1 /* Test of POSIX compatible vasprintf() and asprintf() functions.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
33 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
34 #define ASSERT(expr) \
39 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
45 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
49 static double plus_zero = 0.0;
50 static double minus_zero = -0.0;
51 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
54 /* Representation of an 80-bit 'long double' as an initializer for a sequence
55 of 'unsigned int' words. */
56 #ifdef WORDS_BIGENDIAN
57 # define LDBL80_WORDS(exponent,manthi,mantlo) \
58 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
59 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
60 (unsigned int) (mantlo) << 16 \
63 # define LDBL80_WORDS(exponent,manthi,mantlo) \
64 { mantlo, manthi, exponent }
68 strmatch (const char *pattern, const char *string)
70 if (strlen (pattern) != strlen (string))
72 for (; *pattern != '\0'; pattern++, string++)
73 if (*pattern != '*' && *string != *pattern)
78 /* Test whether string[start_index..end_index-1] is a valid textual
79 representation of NaN. */
81 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
83 if (start_index < end_index)
85 if (string[start_index] == '-')
87 if (start_index + 3 <= end_index
88 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
91 if (start_index == end_index
92 || (string[start_index] == '(' && string[end_index - 1] == ')'))
100 test_function (int (*my_asprintf) (char **, const char *, ...))
104 /* Test return value convention. */
106 for (repeat = 0; repeat <= 8; repeat++)
109 int retval = asprintf (&result, "%d", 12345);
110 ASSERT (retval == 5);
111 ASSERT (result != NULL);
112 ASSERT (strcmp (result, "12345") == 0);
116 /* Test support of size specifiers as in C99. */
121 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
122 ASSERT (result != NULL);
123 ASSERT (strcmp (result, "12345671 33") == 0);
124 ASSERT (retval == strlen (result));
131 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
132 ASSERT (result != NULL);
133 ASSERT (strcmp (result, "12345672 33") == 0);
134 ASSERT (retval == strlen (result));
141 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
142 ASSERT (result != NULL);
143 ASSERT (strcmp (result, "12345673 33") == 0);
144 ASSERT (retval == strlen (result));
151 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
152 ASSERT (result != NULL);
153 ASSERT (strcmp (result, "1.5 33") == 0);
154 ASSERT (retval == strlen (result));
158 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
159 output of floating-point numbers. */
161 { /* A positive number. */
164 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
165 ASSERT (result != NULL);
166 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
167 || strcmp (result, "0x3.244p+0 33") == 0
168 || strcmp (result, "0x6.488p-1 33") == 0
169 || strcmp (result, "0xc.91p-2 33") == 0);
170 ASSERT (retval == strlen (result));
174 { /* A negative number. */
177 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
178 ASSERT (result != NULL);
179 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
180 || strcmp (result, "-0X3.244P+0 33") == 0
181 || strcmp (result, "-0X6.488P-1 33") == 0
182 || strcmp (result, "-0XC.91P-2 33") == 0);
183 ASSERT (retval == strlen (result));
187 { /* Positive zero. */
190 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
191 ASSERT (result != NULL);
192 ASSERT (strcmp (result, "0x0p+0 33") == 0);
193 ASSERT (retval == strlen (result));
197 { /* Negative zero. */
200 my_asprintf (&result, "%a %d", -0.0, 33, 44, 55);
201 ASSERT (result != NULL);
202 if (have_minus_zero ())
203 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
204 ASSERT (retval == strlen (result));
208 { /* Positive infinity. */
211 my_asprintf (&result, "%a %d", 1.0 / 0.0, 33, 44, 55);
212 ASSERT (result != NULL);
213 ASSERT (strcmp (result, "inf 33") == 0);
214 ASSERT (retval == strlen (result));
218 { /* Negative infinity. */
221 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
222 ASSERT (result != NULL);
223 ASSERT (strcmp (result, "-inf 33") == 0);
224 ASSERT (retval == strlen (result));
231 my_asprintf (&result, "%a %d", NaNd (), 33, 44, 55);
232 ASSERT (result != NULL);
233 ASSERT (strlen (result) >= 3 + 3
234 && strisnan (result, 0, strlen (result) - 3, 0)
235 && strcmp (result + strlen (result) - 3, " 33") == 0);
236 ASSERT (retval == strlen (result));
240 { /* Rounding near the decimal point. */
243 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
244 ASSERT (result != NULL);
245 ASSERT (strcmp (result, "0x2p+0 33") == 0
246 || strcmp (result, "0x3p-1 33") == 0
247 || strcmp (result, "0x6p-2 33") == 0
248 || strcmp (result, "0xcp-3 33") == 0);
249 ASSERT (retval == strlen (result));
253 { /* Rounding with precision 0. */
256 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
257 ASSERT (result != NULL);
258 ASSERT (strcmp (result, "0x2p+0 33") == 0
259 || strcmp (result, "0x3p-1 33") == 0
260 || strcmp (result, "0x6p-2 33") == 0
261 || strcmp (result, "0xcp-3 33") == 0);
262 ASSERT (retval == strlen (result));
266 { /* Rounding with precision 1. */
269 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
270 ASSERT (result != NULL);
271 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
272 || strcmp (result, "0x3.0p-1 33") == 0
273 || strcmp (result, "0x6.1p-2 33") == 0
274 || strcmp (result, "0xc.1p-3 33") == 0);
275 ASSERT (retval == strlen (result));
279 { /* Rounding with precision 2. */
282 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
283 ASSERT (result != NULL);
284 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
285 || strcmp (result, "0x3.05p-1 33") == 0
286 || strcmp (result, "0x6.0ap-2 33") == 0
287 || strcmp (result, "0xc.14p-3 33") == 0);
288 ASSERT (retval == strlen (result));
292 { /* Rounding with precision 3. */
295 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
296 ASSERT (result != NULL);
297 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
298 || strcmp (result, "0x3.052p-1 33") == 0
299 || strcmp (result, "0x6.0a4p-2 33") == 0
300 || strcmp (result, "0xc.148p-3 33") == 0);
301 ASSERT (retval == strlen (result));
305 { /* Rounding can turn a ...FFF into a ...000. */
308 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
309 ASSERT (result != NULL);
310 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
311 || strcmp (result, "0x3.000p-1 33") == 0
312 || strcmp (result, "0x6.000p-2 33") == 0
313 || strcmp (result, "0xc.000p-3 33") == 0);
314 ASSERT (retval == strlen (result));
318 { /* Rounding can turn a ...FFF into a ...000.
