321234e7, "1.234321e+07" },
1972 { 1.234321234321234e8, "1.234321e+08" },
1973 { 1.234321234321234e9, "1.234321e+09" },
1974 { 1.234321234321234e10, "1.234321e+10" },
1975 { 1.234321234321234e11, "1.234321e+11" },
1976 { 1.234321234321234e12, "1.234321e+12" },
1977 { 1.234321234321234e13, "1.234321e+13" },
1978 { 1.234321234321234e14, "1.234321e+14" },
1979 { 1.234321234321234e15, "1.234321e+15" },
1980 { 1.234321234321234e16, "1.234321e+16" },
1981 { 1.234321234321234e17, "1.234321e+17" },
1982 { 1.234321234321234e18, "1.234321e+18" },
1983 { 1.234321234321234e19, "1.234321e+19" },
1984 { 1.234321234321234e20, "1.234321e+20" },
1985 { 1.234321234321234e21, "1.234321e+21" },
1986 { 1.234321234321234e22, "1.234321e+22" },
1987 { 1.234321234321234e23, "1.234321e+23" },
1988 { 1.234321234321234e24, "1.234321e+24" },
1989 { 1.234321234321234e25, "1.234321e+25" },
1990 { 1.234321234321234e26, "1.234321e+26" },
1991 { 1.234321234321234e27, "1.234321e+27" },
1992 { 1.234321234321234e28, "1.234321e+28" },
1993 { 1.234321234321234e29, "1.234321e+29" },
1994 { 1.234321234321234e30, "1.234321e+30" },
1995 { 1.234321234321234e31, "1.234321e+31" },
1996 { 1.234321234321234e32, "1.234321e+32" },
1997 { 1.234321234321234e33, "1.234321e+33" },
1998 { 1.234321234321234e34, "1.234321e+34" },
1999 { 1.234321234321234e35, "1.234321e+35" },
2000 { 1.234321234321234e36, "1.234321e+36" }
2003 for (k = 0; k < SIZEOF (data); k++)
2007 my_asnprintf (NULL, &length, "%e", data[k].value);
2008 const char *expected = data[k].string;
2009 ASSERT (result != NULL);
2010 ASSERT (strcmp (result, expected) == 0
2011 /* Some implementations produce exponents with 3 digits. */
2012 || (strlen (result) == strlen (expected) + 1
2013 && memcmp (result, expected, strlen (expected) - 2) == 0
2014 && result[strlen (expected) - 2] == '0'
2015 && strcmp (result + strlen (expected) - 1,
2016 expected + strlen (expected) - 2)
2018 ASSERT (length == strlen (result));
2023 { /* A negative number. */
2026 my_asnprintf (NULL, &length, "%e %d", -0.03125, 33, 44, 55);
2027 ASSERT (result != NULL);
2028 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2029 || strcmp (result, "-3.125000e-002 33") == 0);
2030 ASSERT (length == strlen (result));
2034 { /* Positive zero. */
2037 my_asnprintf (NULL, &length, "%e %d", 0.0, 33, 44, 55);
2038 ASSERT (result != NULL);
2039 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2040 || strcmp (result, "0.000000e+000 33") == 0);
2041 ASSERT (length == strlen (result));
2045 { /* Negative zero. */
2048 my_asnprintf (NULL, &length, "%e %d", -zerod, 33, 44, 55);
2049 ASSERT (result != NULL);
2050 if (have_minus_zero ())
2051 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2052 || strcmp (result, "-0.000000e+000 33") == 0);
2053 ASSERT (length == strlen (result));
2057 { /* Positive infinity. */
2060 my_asnprintf (NULL, &length, "%e %d", 1.0 / 0.0, 33, 44, 55);
2061 ASSERT (result != NULL);
2062 ASSERT (strcmp (result, "inf 33") == 0
2063 || strcmp (result, "infinity 33") == 0);
2064 ASSERT (length == strlen (result));
2068 { /* Negative infinity. */
2071 my_asnprintf (NULL, &length, "%e %d", -1.0 / 0.0, 33, 44, 55);
2072 ASSERT (result != NULL);
2073 ASSERT (strcmp (result, "-inf 33") == 0
2074 || strcmp (result, "-infinity 33") == 0);
2075 ASSERT (length == strlen (result));
2082 my_asnprintf (NULL, &length, "%e %d", NaNd (), 33, 44, 55);
2083 ASSERT (result != NULL);
2084 ASSERT (strlen (result) >= 3 + 3
2085 && strisnan (result, 0, strlen (result) - 3, 0)
2086 && strcmp (result + strlen (result) - 3, " 33") == 0);
2087 ASSERT (length == strlen (result));
2094 my_asnprintf (NULL, &length, "%15e %d", 1.75, 33, 44, 55);
2095 ASSERT (result != NULL);
2096 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2097 || strcmp (result, " 1.750000e+000 33") == 0);
2098 ASSERT (length == strlen (result));
2105 my_asnprintf (NULL, &length, "%-15e %d", 1.75, 33, 44, 55);
2106 ASSERT (result != NULL);
2107 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2108 || strcmp (result, "1.750000e+000 33") == 0);
2109 ASSERT (length == strlen (result));
2113 { /* FLAG_SHOWSIGN. */
2116 my_asnprintf (NULL, &length, "%+e %d", 1.75, 33, 44, 55);
2117 ASSERT (result != NULL);
2118 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2119 || strcmp (result, "+1.750000e+000 33") == 0);
2120 ASSERT (length == strlen (result));
2127 my_asnprintf (NULL, &length, "% e %d", 1.75, 33, 44, 55);
2128 ASSERT (result != NULL);
2129 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2130 || strcmp (result, " 1.750000e+000 33") == 0);
2131 ASSERT (length == strlen (result));
2138 my_asnprintf (NULL, &length, "%#e %d", 1.75, 33, 44, 55);
2139 ASSERT (result != NULL);
2140 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2141 || strcmp (result, "1.750000e+000 33") == 0);
2142 ASSERT (length == strlen (result));
2149 my_asnprintf (NULL, &length, "%#.e %d", 1.75, 33, 44, 55);
2150 ASSERT (result != NULL);
2151 ASSERT (strcmp (result, "2.e+00 33") == 0
2152 || strcmp (result, "2.e+000 33") == 0);
2153 ASSERT (length == strlen (result));
2160 my_asnprintf (NULL, &length, "%#.e %d", 9.75, 33, 44, 55);
2161 ASSERT (result != NULL);
2162 ASSERT (strcmp (result, "1.e+01 33") == 0
2163 || strcmp (result, "1.e+001 33") == 0);
2164 ASSERT (length == strlen (result));
2168 { /* FLAG_ZERO with finite number. */
2171 my_asnprintf (NULL, &length, "%015e %d", 1234.0, 33, 44, 55);
2172 ASSERT (result != NULL);
2173 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2174 || strcmp (result, "001.234000e+003 33") == 0);
2175 ASSERT (length == strlen (result));
2179 { /* FLAG_ZERO with infinite number. */
2182 my_asnprintf (NULL, &length, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2183 ASSERT (result != NULL);
2184 ASSERT (strcmp (result, " -inf 33") == 0
2185 || strcmp (result, " -infinity 33") == 0);
2186 ASSERT (length == strlen (result));
2190 { /* FLAG_ZERO with NaN. */
2193 my_asnprintf (NULL, &length, "%050e %d", NaNd (), 33, 44, 55);
2194 ASSERT (result != NULL);
2195 ASSERT (strlen (result) == 50 + 3
2196 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2197 && strcmp (result + strlen (result) - 3, " 33") == 0);
2198 ASSERT (length == strlen (result));
2205 my_asnprintf (NULL, &length, "%.e %d", 1234.0, 33, 44, 55);
2206 ASSERT (result != NULL);
2207 ASSERT (strcmp (result, "1e+03 33") == 0
2208 || strcmp (result, "1e+003 33") == 0);
2209 ASSERT (length == strlen (result));
2213 { /* Precision with no rounding. */
2216 my_asnprintf (NULL, &length, "%.4e %d", 999.951, 33, 44, 55);
2217 ASSERT (result != NULL);
2218 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2219 || strcmp (result, "9.9995e+002 33") == 0);
2220 ASSERT (length == strlen (result));
2224 { /* Precision with rounding. */
2227 my_asnprintf (NULL, &length, "%.4e %d", 999.996, 33, 44, 55);
2228 ASSERT (result != NULL);
2229 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2230 || strcmp (result, "1.0000e+003 33") == 0);
2231 ASSERT (length == strlen (result));
2235 { /* A positive number. */
2238 my_asnprintf (NULL, &length, "%Le %d", 12.75L, 33, 44, 55);
2239 ASSERT (result != NULL);
2240 ASSERT (strcmp (result, "1.275000e+01 33") == 0
2241 || strcmp (result, "1.275000e+001 33") == 0);
2242 ASSERT (length == strlen (result));
2246 { /* A larger positive number. */
2249 my_asnprintf (NULL, &length, "%Le %d", 1234567.0L, 33, 44, 55);
2250 ASSERT (result != NULL);
2251 ASSERT (strcmp (result, "1.234567e+06 33") == 0
2252 || strcmp (result, "1.234567e+006 33") == 0);
2253 ASSERT (length == strlen (result));
2257 { /* Small and large positive numbers. */
2258 static struct { long double value; const char *string; } data[] =
2260 { 1.234321234321234e-37L, "1.234321e-37" },
2261 { 1.234321234321234e-36L, "1.234321e-36" },
2262 { 1.234321234321234e-35L, "1.234321e-35" },
2263 { 1.234321234321234e-34L, "1.234321e-34" },
2264 { 1.234321234321234e-33L, "1.234321e-33" },
2265 { 1.234321234321234e-32L, "1.234321e-32" },
2266 { 1.234321234321234e-31L, "1.234321e-31" },
2267 { 1.234321234321234e-30L, "1.234321e-30" },
2268 { 1.234321234321234e-29L, "1.234321e-29" },
2269 { 1.234321234321234e-28L, "1.234321e-28" },
2270 { 1.234321234321234e-27L, "1.234321e-27" },
2271 { 1.234321234321234e-26L, "1.234321e-26" },
2272 { 1.234321234321234e-25L, "1.234321e-25" },
2273 { 1.234321234321234e-24L, "1.234321e-24" },
2274 { 1.234321234321234e-23L, "1.234321e-23" },
2275 { 1.234321234321234e-22L, "1.234321e-22" },
2276 { 1.234321234321234e-21L, "1.234321e-21" },
2277 { 1.234321234321234e-20L, "1.234321e-20" },
2278 { 1.234321234321234e-19L, "1.234321e-19" },
2279 { 1.234321234321234e-18L, "1.234321e-18" },
2280 { 1.234321234321234e-17L, "1.234321e-17" },
2281 { 1.234321234321234e-16L, "1.234321e-16" },
2282 { 1.234321234321234e-15L, "1.234321e-15" },
2283 { 1.234321234321234e-14L, "1.234321e-14" },
2284 { 1.234321234321234e-13L, "1.234321e-13" },
2285 { 1.234321234321234e-12L, "1.234321e-12" },
2286 { 1.234321234321234e-11L, "1.234321e-11" },
2287 { 1.234321234321234e-10L, "1.234321e-10" },
2288 { 1.234321234321234e-9L, "1.234321e-09" },
2289 { 1.234321234321234e-8L, "1.234321e-08" },
2290 { 1.234321234321234e-7L, "1.234321e-07" },
2291 { 1.234321234321234e-6L, "1.234321e-06" },
2292 { 1.234321234321234e-5L, "1.234321e-05" },
2293 { 1.234321234321234e-4L, "1.234321e-04" },
2294 { 1.234321234321234e-3L, "1.234321e-03" },
2295 { 1.234321234321234e-2L, "1.234321e-02" },
2296 { 1.234321234321234e-1L, "1.234321e-01" },
2297 { 1.234321234321234L, "1.234321e+00" },
2298 { 1.234321234321234e1L, "1.234321e+01" },
2299 { 1.234321234321234e2L, "1.234321e+02" },
2300 { 1.234321234321234e3L, "1.234321e+03" },
2301 { 1.234321234321234e4L, "1.234321e+04" },
2302 { 1.234321234321234e5L, "1.234321e+05" },
2303 { 1.234321234321234e6L, "1.234321e+06" },
2304 { 1.234321234321234e7L, "1.234321e+07" },
2305 { 1.234321234321234e8L, "1.234321e+08" },
2306 { 1.234321234321234e9L, "1.234321e+09" },
2307 { 1.234321234321234e10L, "1.234321e+10" },
2308 { 1.234321234321234e11L, "1.234321e+11" },
2309 { 1.234321234321234e12L, "1.234321e+12" },
2310 { 1.234321234321234e13L, "1.234321e+13" },
2311 { 1.234321234321234e14L, "1.234321e+14" },
2312 { 1.234321234321234e15L, "1.234321e+15" },
2313 { 1.234321234321234e16L, "1.234321e+16" },
2314 { 1.234321234321234e17L, "1.234321e+17" },
2315 { 1.234321234321234e18L, "1.234321e+18" },
2316 { 1.234321234321234e19L, "1.234321e+19" },
2317 { 1.234321234321234e20L, "1.234321e+20" },
2318 { 1.234321234321234e21L, "1.234321e+21" },
2319 { 1.234321234321234e22L, "1.234321e+22" },
2320 { 1.234321234321234e23L, "1.234321e+23" },
2321 { 1.234321234321234e24L, "1.234321e+24" },
2322 { 1.234321234321234e25L, "1.234321e+25" },
2323 { 1.234321234321234e26L, "1.234321e+26" },
2324 { 1.234321234321234e27L, "1.234321e+27" },
2325 { 1.234321234321234e28L, "1.234321e+28" },
2326 { 1.234321234321234e29L, "1.234321e+29" },
2327 { 1.234321234321234e30L, "1.234321e+30" },
2328 { 1.234321234321234e31L, "1.234321e+31" },
2329 { 1.234321234321234e32L, "1.234321e+32" },
2330 { 1.234321234321234e33L, "1.234321e+33" },
2331 { 1.234321234321234e34L, "1.234321e+34" },
2332 { 1.234321234321234e35L, "1.234321e+35" },
2333 { 1.234321234321234e36L, "1.234321e+36" }
2336 for (k = 0; k < SIZEOF (data); k++)
2340 my_asnprintf (NULL, &length, "%Le", data[k].value);
2341 const char *expected = data[k].string;
2342 ASSERT (result != NULL);
2343 ASSERT (strcmp (result, expected) == 0
2344 /* Some implementations produce exponents with 3 digits. */
2345 || (strlen (result) == strlen (expected) + 1
2346 && memcmp (result, expected, strlen (expected) - 2) == 0
2347 && result[strlen (expected) - 2] == '0'
2348 && strcmp (result + strlen (expected) - 1,
2349 expected + strlen (expected) - 2)
2351 ASSERT (length == strlen (result));
2356 { /* A negative number. */
2359 my_asnprintf (NULL, &length, "%Le %d", -0.03125L, 33, 44, 55);
2360 ASSERT (result != NULL);
2361 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2362 || strcmp (result, "-3.125000e-002 33") == 0);
2363 ASSERT (length == strlen (result));
2367 { /* Positive zero. */
2370 my_asnprintf (NULL, &length, "%Le %d", 0.0L, 33, 44, 55);
2371 ASSERT (result != NULL);
2372 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2373 || strcmp (result, "0.000000e+000 33") == 0);
2374 ASSERT (length == strlen (result));
2378 { /* Negative zero. */
2381 my_asnprintf (NULL, &length, "%Le %d", minus_zerol, 33, 44, 55);
2382 ASSERT (result != NULL);
2383 if (have_minus_zero ())
2384 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2385 || strcmp (result, "-0.000000e+000 33") == 0);
2386 ASSERT (length == strlen (result));
2390 { /* Positive infinity. */
2393 my_asnprintf (NULL, &length, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2394 ASSERT (result != NULL);
2395 ASSERT (strcmp (result, "inf 33") == 0
2396 || strcmp (result, "infinity 33") == 0);
2397 ASSERT (length == strlen (result));
2401 { /* Negative infinity. */
2404 my_asnprintf (NULL, &length, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2405 ASSERT (result != NULL);
2406 ASSERT (strcmp (result, "-inf 33") == 0
2407 || strcmp (result, "-infinity 33") == 0);
2408 ASSERT (length == strlen (result));
2415 my_asnprintf (NULL, &length, "%Le %d", NaNl (), 33, 44, 55);
2416 ASSERT (result != NULL);
2417 ASSERT (strlen (result) >= 3 + 3
2418 && strisnan (result, 0, strlen (result) - 3, 0)
2419 && strcmp (result + strlen (result) - 3, " 33") == 0);
2420 ASSERT (length == strlen (result));
2423 #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_))
2425 static union { unsigned int word[4]; long double value; } x =
2426 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2429 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2430 ASSERT (result != NULL);
2431 ASSERT (strlen (result) >= 3 + 3
2432 && strisnan (result, 0, strlen (result) - 3, 0)
2433 && strcmp (result + strlen (result) - 3, " 33") == 0);
2434 ASSERT (length == strlen (result));
2438 /* Signalling NaN. */
2439 static union { unsigned int word[4]; long double value; } x =
2440 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2443 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2444 ASSERT (result != NULL);
2445 ASSERT (strlen (result) >= 3 + 3
2446 && strisnan (result, 0, strlen (result) - 3, 0)
2447 && strcmp (result + strlen (result) - 3, " 33") == 0);
2448 ASSERT (length == strlen (result));
2451 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2452 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2453 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2454 Application Architecture.
2455 Table 5-2 "Floating-Point Register Encodings"
2456 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2459 static union { unsigned int word[4]; long double value; } x =
2460 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2463 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2464 ASSERT (result != NULL);
2465 ASSERT (strlen (result) >= 3 + 3
2466 && strisnan (result, 0, strlen (result) - 3, 0)
2467 && strcmp (result + strlen (result) - 3, " 33") == 0);
2468 ASSERT (length == strlen (result));
2471 { /* Pseudo-Infinity. */
2472 static union { unsigned int word[4]; long double value; } x =
2473 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2476 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2477 ASSERT (result != NULL);
2478 ASSERT (strlen (result) >= 3 + 3
2479 && strisnan (result, 0, strlen (result) - 3, 0)
2480 && strcmp (result + strlen (result) - 3, " 33") == 0);
2481 ASSERT (length == strlen (result));
2484 { /* Pseudo-Zero. */
2485 static union { unsigned int word[4]; long double value; } x =
2486 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2489 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2490 ASSERT (result != NULL);
2491 ASSERT (strlen (result) >= 3 + 3
2492 && strisnan (result, 0, strlen (result) - 3, 0)
2493 && strcmp (result + strlen (result) - 3, " 33") == 0);
2494 ASSERT (length == strlen (result));
2497 { /* Unnormalized number. */
2498 static union { unsigned int word[4]; long double value; } x =
2499 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2502 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2503 ASSERT (result != NULL);
2504 ASSERT (strlen (result) >= 3 + 3
2505 && strisnan (result, 0, strlen (result) - 3, 0)
2506 && strcmp (result + strlen (result) - 3, " 33") == 0);
2507 ASSERT (length == strlen (result));
2510 { /* Pseudo-Denormal. */
2511 static union { unsigned int word[4]; long double value; } x =
2512 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2515 my_asnprintf (NULL, &length, "%Le %d", x.value, 33, 44, 55);
2516 ASSERT (result != NULL);
2517 ASSERT (strlen (result) >= 3 + 3
2518 && strisnan (result, 0, strlen (result) - 3, 0)
2519 && strcmp (result + strlen (result) - 3, " 33") == 0);
2520 ASSERT (length == strlen (result));
2528 my_asnprintf (NULL, &length, "%15Le %d", 1.75L, 33, 44, 55);
2529 ASSERT (result != NULL);
2530 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2531 || strcmp (result, " 1.750000e+000 33") == 0);
2532 ASSERT (length == strlen (result));
2539 my_asnprintf (NULL, &length, "%-15Le %d", 1.75L, 33, 44, 55);
2540 ASSERT (result != NULL);
2541 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2542 || strcmp (result, "1.750000e+000 33") == 0);
2543 ASSERT (length == strlen (result));
2547 { /* FLAG_SHOWSIGN. */
2550 my_asnprintf (NULL, &length, "%+Le %d", 1.75L, 33, 44, 55);
2551 ASSERT (result != NULL);
2552 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2553 || strcmp (result, "+1.750000e+000 33") == 0);
2554 ASSERT (length == strlen (result));
2561 my_asnprintf (NULL, &length, "% Le %d", 1.75L, 33, 44, 55);
2562 ASSERT (result != NULL);
2563 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2564 || strcmp (result, " 1.750000e+000 33") == 0);
2565 ASSERT (length == strlen (result));
2572 my_asnprintf (NULL, &length, "%#Le %d", 1.75L, 33, 44, 55);
2573 ASSERT (result != NULL);
2574 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2575 || strcmp (result, "1.750000e+000 33") == 0);
2576 ASSERT (length == strlen (result));
2583 my_asnprintf (NULL, &length, "%#.Le %d", 1.75L, 33, 44, 55);
2584 ASSERT (result != NULL);
2585 ASSERT (strcmp (result, "2.e+00 33") == 0
2586 || strcmp (result, "2.e+000 33") == 0);
2587 ASSERT (length == strlen (result));
2594 my_asnprintf (NULL, &length, "%#.Le %d", 9.75L, 33, 44, 55);
2595 ASSERT (result != NULL);
2596 ASSERT (strcmp (result, "1.e+01 33") == 0
2597 || strcmp (result, "1.e+001 33") == 0);
2598 ASSERT (length == strlen (result));
2602 { /* FLAG_ZERO with finite number. */
2605 my_asnprintf (NULL, &length, "%015Le %d", 1234.0L, 33, 44, 55);
2606 ASSERT (result != NULL);
2607 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2608 || strcmp (result, "001.234000e+003 33") == 0);
2609 ASSERT (length == strlen (result));
2613 { /* FLAG_ZERO with infinite number. */
2616 my_asnprintf (NULL, &length, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2617 ASSERT (result != NULL);
2618 ASSERT (strcmp (result, " -inf 33") == 0
2619 || strcmp (result, " -infinity 33") == 0);
2620 ASSERT (length == strlen (result));
2624 { /* FLAG_ZERO with NaN. */
2627 my_asnprintf (NULL, &length, "%050Le %d", NaNl (), 33, 44, 55);
2628 ASSERT (result != NULL);
2629 ASSERT (strlen (result) == 50 + 3
2630 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2631 && strcmp (result + strlen (result) - 3, " 33") == 0);
2632 ASSERT (length == strlen (result));
2639 my_asnprintf (NULL, &length, "%.Le %d", 1234.0L, 33, 44, 55);
2640 ASSERT (result != NULL);
2641 ASSERT (strcmp (result, "1e+03 33") == 0
2642 || strcmp (result, "1e+003 33") == 0);
2643 ASSERT (length == strlen (result));
2647 { /* Precision with no rounding. */
2650 my_asnprintf (NULL, &length, "%.4Le %d", 999.951L, 33, 44, 55);
2651 ASSERT (result != NULL);
2652 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2653 || strcmp (result, "9.9995e+002 33") == 0);
2654 ASSERT (length == strlen (result));
2658 { /* Precision with rounding. */
2661 my_asnprintf (NULL, &length, "%.4Le %d", 999.996L, 33, 44, 55);
2662 ASSERT (result != NULL);
2663 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2664 || strcmp (result, "1.0000e+003 33") == 0);
2665 ASSERT (length == strlen (result));
2669 /* Test the support of the %g format directive. */
2671 { /* A positive number. */
2674 my_asnprintf (NULL, &length, "%g %d", 12.75, 33, 44, 55);
2675 ASSERT (result != NULL);
2676 ASSERT (strcmp (result, "12.75 33") == 0);
2677 ASSERT (length == strlen (result));
2681 { /* A larger positive number. */
2684 my_asnprintf (NULL, &length, "%g %d", 1234567.0, 33, 44, 55);
2685 ASSERT (result != NULL);
2686 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2687 || strcmp (result, "1.23457e+006 33") == 0);
2688 ASSERT (length == strlen (result));
2692 { /* Small and large positive numbers. */
2693 static struct { double value; const char *string; } data[] =
2695 { 1.234321234321234e-37, "1.23432e-37" },
2696 { 1.234321234321234e-36, "1.23432e-36" },
2697 { 1.234321234321234e-35, "1.23432e-35" },
2698 { 1.234321234321234e-34, "1.23432e-34" },
2699 { 1.234321234321234e-33, "1.23432e-33" },
2700 { 1.234321234321234e-32, "1.23432e-32" },
2701 { 1.234321234321234e-31, "1.23432e-31" },
2702 { 1.234321234321234e-30, "1.23432e-30" },
2703 { 1.234321234321234e-29, "1.23432e-29" },
2704 { 1.234321234321234e-28, "1.23432e-28" },
2705 { 1.234321234321234e-27, "1.23432e-27" },
2706 { 1.234321234321234e-26, "1.23432e-26" },
2707 { 1.234321234321234e-25, "1.23432e-25" },
2708 { 1.234321234321234e-24, "1.23432e-24" },
2709 { 1.234321234321234e-23, "1.23432e-23" },
2710 { 1.234321234321234e-22, "1.23432e-22" },
2711 { 1.234321234321234e-21, "1.23432e-21" },
2712 { 1.234321234321234e-20, "1.23432e-20" },
2713 { 1.234321234321234e-19, "1.23432e-19" },
2714 { 1.234321234321234e-18, "1.23432e-18" },
2715 { 1.234321234321234e-17, "1.23432e-17" },
2716 { 1.234321234321234e-16, "1.23432e-16" },
2717 { 1.234321234321234e-15, "1.23432e-15" },
2718 { 1.234321234321234e-14, "1.23432e-14" },
2719 { 1.234321234321234e-13, "1.23432e-13" },
2720 { 1.234321234321234e-12, "1.23432e-12" },
2721 { 1.234321234321234e-11, "1.23432e-11" },
2722 { 1.234321234321234e-10, "1.23432e-10" },
2723 { 1.234321234321234e-9, "1.23432e-09" },
2724 { 1.234321234321234e-8, "1.23432e-08" },
2725 { 1.234321234321234e-7, "1.23432e-07" },
2726 { 1.234321234321234e-6, "1.23432e-06" },
2727 { 1.234321234321234e-5, "1.23432e-05" },
2728 { 1.234321234321234e-4, "0.000123432" },
2729 { 1.234321234321234e-3, "0.00123432" },
2730 { 1.234321234321234e-2, "0.0123432" },
2731 { 1.234321234321234e-1, "0.123432" },
2732 { 1.234321234321234, "1.23432" },
2733 { 1.234321234321234e1, "12.3432" },
2734 { 1.234321234321234e2, "123.432" },
