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. */
32 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
33 #define ASSERT(expr) \
38 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
44 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
48 static double plus_zero = 0.0;
49 static double minus_zero = -0.0;
50 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
53 /* Representation of an 80-bit 'long double' as an initializer for a sequence
54 of 'unsigned int' words. */
55 #ifdef WORDS_BIGENDIAN
56 # define LDBL80_WORDS(exponent,manthi,mantlo) \
57 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
58 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
59 (unsigned int) (mantlo) << 16 \
62 # define LDBL80_WORDS(exponent,manthi,mantlo) \
63 { mantlo, manthi, exponent }
67 strmatch (const char *pattern, const char *string)
69 if (strlen (pattern) != strlen (string))
71 for (; *pattern != '\0'; pattern++, string++)
72 if (*pattern != '*' && *string != *pattern)
77 /* Test whether string[start_index..end_index-1] is a valid textual
78 representation of NaN. */
80 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
82 if (start_index < end_index)
84 if (string[start_index] == '-')
86 if (start_index + 3 <= end_index
87 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
90 if (start_index == end_index
91 || (string[start_index] == '(' && string[end_index - 1] == ')'))
99 test_function (int (*my_asprintf) (char **, const char *, ...))
103 /* Test return value convention. */
105 for (repeat = 0; repeat <= 8; repeat++)
108 int retval = asprintf (&result, "%d", 12345);
109 ASSERT (retval == 5);
110 ASSERT (result != NULL);
111 ASSERT (strcmp (result, "12345") == 0);
115 /* Test support of size specifiers as in C99. */
120 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
121 ASSERT (result != NULL);
122 ASSERT (strcmp (result, "12345671 33") == 0);
123 ASSERT (retval == strlen (result));
130 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
131 ASSERT (result != NULL);
132 ASSERT (strcmp (result, "12345672 33") == 0);
133 ASSERT (retval == strlen (result));
140 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
141 ASSERT (result != NULL);
142 ASSERT (strcmp (result, "12345673 33") == 0);
143 ASSERT (retval == strlen (result));
150 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
151 ASSERT (result != NULL);
152 ASSERT (strcmp (result, "1.5 33") == 0);
153 ASSERT (retval == strlen (result));
157 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
158 output of floating-point numbers. */
160 { /* A positive number. */
163 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
164 ASSERT (result != NULL);
165 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
166 || strcmp (result, "0x3.244p+0 33") == 0
167 || strcmp (result, "0x6.488p-1 33") == 0
168 || strcmp (result, "0xc.91p-2 33") == 0);
169 ASSERT (retval == strlen (result));
173 { /* A negative number. */
176 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
177 ASSERT (result != NULL);
178 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
179 || strcmp (result, "-0X3.244P+0 33") == 0
180 || strcmp (result, "-0X6.488P-1 33") == 0
181 || strcmp (result, "-0XC.91P-2 33") == 0);
182 ASSERT (retval == strlen (result));
186 { /* Positive zero. */
189 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
190 ASSERT (result != NULL);
191 ASSERT (strcmp (result, "0x0p+0 33") == 0);
192 ASSERT (retval == strlen (result));
196 { /* Negative zero. */
199 my_asprintf (&result, "%a %d", -0.0, 33, 44, 55);
200 ASSERT (result != NULL);
201 if (have_minus_zero ())
202 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
203 ASSERT (retval == strlen (result));
207 { /* Positive infinity. */
210 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
211 ASSERT (result != NULL);
212 ASSERT (strcmp (result, "inf 33") == 0);
213 ASSERT (retval == strlen (result));
217 { /* Negative infinity. */
220 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
221 ASSERT (result != NULL);
222 ASSERT (strcmp (result, "-inf 33") == 0);
223 ASSERT (retval == strlen (result));
230 my_asprintf (&result, "%a %d", NAN, 33, 44, 55);
231 ASSERT (result != NULL);
232 ASSERT (strlen (result) >= 3 + 3
233 && strisnan (result, 0, strlen (result) - 3, 0)
234 && strcmp (result + strlen (result) - 3, " 33") == 0);
235 ASSERT (retval == strlen (result));
239 { /* Rounding near the decimal point. */
242 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
243 ASSERT (result != NULL);
244 ASSERT (strcmp (result, "0x2p+0 33") == 0
245 || strcmp (result, "0x3p-1 33") == 0
246 || strcmp (result, "0x6p-2 33") == 0
247 || strcmp (result, "0xcp-3 33") == 0);
248 ASSERT (retval == strlen (result));
252 { /* Rounding with precision 0. */
255 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
256 ASSERT (result != NULL);
257 ASSERT (strcmp (result, "0x2p+0 33") == 0
258 || strcmp (result, "0x3p-1 33") == 0
259 || strcmp (result, "0x6p-2 33") == 0
260 || strcmp (result, "0xcp-3 33") == 0);
261 ASSERT (retval == strlen (result));
265 { /* Rounding with precision 1. */
268 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
269 ASSERT (result != NULL);
270 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
271 || strcmp (result, "0x3.0p-1 33") == 0
272 || strcmp (result, "0x6.1p-2 33") == 0
273 || strcmp (result, "0xc.1p-3 33") == 0);
274 ASSERT (retval == strlen (result));
278 { /* Rounding with precision 2. */
281 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
282 ASSERT (result != NULL);
283 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
284 || strcmp (result, "0x3.05p-1 33") == 0
285 || strcmp (result, "0x6.0ap-2 33") == 0
286 || strcmp (result, "0xc.14p-3 33") == 0);
287 ASSERT (retval == strlen (result));
291 { /* Rounding with precision 3. */
294 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
295 ASSERT (result != NULL);
296 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
297 || strcmp (result, "0x3.052p-1 33") == 0
298 || strcmp (result, "0x6.0a4p-2 33") == 0
299 || strcmp (result, "0xc.148p-3 33") == 0);
300 ASSERT (retval == strlen (result));
304 { /* Rounding can turn a ...FFF into a ...000. */
307 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
308 ASSERT (result != NULL);
309 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
310 || strcmp (result, "0x3.000p-1 33") == 0
311 || strcmp (result, "0x6.000p-2 33") == 0
312 || strcmp (result, "0xc.000p-3 33") == 0);
313 ASSERT (retval == strlen (result));
317 { /* Rounding can turn a ...FFF into a ...000.
318 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
321 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
322 ASSERT (result != NULL);
323 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
324 || strcmp (result, "0x2.0p+0 33") == 0
325 || strcmp (result, "0x4.0p-1 33") == 0
326 || strcmp (result, "0x8.0p-2 33") == 0);
327 ASSERT (retval == strlen (result));
334 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
335 ASSERT (result != NULL);
336 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
337 || strcmp (result, " 0x3.8p-1 33") == 0
338 || strcmp (result, " 0x7p-2 33") == 0
339 || strcmp (result, " 0xep-3 33") == 0);
340 ASSERT (retval == strlen (result));
344 { /* Small precision. */
347 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
348 ASSERT (result != NULL);
349 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
350 || strcmp (result, "0x3.8000000000p-1 33") == 0
351 || strcmp (result, "0x7.0000000000p-2 33") == 0
352 || strcmp (result, "0xe.0000000000p-3 33") == 0);
353 ASSERT (retval == strlen (result));
357 { /* Large precision. */
360 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
361 ASSERT (result != NULL);
362 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
363 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
364 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
365 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
366 ASSERT (retval == strlen (result));
373 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
374 ASSERT (result != NULL);
375 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
376 || strcmp (result, "0x3.8p-1 33") == 0
377 || strcmp (result, "0x7p-2 33") == 0
378 || strcmp (result, "0xep-3 33") == 0);
379 ASSERT (retval == strlen (result));
383 { /* FLAG_SHOWSIGN. */
386 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
387 ASSERT (result != NULL);
388 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
389 || strcmp (result, "+0x3.8p-1 33") == 0
390 || strcmp (result, "+0x7p-2 33") == 0
391 || strcmp (result, "+0xep-3 33") == 0);
392 ASSERT (retval == strlen (result));
399 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
400 ASSERT (result != NULL);
401 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
402 || strcmp (result, " 0x3.8p-1 33") == 0
403 || strcmp (result, " 0x7p-2 33") == 0
404 || strcmp (result, " 0xep-3 33") == 0);
405 ASSERT (retval == strlen (result));
412 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
413 ASSERT (result != NULL);
414 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
415 || strcmp (result, "0x3.8p-1 33") == 0
416 || strcmp (result, "0x7.p-2 33") == 0
417 || strcmp (result, "0xe.p-3 33") == 0);
418 ASSERT (retval == strlen (result));
425 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
426 ASSERT (result != NULL);
427 ASSERT (strcmp (result, "0x1.p+0 33") == 0
428 || strcmp (result, "0x2.p-1 33") == 0
429 || strcmp (result, "0x4.p-2 33") == 0
430 || strcmp (result, "0x8.p-3 33") == 0);
431 ASSERT (retval == strlen (result));
435 { /* FLAG_ZERO with finite number. */
438 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
439 ASSERT (result != NULL);
440 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
441 || strcmp (result, "0x003.8p-1 33") == 0
442 || strcmp (result, "0x00007p-2 33") == 0
443 || strcmp (result, "0x0000ep-3 33") == 0);
444 ASSERT (retval == strlen (result));
448 { /* FLAG_ZERO with infinite number. */
451 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
452 ASSERT (result != NULL);
453 /* "0000000inf 33" is not a valid result; see
454 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
455 ASSERT (strcmp (result, " inf 33") == 0);
456 ASSERT (retval == strlen (result));
460 { /* FLAG_ZERO with NaN. */
463 my_asprintf (&result, "%050a %d", NAN, 33, 44, 55);
464 ASSERT (result != NULL);
465 /* "0000000nan 33" is not a valid result; see
466 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
467 ASSERT (strlen (result) == 50 + 3
468 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
469 && strcmp (result + strlen (result) - 3, " 33") == 0);
470 ASSERT (retval == strlen (result));
474 { /* A positive number. */
477 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
478 ASSERT (result != NULL);
479 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
480 || strcmp (result, "0x3.244p+0 33") == 0
481 || strcmp (result, "0x6.488p-1 33") == 0
482 || strcmp (result, "0xc.91p-2 33") == 0);
483 ASSERT (retval == strlen (result));
487 { /* A negative number. */
490 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
491 ASSERT (result != NULL);
492 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
493 || strcmp (result, "-0X3.244P+0 33") == 0
494 || strcmp (result, "-0X6.488P-1 33") == 0
495 || strcmp (result, "-0XC.91P-2 33") == 0);
496 ASSERT (retval == strlen (result));
500 { /* Positive zero. */
503 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
504 ASSERT (result != NULL);
505 ASSERT (strcmp (result, "0x0p+0 33") == 0);
506 ASSERT (retval == strlen (result));
510 { /* Negative zero. */
513 my_asprintf (&result, "%La %d", -0.0L, 33, 44, 55);
514 ASSERT (result != NULL);
515 if (have_minus_zero ())
516 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
517 ASSERT (retval == strlen (result));
521 { /* Positive infinity. */
524 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
525 ASSERT (result != NULL);
526 ASSERT (strcmp (result, "inf 33") == 0);
527 ASSERT (retval == strlen (result));
531 { /* Negative infinity. */
534 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
535 ASSERT (result != NULL);
536 ASSERT (strcmp (result, "-inf 33") == 0);
537 ASSERT (retval == strlen (result));
544 my_asprintf (&result, "%La %d", 0.0L / 0.0L, 33, 44, 55);
545 ASSERT (result != NULL);
546 ASSERT (strlen (result) >= 3 + 3
547 && strisnan (result, 0, strlen (result) - 3, 0)
548 && strcmp (result + strlen (result) - 3, " 33") == 0);
549 ASSERT (retval == strlen (result));
552 #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_))
554 static union { unsigned int word[4]; long double value; } x =
555 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
558 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
559 ASSERT (result != NULL);
560 ASSERT (strlen (result) >= 3 + 3
561 && strisnan (result, 0, strlen (result) - 3, 0)
562 && strcmp (result + strlen (result) - 3, " 33") == 0);
563 ASSERT (retval == strlen (result));
567 /* Signalling NaN. */
568 static union { unsigned int word[4]; long double value; } x =
569 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
572 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
573 ASSERT (result != NULL);
574 ASSERT (strlen (result) >= 3 + 3
575 && strisnan (result, 0, strlen (result) - 3, 0)
576 && strcmp (result + strlen (result) - 3, " 33") == 0);
577 ASSERT (retval == strlen (result));
580 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
581 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
582 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
583 Application Architecture.
584 Table 5-2 "Floating-Point Register Encodings"
585 Figure 5-6 "Memory to Floating-Point Register Data Translation"
588 static union { unsigned int word[4]; long double value; } x =
589 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
592 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
593 ASSERT (result != NULL);
594 ASSERT (strlen (result) >= 3 + 3
595 && strisnan (result, 0, strlen (result) - 3, 0)
596 && strcmp (result + strlen (result) - 3, " 33") == 0);
597 ASSERT (retval == strlen (result));
600 { /* Pseudo-Infinity. */
601 static union { unsigned int word[4]; long double value; } x =
602 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
605 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
606 ASSERT (result != NULL);
607 ASSERT (strlen (result) >= 3 + 3
608 && strisnan (result, 0, strlen (result) - 3, 0)
609 && strcmp (result + strlen (result) - 3, " 33") == 0);
610 ASSERT (retval == strlen (result));
614 static union { unsigned int word[4]; long double value; } x =
615 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
618 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
619 ASSERT (result != NULL);
620 ASSERT (strlen (result) >= 3 + 3
621 && strisnan (result, 0, strlen (result) - 3, 0)
622 && strcmp (result + strlen (result) - 3, " 33") == 0);
623 ASSERT (retval == strlen (result));
626 { /* Unnormalized number. */
627 static union { unsigned int word[4]; long double value; } x =
628 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
631 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
632 ASSERT (result != NULL);
633 ASSERT (strlen (result) >= 3 + 3
634 && strisnan (result, 0, strlen (result) - 3, 0)
635 && strcmp (result + strlen (result) - 3, " 33") == 0);
636 ASSERT (retval == strlen (result));
639 { /* Pseudo-Denormal. */
640 static union { unsigned int word[4]; long double value; } x =
641 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
644 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
645 ASSERT (result != NULL);
646 ASSERT (strlen (result) >= 3 + 3
647 && strisnan (result, 0, strlen (result) - 3, 0)
648 && strcmp (result + strlen (result) - 3, " 33") == 0);
649 ASSERT (retval == strlen (result));
654 { /* Rounding near the decimal point. */
657 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
658 ASSERT (result != NULL);
659 ASSERT (strcmp (result, "0x2p+0 33") == 0
660 || strcmp (result, "0x3p-1 33") == 0
661 || strcmp (result, "0x6p-2 33") == 0
662 || strcmp (result, "0xcp-3 33") == 0);
663 ASSERT (retval == strlen (result));
667 { /* Rounding with precision 0. */
670 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
671 ASSERT (result != NULL);
672 ASSERT (strcmp (result, "0x2p+0 33") == 0
673 || strcmp (result, "0x3p-1 33") == 0
674 || strcmp (result, "0x6p-2 33") == 0
675 || strcmp (result, "0xcp-3 33") == 0);
676 ASSERT (retval == strlen (result));
680 { /* Rounding with precision 1. */
683 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
684 ASSERT (result != NULL);
685 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
686 || strcmp (result, "0x3.0p-1 33") == 0
687 || strcmp (result, "0x6.1p-2 33") == 0
688 || strcmp (result, "0xc.1p-3 33") == 0);
689 ASSERT (retval == strlen (result));
693 { /* Rounding with precision 2. */
696 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
697 ASSERT (result != NULL);
698 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
699 || strcmp (result, "0x3.05p-1 33") == 0
700 || strcmp (result, "0x6.0ap-2 33") == 0
701 || strcmp (result, "0xc.14p-3 33") == 0);
702 ASSERT (retval == strlen (result));
706 { /* Rounding with precision 3. */
709 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
710 ASSERT (result != NULL);
711 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
712 || strcmp (result, "0x3.052p-1 33") == 0
713 || strcmp (result, "0x6.0a4p-2 33") == 0
714 || strcmp (result, "0xc.148p-3 33") == 0);
715 ASSERT (retval == strlen (result));
719 { /* Rounding can turn a ...FFF into a ...000. */
722 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
723 ASSERT (result != NULL);
724 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
725 || strcmp (result, "0x3.000p-1 33") == 0
726 || strcmp (result, "0x6.000p-2 33") == 0
727 || strcmp (result, "0xc.000p-3 33") == 0);
728 ASSERT (retval == strlen (result));
732 { /* Rounding can turn a ...FFF into a ...000.
733 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
734 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
737 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
738 ASSERT (result != NULL);
739 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
740 || strcmp (result, "0x2.0p+0 33") == 0
741 || strcmp (result, "0x4.0p-1 33") == 0
742 || strcmp (result, "0x8.0p-2 33") == 0);
743 ASSERT (retval == strlen (result));
750 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
751 ASSERT (result != NULL);
752 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
753 || strcmp (result, " 0x3.8p-1 33") == 0
754 || strcmp (result, " 0x7p-2 33") == 0
755 || strcmp (result, " 0xep-3 33") == 0);
756 ASSERT (retval == strlen (result));
760 { /* Small precision. */
763 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
764 ASSERT (result != NULL);
765 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
766 || strcmp (result, "0x3.8000000000p-1 33") == 0
767 || strcmp (result, "0x7.0000000000p-2 33") == 0
768 || strcmp (result, "0xe.0000000000p-3 33") == 0);
769 ASSERT (retval == strlen (result));
773 { /* Large precision. */
776 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
777 ASSERT (result != NULL);
778 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
779 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
780 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
781 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
782 ASSERT (retval == strlen (result));
789 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
790 ASSERT (result != NULL);
791 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
792 || strcmp (result, "0x3.8p-1 33") == 0
793 || strcmp (result, "0x7p-2 33") == 0
794 || strcmp (result, "0xep-3 33") == 0);
795 ASSERT (retval == strlen (result));
799 { /* FLAG_SHOWSIGN. */
802 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
803 ASSERT (result != NULL);
804 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
805 || strcmp (result, "+0x3.8p-1 33") == 0
806 || strcmp (result, "+0x7p-2 33") == 0
807 || strcmp (result, "+0xep-3 33") == 0);
808 ASSERT (retval == strlen (result));
815 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
816 ASSERT (result != NULL);
817 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
818 || strcmp (result, " 0x3.8p-1 33") == 0
819 || strcmp (result, " 0x7p-2 33") == 0
820 || strcmp (result, " 0xep-3 33") == 0);
821 ASSERT (retval == strlen (result));
828 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
829 ASSERT (result != NULL);
830 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
831 || strcmp (result, "0x3.8p-1 33") == 0
832 || strcmp (result, "0x7.p-2 33") == 0
833 || strcmp (result, "0xe.p-3 33") == 0);
834 ASSERT (retval == strlen (result));
841 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
842 ASSERT (result != NULL);
843 ASSERT (strcmp (result, "0x1.p+0 33") == 0
844 || strcmp (result, "0x2.p-1 33") == 0
845 || strcmp (result, "0x4.p-2 33") == 0
846 || strcmp (result, "0x8.p-3 33") == 0);
847 ASSERT (retval == strlen (result));
851 { /* FLAG_ZERO with finite number. */
854 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
855 ASSERT (result != NULL);
856 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
857 || strcmp (result, "0x003.8p-1 33") == 0
858 || strcmp (result, "0x00007p-2 33") == 0
859 || strcmp (result, "0x0000ep-3 33") == 0);
860 ASSERT (retval == strlen (result));
864 { /* FLAG_ZERO with infinite number. */
867 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
868 ASSERT (result != NULL);
869 /* "0000000inf 33" is not a valid result; see
870 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
871 ASSERT (strcmp (result, " inf 33") == 0);
872 ASSERT (retval == strlen (result));
876 { /* FLAG_ZERO with NaN. */
879 my_asprintf (&result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
880 ASSERT (result != NULL);
881 /* "0000000nan 33" is not a valid result; see
882 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
883 ASSERT (strlen (result) == 50 + 3
884 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
885 && strcmp (result + strlen (result) - 3, " 33") == 0);
886 ASSERT (retval == strlen (result));
890 /* Test the support of the %f format directive. */
892 { /* A positive number. */
895 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
896 ASSERT (result != NULL);
897 ASSERT (strcmp (result, "12.750000 33") == 0);
898 ASSERT (retval == strlen (result));
902 { /* A larger positive number. */
905 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
906 ASSERT (result != NULL);
907 ASSERT (strcmp (result, "1234567.000000 33") == 0);
908 ASSERT (retval == strlen (result));
912 { /* Small and large positive numbers. */
913 static struct { double value; const char *string; } data[] =
915 { 1.234321234321234e-37, "0.000000" },
916 { 1.234321234321234e-36, "0.000000" },
917 { 1.234321234321234e-35, "0.000000" },
918 { 1.234321234321234e-34, "0.000000" },
919 { 1.234321234321234e-33, "0.000000" },
920 { 1.234321234321234e-32, "0.000000" },
921 { 1.234321234321234e-31, "0.000000" },
922 { 1.234321234321234e-30, "0.000000" },
923 { 1.234321234321234e-29, "0.000000" },
924 { 1.234321234321234e-28, "0.000000" },
925 { 1.234321234321234e-27, "0.000000" },
926 { 1.234321234321234e-26, "0.000000" },
927 { 1.234321234321234e-25, "0.000000" },
928 { 1.234321234321234e-24, "0.000000" },
929 { 1.234321234321234e-23, "0.000000" },
930 { 1.234321234321234e-22, "0.000000" },
931 { 1.234321234321234e-21, "0.000000" },
932 { 1.234321234321234e-20, "0.000000" },
933 { 1.234321234321234e-19, "0.000000" },
934 { 1.234321234321234e-18, "0.000000" },
935 { 1.234321234321234e-17, "0.000000" },
936 { 1.234321234321234e-16, "0.000000" },
937 { 1.234321234321234e-15, "0.000000" },
938 { 1.234321234321234e-14, "0.000000" },
939 { 1.234321234321234e-13, "0.000000" },
940 { 1.234321234321234e-12, "0.000000" },
941 { 1.234321234321234e-11, "0.000000" },
942 { 1.234321234321234e-10, "0.000000" },
943 { 1.234321234321234e-9, "0.000000" },
944 { 1.234321234321234e-8, "0.000000" },
945 { 1.234321234321234e-7, "0.000000" },
946 { 1.234321234321234e-6, "0.000001" },
947 { 1.234321234321234e-5, "0.000012" },