319 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
322 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
323 ASSERT (result != NULL);
324 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
325 || strcmp (result, "0x2.0p+0 33") == 0
326 || strcmp (result, "0x4.0p-1 33") == 0
327 || strcmp (result, "0x8.0p-2 33") == 0);
328 ASSERT (retval == strlen (result));
335 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
336 ASSERT (result != NULL);
337 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
338 || strcmp (result, " 0x3.8p-1 33") == 0
339 || strcmp (result, " 0x7p-2 33") == 0
340 || strcmp (result, " 0xep-3 33") == 0);
341 ASSERT (retval == strlen (result));
345 { /* Small precision. */
348 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
349 ASSERT (result != NULL);
350 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
351 || strcmp (result, "0x3.8000000000p-1 33") == 0
352 || strcmp (result, "0x7.0000000000p-2 33") == 0
353 || strcmp (result, "0xe.0000000000p-3 33") == 0);
354 ASSERT (retval == strlen (result));
358 { /* Large precision. */
361 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
362 ASSERT (result != NULL);
363 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
364 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
365 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
366 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
367 ASSERT (retval == strlen (result));
374 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
375 ASSERT (result != NULL);
376 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
377 || strcmp (result, "0x3.8p-1 33") == 0
378 || strcmp (result, "0x7p-2 33") == 0
379 || strcmp (result, "0xep-3 33") == 0);
380 ASSERT (retval == strlen (result));
384 { /* FLAG_SHOWSIGN. */
387 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
388 ASSERT (result != NULL);
389 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
390 || strcmp (result, "+0x3.8p-1 33") == 0
391 || strcmp (result, "+0x7p-2 33") == 0
392 || strcmp (result, "+0xep-3 33") == 0);
393 ASSERT (retval == strlen (result));
400 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
401 ASSERT (result != NULL);
402 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
403 || strcmp (result, " 0x3.8p-1 33") == 0
404 || strcmp (result, " 0x7p-2 33") == 0
405 || strcmp (result, " 0xep-3 33") == 0);
406 ASSERT (retval == strlen (result));
413 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
414 ASSERT (result != NULL);
415 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
416 || strcmp (result, "0x3.8p-1 33") == 0
417 || strcmp (result, "0x7.p-2 33") == 0
418 || strcmp (result, "0xe.p-3 33") == 0);
419 ASSERT (retval == strlen (result));
426 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
427 ASSERT (result != NULL);
428 ASSERT (strcmp (result, "0x1.p+0 33") == 0
429 || strcmp (result, "0x2.p-1 33") == 0
430 || strcmp (result, "0x4.p-2 33") == 0
431 || strcmp (result, "0x8.p-3 33") == 0);
432 ASSERT (retval == strlen (result));
436 { /* FLAG_ZERO with finite number. */
439 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
440 ASSERT (result != NULL);
441 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
442 || strcmp (result, "0x003.8p-1 33") == 0
443 || strcmp (result, "0x00007p-2 33") == 0
444 || strcmp (result, "0x0000ep-3 33") == 0);
445 ASSERT (retval == strlen (result));
449 { /* FLAG_ZERO with infinite number. */
452 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
453 ASSERT (result != NULL);
454 /* "0000000inf 33" is not a valid result; see
455 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
456 ASSERT (strcmp (result, " inf 33") == 0);
457 ASSERT (retval == strlen (result));
461 { /* FLAG_ZERO with NaN. */
464 my_asprintf (&result, "%050a %d", NaNd (), 33, 44, 55);
465 ASSERT (result != NULL);
466 /* "0000000nan 33" is not a valid result; see
467 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
468 ASSERT (strlen (result) == 50 + 3
469 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
470 && strcmp (result + strlen (result) - 3, " 33") == 0);
471 ASSERT (retval == strlen (result));
475 { /* A positive number. */
478 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
479 ASSERT (result != NULL);
480 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
481 || strcmp (result, "0x3.244p+0 33") == 0
482 || strcmp (result, "0x6.488p-1 33") == 0
483 || strcmp (result, "0xc.91p-2 33") == 0);
484 ASSERT (retval == strlen (result));
488 { /* A negative number. */
491 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
492 ASSERT (result != NULL);
493 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
494 || strcmp (result, "-0X3.244P+0 33") == 0
495 || strcmp (result, "-0X6.488P-1 33") == 0
496 || strcmp (result, "-0XC.91P-2 33") == 0);
497 ASSERT (retval == strlen (result));
501 { /* Positive zero. */
504 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
505 ASSERT (result != NULL);
506 ASSERT (strcmp (result, "0x0p+0 33") == 0);
507 ASSERT (retval == strlen (result));
511 { /* Negative zero. */
514 my_asprintf (&result, "%La %d", -0.0L, 33, 44, 55);
515 ASSERT (result != NULL);
516 if (have_minus_zero ())
517 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
518 ASSERT (retval == strlen (result));
522 { /* