1 /* Test of POSIX compatible vasprintf() and asprintf() 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. */
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 static double minus_zero = -0.0;
52 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
55 /* Representation of an 80-bit 'long double' as an initializer for a sequence
56 of 'unsigned int' words. */
57 #ifdef WORDS_BIGENDIAN
58 # define LDBL80_WORDS(exponent,manthi,mantlo) \
59 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
60 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
61 (unsigned int) (mantlo) << 16 \
64 # define LDBL80_WORDS(exponent,manthi,mantlo) \
65 { mantlo, manthi, exponent }
69 strmatch (const char *pattern, const char *string)
71 if (strlen (pattern) != strlen (string))
73 for (; *pattern != '\0'; pattern++, string++)
74 if (*pattern != '*' && *string != *pattern)
79 /* Test whether string[start_index..end_index-1] is a valid textual
80 representation of NaN. */
82 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
84 if (start_index < end_index)
86 if (string[start_index] == '-')
88 if (start_index + 3 <= end_index
89 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
92 if (start_index == end_index
93 || (string[start_index] == '(' && string[end_index - 1] == ')'))
101 test_function (int (*my_asprintf) (char **, const char *, ...))
105 /* Test return value convention. */
107 for (repeat = 0; repeat <= 8; repeat++)
110 int retval = asprintf (&result, "%d", 12345);
111 ASSERT (retval == 5);
112 ASSERT (result != NULL);
113 ASSERT (strcmp (result, "12345") == 0);
117 /* Test support of size specifiers as in C99. */
122 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
123 ASSERT (result != NULL);
124 ASSERT (strcmp (result, "12345671 33") == 0);
125 ASSERT (retval == strlen (result));
132 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
133 ASSERT (result != NULL);
134 ASSERT (strcmp (result, "12345672 33") == 0);
135 ASSERT (retval == strlen (result));
142 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
143 ASSERT (result != NULL);
144 ASSERT (strcmp (result, "12345673 33") == 0);
145 ASSERT (retval == strlen (result));
152 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
153 ASSERT (result != NULL);
154 ASSERT (strcmp (result, "1.5 33") == 0);
155 ASSERT (retval == strlen (result));
159 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
160 output of floating-point numbers. */
162 { /* A positive number. */
165 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
166 ASSERT (result != NULL);
167 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
168 || strcmp (result, "0x3.244p+0 33") == 0
169 || strcmp (result, "0x6.488p-1 33") == 0
170 || strcmp (result, "0xc.91p-2 33") == 0);
171 ASSERT (retval == strlen (result));
175 { /* A negative number. */
178 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
179 ASSERT (result != NULL);
180 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
181 || strcmp (result, "-0X3.244P+0 33") == 0
182 || strcmp (result, "-0X6.488P-1 33") == 0
183 || strcmp (result, "-0XC.91P-2 33") == 0);
184 ASSERT (retval == strlen (result));
188 { /* Positive zero. */
191 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
192 ASSERT (result != NULL);
193 ASSERT (strcmp (result, "0x0p+0 33") == 0);
194 ASSERT (retval == strlen (result));
198 { /* Negative zero. */
201 my_asprintf (&result, "%a %d", -0.0, 33, 44, 55);
202 ASSERT (result != NULL);
203 if (have_minus_zero ())
204 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
205 ASSERT (retval == strlen (result));
209 { /* Positive infinity. */
212 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
213 ASSERT (result != NULL);
214 ASSERT (strcmp (result, "inf 33") == 0);
215 ASSERT (retval == strlen (result));
219 { /* Negative infinity. */
222 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
223 ASSERT (result != NULL);
224 ASSERT (strcmp (result, "-inf 33") == 0);
225 ASSERT (retval == strlen (result));
232 my_asprintf (&result, "%a %d", NaNd (), 33, 44, 55);
233 ASSERT (result != NULL);
234 ASSERT (strlen (result) >= 3 + 3
235 && strisnan (result, 0, strlen (result) - 3, 0)
236 && strcmp (result + strlen (result) - 3, " 33") == 0);
237 ASSERT (retval == strlen (result));
241 { /* Rounding near the decimal point. */
244 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
245 ASSERT (result != NULL);
246 ASSERT (strcmp (result, "0x2p+0 33") == 0
247 || strcmp (result, "0x3p-1 33") == 0
248 || strcmp (result, "0x6p-2 33") == 0
249 || strcmp (result, "0xcp-3 33") == 0);
250 ASSERT (retval == strlen (result));
254 { /* Rounding with precision 0. */
257 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
258 ASSERT (result != NULL);
259 ASSERT (strcmp (result, "0x2p+0 33") == 0
260 || strcmp (result, "0x3p-1 33") == 0
261 || strcmp (result, "0x6p-2 33") == 0
262 || strcmp (result, "0xcp-3 33") == 0);
263 ASSERT (retval == strlen (result));
267 { /* Rounding with precision 1. */
270 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
271 ASSERT (result != NULL);
272 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
273 || strcmp (result, "0x3.0p-1 33") == 0
274 || strcmp (result, "0x6.1p-2 33") == 0
275 || strcmp (result, "0xc.1p-3 33") == 0);
276 ASSERT (retval == strlen (result));
280 { /* Rounding with precision 2. */
283 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
284 ASSERT (result != NULL);
285 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
286 || strcmp (result, "0x3.05p-1 33") == 0
287 || strcmp (result, "0x6.0ap-2 33") == 0
288 || strcmp (result, "0xc.14p-3 33") == 0);
289 ASSERT (retval == strlen (result));
293 { /* Rounding with precision 3. */
296 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
297 ASSERT (result != NULL);
298 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
299 || strcmp (result, "0x3.052p-1 33") == 0
300 || strcmp (result, "0x6.0a4p-2 33") == 0
301 || strcmp (result, "0xc.148p-3 33") == 0);
302 ASSERT (retval == strlen (result));
306 { /* Rounding can turn a ...FFF into a ...000. */
309 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
310 ASSERT (result != NULL);
311 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
312 || strcmp (result, "0x3.000p-1 33") == 0
313 || strcmp (result, "0x6.000p-2 33") == 0
314 || strcmp (result, "0xc.000p-3 33") == 0);
315 ASSERT (retval == strlen (result));
319 { /* Rounding can turn a ...FFF into a ...000.
320 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
323 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
324 ASSERT (result != NULL);
325 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
326 || strcmp (result, "0x2.0p+0 33") == 0
327 || strcmp (result, "0x4.0p-1 33") == 0
328 || strcmp (result, "0x8.0p-2 33") == 0);
329 ASSERT (retval == strlen (result));
336 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
337 ASSERT (result != NULL);
338 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
339 || strcmp (result, " 0x3.8p-1 33") == 0
340 || strcmp (result, " 0x7p-2 33") == 0
341 || strcmp (result, " 0xep-3 33") == 0);
342 ASSERT (retval == strlen (result));
346 { /* Small precision. */
349 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
350 ASSERT (result != NULL);
351 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
352 || strcmp (result, "0x3.8000000000p-1 33") == 0
353 || strcmp (result, "0x7.0000000000p-2 33") == 0
354 || strcmp (result, "0xe.0000000000p-3 33") == 0);
355 ASSERT (retval == strlen (result));
359 { /* Large precision. */
362 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
363 ASSERT (result != NULL);
364 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
365 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
366 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
367 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
368 ASSERT (retval == strlen (result));
375 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
376 ASSERT (result != NULL);
377 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
378 || strcmp (result, "0x3.8p-1 33") == 0
379 || strcmp (result, "0x7p-2 33") == 0
380 || strcmp (result, "0xep-3 33") == 0);
381 ASSERT (retval == strlen (result));
385 { /* FLAG_SHOWSIGN. */
388 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
389 ASSERT (result != NULL);
390 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
391 || strcmp (result, "+0x3.8p-1 33") == 0
392 || strcmp (result, "+0x7p-2 33") == 0
393 || strcmp (result, "+0xep-3 33") == 0);
394 ASSERT (retval == strlen (result));
401 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
402 ASSERT (result != NULL);
403 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
404 || strcmp (result, " 0x3.8p-1 33") == 0
405 || strcmp (result, " 0x7p-2 33") == 0
406 || strcmp (result, " 0xep-3 33") == 0);
407 ASSERT (retval == strlen (result));
414 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
415 ASSERT (result != NULL);
416 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
417 || strcmp (result, "0x3.8p-1 33") == 0
418 || strcmp (result, "0x7.p-2 33") == 0
419 || strcmp (result, "0xe.p-3 33") == 0);
420 ASSERT (retval == strlen (result));
427 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
428 ASSERT (result != NULL);
429 ASSERT (strcmp (result, "0x1.p+0 33") == 0
430 || strcmp (result, "0x2.p-1 33") == 0
431 || strcmp (result, "0x4.p-2 33") == 0
432 || strcmp (result, "0x8.p-3 33") == 0);
433 ASSERT (retval == strlen (result));
437 { /* FLAG_ZERO with finite number. */
440 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
441 ASSERT (result != NULL);
442 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
443 || strcmp (result, "0x003.8p-1 33") == 0
444 || strcmp (result, "0x00007p-2 33") == 0
445 || strcmp (result, "0x0000ep-3 33") == 0);
446 ASSERT (retval == strlen (result));
450 { /* FLAG_ZERO with infinite number. */
453 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
454 ASSERT (result != NULL);
455 /* "0000000inf 33" is not a valid result; see
456 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
457 ASSERT (strcmp (result, " inf 33") == 0);
458 ASSERT (retval == strlen (result));
462 { /* FLAG_ZERO with NaN. */
465 my_asprintf (&result, "%050a %d", NaNd (), 33, 44, 55);
466 ASSERT (result != NULL);
467 /* "0000000nan 33" is not a valid result; see
468 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
469 ASSERT (strlen (result) == 50 + 3
470 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
471 && strcmp (result + strlen (result) - 3, " 33") == 0);
472 ASSERT (retval == strlen (result));
476 { /* A positive number. */
479 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
480 ASSERT (result != NULL);
481 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
482 || strcmp (result, "0x3.244p+0 33") == 0
483 || strcmp (result, "0x6.488p-1 33") == 0
484 || strcmp (result, "0xc.91p-2 33") == 0);
485 ASSERT (retval == strlen (result));
489 { /* A negative number. */
492 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
493 ASSERT (result != NULL);
494 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
495 || strcmp (result, "-0X3.244P+0 33") == 0
496 || strcmp (result, "-0X6.488P-1 33") == 0
497 || strcmp (result, "-0XC.91P-2 33") == 0);
498 ASSERT (retval == strlen (result));
502 { /* Positive zero. */
505 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
506 ASSERT (result != NULL);
507 ASSERT (strcmp (result, "0x0p+0 33") == 0);
508 ASSERT (retval == strlen (result));
512 { /* Negative zero. */
515 my_asprintf (&result, "%La %d", -0.0L, 33, 44, 55);
516 ASSERT (result != NULL);
517 if (have_minus_zero ())
518 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
519 ASSERT (retval == strlen (result));
523 { /* Positive infinity. */
526 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
527 ASSERT (result != NULL);
528 ASSERT (strcmp (result, "inf 33") == 0);
529 ASSERT (retval == strlen (result));
533 { /* Negative infinity. */
536 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
537 ASSERT (result != NULL);
538 ASSERT (strcmp (result, "-inf 33") == 0);
539 ASSERT (retval == strlen (result));
546 my_asprintf (&result, "%La %d", NaNl (), 33, 44, 55);
547 ASSERT (result != NULL);
548 ASSERT (strlen (result) >= 3 + 3
549 && strisnan (result, 0, strlen (result) - 3, 0)
550 && strcmp (result + strlen (result) - 3, " 33") == 0);
551 ASSERT (retval == strlen (result));
554 #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_))
556 static union { unsigned int word[4]; long double value; } x =
557 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
560 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
561 ASSERT (result != NULL);
562 ASSERT (strlen (result) >= 3 + 3
563 && strisnan (result, 0, strlen (result) - 3, 0)
564 && strcmp (result + strlen (result) - 3, " 33") == 0);
565 ASSERT (retval == strlen (result));
569 /* Signalling NaN. */
570 static union { unsigned int word[4]; long double value; } x =
571 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
574 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
575 ASSERT (result != NULL);
576 ASSERT (strlen (result) >= 3 + 3
577 && strisnan (result, 0, strlen (result) - 3, 0)
578 && strcmp (result + strlen (result) - 3, " 33") == 0);