948 { 1.234321234321234e-4, "0.000123" },
949 { 1.234321234321234e-3, "0.001234" },
950 { 1.234321234321234e-2, "0.012343" },
951 { 1.234321234321234e-1, "0.123432" },
952 { 1.234321234321234, "1.234321" },
953 { 1.234321234321234e1, "12.343212" },
954 { 1.234321234321234e2, "123.432123" },
955 { 1.234321234321234e3, "1234.321234" },
956 { 1.234321234321234e4, "12343.212343" },
957 { 1.234321234321234e5, "123432.123432" },
958 { 1.234321234321234e6, "1234321.234321" },
959 { 1.234321234321234e7, "12343212.343212" },
960 { 1.234321234321234e8, "123432123.432123" },
961 { 1.234321234321234e9, "1234321234.321234" },
962 { 1.234321234321234e10, "12343212343.2123**" },
963 { 1.234321234321234e11, "123432123432.123***" },
964 { 1.234321234321234e12, "1234321234321.23****" },
965 { 1.234321234321234e13, "12343212343212.3*****" },
966 { 1.234321234321234e14, "123432123432123.******" },
967 { 1.234321234321234e15, "1234321234321234.000000" },
968 { 1.234321234321234e16, "123432123432123**.000000" },
969 { 1.234321234321234e17, "123432123432123***.000000" },
970 { 1.234321234321234e18, "123432123432123****.000000" },
971 { 1.234321234321234e19, "123432123432123*****.000000" },
972 { 1.234321234321234e20, "123432123432123******.000000" },
973 { 1.234321234321234e21, "123432123432123*******.000000" },
974 { 1.234321234321234e22, "123432123432123********.000000" },
975 { 1.234321234321234e23, "123432123432123*********.000000" },
976 { 1.234321234321234e24, "123432123432123**********.000000" },
977 { 1.234321234321234e25, "123432123432123***********.000000" },
978 { 1.234321234321234e26, "123432123432123************.000000" },
979 { 1.234321234321234e27, "123432123432123*************.000000" },
980 { 1.234321234321234e28, "123432123432123**************.000000" },
981 { 1.234321234321234e29, "123432123432123***************.000000" },
982 { 1.234321234321234e30, "123432123432123****************.000000" },
983 { 1.234321234321234e31, "123432123432123*****************.000000" },
984 { 1.234321234321234e32, "123432123432123******************.000000" },
985 { 1.234321234321234e33, "123432123432123*******************.000000" },
986 { 1.234321234321234e34, "123432123432123********************.000000" },
987 { 1.234321234321234e35, "123432123432123*********************.000000" },
988 { 1.234321234321234e36, "123432123432123**********************.000000" }
991 for (k = 0; k < SIZEOF (data); k++)
995 my_asprintf (&result, "%f", data[k].value);
996 ASSERT (result != NULL);
997 ASSERT (strmatch (data[k].string, result));
998 ASSERT (retval == strlen (result));
1003 { /* A negative number. */
1006 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1007 ASSERT (result != NULL);
1008 ASSERT (strcmp (result, "-0.031250 33") == 0);
1009 ASSERT (retval == strlen (result));
1013 { /* Positive zero. */
1016 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1017 ASSERT (result != NULL);
1018 ASSERT (strcmp (result, "0.000000 33") == 0);
1019 ASSERT (retval == strlen (result));
1023 { /* Negative zero. */
1026 my_asprintf (&result, "%f %d", -0.0, 33, 44, 55);
1027 ASSERT (result != NULL);
1028 if (have_minus_zero ())
1029 ASSERT (strcmp (result, "-0.000000 33") == 0);
1030 ASSERT (retval == strlen (result));
1034 { /* Positive infinity. */
1037 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1038 ASSERT (result != NULL);
1039 ASSERT (strcmp (result, "inf 33") == 0
1040 || strcmp (result, "infinity 33") == 0);
1041 ASSERT (retval == strlen (result));
1045 { /* Negative infinity. */
1048 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1049 ASSERT (result != NULL);
1050 ASSERT (strcmp (result, "-inf 33") == 0
1051 || strcmp (result, "-infinity 33") == 0);
1052 ASSERT (retval == strlen (result));
1059 my_asprintf (&result, "%f %d", NAN, 33, 44, 55);
1060 ASSERT (result != NULL);
1061 ASSERT (strlen (result) >= 3 + 3
1062 && strisnan (result, 0, strlen (result) - 3, 0)
1063 && strcmp (result + strlen (result) - 3, " 33") == 0);
1064 ASSERT (retval == strlen (result));
1071 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1072 ASSERT (result != NULL);
1073 ASSERT (strcmp (result, " 1.750000 33") == 0);
1074 ASSERT (retval == strlen (result));
1081 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1082 ASSERT (result != NULL);
1083 ASSERT (strcmp (result, "1.750000 33") == 0);
1084 ASSERT (retval == strlen (result));
1088 { /* FLAG_SHOWSIGN. */
1091 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1092 ASSERT (result != NULL);
1093 ASSERT (strcmp (result, "+1.750000 33") == 0);
1094 ASSERT (retval == strlen (result));
1101 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1102 ASSERT (result != NULL);
1103 ASSERT (strcmp (result, " 1.750000 33") == 0);
1104 ASSERT (retval == strlen (result));
1111 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1112 ASSERT (result != NULL);
1113 ASSERT (strcmp (result, "1.750000 33") == 0);
1114 ASSERT (retval == strlen (result));
1121 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1122 ASSERT (result != NULL);
1123 ASSERT (strcmp (result, "2. 33") == 0);
1124 ASSERT (retval == strlen (result));
1128 { /* FLAG_ZERO with finite number. */
1131 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1132 ASSERT (result != NULL);
1133 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1134 ASSERT (retval == strlen (result));
1138 { /* FLAG_ZERO with infinite number. */
1141 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1142 ASSERT (result != NULL);
1143 ASSERT (strcmp (result, " -inf 33") == 0
1144 || strcmp (result, " -infinity 33") == 0);
1145 ASSERT (retval == strlen (result));
1149 { /* FLAG_ZERO with NaN. */
1152 my_asprintf (&result, "%050f %d", NAN, 33, 44, 55);
1153 ASSERT (result != NULL);
1154 ASSERT (strlen (result) == 50 + 3
1155 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1156 && strcmp (result + strlen (result) - 3, " 33") == 0);
1157 ASSERT (retval == strlen (result));
1164 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1165 ASSERT (result != NULL);
1166 ASSERT (strcmp (result, "1234 33") == 0);
1167 ASSERT (retval == strlen (result));
1171 { /* A positive number. */
1174 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1175 ASSERT (result != NULL);
1176 ASSERT (strcmp (result, "12.750000 33") == 0);
1177 ASSERT (retval == strlen (result));
1181 { /* A larger positive number. */
1184 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1185 ASSERT (result != NULL);
1186 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1187 ASSERT (retval == strlen (result));
1191 { /* Small and large positive numbers. */
1192 static struct { long double value; const char *string; } data[] =
1194 { 1.234321234321234e-37L, "0.000000" },
1195 { 1.234321234321234e-36L, "0.000000" },
1196 { 1.234321234321234e-35L, "0.000000" },
1197 { 1.234321234321234e-34L, "0.000000" },
1198 { 1.234321234321234e-33L, "0.000000" },
1199 { 1.234321234321234e-32L, "0.000000" },
1200 { 1.234321234321234e-31L, "0.000000" },
1201 { 1.234321234321234e-30L, "0.000000" },
1202 { 1.234321234321234e-29L, "0.000000" },
1203 { 1.234321234321234e-28L, "0.000000" },
1204 { 1.234321234321234e-27L, "0.000000" },
1205 { 1.234321234321234e-26L, "0.000000" },
1206 { 1.234321234321234e-25L, "0.000000" },
1207 { 1.234321234321234e-24L, "0.000000" },
1208 { 1.234321234321234e-23L, "0.000000" },
1209 { 1.234321234321234e-22L, "0.000000" },
1210 { 1.234321234321234e-21L, "0.000000" },
1211 { 1.234321234321234e-20L, "0.000000" },
1212 { 1.234321234321234e-19L, "0.000000" },
1213 { 1.234321234321234e-18L, "0.000000" },
1214 { 1.234321234321234e-17L, "0.000000" },
1215 { 1.234321234321234e-16L, "0.000000" },
1216 { 1.234321234321234e-15L, "0.000000" },
1217 { 1.234321234321234e-14L, "0.000000" },
1218 { 1.234321234321234e-13L, "0.000000" },
1219 { 1.234321234321234e-12L, "0.000000" },
1220 { 1.234321234321234e-11L, "0.000000" },
1221 { 1.234321234321234e-10L, "0.000000" },
1222 { 1.234321234321234e-9L, "0.000000" },
1223 { 1.234321234321234e-8L, "0.000000" },
1224 { 1.234321234321234e-7L, "0.000000" },
1225 { 1.234321234321234e-6L, "0.000001" },
1226 { 1.234321234321234e-5L, "0.000012" },
1227 { 1.234321234321234e-4L, "0.000123" },
1228 { 1.234321234321234e-3L, "0.001234" },
1229 { 1.234321234321234e-2L, "0.012343" },
1230 { 1.234321234321234e-1L, "0.123432" },
1231 { 1.234321234321234L, "1.234321" },
1232 { 1.234321234321234e1L, "12.343212" },
1233 { 1.234321234321234e2L, "123.432123" },
1234 { 1.234321234321234e3L, "1234.321234" },
1235 { 1.234321234321234e4L, "12343.212343" },
1236 { 1.234321234321234e5L, "123432.123432" },
1237 { 1.234321234321234e6L, "1234321.234321" },
1238 { 1.234321234321234e7L, "12343212.343212" },
1239 { 1.234321234321234e8L, "123432123.432123" },
1240 { 1.234321234321234e9L, "1234321234.321234" },
1241 { 1.234321234321234e10L, "12343212343.2123**" },
1242 { 1.234321234321234e11L, "123432123432.123***" },
1243 { 1.234321234321234e12L, "1234321234321.23****" },
1244 { 1.234321234321234e13L, "12343212343212.3*****" },
1245 { 1.234321234321234e14L, "123432123432123.******" },
1246 { 1.234321234321234e15L, "1234321234321234.000000" },
1247 { 1.234321234321234e16L, "123432123432123**.000000" },
1248 { 1.234321234321234e17L, "123432123432123***.000000" },
1249 { 1.234321234321234e18L, "123432123432123****.000000" },
1250 { 1.234321234321234e19L, "123432123432123*****.000000" },
1251 { 1.234321234321234e20L, "123432123432123******.000000" },
1252 { 1.234321234321234e21L, "123432123432123*******.000000" },
1253 { 1.234321234321234e22L, "123432123432123********.000000" },
1254 { 1.234321234321234e23L, "123432123432123*********.000000" },
1255 { 1.234321234321234e24L, "123432123432123**********.000000" },
1256 { 1.234321234321234e25L, "123432123432123***********.000000" },
1257 { 1.234321234321234e26L, "123432123432123************.000000" },
1258 { 1.234321234321234e27L, "123432123432123*************.000000" },
1259 { 1.234321234321234e28L, "123432123432123**************.000000" },
1260 { 1.234321234321234e29L, "123432123432123***************.000000" },
1261 { 1.234321234321234e30L, "123432123432123****************.000000" },
1262 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1263 { 1.234321234321234e32L, "123432123432123******************.000000" },
1264 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1265 { 1.234321234321234e34L, "123432123432123********************.000000" },
1266 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1267 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1270 for (k = 0; k < SIZEOF (data); k++)
1274 my_asprintf (&result, "%Lf", data[k].value);
1275 ASSERT (result != NULL);
1276 ASSERT (strmatch (data[k].string, result));
1277 ASSERT (retval == strlen (result));
1282 { /* A negative number. */
1285 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1286 ASSERT (result != NULL);
1287 ASSERT (strcmp (result, "-0.031250 33") == 0);
1288 ASSERT (retval == strlen (result));
1292 { /* Positive zero. */
1295 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1296 ASSERT (result != NULL);
1297 ASSERT (strcmp (result, "0.000000 33") == 0);
1298 ASSERT (retval == strlen (result));
1302 { /* Negative zero. */
1305 my_asprintf (&result, "%Lf %d", -0.0L, 33, 44, 55);
1306 ASSERT (result != NULL);
1307 if (have_minus_zero ())
1308 ASSERT (strcmp (result, "-0.000000 33") == 0);
1309 ASSERT (retval == strlen (result));
1313 { /* Positive infinity. */
1316 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1317 ASSERT (result != NULL);
1318 ASSERT (strcmp (result, "inf 33") == 0
1319 || strcmp (result, "infinity 33") == 0);
1320 ASSERT (retval == strlen (result));
1324 { /* Negative infinity. */
1327 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1328 ASSERT (result != NULL);
1329 ASSERT (strcmp (result, "-inf 33") == 0
1330 || strcmp (result, "-infinity 33") == 0);
1331 ASSERT (retval == strlen (result));
1336 static long double zero = 0.0L;
1339 my_asprintf (&result, "%Lf %d", zero / zero, 33, 44, 55);
1340 ASSERT (result != NULL);
1341 ASSERT (strlen (result) >= 3 + 3
1342 && strisnan (result, 0, strlen (result) - 3, 0)
1343 && strcmp (result + strlen (result) - 3, " 33") == 0);
1344 ASSERT (retval == strlen (result));
1347 #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_))
1349 static union { unsigned int word[4]; long double value; } x =
1350 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1353 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1354 ASSERT (result != NULL);
1355 ASSERT (strlen (result) >= 3 + 3
1356 && strisnan (result, 0, strlen (result) - 3, 0)
1357 && strcmp (result + strlen (result) - 3, " 33") == 0);
1358 ASSERT (retval == strlen (result));
1362 /* Signalling NaN. */
1363 static union { unsigned int word[4]; long double value; } x =
1364 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1367 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1368 ASSERT (result != NULL);
1369 ASSERT (strlen (result) >= 3 + 3
1370 && strisnan (result, 0, strlen (result) - 3, 0)
1371 && strcmp (result + strlen (result) - 3, " 33") == 0);
1372 ASSERT (retval == strlen (result));
1375 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1376 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1377 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1378 Application Architecture.
1379 Table 5-2 "Floating-Point Register Encodings"
1380 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1383 static union { unsigned int word[4]; long double value; } x =
1384 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1387 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1388 ASSERT (result != NULL);
1389 ASSERT (strlen (result) >= 3 + 3
1390 && strisnan (result, 0, strlen (result) - 3, 0)
1391 && strcmp (result + strlen (result) - 3, " 33") == 0);
1392 ASSERT (retval == strlen (result));
1395 { /* Pseudo-Infinity. */
1396 static union { unsigned int word[4]; long double value; } x =
1397 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1400 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1401 ASSERT (result != NULL);
1402 ASSERT (strlen (result) >= 3 + 3
1403 && strisnan (result, 0, strlen (result) - 3, 0)
1404 && strcmp (result + strlen (result) - 3, " 33") == 0);
1405 ASSERT (retval == strlen (result));
1408 { /* Pseudo-Zero. */
1409 static union { unsigned int word[4]; long double value; } x =
1410 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1413 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1414 ASSERT (result != NULL);
1415 ASSERT (strlen (result) >= 3 + 3
1416 && strisnan (result, 0, strlen (result) - 3, 0)
1417 && strcmp (result + strlen (result) - 3, " 33") == 0);
1418 ASSERT (retval == strlen (result));
1421 { /* Unnormalized number. */
1422 static union { unsigned int word[4]; long double value; } x =
1423 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1426 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1427 ASSERT (result != NULL);
1428 ASSERT (strlen (result) >= 3 + 3
1429 && strisnan (result, 0, strlen (result) - 3, 0)
1430 && strcmp (result + strlen (result) - 3, " 33") == 0);
1431 ASSERT (retval == strlen (result));
1434 { /* Pseudo-Denormal. */
1435 static union { unsigned int word[4]; long double value; } x =
1436 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1439 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1440 ASSERT (result != NULL);
1441 ASSERT (strlen (result) >= 3 + 3
1442 && strisnan (result, 0, strlen (result) - 3, 0)
1443 && strcmp (result + strlen (result) - 3, " 33") == 0);
1444 ASSERT (retval == strlen (result));
1452 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1453 ASSERT (result != NULL);
1454 ASSERT (strcmp (result, " 1.750000 33") == 0);
1455 ASSERT (retval == strlen (result));
1462 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1463 ASSERT (result != NULL);
1464 ASSERT (strcmp (result, "1.750000 33") == 0);
1465 ASSERT (retval == strlen (result));
1469 { /* FLAG_SHOWSIGN. */
1472 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1473 ASSERT (result != NULL);
1474 ASSERT (strcmp (result, "+1.750000 33") == 0);
1475 ASSERT (retval == strlen (result));
1482 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1483 ASSERT (result != NULL);
1484 ASSERT (strcmp (result, " 1.750000 33") == 0);
1485 ASSERT (retval == strlen (result));
1492 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1493 ASSERT (result != NULL);
1494 ASSERT (strcmp (result, "1.750000 33") == 0);
1495 ASSERT (retval == strlen (result));
1502 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1503 ASSERT (result != NULL);
1504 ASSERT (strcmp (result, "2. 33") == 0);
1505 ASSERT (retval == strlen (result));
1509 { /* FLAG_ZERO with finite number. */
1512 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1513 ASSERT (result != NULL);
1514 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1515 ASSERT (retval == strlen (result));
1519 { /* FLAG_ZERO with infinite number. */
1522 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1523 ASSERT (result != NULL);
1524 ASSERT (strcmp (result, " -inf 33") == 0
1525 || strcmp (result, " -infinity 33") == 0);
1526 ASSERT (retval == strlen (result));
1530 { /* FLAG_ZERO with NaN. */
1531 static long double zero = 0.0L;
1534 my_asprintf (&result, "%050Lf %d", zero / zero, 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", NAN, 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));
1745 static long double zero = 0.0L;
1748 my_asprintf (&result, "%LF %d", zero / zero, 33, 44, 55);
1749 ASSERT (result != NULL);
1750 ASSERT (strlen (result) >= 3 + 3
1751 && strisnan (result, 0, strlen (result) - 3, 1)
1752 && strcmp (result + strlen (result) - 3, " 33") == 0);
1753 ASSERT (retval == strlen (result));
1760 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1761 ASSERT (result != NULL);
1762 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1763 ASSERT (retval == strlen (result));
1767 { /* FLAG_ZERO with infinite number. */
1770 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1771 ASSERT (result != NULL);
1772 ASSERT (strcmp (result, " -INF 33") == 0
1773 || strcmp (result, " -INFINITY 33") == 0);
1774 ASSERT (retval == strlen (result));
1781 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1782 ASSERT (result != NULL);
1783 ASSERT (strcmp (result, "1234 33") == 0);
1784 ASSERT (retval == strlen (result));
1788 /* Test the support of the %e format directive. */
1790 { /* A positive number. */
1793 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1794 ASSERT (result != NULL);
1795 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1796 || strcmp (result, "1.275000e+001 33") == 0);
1797 ASSERT (retval == strlen (result));
1801 { /* A larger positive number. */
1804 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1805 ASSERT (result != NULL);
1806 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1807 || strcmp (result, "1.234567e+006 33") == 0);
1808 ASSERT (retval == strlen (result));
1812 { /* Small and large positive numbers. */
1813 static struct { double value; const char *string; } data[] =
1815 { 1.234321234321234e-37, "1.234321e-37" },
1816 { 1.234321234321234e-36, "1.234321e-36" },
1817 { 1.234321234321234e-35, "1.234321e-35" },
1818 { 1.234321234321234e-34, "1.234321e-34" },
1819 { 1.234321234321234e-33, "1.234321e-33" },
1820 { 1.234321234321234e-32, "1.234321e-32" },
1821 { 1.234321234321234e-31, "1.234321e-31" },
1822 { 1.234321234321234e-30, "1.234321e-30" },
1823 { 1.234321234321234e-29, "1.234321e-29" },
1824 { 1.234321234321234e-28, "1.234321e-28" },
1825 { 1.234321234321234e-27, "1.234321e-27" },
1826 { 1.234321234321234e-26, "1.234321e-26" },
1827 { 1.234321234321234e-25, "1.234321e-25" },
1828 { 1.234321234321234e-24, "1.234321e-24" },
1829 { 1.234321234321234e-23, "1.234321e-23" },
1830 { 1.234321234321234e-22, "1.234321e-22" },
1831 { 1.234321234321234e-21, "1.234321e-21" },
1832 { 1.234321234321234e-20, "1.234321e-20" },
1833 { 1.234321234321234e-19, "1.234321e-19" },
1834 { 1.234321234321234e-18, "1.234321e-18" },
1835 { 1.234321234321234e-17, "1.234321e-17" },
1836 { 1.234321234321234e-16, "1.234321e-16" },
1837 { 1.234321234321234e-15, "1.234321e-15" },
1838 { 1.234321234321234e-14, "1.234321e-14" },
1839 { 1.234321234321234e-13, "1.234321e-13" },
1840 { 1.234321234321234e-12, "1.234321e-12" },
1841 { 1.234321234321234e-11, "1.234321e-11" },
1842 { 1.234321234321234e-10, "1.234321e-10" },
1843 { 1.234321234321234e-9, "1.234321e-09" },
1844 { 1.234321234321234e-8, "1.234321e-08" },
1845 { 1.234321234321234e-7, "1.234321e-07" },
1846 { 1.234321234321234e-6, "1.234321e-06" },
1847 { 1.234321234321234e-5, "1.234321e-05" },
1848 { 1.234321234321234e-4, "1.234321e-04" },
1849 { 1.234321234321234e-3, "1.234321e-03" },
1850 { 1.234321234321234e-2, "1.234321e-02" },
1851 { 1.234321234321234e-1, "1.234321e-01" },
1852 { 1.234321234321234, "1.234321e+00" },
1853 { 1.234321234321234e1, "1.234321e+01" },
1854 { 1.234321234321234e2, "1.234321e+02" },
1855 { 1.234321234321234e3, "1.234321e+03" },
1856 { 1.234321234321234e4, "1.234321e+04" },
1857 { 1.234321234321234e5, "1.234321e+05" },
1858 { 1.234321234321234e6, "1.234321e+06" },
1859 { 1.234321234321234e7, "1.234321e+07" },
1860 { 1.234321234321234e8, "1.234321e+08" },
1861 { 1.234321234321234e9, "1.234321e+09" },
1862 { 1.234321234321234e10, "1.234321e+10" },
1863 { 1.234321234321234e11, "1.234321e+11" },
1864 { 1.234321234321234e12, "1.234321e+12" },
1865 { 1.234321234321234e13, "1.234321e+13" },
1866 { 1.234321234321234e14, "1.234321e+14" },
1867 { 1.234321234321234e15, "1.234321e+15" },
1868 { 1.234321234321234e16, "1.234321e+16" },
1869 { 1.234321234321234e17, "1.234321e+17" },