2735 { 1.234321234321234e3, "1234.32" },
2736 { 1.234321234321234e4, "12343.2" },
2737 { 1.234321234321234e5, "123432" },
2738 { 1.234321234321234e6, "1.23432e+06" },
2739 { 1.234321234321234e7, "1.23432e+07" },
2740 { 1.234321234321234e8, "1.23432e+08" },
2741 { 1.234321234321234e9, "1.23432e+09" },
2742 { 1.234321234321234e10, "1.23432e+10" },
2743 { 1.234321234321234e11, "1.23432e+11" },
2744 { 1.234321234321234e12, "1.23432e+12" },
2745 { 1.234321234321234e13, "1.23432e+13" },
2746 { 1.234321234321234e14, "1.23432e+14" },
2747 { 1.234321234321234e15, "1.23432e+15" },
2748 { 1.234321234321234e16, "1.23432e+16" },
2749 { 1.234321234321234e17, "1.23432e+17" },
2750 { 1.234321234321234e18, "1.23432e+18" },
2751 { 1.234321234321234e19, "1.23432e+19" },
2752 { 1.234321234321234e20, "1.23432e+20" },
2753 { 1.234321234321234e21, "1.23432e+21" },
2754 { 1.234321234321234e22, "1.23432e+22" },
2755 { 1.234321234321234e23, "1.23432e+23" },
2756 { 1.234321234321234e24, "1.23432e+24" },
2757 { 1.234321234321234e25, "1.23432e+25" },
2758 { 1.234321234321234e26, "1.23432e+26" },
2759 { 1.234321234321234e27, "1.23432e+27" },
2760 { 1.234321234321234e28, "1.23432e+28" },
2761 { 1.234321234321234e29, "1.23432e+29" },
2762 { 1.234321234321234e30, "1.23432e+30" },
2763 { 1.234321234321234e31, "1.23432e+31" },
2764 { 1.234321234321234e32, "1.23432e+32" },
2765 { 1.234321234321234e33, "1.23432e+33" },
2766 { 1.234321234321234e34, "1.23432e+34" },
2767 { 1.234321234321234e35, "1.23432e+35" },
2768 { 1.234321234321234e36, "1.23432e+36" }
2771 for (k = 0; k < SIZEOF (data); k++)
2775 my_asnprintf (NULL, &length, "%g", data[k].value);
2776 const char *expected = data[k].string;
2777 ASSERT (result != NULL);
2778 ASSERT (strcmp (result, expected) == 0
2779 /* Some implementations produce exponents with 3 digits. */
2780 || (expected[strlen (expected) - 4] == 'e'
2781 && strlen (result) == strlen (expected) + 1
2782 && memcmp (result, expected, strlen (expected) - 2) == 0
2783 && result[strlen (expected) - 2] == '0'
2784 && strcmp (result + strlen (expected) - 1,
2785 expected + strlen (expected) - 2)
2787 ASSERT (length == strlen (result));
2792 { /* A negative number. */
2795 my_asnprintf (NULL, &length, "%g %d", -0.03125, 33, 44, 55);
2796 ASSERT (result != NULL);
2797 ASSERT (strcmp (result, "-0.03125 33") == 0);
2798 ASSERT (length == strlen (result));
2802 { /* Positive zero. */
2805 my_asnprintf (NULL, &length, "%g %d", 0.0, 33, 44, 55);
2806 ASSERT (result != NULL);
2807 ASSERT (strcmp (result, "0 33") == 0);
2808 ASSERT (length == strlen (result));
2812 { /* Negative zero. */
2815 my_asnprintf (NULL, &length, "%g %d", -zerod, 33, 44, 55);
2816 ASSERT (result != NULL);
2817 if (have_minus_zero ())
2818 ASSERT (strcmp (result, "-0 33") == 0);
2819 ASSERT (length == strlen (result));
2823 { /* Positive infinity. */
2826 my_asnprintf (NULL, &length, "%g %d", 1.0 / 0.0, 33, 44, 55);
2827 ASSERT (result != NULL);
2828 ASSERT (strcmp (result, "inf 33") == 0
2829 || strcmp (result, "infinity 33") == 0);
2830 ASSERT (length == strlen (result));
2834 { /* Negative infinity. */
2837 my_asnprintf (NULL, &length, "%g %d", -1.0 / 0.0, 33, 44, 55);
2838 ASSERT (result != NULL);
2839 ASSERT (strcmp (result, "-inf 33") == 0
2840 || strcmp (result, "-infinity 33") == 0);
2841 ASSERT (length == strlen (result));
2848 my_asnprintf (NULL, &length, "%g %d", NaNd (), 33, 44, 55);
2849 ASSERT (result != NULL);
2850 ASSERT (strlen (result) >= 3 + 3
2851 && strisnan (result, 0, strlen (result) - 3, 0)
2852 && strcmp (result + strlen (result) - 3, " 33") == 0);
2853 ASSERT (length == strlen (result));
2860 my_asnprintf (NULL, &length, "%10g %d", 1.75, 33, 44, 55);
2861 ASSERT (result != NULL);
2862 ASSERT (strcmp (result, " 1.75 33") == 0);
2863 ASSERT (length == strlen (result));
2870 my_asnprintf (NULL, &length, "%-10g %d", 1.75, 33, 44, 55);
2871 ASSERT (result != NULL);
2872 ASSERT (strcmp (result, "1.75 33") == 0);
2873 ASSERT (length == strlen (result));
2877 { /* FLAG_SHOWSIGN. */
2880 my_asnprintf (NULL, &length, "%+g %d", 1.75, 33, 44, 55);
2881 ASSERT (result != NULL);
2882 ASSERT (strcmp (result, "+1.75 33") == 0);
2883 ASSERT (length == strlen (result));
2890 my_asnprintf (NULL, &length, "% g %d", 1.75, 33, 44, 55);
2891 ASSERT (result != NULL);
2892 ASSERT (strcmp (result, " 1.75 33") == 0);
2893 ASSERT (length == strlen (result));
2900 my_asnprintf (NULL, &length, "%#g %d", 1.75, 33, 44, 55);
2901 ASSERT (result != NULL);
2902 ASSERT (strcmp (result, "1.75000 33") == 0);
2903 ASSERT (length == strlen (result));
2910 my_asnprintf (NULL, &length, "%#.g %d", 1.75, 33, 44, 55);
2911 ASSERT (result != NULL);
2912 ASSERT (strcmp (result, "2. 33") == 0);
2913 ASSERT (length == strlen (result));
2920 my_asnprintf (NULL, &length, "%#.g %d", 9.75, 33, 44, 55);
2921 ASSERT (result != NULL);
2922 ASSERT (strcmp (result, "1.e+01 33") == 0
2923 || strcmp (result, "1.e+001 33") == 0);
2924 ASSERT (length == strlen (result));
2928 { /* FLAG_ZERO with finite number. */
2931 my_asnprintf (NULL, &length, "%010g %d", 1234.0, 33, 44, 55);
2932 ASSERT (result != NULL);
2933 ASSERT (strcmp (result, "0000001234 33") == 0);
2934 ASSERT (length == strlen (result));
2938 { /* FLAG_ZERO with infinite number. */
2941 my_asnprintf (NULL, &length, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2942 ASSERT (result != NULL);
2943 ASSERT (strcmp (result, " -inf 33") == 0
2944 || strcmp (result, " -infinity 33") == 0);
2945 ASSERT (length == strlen (result));
2949 { /* FLAG_ZERO with NaN. */
2952 my_asnprintf (NULL, &length, "%050g %d", NaNd (), 33, 44, 55);
2953 ASSERT (result != NULL);
2954 ASSERT (strlen (result) == 50 + 3
2955 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2956 && strcmp (result + strlen (result) - 3, " 33") == 0);
2957 ASSERT (length == strlen (result));
2964 my_asnprintf (NULL, &length, "%.g %d", 1234.0, 33, 44, 55);
2965 ASSERT (result != NULL);
2966 ASSERT (strcmp (result, "1e+03 33") == 0
2967 || strcmp (result, "1e+003 33") == 0);
2968 ASSERT (length == strlen (result));
2972 { /* Precision with no rounding. */
2975 my_asnprintf (NULL, &length, "%.5g %d", 999.951, 33, 44, 55);
2976 ASSERT (result != NULL);
2977 ASSERT (strcmp (result, "999.95 33") == 0);
2978 ASSERT (length == strlen (result));
2982 { /* Precision with rounding. */
2985 my_asnprintf (NULL, &length, "%.5g %d", 999.996, 33, 44, 55);
2986 ASSERT (result != NULL);
2987 ASSERT (strcmp (result, "1000 33") == 0);
2988 ASSERT (length == strlen (result));
2992 { /* A positive number. */
2995 my_asnprintf (NULL, &length, "%Lg %d", 12.75L, 33, 44, 55);
2996 ASSERT (result != NULL);
2997 ASSERT (strcmp (result, "12.75 33") == 0);
2998 ASSERT (length == strlen (result));
3002 { /* A larger positive number. */
3005 my_asnprintf (NULL, &length, "%Lg %d", 1234567.0L, 33, 44, 55);
3006 ASSERT (result != NULL);
3007 ASSERT (strcmp (result, "1.23457e+06 33") == 0
3008 || strcmp (result, "1.23457e+006 33") == 0);
3009 ASSERT (length == strlen (result));
3013 { /* Small and large positive numbers. */
3014 static struct { long double value; const char *string; } data[] =
3016 { 1.234321234321234e-37L, "1.23432e-37" },
3017 { 1.234321234321234e-36L, "1.23432e-36" },
3018 { 1.234321234321234e-35L, "1.23432e-35" },
3019 { 1.234321234321234e-34L, "1.23432e-34" },
3020 { 1.234321234321234e-33L, "1.23432e-33" },
3021 { 1.234321234321234e-32L, "1.23432e-32" },
3022 { 1.234321234321234e-31L, "1.23432e-31" },
3023 { 1.234321234321234e-30L, "1.23432e-30" },
3024 { 1.234321234321234e-29L, "1.23432e-29" },
3025 { 1.234321234321234e-28L, "1.23432e-28" },
3026 { 1.234321234321234e-27L, "1.23432e-27" },
3027 { 1.234321234321234e-26L, "1.23432e-26" },
3028 { 1.234321234321234e-25L, "1.23432e-25" },
3029 { 1.234321234321234e-24L, "1.23432e-24" },
3030 { 1.234321234321234e-23L, "1.23432e-23" },
3031 { 1.234321234321234e-22L, "1.23432e-22" },
3032 { 1.234321234321234e-21L, "1.23432e-21" },
3033 { 1.234321234321234e-20L, "1.23432e-20" },
3034 { 1.234321234321234e-19L, "1.23432e-19" },
3035 { 1.234321234321234e-18L, "1.23432e-18" },
3036 { 1.234321234321234e-17L, "1.23432e-17" },
3037 { 1.234321234321234e-16L, "1.23432e-16" },
3038 { 1.234321234321234e-15L, "1.23432e-15" },
3039 { 1.234321234321234e-14L, "1.23432e-14" },
3040 { 1.234321234321234e-13L, "1.23432e-13" },
3041 { 1.234321234321234e-12L, "1.23432e-12" },
3042 { 1.234321234321234e-11L, "1.23432e-11" },
3043 { 1.234321234321234e-10L, "1.23432e-10" },
3044 { 1.234321234321234e-9L, "1.23432e-09" },
3045 { 1.234321234321234e-8L, "1.23432e-08" },
3046 { 1.234321234321234e-7L, "1.23432e-07" },
3047 { 1.234321234321234e-6L, "1.23432e-06" },
3048 { 1.234321234321234e-5L, "1.23432e-05" },
3049 { 1.234321234321234e-4L, "0.000123432" },
3050 { 1.234321234321234e-3L, "0.00123432" },
3051 { 1.234321234321234e-2L, "0.0123432" },
3052 { 1.234321234321234e-1L, "0.123432" },
3053 { 1.234321234321234L, "1.23432" },
3054 { 1.234321234321234e1L, "12.3432" },
3055 { 1.234321234321234e2L, "123.432" },
3056 { 1.234321234321234e3L, "1234.32" },
3057 { 1.234321234321234e4L, "12343.2" },
3058 { 1.234321234321234e5L, "123432" },
3059 { 1.234321234321234e6L, "1.23432e+06" },
3060 { 1.234321234321234e7L, "1.23432e+07" },
3061 { 1.234321234321234e8L, "1.23432e+08" },
3062 { 1.234321234321234e9L, "1.23432e+09" },
3063 { 1.234321234321234e10L, "1.23432e+10" },
3064 { 1.234321234321234e11L, "1.23432e+11" },
3065 { 1.234321234321234e12L, "1.23432e+12" },
3066 { 1.234321234321234e13L, "1.23432e+13" },
3067 { 1.234321234321234e14L, "1.23432e+14" },
3068 { 1.234321234321234e15L, "1.23432e+15" },
3069 { 1.234321234321234e16L, "1.23432e+16" },
3070 { 1.234321234321234e17L, "1.23432e+17" },
3071 { 1.234321234321234e18L, "1.23432e+18" },
3072 { 1.234321234321234e19L, "1.23432e+19" },
3073 { 1.234321234321234e20L, "1.23432e+20" },
3074 { 1.234321234321234e21L, "1.23432e+21" },
3075 { 1.234321234321234e22L, "1.23432e+22" },
3076 { 1.234321234321234e23L, "1.23432e+23" },
3077 { 1.234321234321234e24L, "1.23432e+24" },
3078 { 1.234321234321234e25L, "1.23432e+25" },
3079 { 1.234321234321234e26L, "1.23432e+26" },
3080 { 1.234321234321234e27L, "1.23432e+27" },
3081 { 1.234321234321234e28L, "1.23432e+28" },
3082 { 1.234321234321234e29L, "1.23432e+29" },
3083 { 1.234321234321234e30L, "1.23432e+30" },
3084 { 1.234321234321234e31L, "1.23432e+31" },
3085 { 1.234321234321234e32L, "1.23432e+32" },
3086 { 1.234321234321234e33L, "1.23432e+33" },
3087 { 1.234321234321234e34L, "1.23432e+34" },
3088 { 1.234321234321234e35L, "1.23432e+35" },
3089 { 1.234321234321234e36L, "1.23432e+36" }
3092 for (k = 0; k < SIZEOF (data); k++)
3096 my_asnprintf (NULL, &length, "%Lg", data[k].value);
3097 const char *expected = data[k].string;
3098 ASSERT (result != NULL);
3099 ASSERT (strcmp (result, expected) == 0
3100 /* Some implementations produce exponents with 3 digits. */
3101 || (expected[strlen (expected) - 4] == 'e'
3102 && strlen (result) == strlen (expected) + 1
3103 && memcmp (result, expected, strlen (expected) - 2) == 0
3104 && result[strlen (expected) - 2] == '0'
3105 && strcmp (result + strlen (expected) - 1,
3106 expected + strlen (expected) - 2)
3108 ASSERT (length == strlen (result));
3113 { /* A negative number. */
3116 my_asnprintf (NULL, &length, "%Lg %d", -0.03125L, 33, 44, 55);
3117 ASSERT (result != NULL);
3118 ASSERT (strcmp (result, "-0.03125 33") == 0);
3119 ASSERT (length == strlen (result));
3123 { /* Positive zero. */