579 ASSERT (retval == strlen (result));
582 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
583 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
584 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
585 Application Architecture.
586 Table 5-2 "Floating-Point Register Encodings"
587 Figure 5-6 "Memory to Floating-Point Register Data Translation"
590 static union { unsigned int word[4]; long double value; } x =
591 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
594 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
595 ASSERT (result != NULL);
596 ASSERT (strlen (result) >= 3 + 3
597 && strisnan (result, 0, strlen (result) - 3, 0)
598 && strcmp (result + strlen (result) - 3, " 33") == 0);
599 ASSERT (retval == strlen (result));
602 { /* Pseudo-Infinity. */
603 static union { unsigned int word[4]; long double value; } x =
604 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
607 my_asprintf (&result, "%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 (retval == strlen (result));
616 static union { unsigned int word[4]; long double value; } x =
617 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
620 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
621 ASSERT (result != NULL);
622 ASSERT (strlen (result) >= 3 + 3
623 && strisnan (result, 0, strlen (result) - 3, 0)
624 && strcmp (result + strlen (result) - 3, " 33") == 0);
625 ASSERT (retval == strlen (result));
628 { /* Unnormalized number. */
629 static union { unsigned int word[4]; long double value; } x =
630 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
633 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
634 ASSERT (result != NULL);
635 ASSERT (strlen (result) >= 3 + 3
636 && strisnan (result, 0, strlen (result) - 3, 0)
637 && strcmp (result + strlen (result) - 3, " 33") == 0);
638 ASSERT (retval == strlen (result));
641 { /* Pseudo-Denormal. */
642 static union { unsigned int word[4]; long double value; } x =
643 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
646 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
647 ASSERT (result != NULL);
648 ASSERT (strlen (result) >= 3 + 3
649 && strisnan (result, 0, strlen (result) - 3, 0)
650 && strcmp (result + strlen (result) - 3, " 33") == 0);
651 ASSERT (retval == strlen (result));
656 { /* Rounding near the decimal point. */
659 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
660 ASSERT (result != NULL);
661 ASSERT (strcmp (result, "0x2p+0 33") == 0
662 || strcmp (result, "0x3p-1 33") == 0
663 || strcmp (result, "0x6p-2 33") == 0
664 || strcmp (result, "0xcp-3 33") == 0);
665 ASSERT (retval == strlen (result));
669 { /* Rounding with precision 0. */
672 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
673 ASSERT (result != NULL);
674 ASSERT (strcmp (result, "0x2p+0 33") == 0
675 || strcmp (result, "0x3p-1 33") == 0
676 || strcmp (result, "0x6p-2 33") == 0
677 || strcmp (result, "0xcp-3 33") == 0);
678 ASSERT (retval == strlen (result));
682 { /* Rounding with precision 1. */
685 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
686 ASSERT (result != NULL);
687 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
688 || strcmp (result, "0x3.0p-1 33") == 0
689 || strcmp (result, "0x6.1p-2 33") == 0
690 || strcmp (result, "0xc.1p-3 33") == 0);
691 ASSERT (retval == strlen (result));
695 { /* Rounding with precision 2. */
698 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
699 ASSERT (result != NULL);
700 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
701 || strcmp (result, "0x3.05p-1 33") == 0
702 || strcmp (result, "0x6.0ap-2 33") == 0
703 || strcmp (result, "0xc.14p-3 33") == 0);
704 ASSERT (retval == strlen (result));
708 { /* Rounding with precision 3. */
711 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
712 ASSERT (result != NULL);
713 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
714 || strcmp (result, "0x3.052p-1 33") == 0
715 || strcmp (result, "0x6.0a4p-2 33") == 0
716 || strcmp (result, "0xc.148p-3 33") == 0);
717 ASSERT (retval == strlen (result));
721 { /* Rounding can turn a ...FFF into a ...000. */
724 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
725 ASSERT (result != NULL);
726 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
727 || strcmp (result, "0x3.000p-1 33") == 0
728 || strcmp (result, "0x6.000p-2 33") == 0
729 || strcmp (result, "0xc.000p-3 33") == 0);
730 ASSERT (retval == strlen (result));
734 { /* Rounding can turn a ...FFF into a ...000.
735 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
736 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
739 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
740 ASSERT (result != NULL);
741 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
742 || strcmp (result, "0x2.0p+0 33") == 0
743 || strcmp (result, "0x4.0p-1 33") == 0
744 || strcmp (result, "0x8.0p-2 33") == 0);
745 ASSERT (retval == strlen (result));
752 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
753 ASSERT (result != NULL);
754 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
755 || strcmp (result, " 0x3.8p-1 33") == 0
756 || strcmp (result, " 0x7p-2 33") == 0
757 || strcmp (result, " 0xep-3 33") == 0);
758 ASSERT (retval == strlen (result));
762 { /* Small precision. */
765 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
766 ASSERT (result != NULL);
767 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
768 || strcmp (result, "0x3.8000000000p-1 33") == 0
769 || strcmp (result, "0x7.0000000000p-2 33") == 0
770 || strcmp (result, "0xe.0000000000p-3 33") == 0);
771 ASSERT (retval == strlen (result));
775 { /* Large precision. */
778 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
779 ASSERT (result != NULL);
780 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
781 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
782 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
783 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
784 ASSERT (retval == strlen (result));
791 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
792 ASSERT (result != NULL);
793 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
794 || strcmp (result, "0x3.8p-1 33") == 0
795 || strcmp (result, "0x7p-2 33") == 0
796 || strcmp (result, "0xep-3 33") == 0);
797 ASSERT (retval == strlen (result));
801 { /* FLAG_SHOWSIGN. */
804 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
805 ASSERT (result != NULL);
806 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
807 || strcmp (result, "+0x3.8p-1 33") == 0
808 || strcmp (result, "+0x7p-2 33") == 0
809 || strcmp (result, "+0xep-3 33") == 0);
810 ASSERT (retval == strlen (result));
817 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
818 ASSERT (result != NULL);
819 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
820 || strcmp (result, " 0x3.8p-1 33") == 0
821 || strcmp (result, " 0x7p-2 33") == 0
822 || strcmp (result, " 0xep-3 33") == 0);
823 ASSERT (retval == strlen (result));
830 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
831 ASSERT (result != NULL);
832 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
833 || strcmp (result, "0x3.8p-1 33") == 0
834 || strcmp (result, "0x7.p-2 33") == 0
835 || strcmp (result, "0xe.p-3 33") == 0);
836 ASSERT (retval == strlen (result));
843 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
844 ASSERT (result != NULL);
845 ASSERT (strcmp (result, "0x1.p+0 33") == 0
846 || strcmp (result, "0x2.p-1 33") == 0
847 || strcmp (result, "0x4.p-2 33") == 0
848 || strcmp (result, "0x8.p-3 33") == 0);
849 ASSERT (retval == strlen (result));
853 { /* FLAG_ZERO with finite number. */
856 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
857 ASSERT (result != NULL);
858 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
859 || strcmp (result, "0x003.8p-1 33") == 0
860 || strcmp (result, "0x00007p-2 33") == 0
861 || strcmp (result, "0x0000ep-3 33") == 0);
862 ASSERT (retval == strlen (result));
866 { /* FLAG_ZERO with infinite number. */
869 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
870 ASSERT (result != NULL);
871 /* "0000000inf 33" is not a valid result; see
872 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
873 ASSERT (strcmp (result, " inf 33") == 0);
874 ASSERT (retval == strlen (result));
878 { /* FLAG_ZERO with NaN. */
881 my_asprintf (&result, "%050La %d", NaNl (), 33, 44, 55);
882 ASSERT (result != NULL);
883 /* "0000000nan 33" is not a valid result; see
884 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
885 ASSERT (strlen (result) == 50 + 3
886 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
887 && strcmp (result + strlen (result) - 3, " 33") == 0);
888 ASSERT (retval == strlen (result));
892 /* Test the support of the %f format directive. */
894 { /* A positive number. */
897 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
898 ASSERT (result != NULL);
899 ASSERT (strcmp (result, "12.750000 33") == 0);
900 ASSERT (retval == strlen (result));
904 { /* A larger positive number. */
907 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
908 ASSERT (result != NULL);
909 ASSERT (strcmp (result, "1234567.000000 33") == 0);
910 ASSERT (retval == strlen (result));
914 { /* Small and large positive numbers. */
915 static struct { double value; const char *string; } data[] =
917 { 1.234321234321234e-37, "0.000000" },
918 { 1.234321234321234e-36, "0.000000" },
919 { 1.234321234321234e-35, "0.000000" },
920 { 1.234321234321234e-34, "0.000000" },
921 { 1.234321234321234e-33, "0.000000" },
922 { 1.234321234321234e-32, "0.000000" },
923 { 1.234321234321234e-31, "0.000000" },
924 { 1.234321234321234e-30, "0.000000" },
925 { 1.234321234321234e-29, "0.000000" },
926 { 1.234321234321234e-28, "0.000000" },
927 { 1.234321234321234e-27, "0.000000" },
928 { 1.234321234321234e-26, "0.000000" },
929 { 1.234321234321234e-25, "0.000000" },
930 { 1.234321234321234e-24, "0.000000" },
931 { 1.234321234321234e-23, "0.000000" },
932 { 1.234321234321234e-22, "0.000000" },
933 { 1.234321234321234e-21, "0.000000" },
934 { 1.234321234321234e-20, "0.000000" },
935 { 1.234321234321234e-19, "0.000000" },
936 { 1.234321234321234e-18, "0.000000" },
937 { 1.234321234321234e-17, "0.000000" },
938 { 1.234321234321234e-16, "0.000000" },
939 { 1.234321234321234e-15, "0.000000" },
940 { 1.234321234321234e-14, "0.000000" },
941 { 1.234321234321234e-13, "0.000000" },
942 { 1.234321234321234e-12, "0.000000" },
943 { 1.234321234321234e-11, "0.000000" },
944 { 1.234321234321234e-10, "0.000000" },
945 { 1.234321234321234e-9, "0.000000" },
946 { 1.234321234321234e-8, "0.000000" },
947 { 1.234321234321234e-7, "0.000000" },
948 { 1.234321234321234e-6, "0.000001" },
949 { 1.234321234321234e-5, "0.000012" },
950 { 1.234321234321234e-4, "0.000123" },
951 { 1.234321234321234e-3, "0.001234" },
952 { 1.234321234321234e-2, "0.012343" },
953 { 1.234321234321234e-1, "0.123432" },
954 { 1.234321234321234, "1.234321" },
955 { 1.234321234321234e1, "12.343212" },
956 { 1.234321234321234e2, "123.432123" },
957 { 1.234321234321234e3, "1234.321234" },
958 { 1.234321234321234e4, "12343.212343" },
959 { 1.234321234321234e5, "123432.123432" },
960 { 1.234321234321234e6, "1234321.234321" },
961 { 1.234321234321234e7, "12343212.343212" },
962 { 1.234321234321234e8, "123432123.432123" },
963 { 1.234321234321234e9, "1234321234.321234" },
964 { 1.234321234321234e10, "12343212343.2123**" },
965 { 1.234321234321234e11, "123432123432.123***" },
966 { 1.234321234321234e12, "1234321234321.23****" },
967 { 1.234321234321234e13, "12343212343212.3*****" },
968 { 1.234321234321234e14, "123432123432123.******" },
969 { 1.234321234321234e15, "1234321234321234.000000" },
970 { 1.234321234321234e16, "123432123432123**.000000" },
971 { 1.234321234321234e17, "123432123432123***.000000" },
972 { 1.234321234321234e18, "123432123432123****.000000" },
973 { 1.234321234321234e19, "123432123432123*****.000000" },
974 { 1.234321234321234e20, "123432123432123******.000000" },
975 { 1.234321234321234e21, "123432123432123*******.000000" },