1870 { 1.234321234321234e18, "1.234321e+18" },
1871 { 1.234321234321234e19, "1.234321e+19" },
1872 { 1.234321234321234e20, "1.234321e+20" },
1873 { 1.234321234321234e21, "1.234321e+21" },
1874 { 1.234321234321234e22, "1.234321e+22" },
1875 { 1.234321234321234e23, "1.234321e+23" },
1876 { 1.234321234321234e24, "1.234321e+24" },
1877 { 1.234321234321234e25, "1.234321e+25" },
1878 { 1.234321234321234e26, "1.234321e+26" },
1879 { 1.234321234321234e27, "1.234321e+27" },
1880 { 1.234321234321234e28, "1.234321e+28" },
1881 { 1.234321234321234e29, "1.234321e+29" },
1882 { 1.234321234321234e30, "1.234321e+30" },
1883 { 1.234321234321234e31, "1.234321e+31" },
1884 { 1.234321234321234e32, "1.234321e+32" },
1885 { 1.234321234321234e33, "1.234321e+33" },
1886 { 1.234321234321234e34, "1.234321e+34" },
1887 { 1.234321234321234e35, "1.234321e+35" },
1888 { 1.234321234321234e36, "1.234321e+36" }
1891 for (k = 0; k < SIZEOF (data); k++)
1895 my_asprintf (&result, "%e", data[k].value);
1896 const char *expected = data[k].string;
1897 ASSERT (result != NULL);
1898 ASSERT (strcmp (result, expected) == 0
1899 /* Some implementations produce exponents with 3 digits. */
1900 || (strlen (result) == strlen (expected) + 1
1901 && memcmp (result, expected, strlen (expected) - 2) == 0
1902 && result[strlen (expected) - 2] == '0'
1903 && strcmp (result + strlen (expected) - 1,
1904 expected + strlen (expected) - 2)
1906 ASSERT (retval == strlen (result));
1911 { /* A negative number. */
1914 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
1915 ASSERT (result != NULL);
1916 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1917 || strcmp (result, "-3.125000e-002 33") == 0);
1918 ASSERT (retval == strlen (result));
1922 { /* Positive zero. */
1925 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
1926 ASSERT (result != NULL);
1927 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1928 || strcmp (result, "0.000000e+000 33") == 0);
1929 ASSERT (retval == strlen (result));
1933 { /* Negative zero. */
1936 my_asprintf (&result, "%e %d", -0.0, 33, 44, 55);
1937 ASSERT (result != NULL);
1938 if (have_minus_zero ())
1939 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1940 || strcmp (result, "-0.000000e+000 33") == 0);
1941 ASSERT (retval == strlen (result));
1945 { /* Positive infinity. */
1948 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1949 ASSERT (result != NULL);
1950 ASSERT (strcmp (result, "inf 33") == 0
1951 || strcmp (result, "infinity 33") == 0);
1952 ASSERT (retval == strlen (result));
1956 { /* Negative infinity. */
1959 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1960 ASSERT (result != NULL);
1961 ASSERT (strcmp (result, "-inf 33") == 0
1962 || strcmp (result, "-infinity 33") == 0);
1963 ASSERT (retval == strlen (result));
1970 my_asprintf (&result, "%e %d", NAN, 33, 44, 55);
1971 ASSERT (result != NULL);
1972 ASSERT (strlen (result) >= 3 + 3
1973 && strisnan (result, 0, strlen (result) - 3, 0)
1974 && strcmp (result + strlen (result) - 3, " 33") == 0);
1975 ASSERT (retval == strlen (result));
1982 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
1983 ASSERT (result != NULL);
1984 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1985 || strcmp (result, " 1.750000e+000 33") == 0);
1986 ASSERT (retval == strlen (result));
1993 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
1994 ASSERT (result != NULL);
1995 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1996 || strcmp (result, "1.750000e+000 33") == 0);
1997 ASSERT (retval == strlen (result));
2001 { /* FLAG_SHOWSIGN. */
2004 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2005 ASSERT (result != NULL);
2006 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2007 || strcmp (result, "+1.750000e+000 33") == 0);
2008 ASSERT (retval == strlen (result));
2015 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2016 ASSERT (result != NULL);
2017 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2018 || strcmp (result, " 1.750000e+000 33") == 0);
2019 ASSERT (retval == strlen (result));
2026 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2027 ASSERT (result != NULL);
2028 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2029 || strcmp (result, "1.750000e+000 33") == 0);
2030 ASSERT (retval == strlen (result));
2037 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2038 ASSERT (result != NULL);
2039 ASSERT (strcmp (result, "2.e+00 33") == 0
2040 || strcmp (result, "2.e+000 33") == 0);
2041 ASSERT (retval == strlen (result));
2048 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2049 ASSERT (result != NULL);
2050 ASSERT (strcmp (result, "1.e+01 33") == 0
2051 || strcmp (result, "1.e+001 33") == 0);
2052 ASSERT (retval == strlen (result));
2056 { /* FLAG_ZERO with finite number. */
2059 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2060 ASSERT (result != NULL);
2061 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2062 || strcmp (result, "001.234000e+003 33") == 0);
2063 ASSERT (retval == strlen (result));
2067 { /* FLAG_ZERO with infinite number. */
2070 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2071 ASSERT (result != NULL);
2072 ASSERT (strcmp (result, " -inf 33") == 0
2073 || strcmp (result, " -infinity 33") == 0);
2074 ASSERT (retval == strlen (result));
2078 { /* FLAG_ZERO with NaN. */
2081 my_asprintf (&result, "%050e %d", NAN, 33, 44, 55);
2082 ASSERT (result != NULL);
2083 ASSERT (strlen (result) == 50 + 3
2084 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2085 && strcmp (result + strlen (result) - 3, " 33") == 0);
2086 ASSERT (retval == strlen (result));
2093 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2094 ASSERT (result != NULL);
2095 ASSERT (strcmp (result, "1e+03 33") == 0
2096 || strcmp (result, "1e+003 33") == 0);
2097 ASSERT (retval == strlen (result));
2101 { /* A positive number. */
2104 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2105 ASSERT (result != NULL);
2106 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
2107 ASSERT (retval == strlen (result));
2111 { /* A larger positive number. */
2114 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2115 ASSERT (result != NULL);
2116 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
2117 ASSERT (retval == strlen (result));
2121 { /* Small and large positive numbers. */
2122 static struct { long double value; const char *string; } data[] =
2124 { 1.234321234321234e-37L, "1.234321e-37" },
2125 { 1.234321234321234e-36L, "1.234321e-36" },
2126 { 1.234321234321234e-35L, "1.234321e-35" },
2127 { 1.234321234321234e-34L, "1.234321e-34" },
2128 { 1.234321234321234e-33L, "1.234321e-33" },
2129 { 1.234321234321234e-32L, "1.234321e-32" },
2130 { 1.234321234321234e-31L, "1.234321e-31" },
2131 { 1.234321234321234e-30L, "1.234321e-30" },
2132 { 1.234321234321234e-29L, "1.234321e-29" },
2133 { 1.234321234321234e-28L, "1.234321e-28" },
2134 { 1.234321234321234e-27L, "1.234321e-27" },
2135 { 1.234321234321234e-26L, "1.234321e-26" },
2136 { 1.234321234321234e-25L, "1.234321e-25" },
2137 { 1.234321234321234e-24L, "1.234321e-24" },
2138 { 1.234321234321234e-23L, "1.234321e-23" },
2139 { 1.234321234321234e-22L, "1.234321e-22" },
2140 { 1.234321234321234e-21L, "1.234321e-21" },
2141 { 1.234321234321234e-20L, "1.234321e-20" },
2142 { 1.234321234321234e-19L, "1.234321e-19" },
2143 { 1.234321234321234e-18L, "1.234321e-18" },
2144 { 1.234321234321234e-17L, "1.234321e-17" },
2145 { 1.234321234321234e-16L, "1.234321e-16" },
2146 { 1.234321234321234e-15L, "1.234321e-15" },
2147 { 1.234321234321234e-14L, "1.234321e-14" },
2148 { 1.234321234321234e-13L, "1.234321e-13" },
2149 { 1.234321234321234e-12L, "1.234321e-12" },
2150 { 1.234321234321234e-11L, "1.234321e-11" },
2151 { 1.234321234321234e-10L, "1.234321e-10" },
2152 { 1.234321234321234e-9L, "1.234321e-09" },
2153 { 1.234321234321234e-8L, "1.234321e-08" },
2154 { 1.234321234321234e-7L, "1.234321e-07" },
2155 { 1.234321234321234e-6L, "1.234321e-06" },
2156 { 1.234321234321234e-5L, "1.234321e-05" },
2157 { 1.234321234321234e-4L, "1.234321e-04" },
2158 { 1.234321234321234e-3L, "1.234321e-03" },
2159 { 1.234321234321234e-2L, "1.234321e-02" },
2160 { 1.234321234321234e-1L, "1.234321e-01" },
2161 { 1.234321234321234L, "1.234321e+00" },
2162 { 1.234321234321234e1L, "1.234321e+01" },
2163 { 1.234321234321234e2L, "1.234321e+02" },
2164 { 1.234321234321234e3L, "1.234321e+03" },
2165 { 1.234321234321234e4L, "1.234321e+04" },
2166 { 1.234321234321234e5L, "1.234321e+05" },
2167 { 1.234321234321234e6L, "1.234321e+06" },
2168 { 1.234321234321234e7L, "1.234321e+07" },
2169 { 1.234321234321234e8L, "1.234321e+08" },
2170 { 1.234321234321234e9L, "1.234321e+09" },
2171 { 1.234321234321234e10L, "1.234321e+10" },
2172 { 1.234321234321234e11L, "1.234321e+11" },
2173 { 1.234321234321234e12L, "1.234321e+12" },
2174 { 1.234321234321234e13L, "1.234321e+13" },
2175 { 1.234321234321234e14L, "1.234321e+14" },
2176 { 1.234321234321234e15L, "1.234321e+15" },
2177 { 1.234321234321234e16L, "1.234321e+16" },
2178 { 1.234321234321234e17L, "1.234321e+17" },
2179 { 1.234321234321234e18L, "1.234321e+18" },
2180 { 1.234321234321234e19L, "1.234321e+19" },
2181 { 1.234321234321234e20L, "1.234321e+20" },
2182 { 1.234321234321234e21L, "1.234321e+21" },
2183 { 1.234321234321234e22L, "1.234321e+22" },
2184 { 1.234321234321234e23L, "1.234321e+23" },
2185 { 1.234321234321234e24L, "1.234321e+24" },
2186 { 1.234321234321234e25L, "1.234321e+25" },
2187 { 1.234321234321234e26L, "1.234321e+26" },
2188 { 1.234321234321234e27L, "1.234321e+27" },
2189 { 1.234321234321234e28L, "1.234321e+28" },
2190 { 1.234321234321234e29L, "1.234321e+29" },
2191 { 1.234321234321234e30L, "1.234321e+30" },
2192 { 1.234321234321234e31L, "1.234321e+31" },
2193 { 1.234321234321234e32L, "1.234321e+32" },
2194 { 1.234321234321234e33L, "1.234321e+33" },
2195 { 1.234321234321234e34L, "1.234321e+34" },
2196 { 1.234321234321234e35L, "1.234321e+35" },
2197 { 1.234321234321234e36L, "1.234321e+36" }
2200 for (k = 0; k < SIZEOF (data); k++)
2204 my_asprintf (&result, "%Le", data[k].value);
2205 ASSERT (result != NULL);
2206 ASSERT (strcmp (result, data[k].string) == 0);
2207 ASSERT (retval == strlen (result));
2212 { /* A negative number. */
2215 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2216 ASSERT (result != NULL);
2217 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
2218 ASSERT (retval == strlen (result));
2222 { /* Positive zero. */
2225 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2226 ASSERT (result != NULL);
2227 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
2228 ASSERT (retval == strlen (result));
2232 { /* Negative zero. */
2235 my_asprintf (&result, "%Le %d", -0.0L, 33, 44, 55);
2236 ASSERT (result != NULL);
2237 if (have_minus_zero ())
2238 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
2239 ASSERT (retval == strlen (result));
2243 { /* Positive infinity. */
2246 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2247 ASSERT (result != NULL);
2248 ASSERT (strcmp (result, "inf 33") == 0
2249 || strcmp (result, "infinity 33") == 0);
2250 ASSERT (retval == strlen (result));
2254 { /* Negative infinity. */
2257 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2258 ASSERT (result != NULL);
2259 ASSERT (strcmp (result, "-inf 33") == 0
2260 || strcmp (result, "-infinity 33") == 0);
2261 ASSERT (retval == strlen (result));
2266 static long double zero = 0.0L;
2269 my_asprintf (&result, "%Le %d", zero / zero, 33, 44, 55);
2270 ASSERT (result != NULL);
2271 ASSERT (strlen (result) >= 3 + 3
2272 && strisnan (result, 0, strlen (result) - 3, 0)
2273 && strcmp (result + strlen (result) - 3, " 33") == 0);
2274 ASSERT (retval == strlen (result));
2277 #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_))
2279 static union { unsigned int word[4]; long double value; } x =
2280 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2283 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2284 ASSERT (result != NULL);
2285 ASSERT (strlen (result) >= 3 + 3
2286 && strisnan (result, 0, strlen (result) - 3, 0)
2287 && strcmp (result + strlen (result) - 3, " 33") == 0);
2288 ASSERT (retval == strlen (result));
2292 /* Signalling NaN. */
2293 static union { unsigned int word[4]; long double value; } x =
2294 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2297 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2298 ASSERT (result != NULL);
2299 ASSERT (strlen (result) >= 3 + 3
2300 && strisnan (result, 0, strlen (result) - 3, 0)
2301 && strcmp (result + strlen (result) - 3, " 33") == 0);
2302 ASSERT (retval == strlen (result));
2305 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2306 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2307 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2308 Application Architecture.
2309 Table 5-2 "Floating-Point Register Encodings"
2310 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2313 static union { unsigned int word[4]; long double value; } x =
2314 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2317 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2318 ASSERT (result != NULL);
2319 ASSERT (strlen (result) >= 3 + 3
2320 && strisnan (result, 0, strlen (result) - 3, 0)
2321 && strcmp (result + strlen (result) - 3, " 33") == 0);
2322 ASSERT (retval == strlen (result));
2325 { /* Pseudo-Infinity. */
2326 static union { unsigned int word[4]; long double value; } x =
2327 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2330 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2331 ASSERT (result != NULL);
2332 ASSERT (strlen (result) >= 3 + 3
2333 && strisnan (result, 0, strlen (result) - 3, 0)
2334 && strcmp (result + strlen (result) - 3, " 33") == 0);
2335 ASSERT (retval == strlen (result));
2338 { /* Pseudo-Zero. */
2339 static union { unsigned int word[4]; long double value; } x =
2340 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2343 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2344 ASSERT (result != NULL);
2345 ASSERT (strlen (result) >= 3 + 3
2346 && strisnan (result, 0, strlen (result) - 3, 0)
2347 && strcmp (result + strlen (result) - 3, " 33") == 0);
2348 ASSERT (retval == strlen (result));
2351 { /* Unnormalized number. */
2352 static union { unsigned int word[4]; long double value; } x =
2353 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2356 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2357 ASSERT (result != NULL);
2358 ASSERT (strlen (result) >= 3 + 3
2359 && strisnan (result, 0, strlen (result) - 3, 0)
2360 && strcmp (result + strlen (result) - 3, " 33") == 0);
2361 ASSERT (retval == strlen (result));
2364 { /* Pseudo-Denormal. */
2365 static union { unsigned int word[4]; long double value; } x =
2366 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2369 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2370 ASSERT (result != NULL);
2371 ASSERT (strlen (result) >= 3 + 3
2372 && strisnan (result, 0, strlen (result) - 3, 0)
2373 && strcmp (result + strlen (result) - 3, " 33") == 0);
2374 ASSERT (retval == strlen (result));
2382 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2383 ASSERT (result != NULL);
2384 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2385 ASSERT (retval == strlen (result));
2392 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2393 ASSERT (result != NULL);
2394 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2395 ASSERT (retval == strlen (result));
2399 { /* FLAG_SHOWSIGN. */
2402 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2403 ASSERT (result != NULL);
2404 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2405 ASSERT (retval == strlen (result));
2412 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2413 ASSERT (result != NULL);
2414 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2415 ASSERT (retval == strlen (result));
2422 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2423 ASSERT (result != NULL);
2424 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2425 ASSERT (retval == strlen (result));
2432 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2433 ASSERT (result != NULL);
2434 ASSERT (strcmp (result, "2.e+00 33") == 0);
2435 ASSERT (retval == strlen (result));
2442 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2443 ASSERT (result != NULL);
2444 ASSERT (strcmp (result, "1.e+01 33") == 0);
2445 ASSERT (retval == strlen (result));
2449 { /* FLAG_ZERO with finite number. */
2452 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2453 ASSERT (result != NULL);
2454 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2455 ASSERT (retval == strlen (result));
2459 { /* FLAG_ZERO with infinite number. */
2462 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2463 ASSERT (result != NULL);
2464 ASSERT (strcmp (result, " -inf 33") == 0
2465 || strcmp (result, " -infinity 33") == 0);
2466 ASSERT (retval == strlen (result));
2470 { /* FLAG_ZERO with NaN. */
2471 static long double zero = 0.0L;
2474 my_asprintf (&result, "%050Le %d", zero / zero, 33, 44, 55);
2475 ASSERT (result != NULL);
2476 ASSERT (strlen (result) == 50 + 3
2477 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2478 && strcmp (result + strlen (result) - 3, " 33") == 0);
2479 ASSERT (retval == strlen (result));
2486 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2487 ASSERT (result != NULL);
2488 ASSERT (strcmp (result, "1e+03 33") == 0);
2489 ASSERT (retval == strlen (result));
2493 /* Test the support of the %g format directive. */
2495 { /* A positive number. */
2498 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2499 ASSERT (result != NULL);
2500 ASSERT (strcmp (result, "12.75 33") == 0);
2501 ASSERT (retval == strlen (result));
2505 { /* A larger positive number. */
2508 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2509 ASSERT (result != NULL);
2510 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2511 || strcmp (result, "1.23457e+006 33") == 0);
2512 ASSERT (retval == strlen (result));
2516 { /* Small and large positive numbers. */
2517 static struct { double value; const char *string; } data[] =
2519 { 1.234321234321234e-37, "1.23432e-37" },
2520 { 1.234321234321234e-36, "1.23432e-36" },
2521 { 1.234321234321234e-35, "1.23432e-35" },
2522 { 1.234321234321234e-34, "1.23432e-34" },
2523 { 1.234321234321234e-33, "1.23432e-33" },
2524 { 1.234321234321234e-32, "1.23432e-32" },
2525 { 1.234321234321234e-31, "1.23432e-31" },
2526 { 1.234321234321234e-30, "1.23432e-30" },
2527 { 1.234321234321234e-29, "1.23432e-29" },
2528 { 1.234321234321234e-28, "1.23432e-28" },
2529 { 1.234321234321234e-27, "1.23432e-27" },
2530 { 1.234321234321234e-26, "1.23432e-26" },
2531 { 1.234321234321234e-25, "1.23432e-25" },
2532 { 1.234321234321234e-24, "1.23432e-24" },
2533 { 1.234321234321234e-23, "1.23432e-23" },
2534 { 1.234321234321234e-22, "1.23432e-22" },
2535 { 1.234321234321234e-21, "1.23432e-21" },
2536 { 1.234321234321234e-20, "1.23432e-20" },
2537 { 1.234321234321234e-19, "1.23432e-19" },
2538 { 1.234321234321234e-18, "1.23432e-18" },
2539 { 1.234321234321234e-17, "1.23432e-17" },
2540 { 1.234321234321234e-16, "1.23432e-16" },
2541 { 1.234321234321234e-15, "1.23432e-15" },
2542 { 1.234321234321234e-14, "1.23432e-14" },
2543 { 1.234321234321234e-13, "1.23432e-13" },
2544 { 1.234321234321234e-12, "1.23432e-12" },
2545 { 1.234321234321234e-11, "1.23432e-11" },
2546 { 1.234321234321234e-10, "1.23432e-10" },
2547 { 1.234321234321234e-9, "1.23432e-09" },
2548 { 1.234321234321234e-8, "1.23432e-08" },
2549 { 1.234321234321234e-7, "1.23432e-07" },
2550 { 1.234321234321234e-6, "1.23432e-06" },
2551 { 1.234321234321234e-5, "1.23432e-05" },
2552 { 1.234321234321234e-4, "0.000123432" },
2553 { 1.234321234321234e-3, "0.00123432" },
2554 { 1.234321234321234e-2, "0.0123432" },
2555 { 1.234321234321234e-1, "0.123432" },
2556 { 1.234321234321234, "1.23432" },
2557 { 1.234321234321234e1, "12.3432" },
2558 { 1.234321234321234e2, "123.432" },
2559 { 1.234321234321234e3, "1234.32" },
2560 { 1.234321234321234e4, "12343.2" },
2561 { 1.234321234321234e5, "123432" },
2562 { 1.234321234321234e6, "1.23432e+06" },
2563 { 1.234321234321234e7, "1.23432e+07" },
2564 { 1.234321234321234e8, "1.23432e+08" },
2565 { 1.234321234321234e9, "1.23432e+09" },
2566 { 1.234321234321234e10, "1.23432e+10" },
2567 { 1.234321234321234e11, "1.23432e+11" },
2568 { 1.234321234321234e12, "1.23432e+12" },
2569 { 1.234321234321234e13, "1.23432e+13" },
2570 { 1.234321234321234e14, "1.23432e+14" },
2571 { 1.234321234321234e15, "1.23432e+15" },
2572 { 1.234321234321234e16, "1.23432e+16" },
2573 { 1.234321234321234e17, "1.23432e+17" },
2574 { 1.234321234321234e18, "1.23432e+18" },
2575 { 1.234321234321234e19, "1.23432e+19" },
2576 { 1.234321234321234e20, "1.23432e+20" },
2577 { 1.234321234321234e21, "1.23432e+21" },
2578 { 1.234321234321234e22, "1.23432e+22" },
2579 { 1.234321234321234e23, "1.23432e+23" },
2580 { 1.234321234321234e24, "1.23432e+24" },
2581 { 1.234321234321234e25, "1.23432e+25" },
2582 { 1.234321234321234e26, "1.23432e+26" },
2583 { 1.234321234321234e27, "1.23432e+27" },
2584 { 1.234321234321234e28, "1.23432e+28" },
2585 { 1.234321234321234e29, "1.23432e+29" },
2586 { 1.234321234321234e30, "1.23432e+30" },
2587 { 1.234321234321234e31, "1.23432e+31" },
2588 { 1.234321234321234e32, "1.23432e+32" },
2589 { 1.234321234321234e33, "1.23432e+33" },
2590 { 1.234321234321234e34, "1.23432e+34" },
2591 { 1.234321234321234e35, "1.23432e+35" },
2592 { 1.234321234321234e36, "1.23432e+36" }
2595 for (k = 0; k < SIZEOF (data); k++)
2599 my_asprintf (&result, "%g", data[k].value);
2600 const char *expected = data[k].string;
2601 ASSERT (result != NULL);
2602 ASSERT (strcmp (result, expected) == 0
2603 /* Some implementations produce exponents with 3 digits. */
2604 || (expected[strlen (expected) - 4] == 'e'
2605 && strlen (result) == strlen (expected) + 1
2606 && memcmp (result, expected, strlen (expected) - 2) == 0
2607 && result[strlen (expected) - 2] == '0'
2608 && strcmp (result + strlen (expected) - 1,
2609 expected + strlen (expected) - 2)
2611 ASSERT (retval == strlen (result));
2616 { /* A negative number. */
2619 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2620 ASSERT (result != NULL);
2621 ASSERT (strcmp (result, "-0.03125 33") == 0);
2622 ASSERT (retval == strlen (result));
2626 { /* Positive zero. */
2629 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2630 ASSERT (result != NULL);
2631 ASSERT (strcmp (result, "0 33") == 0);
2632 ASSERT (retval == strlen (result));
2636 { /* Negative zero. */
2639 my_asprintf (&result, "%g %d", -0.0, 33, 44, 55);
2640 ASSERT (result != NULL);
2641 if (have_minus_zero ())
2642 ASSERT (strcmp (result, "-0 33") == 0);
2643 ASSERT (retval == strlen (result));
2647 { /* Positive infinity. */
2650 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2651 ASSERT (result != NULL);
2652 ASSERT (strcmp (result, "inf 33") == 0
2653 || strcmp (result, "infinity 33") == 0);
2654 ASSERT (retval == strlen (result));
2658 { /* Negative infinity. */
2661 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2662 ASSERT (result != NULL);
2663 ASSERT (strcmp (result, "-inf 33") == 0
2664 || strcmp (result, "-infinity 33") == 0);
2665 ASSERT (retval == strlen (result));
2672 my_asprintf (&result, "%g %d", NAN, 33, 44, 55);
2673 ASSERT (result != NULL);
2674 ASSERT (strlen (result) >= 3 + 3
2675 && strisnan (result, 0, strlen (result) - 3, 0)
2676 && strcmp (result + strlen (result) - 3, " 33") == 0);
2677 ASSERT (retval == strlen (result));
2684 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2685 ASSERT (result != NULL);
2686 ASSERT (strcmp (result, " 1.75 33") == 0);
2687 ASSERT (retval == strlen (result));
2694 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2695 ASSERT (result != NULL);
2696 ASSERT (strcmp (result, "1.75 33") == 0);
2697 ASSERT (retval == strlen (result));
2701 { /* FLAG_SHOWSIGN. */
2704 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2705 ASSERT (result != NULL);
2706 ASSERT (strcmp (result, "+1.75 33") == 0);
2707 ASSERT (retval == strlen (result));
2714 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2715 ASSERT (result != NULL);
2716 ASSERT (strcmp (result, " 1.75 33") == 0);
2717 ASSERT (retval == strlen (result));
2724 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2725 ASSERT (result != NULL);
2726 ASSERT (strcmp (result, "1.75000 33") == 0);
2727 ASSERT (retval == strlen (result));
2734 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2735 ASSERT (result != NULL);
2736 ASSERT (strcmp (result, "2. 33") == 0);
2737 ASSERT (retval == strlen (result));
2744 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2745 ASSERT (result != NULL);
2746 ASSERT (strcmp (result, "1.e+01 33") == 0
2747 || strcmp (result, "1.e+001 33") == 0);
2748 ASSERT (retval == strlen (result));
2752 { /* FLAG_ZERO with finite number. */
2755 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2756 ASSERT (result != NULL);
2757 ASSERT (strcmp (result, "0000001234 33") == 0);
2758 ASSERT (retval == strlen (result));
2762 { /* FLAG_ZERO with infinite number. */
2765 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2766 ASSERT (result != NULL);
2767 ASSERT (strcmp (result, " -inf 33") == 0
2768 || strcmp (result, " -infinity 33") == 0);
2769 ASSERT (retval == strlen (result));
2773 { /* FLAG_ZERO with NaN. */
2776 my_asprintf (&result, "%050g %d", NAN, 33, 44, 55);
2777 ASSERT (result != NULL);
2778 ASSERT (strlen (result) == 50 + 3
2779 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2780 && strcmp (result + strlen (result) - 3, " 33") == 0);
2781 ASSERT (retval == strlen (result));
2788 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2789 ASSERT (result != NULL);
2790 ASSERT (strcmp (result, "1e+03 33") == 0
2791 || strcmp (result, "1e+003 33") == 0);
2792 ASSERT (retval == strlen (result));
2796 { /* A positive number. */
2799 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2800 ASSERT (result != NULL);
2801 ASSERT (strcmp (result, "12.75 33") == 0);
2802 ASSERT (retval == strlen (result));
2806 { /* A larger positive number. */
2809 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2810 ASSERT (result != NULL);
2811 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2812 ASSERT (retval == strlen (result));
2816 { /* Small and large positive numbers. */
2817 static struct { long double value; const char *string; } data[] =
2819 { 1.234321234321234e-37L, "1.23432e-37" },
2820 { 1.234321234321234e-36L, "1.23432e-36" },
2821 { 1.234321234321234e-35L, "1.23432e-35" },
2822 { 1.234321234321234e-34L, "1.23432e-34" },
2823 { 1.234321234321234e-33L, "1.23432e-33" },
2824 { 1.234321234321234e-32L, "1.23432e-32" },
2825 { 1.234321234321234e-31L, "1.23432e-31" },
2826 { 1.234321234321234e-30L, "1.23432e-30" },
2827 { 1.234321234321234e-29L, "1.23432e-29" },
2828 { 1.234321234321234e-28L, "1.23432e-28" },
2829 { 1.234321234321234e-27L, "1.23432e-27" },
2830 { 1.234321234321234e-26L, "1.23432e-26" },
2831 { 1.234321234321234e-25L, "1.23432e-25" },
2832 { 1.234321234321234e-24L, "1.23432e-24" },
2833 { 1.234321234321234e-23L, "1.23432e-23" },
2834 { 1.234321234321234e-22L, "1.23432e-22" },
2835 { 1.234321234321234e-21L, "1.23432e-21" },
2836 { 1.234321234321234e-20L, "1.23432e-20" },
2837 { 1.234321234321234e-19L, "1.23432e-19" },
2838 { 1.234321234321234e-18L, "1.23432e-18" },
2839 { 1.234321234321234e-17L, "1.23432e-17" },
2840 { 1.234321234321234e-16L, "1.23432e-16" },
2841 { 1.234321234321234e-15L, "1.23432e-15" },
2842 { 1.234321234321234e-14L, "1.23432e-14" },
2843 { 1.234321234321234e-13L, "1.23432e-13" },
2844 { 1.234321234321234e-12L, "1.23432e-12" },
2845 { 1.234321234321234e-11L, "1.23432e-11" },
2846 { 1.234321234321234e-10L, "1.23432e-10" },
2847 { 1.234321234321234e-9L, "1.23432e-09" },
2848 { 1.234321234321234e-8L, "1.23432e-08" },
2849 { 1.234321234321234e-7L, "1.23432e-07" },
2850 { 1.234321234321234e-6L, "1.23432e-06" },
2851 { 1.234321234321234e-5L, "1.23432e-05" },
2852 { 1.234321234321234e-4L, "0.000123432" },
2853 { 1.234321234321234e-3L, "0.00123432" },
2854 { 1.234321234321234e-2L, "0.0123432" },
2855 { 1.234321234321234e-1L, "0.123432" },
2856 { 1.234321234321234L, "1.23432" },
2857 { 1.234321234321234e1L, "12.3432" },
2858 { 1.234321234321234e2L, "123.432" },
2859 { 1.234321234321234e3L, "1234.32" },
2860 { 1.234321234321234e4L, "12343.2" },
2861 { 1.234321234321234e5L, "123432" },
2862 { 1.234321234321234e6L, "1.23432e+06" },
2863 { 1.234321234321234e7L, "1.23432e+07" },
2864 { 1.234321234321234e8L, "1.23432e+08" },
2865 { 1.234321234321234e9L, "1.23432e+09" },
2866 { 1.234321234321234e10L, "1.23432e+10" },
2867 { 1.234321234321234e11L, "1.23432e+11" },
2868 { 1.234321234321234e12L, "1.23432e+12" },
2869 { 1.234321234321234e13L, "1.23432e+13" },
2870 { 1.234321234321234e14L, "1.23432e+14" },
2871 { 1.234321234321234e15L, "1.23432e+15" },
2872 { 1.234321234321234e16L, "1.23432e+16" },
2873 { 1.234321234321234e17L, "1.23432e+17" },
2874 { 1.234321234321234e18L, "1.23432e+18" },
2875 { 1.234321234321234e19L, "1.23432e+19" },
2876 { 1.234321234321234e20L, "1.23432e+20" },
2877 { 1.234321234321234e21L, "1.23432e+21" },
2878 { 1.234321234321234e22L, "1.23432e+22" },
2879 { 1.234321234321234e23L, "1.23432e+23" },
2880 { 1.234321234321234e24L, "1.23432e+24" },
2881 { 1.234321234321234e25L, "1.23432e+25" },
2882 { 1.234321234321234e26L, "1.23432e+26" },
2883 { 1.234321234321234e27L, "1.23432e+27" },
2884 { 1.234321234321234e28L, "1.23432e+28" },
2885 { 1.234321234321234e29L, "1.23432e+29" },
2886 { 1.234321234321234e30L, "1.23432e+30" },
2887 { 1.234321234321234e31L, "1.23432e+31" },
2888 { 1.234321234321234e32L, "1.23432e+32" },
2889 { 1.234321234321234e33L, "1.23432e+33" },
2890 { 1.234321234321234e34L, "1.23432e+34" },
2891 { 1.234321234321234e35L, "1.23432e+35" },
2892 { 1.234321234321234e36L, "1.23432e+36" }
2895 for (k = 0; k < SIZEOF (data); k++)
2899 my_asprintf (&result, "%Lg", data[k].value);
2900 ASSERT (result != NULL);
2901 ASSERT (strcmp (result, data[k].string) == 0);
2902 ASSERT (retval == strlen (result));
2907 { /* A negative number. */
2910 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
2911 ASSERT (result != NULL);
2912 ASSERT (strcmp (result, "-0.03125 33") == 0);
2913 ASSERT (retval == strlen (result));
2917 { /* Positive zero. */
2920 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
2921 ASSERT (result != NULL);
2922 ASSERT (strcmp (result, "0 33") == 0);
2923 ASSERT (retval == strlen (result));
2927 { /* Negative zero. */
2930 my_asprintf (&result, "%Lg %d", -0.0L, 33, 44, 55);
2931 ASSERT (result != NULL);
2932 if (have_minus_zero ())
2933 ASSERT (strcmp (result, "-0 33") == 0);
2934 ASSERT (retval == strlen (result));
2938 { /* Positive infinity. */
2941 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2942 ASSERT (result != NULL);
2943 ASSERT (strcmp (result, "inf 33") == 0
2944 || strcmp (result, "infinity 33") == 0);
2945 ASSERT (retval == strlen (result));
2949 { /* Negative infinity. */
2952 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2953 ASSERT (result != NULL);
2954 ASSERT (strcmp (result, "-inf 33") == 0
2955 || strcmp (result, "-infinity 33") == 0);
2956 ASSERT (retval == strlen (result));
2961 static long double zero = 0.0L;
2964 my_asprintf (&result, "%Lg %d", zero / zero, 33, 44, 55);
2965 ASSERT (result != NULL);
2966 ASSERT (strlen (result) >= 3 + 3
2967 && strisnan (result, 0, strlen (result) - 3, 0)
2968 && strcmp (result + strlen (result) - 3, " 33") == 0);
2969 ASSERT (retval == strlen (result));
2972 #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_))
2974 static union { unsigned int word[4]; long double value; } x =
2975 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2978 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2979 ASSERT (result != NULL);
2980 ASSERT (strlen (result) >= 3 + 3
2981 && strisnan (result, 0, strlen (result) - 3, 0)
2982 && strcmp (result + strlen (result) - 3, " 33") == 0);
2983 ASSERT (retval == strlen (result));
2987 /* Signalling NaN. */
2988 static union { unsigned int word[4]; long double value; } x =
2989 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2992 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2993 ASSERT (result != NULL);
2994 ASSERT (strlen (result) >= 3 + 3
2995 && strisnan (result, 0, strlen (result) - 3, 0)
2996 && strcmp (result + strlen (result) - 3, " 33") == 0);
2997 ASSERT (retval == strlen (result));
3000 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3001 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3002 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3003 Application Architecture.