3126 my_asnprintf (NULL, &length, "%Lg %d", 0.0L, 33, 44, 55);
3127 ASSERT (result != NULL);
3128 ASSERT (strcmp (result, "0 33") == 0);
3129 ASSERT (length == strlen (result));
3133 { /* Negative zero. */
3136 my_asnprintf (NULL, &length, "%Lg %d", minus_zerol, 33, 44, 55);
3137 ASSERT (result != NULL);
3138 if (have_minus_zero ())
3139 ASSERT (strcmp (result, "-0 33") == 0);
3140 ASSERT (length == strlen (result));
3144 { /* Positive infinity. */
3147 my_asnprintf (NULL, &length, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
3148 ASSERT (result != NULL);
3149 ASSERT (strcmp (result, "inf 33") == 0
3150 || strcmp (result, "infinity 33") == 0);
3151 ASSERT (length == strlen (result));
3155 { /* Negative infinity. */
3158 my_asnprintf (NULL, &length, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
3159 ASSERT (result != NULL);
3160 ASSERT (strcmp (result, "-inf 33") == 0
3161 || strcmp (result, "-infinity 33") == 0);
3162 ASSERT (length == strlen (result));
3169 my_asnprintf (NULL, &length, "%Lg %d", NaNl (), 33, 44, 55);
3170 ASSERT (result != NULL);
3171 ASSERT (strlen (result) >= 3 + 3
3172 && strisnan (result, 0, strlen (result) - 3, 0)
3173 && strcmp (result + strlen (result) - 3, " 33") == 0);
3174 ASSERT (length == strlen (result));
3177 #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_))
3179 static union { unsigned int word[4]; long double value; } x =
3180 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
3183 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3184 ASSERT (result != NULL);
3185 ASSERT (strlen (result) >= 3 + 3
3186 && strisnan (result, 0, strlen (result) - 3, 0)
3187 && strcmp (result + strlen (result) - 3, " 33") == 0);
3188 ASSERT (length == strlen (result));
3192 /* Signalling NaN. */
3193 static union { unsigned int word[4]; long double value; } x =
3194 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3197 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3198 ASSERT (result != NULL);
3199 ASSERT (strlen (result) >= 3 + 3
3200 && strisnan (result, 0, strlen (result) - 3, 0)
3201 && strcmp (result + strlen (result) - 3, " 33") == 0);
3202 ASSERT (length == strlen (result));
3205 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3206 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3207 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3208 Application Architecture.
3209 Table 5-2 "Floating-Point Register Encodings"
3210 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3213 static union { unsigned int word[4]; long double value; } x =
3214 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3217 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3218 ASSERT (result != NULL);
3219 ASSERT (strlen (result) >= 3 + 3
3220 && strisnan (result, 0, strlen (result) - 3, 0)
3221 && strcmp (result + strlen (result) - 3, " 33") == 0);
3222 ASSERT (length == strlen (result));
3225 { /* Pseudo-Infinity. */
3226 static union { unsigned int word[4]; long double value; } x =
3227 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3230 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3231 ASSERT (result != NULL);
3232 ASSERT (strlen (result) >= 3 + 3
3233 && strisnan (result, 0, strlen (result) - 3, 0)
3234 && strcmp (result + strlen (result) - 3, " 33") == 0);
3235 ASSERT (length == strlen (result));
3238 { /* Pseudo-Zero. */
3239 static union { unsigned int word[4]; long double value; } x =
3240 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3243 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3244 ASSERT (result != NULL);
3245 ASSERT (strlen (result) >= 3 + 3
3246 && strisnan (result, 0, strlen (result) - 3, 0)
3247 && strcmp (result + strlen (result) - 3, " 33") == 0);
3248 ASSERT (length == strlen (result));
3251 { /* Unnormalized number. */
3252 static union { unsigned int word[4]; long double value; } x =
3253 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3256 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3257 ASSERT (result != NULL);
3258 ASSERT (strlen (result) >= 3 + 3
3259 && strisnan (result, 0, strlen (result) - 3, 0)
3260 && strcmp (result + strlen (result) - 3, " 33") == 0);
3261 ASSERT (length == strlen (result));
3264 { /* Pseudo-Denormal. */
3265 static union { unsigned int word[4]; long double value; } x =
3266 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3269 my_asnprintf (NULL, &length, "%Lg %d", x.value, 33, 44, 55);
3270 ASSERT (result != NULL);
3271 ASSERT (strlen (result) >= 3 + 3
3272 && strisnan (result, 0, strlen (result) - 3, 0)
3273 && strcmp (result + strlen (result) - 3, " 33") == 0);
3274 ASSERT (length == strlen (result));
3282 my_asnprintf (NULL, &length, "%10Lg %d", 1.75L, 33, 44, 55);
3283 ASSERT (result != NULL);
3284 ASSERT (strcmp (result, " 1.75 33") == 0);
3285 ASSERT (length == strlen (result));
3292 my_asnprintf (NULL, &length, "%-10Lg %d", 1.75L, 33, 44, 55);
3293 ASSERT (result != NULL);
3294 ASSERT (strcmp (result, "1.75 33") == 0);
3295 ASSERT (length == strlen (result));
3299 { /* FLAG_SHOWSIGN. */
3302 my_asnprintf (NULL, &length, "%+Lg %d", 1.75L, 33, 44, 55);
3303 ASSERT (result != NULL);
3304 ASSERT (strcmp (result, "+1.75 33") == 0);
3305 ASSERT (length == strlen (result));
3312 my_asnprintf (NULL, &length, "% Lg %d", 1.75L, 33, 44, 55);
3313 ASSERT (result != NULL);
3314 ASSERT (strcmp (result, " 1.75 33") == 0);
3315 ASSERT (length == strlen (result));
3322 my_asnprintf (NULL, &length, "%#Lg %d", 1.75L, 33, 44, 55);
3323 ASSERT (result != NULL);
3324 ASSERT (strcmp (result, "1.75000 33") == 0);
3325 ASSERT (length == strlen (result));
3332 my_asnprintf (NULL, &length, "%#.Lg %d", 1.75L, 33, 44, 55);
3333 ASSERT (result != NULL);
3334 ASSERT (strcmp (result, "2. 33") == 0);
3335 ASSERT (length == strlen (result));
3342 my_asnprintf (NULL, &length, "%#.Lg %d", 9.75L, 33, 44, 55);
3343 ASSERT (result != NULL);
3344 ASSERT (strcmp (result, "1.e+01 33") == 0
3345 || strcmp (result, "1.e+001 33") == 0);
3346 ASSERT (length == strlen (result));
3350 { /* FLAG_ZERO with finite number. */
3353 my_asnprintf (NULL, &length, "%010Lg %d", 1234.0L, 33, 44, 55);
3354 ASSERT (result != NULL);
3355 ASSERT (strcmp (result, "0000001234 33") == 0);
3356 ASSERT (length == strlen (result));
3360 { /* FLAG_ZERO with infinite number. */
3363 my_asnprintf (NULL, &length, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3364 ASSERT (result != NULL);
3365 ASSERT (strcmp (result, " -inf 33") == 0
3366 || strcmp (result, " -infinity 33") == 0);
3367 ASSERT (length == strlen (result));
3371 { /* FLAG_ZERO with NaN. */
3374 my_asnprintf (NULL, &length, "%050Lg %d", NaNl (), 33, 44, 55);
3375 ASSERT (result != NULL);
3376 ASSERT (strlen (result) == 50 + 3
3377 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3378 && strcmp (result + strlen (result) - 3, " 33") == 0);
3379 ASSERT (length == strlen (result));
3386 my_asnprintf (NULL, &length, "%.Lg %d", 1234.0L, 33, 44, 55);
3387 ASSERT (result != NULL);
3388 ASSERT (strcmp (result, "1e+03 33") == 0
3389 || strcmp (result, "1e+003 33") == 0);
3390 ASSERT (length == strlen (result));
3394 { /* Precision with no rounding. */
3397 my_asnprintf (NULL, &length, "%.5Lg %d", 999.951L, 33, 44, 55);
3398 ASSERT (result != NULL);
3399 ASSERT (strcmp (result, "999.95 33") == 0);
3400 ASSERT (length == strlen (result));
3404 { /* Precision with rounding. */
3407 my_asnprintf (NULL, &length, "%.5Lg %d", 999.996L, 33, 44, 55);
3408 ASSERT (result != NULL);
3409 ASSERT (strcmp (result, "1000 33") == 0);
3410 ASSERT (length == strlen (result));
3414 /* Test the support of the %n format directive. */
3420 my_asnprintf (NULL, &length, "%d %n", 123, &count, 33, 44, 55);
3421 ASSERT (result != NULL);
3422 ASSERT (strcmp (result, "123 ") == 0);
3423 ASSERT (length == strlen (result));
3424 ASSERT (count == 4);
3428 /* Test the support of the POSIX/XSI format strings with positions. */
3433 my_asnprintf (NULL, &length, "%2$d %1$d", 33, 55);
3434 ASSERT (result != NULL);
3435 ASSERT (strcmp (result, "55 33") == 0);
3436 ASSERT (length == strlen (result));
3440 /* Test the support of the grouping flag. */
3445 my_asnprintf (NULL, &length, "%'d %d", 1234567, 99);
3446 ASSERT (result != NULL);
3447 ASSERT (result[strlen (result) - 1] == '9');
3448 ASSERT (length == strlen (result));
3452 /* Test the support of the left-adjust flag. */
3457 my_asnprintf (NULL, &length, "a%*sc", -3, "b");
3458 ASSERT (result != NULL);
3459 ASSERT (strcmp (result, "ab c") == 0);
3460 ASSERT (length == strlen (result));
3467 my_asnprintf (NULL, &length, "a%-*sc", 3, "b");
3468 ASSERT (result != NULL);
3469 ASSERT (strcmp (result, "ab c") == 0);
3470 ASSERT (length == strlen (result));
3477 my_asnprintf (NULL, &length, "a%-*sc", -3, "b");
3478 ASSERT (result != NULL);
3479 ASSERT (strcmp (result, "ab c") == 0);
3480 ASSERT (length == strlen (result));
3484 /* Test the support of large precision. */
3489 my_asnprintf (NULL, &length, "%.4000d %d", 1234567, 99);
3491 ASSERT (result != NULL);
3492 for (i = 0; i < 4000 - 7; i++)
3493 ASSERT (result[i] == '0');
3494 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3495 ASSERT (length == strlen (result));
3502 my_asnprintf (NULL, &length, "%.*d %d", 4000, 1234567, 99);
3504 ASSERT (result != NULL);
3505 for (i = 0; i < 4000 - 7; i++)
3506 ASSERT (result[i] == '0');
3507 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3508 ASSERT (length == strlen (result));
3515 my_asnprintf (NULL, &length, "%.4000d %d", -1234567, 99);
3517 ASSERT (result != NULL);
3518 ASSERT (result[0] == '-');
3519 for (i = 0; i < 4000 - 7; i++)
3520 ASSERT (result[1 + i] == '0');
3521 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3522 ASSERT (length == strlen (result));
3529 my_asnprintf (NULL, &length, "%.4000u %d", 1234567, 99);
3531 ASSERT (result != NULL);
3532 for (i = 0; i < 4000 - 7; i++)
3533 ASSERT (result[i] == '0');
3534 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3535 ASSERT (length == strlen (result));
3542 my_asnprintf (NULL, &length, "%.4000o %d", 1234567, 99);
3544 ASSERT (result != NULL);
3545 for (i = 0; i < 4000 - 7; i++)
3546 ASSERT (result[i] == '0');
3547 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3548 ASSERT (length == strlen (result));
3555 my_asnprintf (NULL, &length, "%.4000x %d", 1234567, 99);
3557 ASSERT (result != NULL);
3558 for (i = 0; i < 4000 - 6; i++)
3559 ASSERT (result[i] == '0');
3560 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3561 ASSERT (length == strlen (result));
3568 my_asnprintf (NULL, &length, "%#.4000x %d", 1234567, 99);
3570 ASSERT (result != NULL);
3571 ASSERT (result[0] == '0');
3572 ASSERT (result[1] == 'x');
3573 for (i = 0; i < 4000 - 6; i++)
3574 ASSERT (result[2 + i] == '0');
3575 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3576 ASSERT (length == strlen (result));
3586 for (i = 0; i < sizeof (input) - 1; i++)
3587 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3589 result = my_asnprintf (NULL, &length, "%.4000s %d", input, 99);
3590 ASSERT (result != NULL);
3591 ASSERT (memcmp (result, input, 4000) == 0);
3592 ASSERT (strcmp (result + 4000, " 99") == 0);
3593 ASSERT (length == strlen (result));
3599 my_asnprintf (char *resultbuf, size_t *lengthp, const char *format, ...)
3604 va_start (args, format);
3605 ret = vasnprintf (resultbuf, lengthp, format, args);
3613 test_function (my_asnprintf);
3619 test_function (asnprintf);
3623 main (int argc, char *argv[])