976 { 1.234321234321234e22, "123432123432123********.000000" },
977 { 1.234321234321234e23, "123432123432123*********.000000" },
978 { 1.234321234321234e24, "123432123432123**********.000000" },
979 { 1.234321234321234e25, "123432123432123***********.000000" },
980 { 1.234321234321234e26, "123432123432123************.000000" },
981 { 1.234321234321234e27, "123432123432123*************.000000" },
982 { 1.234321234321234e28, "123432123432123**************.000000" },
983 { 1.234321234321234e29, "123432123432123***************.000000" },
984 { 1.234321234321234e30, "123432123432123****************.000000" },
985 { 1.234321234321234e31, "123432123432123*****************.000000" },
986 { 1.234321234321234e32, "123432123432123******************.000000" },
987 { 1.234321234321234e33, "123432123432123*******************.000000" },
988 { 1.234321234321234e34, "123432123432123********************.000000" },
989 { 1.234321234321234e35, "123432123432123*********************.000000" },
990 { 1.234321234321234e36, "123432123432123**********************.000000" }
993 for (k = 0; k < SIZEOF (data); k++)
997 my_asprintf (&result, "%f", data[k].value);
998 ASSERT (result != NULL);
999 ASSERT (strmatch (data[k].string, result));
1000 ASSERT (retval == strlen (result));
1005 { /* A negative number. */
1008 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1009 ASSERT (result != NULL);
1010 ASSERT (strcmp (result, "-0.031250 33") == 0);
1011 ASSERT (retval == strlen (result));
1015 { /* Positive zero. */
1018 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1019 ASSERT (result != NULL);
1020 ASSERT (strcmp (result, "0.000000 33") == 0);
1021 ASSERT (retval == strlen (result));
1025 { /* Negative zero. */
1028 my_asprintf (&result, "%f %d", -0.0, 33, 44, 55);
1029 ASSERT (result != NULL);
1030 if (have_minus_zero ())
1031 ASSERT (strcmp (result, "-0.000000 33") == 0);
1032 ASSERT (retval == strlen (result));
1036 { /* Positive infinity. */
1039 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1040 ASSERT (result != NULL);
1041 ASSERT (strcmp (result, "inf 33") == 0
1042 || strcmp (result, "infinity 33") == 0);
1043 ASSERT (retval == strlen (result));
1047 { /* Negative infinity. */
1050 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1051 ASSERT (result != NULL);
1052 ASSERT (strcmp (result, "-inf 33") == 0
1053 || strcmp (result, "-infinity 33") == 0);
1054 ASSERT (retval == strlen (result));
1061 my_asprintf (&result, "%f %d", NaNd (), 33, 44, 55);
1062 ASSERT (result != NULL);
1063 ASSERT (strlen (result) >= 3 + 3
1064 && strisnan (result, 0, strlen (result) - 3, 0)
1065 && strcmp (result + strlen (result) - 3, " 33") == 0);
1066 ASSERT (retval == strlen (result));
1073 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1074 ASSERT (result != NULL);
1075 ASSERT (strcmp (result, " 1.750000 33") == 0);
1076 ASSERT (retval == strlen (result));
1083 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1084 ASSERT (result != NULL);
1085 ASSERT (strcmp (result, "1.750000 33") == 0);
1086 ASSERT (retval == strlen (result));
1090 { /* FLAG_SHOWSIGN. */
1093 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1094 ASSERT (result != NULL);
1095 ASSERT (strcmp (result, "+1.750000 33") == 0);
1096 ASSERT (retval == strlen (result));
1103 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1104 ASSERT (result != NULL);
1105 ASSERT (strcmp (result, " 1.750000 33") == 0);
1106 ASSERT (retval == strlen (result));
1113 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1114 ASSERT (result != NULL);
1115 ASSERT (strcmp (result, "1.750000 33") == 0);
1116 ASSERT (retval == strlen (result));
1123 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1124 ASSERT (result != NULL);
1125 ASSERT (strcmp (result, "2. 33") == 0);
1126 ASSERT (retval == strlen (result));
1130 { /* FLAG_ZERO with finite number. */
1133 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1134 ASSERT (result != NULL);
1135 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1136 ASSERT (retval == strlen (result));
1140 { /* FLAG_ZERO with infinite number. */
1143 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1144 ASSERT (result != NULL);
1145 ASSERT (strcmp (result, " -inf 33") == 0
1146 || strcmp (result, " -infinity 33") == 0);
1147 ASSERT (retval == strlen (result));
1151 { /* FLAG_ZERO with NaN. */
1154 my_asprintf (&result, "%050f %d", NaNd (), 33, 44, 55);
1155 ASSERT (result != NULL);
1156 ASSERT (strlen (result) == 50 + 3
1157 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1158 && strcmp (result + strlen (result) - 3, " 33") == 0);
1159 ASSERT (retval == strlen (result));
1166 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1167 ASSERT (result != NULL);
1168 ASSERT (strcmp (result, "1234 33") == 0);
1169 ASSERT (retval == strlen (result));
1173 { /* A positive number. */
1176 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1177 ASSERT (result != NULL);
1178 ASSERT (strcmp (result, "12.750000 33") == 0);
1179 ASSERT (retval == strlen (result));
1183 { /* A larger positive number. */
1186 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1187 ASSERT (result != NULL);
1188 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1189 ASSERT (retval == strlen (result));
1193 { /* Small and large positive numbers. */
1194 static struct { long double value; const char *string; } data[] =
1196 { 1.234321234321234e-37L, "0.000000" },
1197 { 1.234321234321234e-36L, "0.000000" },
1198 { 1.234321234321234e-35L, "0.000000" },
1199 { 1.234321234321234e-34L, "0.000000" },
1200 { 1.234321234321234e-33L, "0.000000" },
1201 { 1.234321234321234e-32L, "0.000000" },
1202 { 1.234321234321234e-31L, "0.000000" },
1203 { 1.234321234321234e-30L, "0.000000" },
1204 { 1.234321234321234e-29L, "0.000000" },
1205 { 1.234321234321234e-28L, "0.000000" },
1206 { 1.234321234321234e-27L, "0.000000" },
1207 { 1.234321234321234e-26L, "0.000000" },
1208 { 1.234321234321234e-25L, "0.000000" },
1209 { 1.234321234321234e-24L, "0.000000" },
1210 { 1.234321234321234e-23L, "0.000000" },
1211 { 1.234321234321234e-22L, "0.000000" },
1212 { 1.234321234321234e-21L, "0.000000" },
1213 { 1.234321234321234e-20L, "0.000000" },
1214 { 1.234321234321234e-19L, "0.000000" },
1215 { 1.234321234321234e-18L, "0.000000" },
1216 { 1.234321234321234e-17L, "0.000000" },
1217 { 1.234321234321234e-16L, "0.000000" },
1218 { 1.234321234321234e-15L, "0.000000" },
1219 { 1.234321234321234e-14L, "0.000000" },
1220 { 1.234321234321234e-13L, "0.000000" },
1221 { 1.234321234321234e-12L, "0.000000" },
1222 { 1.234321234321234e-11L, "0.000000" },
1223 { 1.234321234321234e-10L, "0.000000" },
1224 { 1.234321234321234e-9L, "0.000000" },
1225 { 1.234321234321234e-8L, "0.000000" },
1226 { 1.234321234321234e-7L, "0.000000" },
1227 { 1.234321234321234e-6L, "0.000001" },
1228 { 1.234321234321234e-5L, "0.000012" },
1229 { 1.234321234321234e-4L, "0.000123" },
1230 { 1.234321234321234e-3L, "0.001234" },
1231 { 1.234321234321234e-2L, "0.012343" },
1232 { 1.234321234321234e-1L, "0.123432" },
1233 { 1.234321234321234L, "1.234321" },
1234 { 1.234321234321234e1L, "12.343212" },
1235 { 1.234321234321234e2L, "123.432123" },
1236 { 1.234321234321234e3L, "1234.321234" },
1237 { 1.234321234321234e4L, "12343.212343" },
1238 { 1.234321234321234e5L, "123432.123432" },
1239 { 1.234321234321234e6L, "1234321.234321" },
1240 { 1.234321234321234e7L, "12343212.343212" },
1241 { 1.234321234321234e8L, "123432123.432123" },
1242 { 1.234321234321234e9L, "1234321234.321234" },
1243 { 1.234321234321234e10L, "12343212343.2123**" },
1244 { 1.234321234321234e11L, "123432123432.123***" },
1245 { 1.234321234321234e12L, "1234321234321.23****" },
1246 { 1.234321234321234e13L, "12343212343212.3*****" },
1247 { 1.234321234321234e14L, "123432123432123.******" },
1248 { 1.234321234321234e15L, "1234321234321234.000000" },
1249 { 1.234321234321234e16L, "123432123432123**.000000" },
1250 { 1.234321234321234e17L, "123432123432123***.000000" },
1251 { 1.234321234321234e18L, "123432123432123****.000000" },
1252 { 1.234321234321234e19L, "123432123432123*****.000000" },
1253 { 1.234321234321234e20L, "123432123432123******.000000" },
1254 { 1.234321234321234e21L, "123432123432123*******.000000" },
1255 { 1.234321234321234e22L, "123432123432123********.000000" },
1256 { 1.234321234321234e23L, "123432123432123*********.000000" },
1257 { 1.234321234321234e24L, "123432123432123**********.000000" },
1258 { 1.234321234321234e25L, "123432123432123***********.000000" },
1259 { 1.234321234321234e26L, "123432123432123************.000000" },
1260 { 1.234321234321234e27L, "123432123432123*************.000000" },
1261 { 1.234321234321234e28L, "123432123432123**************.000000" },
1262 { 1.234321234321234e29L, "123432123432123***************.000000" },
1263 { 1.234321234321234e30L, "123432123432123****************.000000" },
1264 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1265 { 1.234321234321234e32L, "123432123432123******************.000000" },
1266 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1267 { 1.234321234321234e34L, "123432123432123********************.000000" },
1268 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1269 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1272 for (k = 0; k < SIZEOF (data); k++)
1276 my_asprintf (&result, "%Lf", data[k].value);
1277 ASSERT (result != NULL);
1278 ASSERT (strmatch (data[k].string, result));
1279 ASSERT (retval == strlen (result));
1284 { /* A negative number. */
1287 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1288 ASSERT (result != NULL);
1289 ASSERT (strcmp (result, "-0.031250 33") == 0);
1290 ASSERT (retval == strlen (result));
1294 { /* Positive zero. */
1297 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1298 ASSERT (result != NULL);
1299 ASSERT (strcmp (result, "0.000000 33") == 0);
1300 ASSERT (retval == strlen (result));
1304 { /* Negative zero. */
1307 my_asprintf (&result, "%Lf %d", -0.0L, 33, 44, 55);
1308 ASSERT (result != NULL);
1309 if (have_minus_zero ())
1310 ASSERT (strcmp (result, "-0.000000 33") == 0);
1311 ASSERT (retval == strlen (result));
1315 { /* Positive infinity. */
1318 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1319 ASSERT (result != NULL);
1320 ASSERT (strcmp (result, "inf 33") == 0
1321 || strcmp (result, "infinity 33") == 0);
1322 ASSERT (retval == strlen (result));
1326 { /* Negative infinity. */
1329 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1330 ASSERT (result != NULL);
1331 ASSERT (strcmp (result, "-inf 33") == 0
1332 || strcmp (result, "-infinity 33") == 0);
1333 ASSERT (retval == strlen (result));
1340 my_asprintf (&result, "%Lf %d", NaNl (), 33, 44, 55);
1341 ASSERT (result != NULL);
1342 ASSERT (strlen (result) >= 3 + 3
1343 && strisnan (result, 0, strlen (result) - 3, 0)
1344 && strcmp (result + strlen (result) - 3, " 33") == 0);
1345 ASSERT (retval == strlen (result));
1348 #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_))
1350 static union { unsigned int word[4]; long double value; } x =
1351 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1354 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1355 ASSERT (result != NULL);
1356 ASSERT (strlen (result) >= 3 + 3
1357 && strisnan (result, 0, strlen (result) - 3, 0)
1358 && strcmp (result + strlen (result) - 3, " 33") == 0);
1359 ASSERT (retval == strlen (result));
1363 /* Signalling NaN. */
1364 static union { unsigned int word[4]; long double value; } x =
1365 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1368 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1369 ASSERT (result != NULL);
1370 ASSERT (strlen (result) >= 3 + 3
1371 && strisnan (result, 0, strlen (result) - 3, 0)
1372 && strcmp (result + strlen (result) - 3, " 33") == 0);
1373 ASSERT (retval == strlen (result));
1376 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1377 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1378 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1379 Application Architecture.
1380 Table 5-2 "Floating-Point Register Encodings"
1381 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1384 static union { unsigned int word[4]; long double value; } x =
1385 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1388 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1389 ASSERT (result != NULL);
1390 ASSERT (strlen (result) >= 3 + 3
1391 && strisnan (result, 0, strlen (result) - 3, 0)
1392 && strcmp (result + strlen (result) - 3, " 33") == 0);
1393 ASSERT (retval == strlen (result));
1396 { /* Pseudo-Infinity. */
1397 static union { unsigned int word[4]; long double value; } x =
1398 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1401 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1402 ASSERT (result != NULL);
1403 ASSERT (strlen (result) >= 3 + 3
1404 && strisnan (result, 0, strlen (result) - 3, 0)
1405 && strcmp (result + strlen (result) - 3, " 33") == 0);
1406 ASSERT (retval == strlen (result));
1409 { /* Pseudo-Zero. */
1410 static union { unsigned int word[4]; long double value; } x =
1411 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1414 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1415 ASSERT (result != NULL);
1416 ASSERT (strlen (result) >= 3 + 3
1417 && strisnan (result, 0, strlen (result) - 3, 0)
1418 && strcmp (result + strlen (result) - 3, " 33") == 0);
1419 ASSERT (retval == strlen (result));
1422 { /* Unnormalized number. */
1423 static union { unsigned int word[4]; long double value; } x =
1424 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1427 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1428 ASSERT (result != NULL);
1429 ASSERT (strlen (result) >= 3 + 3
1430 && strisnan (result, 0, strlen (result) - 3, 0)
1431 && strcmp (result + strlen (result) - 3, " 33") == 0);
1432 ASSERT (retval == strlen (result));
1435 { /* Pseudo-Denormal. */
1436 static union { unsigned int word[4]; long double value; } x =
1437 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1440 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1441 ASSERT (result != NULL);
1442 ASSERT (strlen (result) >= 3 + 3
1443 && strisnan (result, 0, strlen (result) - 3, 0)
1444 && strcmp (result + strlen (result) - 3, " 33") == 0);
1445 ASSERT (retval == strlen (result));
1453 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1454 ASSERT (result != NULL);
1455 ASSERT (strcmp (result, " 1.750000 33") == 0);
1456 ASSERT (retval == strlen (result));
1463 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1464 ASSERT (result != NULL);
1465 ASSERT (strcmp (result, "1.750000 33") == 0);
1466 ASSERT (retval == strlen (result));
1470 { /* FLAG_SHOWSIGN. */
1473 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1474 ASSERT (result != NULL);
1475 ASSERT (strcmp (result, "+1.750000 33") == 0);
1476 ASSERT (retval == strlen (result));
1483 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1484 ASSERT (result != NULL);
1485 ASSERT (strcmp (result, " 1.750000 33") == 0);
1486 ASSERT (retval == strlen (result));
1493 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1494 ASSERT (result != NULL);
1495 ASSERT (strcmp (result, "1.750000 33") == 0);
1496 ASSERT (retval == strlen (result));
1503 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1504 ASSERT (result != NULL);
1505 ASSERT (strcmp (result, "2. 33") == 0);
1506 ASSERT (retval == strlen (result));
1510 { /* FLAG_ZERO with finite number. */
1513 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1514 ASSERT (result != NULL);
1515 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1516 ASSERT (retval == strlen (result));
1520 { /* FLAG_ZERO with infinite number. */
1523 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1524 ASSERT (result != NULL);
1525 ASSERT (strcmp (result, " -inf 33") == 0
1526 || strcmp (result, " -infinity 33") == 0);
1527 ASSERT (retval == strlen (result));
1531 { /* FLAG_ZERO with NaN. */
1534 my_asprintf (&result, "%050Lf %d", NaNl (), 33, 44, 55);
1535 ASSERT (result != NULL);
1536 ASSERT (strlen (result) == 50 + 3
1537 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1538 && strcmp (result + strlen (result) - 3, " 33") == 0);
1539 ASSERT (retval == strlen (result));
1546 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1547 ASSERT (result != NULL);
1548 ASSERT (strcmp (result, "1234 33") == 0);
1549 ASSERT (retval == strlen (result));
1553 /* Test the support of the %F format directive. */
1555 { /* A positive number. */
1558 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1559 ASSERT (result != NULL);
1560 ASSERT (strcmp (result, "12.750000 33") == 0);
1561 ASSERT (retval == strlen (result));
1565 { /* A larger positive number. */
1568 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1569 ASSERT (result != NULL);
1570 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1571 ASSERT (retval == strlen (result));
1575 { /* A negative number. */
1578 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1579 ASSERT (result != NULL);
1580 ASSERT (strcmp (result, "-0.031250 33") == 0);
1581 ASSERT (retval == strlen (result));
1585 { /* Positive zero. */
1588 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1589 ASSERT (result != NULL);
1590 ASSERT (strcmp (result, "0.000000 33") == 0);
1591 ASSERT (retval == strlen (result));
1595 { /* Negative zero. */
1598 my_asprintf (&result, "%F %d", -0.0, 33, 44, 55);
1599 ASSERT (result != NULL);
1600 if (have_minus_zero ())
1601 ASSERT (strcmp (result, "-0.000000 33") == 0);
1602 ASSERT (retval == strlen (result));
1606 { /* Positive infinity. */
1609 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1610 ASSERT (result != NULL);
1611 ASSERT (strcmp (result, "INF 33") == 0
1612 || strcmp (result, "INFINITY 33") == 0);
1613 ASSERT (retval == strlen (result));
1617 { /* Negative infinity. */
1620 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1621 ASSERT (result != NULL);
1622 ASSERT (strcmp (result, "-INF 33") == 0
1623 || strcmp (result, "-INFINITY 33") == 0);
1624 ASSERT (retval == strlen (result));
1631 my_asprintf (&result, "%F %d", NaNd (), 33, 44, 55);
1632 ASSERT (result != NULL);
1633 ASSERT (strlen (result) >= 3 + 3
1634 && strisnan (result, 0, strlen (result) - 3, 1)
1635 && strcmp (result + strlen (result) - 3, " 33") == 0);
1636 ASSERT (retval == strlen (result));
1643 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1644 ASSERT (result != NULL);
1645 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1646 ASSERT (retval == strlen (result));
1650 { /* FLAG_ZERO with infinite number. */
1653 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1654 ASSERT (result != NULL);
1655 ASSERT (strcmp (result, " -INF 33") == 0
1656 || strcmp (result, " -INFINITY 33") == 0);
1657 ASSERT (retval == strlen (result));
1664 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1665 ASSERT (result != NULL);
1666 ASSERT (strcmp (result, "1234 33") == 0);
1667 ASSERT (retval == strlen (result));
1671 { /* A positive number. */
1674 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1675 ASSERT (result != NULL);
1676 ASSERT (strcmp (result, "12.750000 33") == 0);
1677 ASSERT (retval == strlen (result));
1681 { /* A larger positive number. */
1684 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1685 ASSERT (result != NULL);
1686 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1687 ASSERT (retval == strlen (result));
1691 { /* A negative number. */
1694 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1695 ASSERT (result != NULL);
1696 ASSERT (strcmp (result, "-0.031250 33") == 0);
1697 ASSERT (retval == strlen (result));
1701 { /* Positive zero. */
1704 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1705 ASSERT (result != NULL);
1706 ASSERT (strcmp (result, "0.000000 33") == 0);
1707 ASSERT (retval == strlen (result));
1711 { /* Negative zero. */
1714 my_asprintf (&result, "%LF %d", -0.0L, 33, 44, 55);
1715 ASSERT (result != NULL);
1716 if (have_minus_zero ())
1717 ASSERT (strcmp (result, "-0.000000 33") == 0);
1718 ASSERT (retval == strlen (result));
1722 { /* Positive infinity. */
1725 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1726 ASSERT (result != NULL);
1727 ASSERT (strcmp (result, "INF 33") == 0
1728 || strcmp (result, "INFINITY 33") == 0);
1729 ASSERT (retval == strlen (result));
1733 { /* Negative infinity. */
1736 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1737 ASSERT (result != NULL);
1738 ASSERT (strcmp (result, "-INF 33") == 0
1739 || strcmp (result, "-INFINITY 33") == 0);
1740 ASSERT (retval == strlen (result));
1747 my_asprintf (&result, "%LF %d", NaNl (), 33, 44, 55);
1748 ASSERT (result != NULL);
1749 ASSERT (strlen (result) >= 3 + 3
1750 && strisnan (result, 0, strlen (result) - 3, 1)
1751 && strcmp (result + strlen (result) - 3, " 33") == 0);
1752 ASSERT (retval == strlen (result));
1759 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1760 ASSERT (result != NULL);
1761 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1762 ASSERT (retval == strlen (result));
1766 { /* FLAG_ZERO with infinite number. */
1769 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1770 ASSERT (result != NULL);
1771 ASSERT (strcmp (result, " -INF 33") == 0
1772 || strcmp (result, " -INFINITY 33") == 0);
1773 ASSERT (retval == strlen (result));
1780 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1781 ASSERT (result != NULL);
1782 ASSERT (strcmp (result, "1234 33") == 0);
1783 ASSERT (retval == strlen (result));
1787 /* Test the support of the %e format directive. */
1789 { /* A positive number. */
1792 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1793 ASSERT (result != NULL);
1794 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1795 || strcmp (result, "1.275000e+001 33") == 0);
1796 ASSERT (retval == strlen (result));
1800 { /* A larger positive number. */
1803 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1804 ASSERT (result != NULL);
1805 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1806 || strcmp (result, "1.234567e+006 33") == 0);
1807 ASSERT (retval == strlen (result));
1811 { /* Small and large positive numbers. */
1812 static struct { double value; const char *string; } data[] =
1814 { 1.234321234321234e-37, "1.234321e-37" },
1815 { 1.234321234321234e-36, "1.234321e-36" },
1816 { 1.234321234321234e-35, "1.234321e-35" },
1817 { 1.234321234321234e-34, "1.234321e-34" },
1818 { 1.234321234321234e-33, "1.234321e-33" },
1819 { 1.234321234321234e-32, "1.234321e-32" },
1820 { 1.234321234321234e-31, "1.234321e-31" },
1821 { 1.234321234321234e-30, "1.234321e-30" },
1822 { 1.234321234321234e-29, "1.234321e-29" },
1823 { 1.234321234321234e-28, "1.234321e-28" },
1824 { 1.234321234321234e-27, "1.234321e-27" },
1825 { 1.234321234321234e-26, "1.234321e-26" },
1826 { 1.234321234321234e-25, "1.234321e-25" },
1827 { 1.234321234321234e-24, "1.234321e-24" },
1828 { 1.234321234321234e-23, "1.234321e-23" },
1829 { 1.234321234321234e-22, "1.234321e-22" },
1830 { 1.234321234321234e-21, "1.234321e-21" },
1831 { 1.234321234321234e-20, "1.234321e-20" },
1832 { 1.234321234321234e-19, "1.234321e-19" },
1833 { 1.234321234321234e-18, "1.234321e-18" },
1834 { 1.234321234321234e-17, "1.234321e-17" },
1835 { 1.234321234321234e-16, "1.234321e-16" },
1836 { 1.234321234321234e-15, "1.234321e-15" },
1837 { 1.234321234321234e-14, "1.234321e-14" },
1838 { 1.234321234321234e-13, "1.234321e-13" },
1839 { 1.234321234321234e-12, "1.234321e-12" },
1840 { 1.234321234321234e-11, "1.234321e-11" },
1841 { 1.234321234321234e-10, "1.234321e-10" },
1842 { 1.234321234321234e-9, "1.234321e-09" },
1843 { 1.234321234321234e-8, "1.234321e-08" },
1844 { 1.234321234321234e-7, "1.234321e-07" },
1845 { 1.234321234321234e-6, "1.234321e-06" },
1846 { 1.234321234321234e-5, "1.234321e-05" },
1847 { 1.234321234321234e-4, "1.234321e-04" },
1848 { 1.234321234321234e-3, "1.234321e-03" },
1849 { 1.234321234321234e-2, "1.234321e-02" },
1850 { 1.234321234321234e-1, "1.234321e-01" },
1851 { 1.234321234321234, "1.234321e+00" },
1852 { 1.234321234321234e1, "1.234321e+01" },
1853 { 1.234321234321234e2, "1.234321e+02" },
1854 { 1.234321234321234e3, "1.234321e+03" },
1855 { 1.234321234321234e4, "1.234321e+04" },
1856 { 1.234321234321234e5, "1.234321e+05" },
1857 { 1.234321234321234e6, "1.234321e+06" },
1858 { 1.234321234321234e7, "1.234321e+07" },
1859 { 1.234321234321234e8, "1.234321e+08" },
1860 { 1.234321234321234e9, "1.234321e+09" },
1861 { 1.234321234321234e10, "1.234321e+10" },
1862 { 1.234321234321234e11, "1.234321e+11" },
1863 { 1.234321234321234e12, "1.234321e+12" },
1864 { 1.234321234321234e13, "1.234321e+13" },
1865 { 1.234321234321234e14, "1.234321e+14" },
1866 { 1.234321234321234e15, "1.234321e+15" },
1867 { 1.234321234321234e16, "1.234321e+16" },
1868 { 1.234321234321234e17, "1.234321e+17" },
1869 { 1.234321234321234e18, "1.234321e+18" },
1870 { 1.234321234321234e19, "1.234321e+19" },
1871 { 1.234321234321234e20, "1.234321e+20" },
1872 { 1.234321234321234e21, "1.234321e+21" },
1873 { 1.234321234321234e22, "1.234321e+22" },
1874 { 1.234321234321234e23, "1.234321e+23" },
1875 { 1.234321234321234e24, "1.234321e+24" },
1876 { 1.234321234321234e25, "1.234321e+25" },
1877 { 1.234321234321234e26, "1.234321e+26" },
1878 { 1.234321234321234e27, "1.234321e+27" },
1879 { 1.234321234321234e28, "1.234321e+28" },
1880 { 1.234321234321234e29, "1.234321e+29" },
1881 { 1.234321234321234e30, "1.234321e+30" },
1882 { 1.234321234321234e31, "1.234321e+31" },
1883 { 1.234321234321234e32, "1.234321e+32" },
1884 { 1.234321234321234e33, "1.234321e+33" },
1885 { 1.234321234321234e34, "1.234321e+34" },
1886 { 1.234321234321234e35, "1.234321e+35" },
1887 { 1.234321234321234e36, "1.234321e+36" }
1890 for (k = 0; k < SIZEOF (data); k++)
1894 my_asprintf (&result, "%e", data[k].value);
1895 const char *expected = data[k].string;
1896 ASSERT (result != NULL);
1897 ASSERT (strcmp (result, expected) == 0
1898 /* Some implementations produce exponents with 3 digits. */
1899 || (strlen (result) == strlen (expected) + 1
1900 && memcmp (result, expected, strlen (expected) - 2) == 0
1901 && result[strlen (expected) - 2] == '0'
1902 && strcmp (result + strlen (expected) - 1,
1903 expected + strlen (expected) - 2)
1905 ASSERT (retval == strlen (result));
1910 { /* A negative number. */
1913 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
1914 ASSERT (result != NULL);
1915 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1916 || strcmp (result, "-3.125000e-002 33") == 0);
1917 ASSERT (retval == strlen (result));
1921 { /* Positive zero. */
1924 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
1925 ASSERT (result != NULL);
1926 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1927 || strcmp (result, "0.000000e+000 33") == 0);
1928 ASSERT (retval == strlen (result));
1932 { /* Negative zero. */
1935 my_asprintf (&result, "%e %d", -0.0, 33, 44, 55);
1936 ASSERT (result != NULL);
1937 if (have_minus_zero ())
1938 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1939 || strcmp (result, "-0.000000e+000 33") == 0);
1940 ASSERT (retval == strlen (result));
1944 { /* Positive infinity. */
1947 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1948 ASSERT (result != NULL);
1949 ASSERT (strcmp (result, "inf 33") == 0
1950 || strcmp (result, "infinity 33") == 0);
1951 ASSERT (retval == strlen (result));
1955 { /* Negative infinity. */
1958 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1959 ASSERT (result != NULL);
1960 ASSERT (strcmp (result, "-inf 33") == 0
1961 || strcmp (result, "-infinity 33") == 0);
1962 ASSERT (retval == strlen (result));
1969 my_asprintf (&result, "%e %d", NaNd (), 33, 44, 55);
1970 ASSERT (result != NULL);
1971 ASSERT (strlen (result) >= 3 + 3
1972 && strisnan (result, 0, strlen (result) - 3, 0)
1973 && strcmp (result + strlen (result) - 3, " 33") == 0);
1974 ASSERT (retval == strlen (result));
1981 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
1982 ASSERT (result != NULL);
1983 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1984 || strcmp (result, " 1.750000e+000 33") == 0);
1985 ASSERT (retval == strlen (result));
1992 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
1993 ASSERT (result != NULL);
1994 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1995 || strcmp (result, "1.750000e+000 33") == 0);
1996 ASSERT (retval == strlen (result));
2000 { /* FLAG_SHOWSIGN. */
2003 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2004 ASSERT (result != NULL);
2005 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2006 || strcmp (result, "+1.750000e+000 33") == 0);
2007 ASSERT (retval == strlen (result));
2014 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2015 ASSERT (result != NULL);
2016 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2017 || strcmp (result, " 1.750000e+000 33") == 0);
2018 ASSERT (retval == strlen (result));
2025 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2026 ASSERT (result != NULL);
2027 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2028 || strcmp (result, "1.750000e+000 33") == 0);
2029 ASSERT (retval == strlen (result));
2036 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2037 ASSERT (result != NULL);
2038 ASSERT (strcmp (result, "2.e+00 33") == 0
2039 || strcmp (result, "2.e+000 33") == 0);
2040 ASSERT (retval == strlen (result));
2047 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2048 ASSERT (result != NULL);
2049 ASSERT (strcmp (result, "1.e+01 33") == 0
2050 || strcmp (result, "1.e+001 33") == 0);
2051 ASSERT (retval == strlen (result));
2055 { /* FLAG_ZERO with finite number. */
2058 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2059 ASSERT (result != NULL);
2060 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2061 || strcmp (result, "001.234000e+003 33") == 0);
2062 ASSERT (retval == strlen (result));
2066 { /* FLAG_ZERO with infinite number. */
2069 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2070 ASSERT (result != NULL);
2071 ASSERT (strcmp (result, " -inf 33") == 0
2072 || strcmp (result, " -infinity 33") == 0);
2073 ASSERT (retval == strlen (result));
2077 { /* FLAG_ZERO with NaN. */
2080 my_asprintf (&result, "%050e %d", NaNd (), 33, 44, 55);
2081 ASSERT (result != NULL);
2082 ASSERT (strlen (result) == 50 + 3
2083 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2084 && strcmp (result + strlen (result) - 3, " 33") == 0);
2085 ASSERT (retval == strlen (result));
2092 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2093 ASSERT (result != NULL);
2094 ASSERT (strcmp (result, "1e+03 33") == 0
2095 || strcmp (result, "1e+003 33") == 0);
2096 ASSERT (retval == strlen (result));
2100 { /* A positive number. */
2103 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2104 ASSERT (result != NULL);
2105 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
2106 ASSERT (retval == strlen (result));
2110 { /* A larger positive number. */
2113 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2114 ASSERT (result != NULL);
2115 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
2116 ASSERT (retval == strlen (result));
2120 { /* Small and large positive numbers. */
2121 static struct { long double value; const char *string; } data[] =
2123 { 1.234321234321234e-37L, "1.234321e-37" },
2124 { 1.234321234321234e-36L, "1.234321e-36" },
2125 { 1.234321234321234e-35L, "1.234321e-35" },
2126 { 1.234321234321234e-34L, "1.234321e-34" },
2127 { 1.234321234321234e-33L, "1.234321e-33" },
2128 { 1.234321234321234e-32L, "1.234321e-32" },
2129 { 1.234321234321234e-31L, "1.234321e-31" },
2130 { 1.234321234321234e-30L, "1.234321e-30" },
2131 { 1.234321234321234e-29L, "1.234321e-29" },
2132 { 1.234321234321234e-28L, "1.234321e-28" },
2133 { 1.234321234321234e-27L, "1.234321e-27" },
2134 { 1.234321234321234e-26L, "1.234321e-26" },
2135 { 1.234321234321234e-25L, "1.234321e-25" },
2136 { 1.234321234321234e-24L, "1.234321e-24" },
2137 { 1.234321234321234e-23L, "1.234321e-23" },
2138 { 1.234321234321234e-22L, "1.234321e-22" },
2139 { 1.234321234321234e-21L, "1.234321e-21" },
2140 { 1.234321234321234e-20L, "1.234321e-20" },
2141 { 1.234321234321234e-19L, "1.234321e-19" },
2142 { 1.234321234321234e-18L, "1.234321e-18" },
2143 { 1.234321234321234e-17L, "1.234321e-17" },
2144 { 1.234321234321234e-16L, "1.234321e-16" },
2145 { 1.234321234321234e-15L, "1.234321e-15" },
2146 { 1.234321234321234e-14L, "1.234321e-14" },
2147 { 1.234321234321234e-13L, "1.234321e-13" },
2148 { 1.234321234321234e-12L, "1.234321e-12" },
2149 { 1.234321234321234e-11L, "1.234321e-11" },
2150 { 1.234321234321234e-10L, "1.234321e-10" },
2151 { 1.234321234321234e-9L, "1.234321e-09" },
2152 { 1.234321234321234e-8L, "1.234321e-08" },
2153 { 1.234321234321234e-7L, "1.234321e-07" },
2154 { 1.234321234321234e-6L, "1.234321e-06" },
2155 { 1.234321234321234e-5L, "1.234321e-05" },
2156 { 1.234321234321234e-4L, "1.234321e-04" },
2157 { 1.234321234321234e-3L, "1.234321e-03" },
2158 { 1.234321234321234e-2L, "1.234321e-02" },
2159 { 1.234321234321234e-1L, "1.234321e-01" },
2160 { 1.234321234321234L, "1.234321e+00" },
2161 { 1.234321234321234e1L, "1.234321e+01" },
2162 { 1.234321234321234e2L, "1.234321e+02" },
2163 { 1.234321234321234e3L, "1.234321e+03" },
2164 { 1.234321234321234e4L, "1.234321e+04" },
2165 { 1.234321234321234e5L, "1.234321e+05" },
2166 { 1.234321234321234e6L, "1.234321e+06" },
2167 { 1.234321234321234e7L, "1.234321e+07" },
2168 { 1.234321234321234e8L, "1.234321e+08" },
2169 { 1.234321234321234e9L, "1.234321e+09" },
2170 { 1.234321234321234e10L, "1.234321e+10" },
2171 { 1.234321234321234e11L, "1.234321e+11" },
2172 { 1.234321234321234e12L, "1.234321e+12" },
2173 { 1.234321234321234e13L, "1.234321e+13" },
2174 { 1.234321234321234e14L, "1.234321e+14" },
2175 { 1.234321234321234e15L, "1.234321e+15" },
2176 { 1.234321234321234e16L, "1.234321e+16" },
2177 { 1.234321234321234e17L, "1.234321e+17" },
2178 { 1.234321234321234e18L, "1.234321e+18" },
2179 { 1.234321234321234e19L, "1.234321e+19" },
2180 { 1.234321234321234e20L, "1.234321e+20" },
2181 { 1.234321234321234e21L, "1.234321e+21" },
2182 { 1.234321234321234e22L, "1.234321e+22" },
2183 { 1.234321234321234e23L, "1.234321e+23" },
2184 { 1.234321234321234e24L, "1.234321e+24" },
2185 { 1.234321234321234e25L, "1.234321e+25" },
2186 { 1.234321234321234e26L, "1.234321e+26" },
2187 { 1.234321234321234e27L, "1.234321e+27" },
2188 { 1.234321234321234e28L, "1.234321e+28" },
2189 { 1.234321234321234e29L, "1.234321e+29" },
2190 { 1.234321234321234e30L, "1.234321e+30" },
2191 { 1.234321234321234e31L, "1.234321e+31" },
2192 { 1.234321234321234e32L, "1.234321e+32" },
2193 { 1.234321234321234e33L, "1.234321e+33" },
2194 { 1.234321234321234e34L, "1.234321e+34" },
2195 { 1.234321234321234e35L, "1.234321e+35" },
2196 { 1.234321234321234e36L, "1.234321e+36" }
2199 for (k = 0; k < SIZEOF (data); k++)
2203 my_asprintf (&result, "%Le", data[k].value);
2204 ASSERT (result != NULL);
2205 ASSERT (strcmp (result, data[k].string) == 0);
2206 ASSERT (retval == strlen (result));
2211 { /* A negative number. */
2214 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2215 ASSERT (result != NULL);
2216 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
2217 ASSERT (retval == strlen (result));
2221 { /* Positive zero. */
2224 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2225 ASSERT (result != NULL);
2226 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
2227 ASSERT (retval == strlen (result));
2231 { /* Negative zero. */
2234 my_asprintf (&result, "%Le %d", -0.0L, 33, 44, 55);
2235 ASSERT (result != NULL);
2236 if (have_minus_zero ())
2237 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
2238 ASSERT (retval == strlen (result));
2242 { /* Positive infinity. */
2245 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2246 ASSERT (result != NULL);
2247 ASSERT (strcmp (result, "inf 33") == 0
2248 || strcmp (result, "infinity 33") == 0);
2249 ASSERT (retval == strlen (result));
2253 { /* Negative infinity. */
2256 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2257 ASSERT (result != NULL);
2258 ASSERT (strcmp (result, "-inf 33") == 0
2259 || strcmp (result, "-infinity 33") == 0);
2260 ASSERT (retval == strlen (result));
2267 my_asprintf (&result, "%Le %d", NaNl (), 33, 44, 55);
2268 ASSERT (result != NULL);
2269 ASSERT (strlen (result) >= 3 + 3
2270 && strisnan (result, 0, strlen (result) - 3, 0)
2271 && strcmp (result + strlen (result) - 3, " 33") == 0);
2272 ASSERT (retval == strlen (result));
2275 #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_))
2277 static union { unsigned int word[4]; long double value; } x =
2278 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2281 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2282 ASSERT (result != NULL);
2283 ASSERT (strlen (result) >= 3 + 3
2284 && strisnan (result, 0, strlen (result) - 3, 0)
2285 && strcmp (result + strlen (result) - 3, " 33") == 0);
2286 ASSERT (retval == strlen (result));
2290 /* Signalling NaN. */
2291 static union { unsigned int word[4]; long double value; } x =
2292 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2295 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2296 ASSERT (result != NULL);
2297 ASSERT (strlen (result) >= 3 + 3
2298 && strisnan (result, 0, strlen (result) - 3, 0)
2299 && strcmp (result + strlen (result) - 3, " 33") == 0);
2300 ASSERT (retval == strlen (result));
2303 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2304 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2305 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2306 Application Architecture.
2307 Table 5-2 "Floating-Point Register Encodings"
2308 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2311 static union { unsigned int word[4]; long double value; } x =
2312 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2315 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2316 ASSERT (result != NULL);
2317 ASSERT (strlen (result) >= 3 + 3
2318 && strisnan (result, 0, strlen (result) - 3, 0)
2319 && strcmp (result + strlen (result) - 3, " 33") == 0);
2320 ASSERT (retval == strlen (result));
2323 { /* Pseudo-Infinity. */
2324 static union { unsigned int word[4]; long double value; } x =
2325 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2328 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2329 ASSERT (result != NULL);
2330 ASSERT (strlen (result) >= 3 + 3
2331 && strisnan (result, 0, strlen (result) - 3, 0)
2332 && strcmp (result + strlen (result) - 3, " 33") == 0);
2333 ASSERT (retval == strlen (result));
2336 { /* Pseudo-Zero. */
2337 static union { unsigned int word[4]; long double value; } x =
2338 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2341 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2342 ASSERT (result != NULL);
2343 ASSERT (strlen (result) >= 3 + 3
2344 && strisnan (result, 0, strlen (result) - 3, 0)
2345 && strcmp (result + strlen (result) - 3, " 33") == 0);
2346 ASSERT (retval == strlen (result));
2349 { /* Unnormalized number. */
2350 static union { unsigned int word[4]; long double value; } x =
2351 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2354 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2355 ASSERT (result != NULL);
2356 ASSERT (strlen (result) >= 3 + 3
2357 && strisnan (result, 0, strlen (result) - 3, 0)
2358 && strcmp (result + strlen (result) - 3, " 33") == 0);
2359 ASSERT (retval == strlen (result));
2362 { /* Pseudo-Denormal. */
2363 static union { unsigned int word[4]; long double value; } x =
2364 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2367 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2368 ASSERT (result != NULL);
2369 ASSERT (strlen (result) >= 3 + 3
2370 && strisnan (result, 0, strlen (result) - 3, 0)
2371 && strcmp (result + strlen (result) - 3, " 33") == 0);
2372 ASSERT (retval == strlen (result));
2380 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2381 ASSERT (result != NULL);
2382 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2383 ASSERT (retval == strlen (result));
2390 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2391 ASSERT (result != NULL);
2392 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2393 ASSERT (retval == strlen (result));
2397 { /* FLAG_SHOWSIGN. */
2400 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2401 ASSERT (result != NULL);
2402 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2403 ASSERT (retval == strlen (result));
2410 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2411 ASSERT (result != NULL);
2412 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2413 ASSERT (retval == strlen (result));
2420 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2421 ASSERT (result != NULL);
2422 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2423 ASSERT (retval == strlen (result));
2430 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2431 ASSERT (result != NULL);
2432 ASSERT (strcmp (result, "2.e+00 33") == 0);
2433 ASSERT (retval == strlen (result));
2440 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2441 ASSERT (result != NULL);
2442 ASSERT (strcmp (result, "1.e+01 33") == 0);
2443 ASSERT (retval == strlen (result));
2447 { /* FLAG_ZERO with finite number. */
2450 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2451 ASSERT (result != NULL);
2452 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2453 ASSERT (retval == strlen (result));
2457 { /* FLAG_ZERO with infinite number. */
2460 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2461 ASSERT (result != NULL);
2462 ASSERT (strcmp (result, " -inf 33") == 0
2463 || strcmp (result, " -infinity 33") == 0);
2464 ASSERT (retval == strlen (result));
2468 { /* FLAG_ZERO with NaN. */
2471 my_asprintf (&result, "%050Le %d", NaNl (), 33, 44, 55);
2472 ASSERT (result != NULL);
2473 ASSERT (strlen (result) == 50 + 3
2474 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2475 && strcmp (result + strlen (result) - 3, " 33") == 0);
2476 ASSERT (retval == strlen (result));
2483 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2484 ASSERT (result != NULL);
2485 ASSERT (strcmp (result, "1e+03 33") == 0);
2486 ASSERT (retval == strlen (result));
2490 /* Test the support of the %g format directive. */
2492 { /* A positive number. */
2495 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2496 ASSERT (result != NULL);
2497 ASSERT (strcmp (result, "12.75 33") == 0);
2498 ASSERT (retval == strlen (result));
2502 { /* A larger positive number. */
2505 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2506 ASSERT (result != NULL);
2507 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2508 || strcmp (result, "1.23457e+006 33") == 0);
2509 ASSERT (retval == strlen (result));
2513 { /* Small and large positive numbers. */
2514 static struct { double value; const char *string; } data[] =
2516 { 1.234321234321234e-37, "1.23432e-37" },
2517 { 1.234321234321234e-36, "1.23432e-36" },
2518 { 1.234321234321234e-35, "1.23432e-35" },
2519 { 1.234321234321234e-34, "1.23432e-34" },
2520 { 1.234321234321234e-33, "1.23432e-33" },
2521 { 1.234321234321234e-32, "1.23432e-32" },
2522 { 1.234321234321234e-31, "1.23432e-31" },
2523 { 1.234321234321234e-30, "1.23432e-30" },
2524 { 1.234321234321234e-29, "1.23432e-29" },
2525 { 1.234321234321234e-28, "1.23432e-28" },
2526 { 1.234321234321234e-27, "1.23432e-27" },
2527 { 1.234321234321234e-26, "1.23432e-26" },
2528 { 1.234321234321234e-25, "1.23432e-25" },
2529 { 1.234321234321234e-24, "1.23432e-24" },
2530 { 1.234321234321234e-23, "1.23432e-23" },
2531 { 1.234321234321234e-22, "1.23432e-22" },
2532 { 1.234321234321234e-21, "1.23432e-21" },
2533 { 1.234321234321234e-20, "1.23432e-20" },
2534 { 1.234321234321234e-19, "1.23432e-19" },
2535 { 1.234321234321234e-18, "1.23432e-18" },
2536 { 1.234321234321234e-17, "1.23432e-17" },
2537 { 1.234321234321234e-16, "1.23432e-16" },
2538 { 1.234321234321234e-15, "1.23432e-15" },
2539 { 1.234321234321234e-14, "1.23432e-14" },
2540 { 1.234321234321234e-13, "1.23432e-13" },
2541 { 1.234321234321234e-12, "1.23432e-12" },
2542 { 1.234321234321234e-11, "1.23432e-11" },
2543 { 1.234321234321234e-10, "1.23432e-10" },
2544 { 1.234321234321234e-9, "1.23432e-09" },
2545 { 1.234321234321234e-8, "1.23432e-08" },
2546 { 1.234321234321234e-7, "1.23432e-07" },
2547 { 1.234321234321234e-6, "1.23432e-06" },
2548 { 1.234321234321234e-5, "1.23432e-05" },
2549 { 1.234321234321234e-4, "0.000123432" },
2550 { 1.234321234321234e-3, "0.00123432" },
2551 { 1.234321234321234e-2, "0.0123432" },
2552 { 1.234321234321234e-1, "0.123432" },
2553 { 1.234321234321234, "1.23432" },
2554 { 1.234321234321234e1, "12.3432" },
2555 { 1.234321234321234e2, "123.432" },
2556 { 1.234321234321234e3, "1234.32" },
2557 { 1.234321234321234e4, "12343.2" },
2558 { 1.234321234321234e5, "123432" },
2559 { 1.234321234321234e6, "1.23432e+06" },
2560 { 1.234321234321234e7, "1.23432e+07" },
2561 { 1.234321234321234e8, "1.23432e+08" },
2562 { 1.234321234321234e9, "1.23432e+09" },
2563 { 1.234321234321234e10, "1.23432e+10" },
2564 { 1.234321234321234e11, "1.23432e+11" },
2565 { 1.234321234321234e12, "1.23432e+12" },
2566 { 1.234321234321234e13, "1.23432e+13" },
2567 { 1.234321234321234e14, "1.23432e+14" },
2568 { 1.234321234321234e15, "1.23432e+15" },
2569 { 1.234321234321234e16, "1.23432e+16" },
2570 { 1.234321234321234e17, "1.23432e+17" },
2571 { 1.234321234321234e18, "1.23432e+18" },
2572 { 1.234321234321234e19, "1.23432e+19" },
2573 { 1.234321234321234e20, "1.23432e+20" },
2574 { 1.234321234321234e21, "1.23432e+21" },
2575 { 1.234321234321234e22, "1.23432e+22" },
2576 { 1.234321234321234e23, "1.23432e+23" },
2577 { 1.234321234321234e24, "1.23432e+24" },
2578 { 1.234321234321234e25, "1.23432e+25" },
2579 { 1.234321234321234e26, "1.23432e+26" },
2580 { 1.234321234321234e27, "1.23432e+27" },
2581 { 1.234321234321234e28, "1.23432e+28" },
2582 { 1.234321234321234e29, "1.23432e+29" },
2583 { 1.234321234321234e30, "1.23432e+30" },
2584 { 1.234321234321234e31, "1.23432e+31" },
2585 { 1.234321234321234e32, "1.23432e+32" },
2586 { 1.234321234321234e33, "1.23432e+33" },
2587 { 1.234321234321234e34, "1.23432e+34" },
2588 { 1.234321234321234e35, "1.23432e+35" },
2589 { 1.234321234321234e36, "1.23432e+36" }
2592 for (k = 0; k < SIZEOF (data); k++)
2596 my_asprintf (&result, "%g", data[k].value);
2597 const char *expected = data[k].string;
2598 ASSERT (result != NULL);
2599 ASSERT (strcmp (result, expected) == 0
2600 /* Some implementations produce exponents with 3 digits. */
2601 || (expected[strlen (expected) - 4] == 'e'
2602 && strlen (result) == strlen (expected) + 1
2603 && memcmp (result, expected, strlen (expected) - 2) == 0
2604 && result[strlen (expected) - 2] == '0'
2605 && strcmp (result + strlen (expected) - 1,
2606 expected + strlen (expected) - 2)
2608 ASSERT (retval == strlen (result));
2613 { /* A negative number. */
2616 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2617 ASSERT (result != NULL);
2618 ASSERT (strcmp (result, "-0.03125 33") == 0);
2619 ASSERT (retval == strlen (result));
2623 { /* Positive zero. */
2626 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2627 ASSERT (result != NULL);
2628 ASSERT (strcmp (result, "0 33") == 0);
2629 ASSERT (retval == strlen (result));
2633 { /* Negative zero. */
2636 my_asprintf (&result, "%g %d", -0.0, 33, 44, 55);
2637 ASSERT (result != NULL);
2638 if (have_minus_zero ())
2639 ASSERT (strcmp (result, "-0 33") == 0);
2640 ASSERT (retval == strlen (result));
2644 { /* Positive infinity. */
2647 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2648 ASSERT (result != NULL);
2649 ASSERT (strcmp (result, "inf 33") == 0
2650 || strcmp (result, "infinity 33") == 0);
2651 ASSERT (retval == strlen (result));
2655 { /* Negative infinity. */
2658 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2659 ASSERT (result != NULL);
2660 ASSERT (strcmp (result, "-inf 33") == 0
2661 || strcmp (result, "-infinity 33") == 0);
2662 ASSERT (retval == strlen (result));
2669 my_asprintf (&result, "%g %d", NaNd (), 33, 44, 55);
2670 ASSERT (result != NULL);
2671 ASSERT (strlen (result) >= 3 + 3
2672 && strisnan (result, 0, strlen (result) - 3, 0)
2673 && strcmp (result + strlen (result) - 3, " 33") == 0);
2674 ASSERT (retval == strlen (result));
2681 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2682 ASSERT (result != NULL);
2683 ASSERT (strcmp (result, " 1.75 33") == 0);
2684 ASSERT (retval == strlen (result));
2691 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2692 ASSERT (result != NULL);
2693 ASSERT (strcmp (result, "1.75 33") == 0);
2694 ASSERT (retval == strlen (result));
2698 { /* FLAG_SHOWSIGN. */
2701 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2702 ASSERT (result != NULL);
2703 ASSERT (strcmp (result, "+1.75 33") == 0);
2704 ASSERT (retval == strlen (result));
2711 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2712 ASSERT (result != NULL);
2713 ASSERT (strcmp (result, " 1.75 33") == 0);
2714 ASSERT (retval == strlen (result));
2721 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2722 ASSERT (result != NULL);
2723 ASSERT (strcmp (result, "1.75000 33") == 0);
2724 ASSERT (retval == strlen (result));
2731 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2732 ASSERT (result != NULL);
2733 ASSERT (strcmp (result, "2. 33") == 0);
2734 ASSERT (retval == strlen (result));
2741 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2742 ASSERT (result != NULL);
2743 ASSERT (strcmp (result, "1.e+01 33") == 0
2744 || strcmp (result, "1.e+001 33") == 0);
2745 ASSERT (retval == strlen (result));
2749 { /* FLAG_ZERO with finite number. */
2752 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2753 ASSERT (result != NULL);
2754 ASSERT (strcmp (result, "0000001234 33") == 0);
2755 ASSERT (retval == strlen (result));
2759 { /* FLAG_ZERO with infinite number. */
2762 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2763 ASSERT (result != NULL);
2764 ASSERT (strcmp (result, " -inf 33") == 0
2765 || strcmp (result, " -infinity 33") == 0);
2766 ASSERT (retval == strlen (result));
2770 { /* FLAG_ZERO with NaN. */
2773 my_asprintf (&result, "%050g %d", NaNd (), 33, 44, 55);
2774 ASSERT (result != NULL);
2775 ASSERT (strlen (result) == 50 + 3
2776 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2777 && strcmp (result + strlen (result) - 3, " 33") == 0);
2778 ASSERT (retval == strlen (result));
2785 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2786 ASSERT (result != NULL);
2787 ASSERT (strcmp (result, "1e+03 33") == 0
2788 || strcmp (result, "1e+003 33") == 0);
2789 ASSERT (retval == strlen (result));
2793 { /* A positive number. */
2796 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2797 ASSERT (result != NULL);
2798 ASSERT (strcmp (result, "12.75 33") == 0);
2799 ASSERT (retval == strlen (result));
2803 { /* A larger positive number. */
2806 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2807 ASSERT (result != NULL);
2808 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2809 ASSERT (retval == strlen (result));
2813 { /* Small and large positive numbers. */
2814 static struct { long double value; const char *string; } data[] =
2816 { 1.234321234321234e-37L, "1.23432e-37" },
2817 { 1.234321234321234e-36L, "1.23432e-36" },
2818 { 1.234321234321234e-35L, "1.23432e-35" },
2819 { 1.234321234321234e-34L, "1.23432e-34" },
2820 { 1.234321234321234e-33L, "1.23432e-33" },
2821 { 1.234321234321234e-32L, "1.23432e-32" },
2822 { 1.234321234321234e-31L, "1.23432e-31" },
2823 { 1.234321234321234e-30L, "1.23432e-30" },
2824 { 1.234321234321234e-29L, "1.23432e-29" },
2825 { 1.234321234321234e-28L, "1.23432e-28" },
2826 { 1.234321234321234e-27L, "1.23432e-27" },
2827 { 1.234321234321234e-26L, "1.23432e-26" },
2828 { 1.234321234321234e-25L, "1.23432e-25" },
2829 { 1.234321234321234e-24L, "1.23432e-24" },
2830 { 1.234321234321234e-23L, "1.23432e-23" },
2831 { 1.234321234321234e-22L, "1.23432e-22" },
2832 { 1.234321234321234e-21L, "1.23432e-21" },
2833 { 1.234321234321234e-20L, "1.23432e-20" },
2834 { 1.234321234321234e-19L, "1.23432e-19" },
2835 { 1.234321234321234e-18L, "1.23432e-18" },
2836 { 1.234321234321234e-17L, "1.23432e-17" },
2837 { 1.234321234321234e-16L, "1.23432e-16" },
2838 { 1.234321234321234e-15L, "1.23432e-15" },
2839 { 1.234321234321234e-14L, "1.23432e-14" },
2840 { 1.234321234321234e-13L, "1.23432e-13" },
2841 { 1.234321234321234e-12L, "1.23432e-12" },
2842 { 1.234321234321234e-11L, "1.23432e-11" },
2843 { 1.234321234321234e-10L, "1.23432e-10" },
2844 { 1.234321234321234e-9L, "1.23432e-09" },
2845 { 1.234321234321234e-8L, "1.23432e-08" },
2846 { 1.234321234321234e-7L, "1.23432e-07" },
2847 { 1.234321234321234e-6L, "1.23432e-06" },
2848 { 1.234321234321234e-5L, "1.23432e-05" },
2849 { 1.234321234321234e-4L, "0.000123432" },
2850 { 1.234321234321234e-3L, "0.00123432" },
2851 { 1.234321234321234e-2L, "0.0123432" },
2852 { 1.234321234321234e-1L, "0.123432" },
2853 { 1.234321234321234L, "1.23432" },
2854 { 1.234321234321234e1L, "12.3432" },
2855 { 1.234321234321234e2L, "123.432" },
2856 { 1.234321234321234e3L, "1234.32" },
2857 { 1.234321234321234e4L, "12343.2" },
2858 { 1.234321234321234e5L, "123432" },
2859 { 1.234321234321234e6L, "1.23432e+06" },
2860 { 1.234321234321234e7L, "1.23432e+07" },
2861 { 1.234321234321234e8L, "1.23432e+08" },
2862 { 1.234321234321234e9L, "1.23432e+09" },
2863 { 1.234321234321234e10L, "1.23432e+10" },
2864 { 1.234321234321234e11L, "1.23432e+11" },
2865 { 1.234321234321234e12L, "1.23432e+12" },
2866 { 1.234321234321234e13L, "1.23432e+13" },
2867 { 1.234321234321234e14L, "1.23432e+14" },
2868 { 1.234321234321234e15L, "1.23432e+15" },
2869 { 1.234321234321234e16L, "1.23432e+16" },
2870 { 1.234321234321234e17L, "1.23432e+17" },
2871 { 1.234321234321234e18L, "1.23432e+18" },
2872 { 1.234321234321234e19L, "1.23432e+19" },
2873 { 1.234321234321234e20L, "1.23432e+20" },
2874 { 1.234321234321234e21L, "1.23432e+21" },
2875 { 1.234321234321234e22L, "1.23432e+22" },
2876 { 1.234321234321234e23L, "1.23432e+23" },
2877 { 1.234321234321234e24L, "1.23432e+24" },
2878 { 1.234321234321234e25L, "1.23432e+25" },
2879 { 1.234321234321234e26L, "1.23432e+26" },
2880 { 1.234321234321234e27L, "1.23432e+27" },
2881 { 1.234321234321234e28L, "1.23432e+28" },
2882 { 1.234321234321234e29L, "1.23432e+29" },
2883 { 1.234321234321234e30L, "1.23432e+30" },
2884 { 1.234321234321234e31L, "1.23432e+31" },
2885 { 1.234321234321234e32L, "1.23432e+32" },
2886 { 1.234321234321234e33L, "1.23432e+33" },
2887 { 1.234321234321234e34L, "1.23432e+34" },
2888 { 1.234321234321234e35L, "1.23432e+35" },
2889 { 1.234321234321234e36L, "1.23432e+36" }
2892 for (k = 0; k < SIZEOF (data); k++)
2896 my_asprintf (&result, "%Lg", data[k].value);
2897 ASSERT (result != NULL);