3004 Table 5-2 "Floating-Point Register Encodings"
3005 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3008 static union { unsigned int word[4]; long double value; } x =
3009 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3012 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3013 ASSERT (result != NULL);
3014 ASSERT (strlen (result) >= 3 + 3
3015 && strisnan (result, 0, strlen (result) - 3, 0)
3016 && strcmp (result + strlen (result) - 3, " 33") == 0);
3017 ASSERT (retval == strlen (result));
3020 { /* Pseudo-Infinity. */
3021 static union { unsigned int word[4]; long double value; } x =
3022 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3025 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3026 ASSERT (result != NULL);
3027 ASSERT (strlen (result) >= 3 + 3
3028 && strisnan (result, 0, strlen (result) - 3, 0)
3029 && strcmp (result + strlen (result) - 3, " 33") == 0);
3030 ASSERT (retval == strlen (result));
3033 { /* Pseudo-Zero. */
3034 static union { unsigned int word[4]; long double value; } x =
3035 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3038 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3039 ASSERT (result != NULL);
3040 ASSERT (strlen (result) >= 3 + 3
3041 && strisnan (result, 0, strlen (result) - 3, 0)
3042 && strcmp (result + strlen (result) - 3, " 33") == 0);
3043 ASSERT (retval == strlen (result));
3046 { /* Unnormalized number. */
3047 static union { unsigned int word[4]; long double value; } x =
3048 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3051 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3052 ASSERT (result != NULL);
3053 ASSERT (strlen (result) >= 3 + 3
3054 && strisnan (result, 0, strlen (result) - 3, 0)
3055 && strcmp (result + strlen (result) - 3, " 33") == 0);
3056 ASSERT (retval == strlen (result));
3059 { /* Pseudo-Denormal. */
3060 static union { unsigned int word[4]; long double value; } x =
3061 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3064 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3065 ASSERT (result != NULL);
3066 ASSERT (strlen (result) >= 3 + 3
3067 && strisnan (result, 0, strlen (result) - 3, 0)
3068 && strcmp (result + strlen (result) - 3, " 33") == 0);
3069 ASSERT (retval == strlen (result));
3077 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3078 ASSERT (result != NULL);
3079 ASSERT (strcmp (result, " 1.75 33") == 0);
3080 ASSERT (retval == strlen (result));
3087 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3088 ASSERT (result != NULL);
3089 ASSERT (strcmp (result, "1.75 33") == 0);
3090 ASSERT (retval == strlen (result));
3094 { /* FLAG_SHOWSIGN. */
3097 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3098 ASSERT (result != NULL);
3099 ASSERT (strcmp (result, "+1.75 33") == 0);
3100 ASSERT (retval == strlen (result));
3107 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3108 ASSERT (result != NULL);
3109 ASSERT (strcmp (result, " 1.75 33") == 0);
3110 ASSERT (retval == strlen (result));
3117 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3118 ASSERT (result != NULL);
3119 ASSERT (strcmp (result, "1.75000 33") == 0);
3120 ASSERT (retval == strlen (result));
3127 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3128 ASSERT (result != NULL);
3129 ASSERT (strcmp (result, "2. 33") == 0);
3130 ASSERT (retval == strlen (result));
3137 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3138 ASSERT (result != NULL);
3139 ASSERT (strcmp (result, "1.e+01 33") == 0);
3140 ASSERT (retval == strlen (result));
3144 { /* FLAG_ZERO with finite number. */
3147 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3148 ASSERT (result != NULL);
3149 ASSERT (strcmp (result, "0000001234 33") == 0);
3150 ASSERT (retval == strlen (result));
3154 { /* FLAG_ZERO with infinite number. */
3157 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3158 ASSERT (result != NULL);
3159 ASSERT (strcmp (result, " -inf 33") == 0
3160 || strcmp (result, " -infinity 33") == 0);
3161 ASSERT (retval == strlen (result));
3165 { /* FLAG_ZERO with NaN. */
3166 static long double zero = 0.0L;
3169 my_asprintf (&result, "%050Lg %d", zero / zero, 33, 44, 55);
3170 ASSERT (result != NULL);
3171 ASSERT (strlen (result) == 50 + 3
3172 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3173 && strcmp (result + strlen (result) - 3, " 33") == 0);
3174 ASSERT (retval == strlen (result));
3181 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3182 ASSERT (result != NULL);
3183 ASSERT (strcmp (result, "1e+03 33") == 0);
3184 ASSERT (retval == strlen (result));
3188 /* Test the support of the %n format directive. */
3194 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3195 ASSERT (result != NULL);
3196 ASSERT (strcmp (result, "123 ") == 0);
3197 ASSERT (retval == strlen (result));
3198 ASSERT (count == 4);
3202 /* Test the support of the POSIX/XSI format strings with positions. */
3207 my_asprintf (&result, "%2$d %1$d", 33, 55);
3208 ASSERT (result != NULL);
3209 ASSERT (strcmp (result, "55 33") == 0);
3210 ASSERT (retval == strlen (result));
3214 /* Test the support of the grouping flag. */
3219 my_asprintf (&result, "%'d %d", 1234567, 99);
3220 ASSERT (result != NULL);
3221 ASSERT (result[strlen (result) - 1] == '9');
3222 ASSERT (retval == strlen (result));
3226 /* Test the support of the left-adjust flag. */
3231 my_asprintf (&result, "a%*sc", -3, "b");
3232 ASSERT (result != NULL);
3233 ASSERT (strcmp (result, "ab c") == 0);
3234 ASSERT (retval == strlen (result));
3241 my_asprintf (&result, "a%-*sc", 3, "b");
3242 ASSERT (result != NULL);
3243 ASSERT (strcmp (result, "ab c") == 0);
3244 ASSERT (retval == strlen (result));
3251 my_asprintf (&result, "a%-*sc", -3, "b");
3252 ASSERT (result != NULL);
3253 ASSERT (strcmp (result, "ab c") == 0);
3254 ASSERT (retval == strlen (result));
3258 /* Test the support of large precision. */
3263 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3265 ASSERT (result != NULL);
3266 for (i = 0; i < 4000 - 7; i++)
3267 ASSERT (result[i] == '0');
3268 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3269 ASSERT (retval == strlen (result));
3276 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3278 ASSERT (result != NULL);
3279 ASSERT (result[0] == '-');
3280 for (i = 0; i < 4000 - 7; i++)
3281 ASSERT (result[1 + i] == '0');
3282 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3283 ASSERT (retval == strlen (result));
3290 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3292 ASSERT (result != NULL);
3293 for (i = 0; i < 4000 - 7; i++)
3294 ASSERT (result[i] == '0');
3295 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3296 ASSERT (retval == strlen (result));
3303 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3305 ASSERT (result != NULL);
3306 for (i = 0; i < 4000 - 7; i++)
3307 ASSERT (result[i] == '0');
3308 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3309 ASSERT (retval == strlen (result));
3316 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3318 ASSERT (result != NULL);
3319 for (i = 0; i < 4000 - 6; i++)
3320 ASSERT (result[i] == '0');
3321 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3322 ASSERT (retval == strlen (result));
3329 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3331 ASSERT (result != NULL);
3332 ASSERT (result[0] == '0');
3333 ASSERT (result[1] == 'x');
3334 for (i = 0; i < 4000 - 6; i++)
3335 ASSERT (result[2 + i] == '0');
3336 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3337 ASSERT (retval == strlen (result));
3347 for (i = 0; i < sizeof (input) - 1; i++)
3348 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3350 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3351 ASSERT (result != NULL);
3352 ASSERT (memcmp (result, input, 4000) == 0);
3353 ASSERT (strcmp (result + 4000, " 99") == 0);
3354 ASSERT (retval == strlen (result));
3360 my_asprintf (char **result, const char *format, ...)
3365 va_start (args, format);
3366 ret = vasprintf (result, format, args);
3374 test_function (my_asprintf);
3380 test_function (asprintf);
3384 main (int argc, char *argv[])