2898 ASSERT (strcmp (result, data[k].string) == 0);
2899 ASSERT (retval == strlen (result));
2904 { /* A negative number. */
2907 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
2908 ASSERT (result != NULL);
2909 ASSERT (strcmp (result, "-0.03125 33") == 0);
2910 ASSERT (retval == strlen (result));
2914 { /* Positive zero. */
2917 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
2918 ASSERT (result != NULL);
2919 ASSERT (strcmp (result, "0 33") == 0);
2920 ASSERT (retval == strlen (result));
2924 { /* Negative zero. */
2927 my_asprintf (&result, "%Lg %d", -0.0L, 33, 44, 55);
2928 ASSERT (result != NULL);
2929 if (have_minus_zero ())
2930 ASSERT (strcmp (result, "-0 33") == 0);
2931 ASSERT (retval == strlen (result));
2935 { /* Positive infinity. */
2938 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2939 ASSERT (result != NULL);
2940 ASSERT (strcmp (result, "inf 33") == 0
2941 || strcmp (result, "infinity 33") == 0);
2942 ASSERT (retval == strlen (result));
2946 { /* Negative infinity. */
2949 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2950 ASSERT (result != NULL);
2951 ASSERT (strcmp (result, "-inf 33") == 0
2952 || strcmp (result, "-infinity 33") == 0);
2953 ASSERT (retval == strlen (result));
2960 my_asprintf (&result, "%Lg %d", NaNl (), 33, 44, 55);
2961 ASSERT (result != NULL);
2962 ASSERT (strlen (result) >= 3 + 3
2963 && strisnan (result, 0, strlen (result) - 3, 0)
2964 && strcmp (result + strlen (result) - 3, " 33") == 0);
2965 ASSERT (retval == strlen (result));
2968 #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_))
2970 static union { unsigned int word[4]; long double value; } x =
2971 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2974 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2975 ASSERT (result != NULL);
2976 ASSERT (strlen (result) >= 3 + 3
2977 && strisnan (result, 0, strlen (result) - 3, 0)
2978 && strcmp (result + strlen (result) - 3, " 33") == 0);
2979 ASSERT (retval == strlen (result));
2983 /* Signalling NaN. */
2984 static union { unsigned int word[4]; long double value; } x =
2985 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2988 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2989 ASSERT (result != NULL);
2990 ASSERT (strlen (result) >= 3 + 3
2991 && strisnan (result, 0, strlen (result) - 3, 0)
2992 && strcmp (result + strlen (result) - 3, " 33") == 0);
2993 ASSERT (retval == strlen (result));
2996 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2997 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2998 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2999 Application Architecture.
3000 Table 5-2 "Floating-Point Register Encodings"
3001 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3004 static union { unsigned int word[4]; long double value; } x =
3005 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3008 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3009 ASSERT (result != NULL);
3010 ASSERT (strlen (result) >= 3 + 3
3011 && strisnan (result, 0, strlen (result) - 3, 0)
3012 && strcmp (result + strlen (result) - 3, " 33") == 0);
3013 ASSERT (retval == strlen (result));
3016 { /* Pseudo-Infinity. */
3017 static union { unsigned int word[4]; long double value; } x =
3018 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3021 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3022 ASSERT (result != NULL);
3023 ASSERT (strlen (result) >= 3 + 3
3024 && strisnan (result, 0, strlen (result) - 3, 0)
3025 && strcmp (result + strlen (result) - 3, " 33") == 0);
3026 ASSERT (retval == strlen (result));
3029 { /* Pseudo-Zero. */
3030 static union { unsigned int word[4]; long double value; } x =
3031 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3034 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3035 ASSERT (result != NULL);
3036 ASSERT (strlen (result) >= 3 + 3
3037 && strisnan (result, 0, strlen (result) - 3, 0)
3038 && strcmp (result + strlen (result) - 3, " 33") == 0);
3039 ASSERT (retval == strlen (result));
3042 { /* Unnormalized number. */
3043 static union { unsigned int word[4]; long double value; } x =
3044 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3047 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3048 ASSERT (result != NULL);
3049 ASSERT (strlen (result) >= 3 + 3
3050 && strisnan (result, 0, strlen (result) - 3, 0)
3051 && strcmp (result + strlen (result) - 3, " 33") == 0);
3052 ASSERT (retval == strlen (result));
3055 { /* Pseudo-Denormal. */
3056 static union { unsigned int word[4]; long double value; } x =
3057 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3060 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3061 ASSERT (result != NULL);
3062 ASSERT (strlen (result) >= 3 + 3
3063 && strisnan (result, 0, strlen (result) - 3, 0)
3064 && strcmp (result + strlen (result) - 3, " 33") == 0);
3065 ASSERT (retval == strlen (result));
3073 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3074 ASSERT (result != NULL);
3075 ASSERT (strcmp (result, " 1.75 33") == 0);
3076 ASSERT (retval == strlen (result));
3083 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3084 ASSERT (result != NULL);
3085 ASSERT (strcmp (result, "1.75 33") == 0);
3086 ASSERT (retval == strlen (result));
3090 { /* FLAG_SHOWSIGN. */
3093 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3094 ASSERT (result != NULL);
3095 ASSERT (strcmp (result, "+1.75 33") == 0);
3096 ASSERT (retval == strlen (result));
3103 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3104 ASSERT (result != NULL);
3105 ASSERT (strcmp (result, " 1.75 33") == 0);
3106 ASSERT (retval == strlen (result));
3113 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3114 ASSERT (result != NULL);
3115 ASSERT (strcmp (result, "1.75000 33") == 0);
3116 ASSERT (retval == strlen (result));
3123 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3124 ASSERT (result != NULL);
3125 ASSERT (strcmp (result, "2. 33") == 0);
3126 ASSERT (retval == strlen (result));
3133 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3134 ASSERT (result != NULL);
3135 ASSERT (strcmp (result, "1.e+01 33") == 0);
3136 ASSERT (retval == strlen (result));
3140 { /* FLAG_ZERO with finite number. */
3143 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3144 ASSERT (result != NULL);
3145 ASSERT (strcmp (result, "0000001234 33") == 0);
3146 ASSERT (retval == strlen (result));
3150 { /* FLAG_ZERO with infinite number. */
3153 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3154 ASSERT (result != NULL);
3155 ASSERT (strcmp (result, " -inf 33") == 0
3156 || strcmp (result, " -infinity 33") == 0);
3157 ASSERT (retval == strlen (result));
3161 { /* FLAG_ZERO with NaN. */
3164 my_asprintf (&result, "%050Lg %d", NaNl (), 33, 44, 55);
3165 ASSERT (result != NULL);
3166 ASSERT (strlen (result) == 50 + 3
3167 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3168 && strcmp (result + strlen (result) - 3, " 33") == 0);
3169 ASSERT (retval == strlen (result));
3176 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3177 ASSERT (result != NULL);
3178 ASSERT (strcmp (result, "1e+03 33") == 0);
3179 ASSERT (retval == strlen (result));
3183 /* Test the support of the %n format directive. */
3189 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3190 ASSERT (result != NULL);
3191 ASSERT (strcmp (result, "123 ") == 0);
3192 ASSERT (retval == strlen (result));
3193 ASSERT (count == 4);
3197 /* Test the support of the POSIX/XSI format strings with positions. */
3202 my_asprintf (&result, "%2$d %1$d", 33, 55);
3203 ASSERT (result != NULL);
3204 ASSERT (strcmp (result, "55 33") == 0);
3205 ASSERT (retval == strlen (result));
3209 /* Test the support of the grouping flag. */
3214 my_asprintf (&result, "%'d %d", 1234567, 99);
3215 ASSERT (result != NULL);
3216 ASSERT (result[strlen (result) - 1] == '9');
3217 ASSERT (retval == strlen (result));
3221 /* Test the support of the left-adjust flag. */
3226 my_asprintf (&result, "a%*sc", -3, "b");
3227 ASSERT (result != NULL);
3228 ASSERT (strcmp (result, "ab c") == 0);
3229 ASSERT (retval == strlen (result));
3236 my_asprintf (&result, "a%-*sc", 3, "b");
3237 ASSERT (result != NULL);
3238 ASSERT (strcmp (result, "ab c") == 0);
3239 ASSERT (retval == strlen (result));
3246 my_asprintf (&result, "a%-*sc", -3, "b");
3247 ASSERT (result != NULL);
3248 ASSERT (strcmp (result, "ab c") == 0);
3249 ASSERT (retval == strlen (result));
3253 /* Test the support of large precision. */
3258 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3260 ASSERT (result != NULL);
3261 for (i = 0; i < 4000 - 7; i++)
3262 ASSERT (result[i] == '0');
3263 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3264 ASSERT (retval == strlen (result));
3271 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3273 ASSERT (result != NULL);
3274 ASSERT (result[0] == '-');
3275 for (i = 0; i < 4000 - 7; i++)
3276 ASSERT (result[1 + i] == '0');
3277 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3278 ASSERT (retval == strlen (result));
3285 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3287 ASSERT (result != NULL);
3288 for (i = 0; i < 4000 - 7; i++)
3289 ASSERT (result[i] == '0');
3290 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3291 ASSERT (retval == strlen (result));
3298 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3300 ASSERT (result != NULL);
3301 for (i = 0; i < 4000 - 7; i++)
3302 ASSERT (result[i] == '0');
3303 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3304 ASSERT (retval == strlen (result));
3311 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3313 ASSERT (result != NULL);
3314 for (i = 0; i < 4000 - 6; i++)
3315 ASSERT (result[i] == '0');
3316 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3317 ASSERT (retval == strlen (result));
3324 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3326 ASSERT (result != NULL);
3327 ASSERT (result[0] == '0');
3328 ASSERT (result[1] == 'x');
3329 for (i = 0; i < 4000 - 6; i++)
3330 ASSERT (result[2 + i] == '0');
3331 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3332 ASSERT (retval == strlen (result));
3342 for (i = 0; i < sizeof (input) - 1; i++)
3343 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3345 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3346 ASSERT (result != NULL);
3347 ASSERT (memcmp (result, input, 4000) == 0);
3348 ASSERT (strcmp (result + 4000, " 99") == 0);
3349 ASSERT (retval == strlen (result));
3355 my_asprintf (char **result, const char *format, ...)
3360 va_start (args, format);
3361 ret = vasprintf (result, format, args);
3369 test_function (my_asprintf);
3375 test_function (asprintf);
3379 main (int argc, char *argv[])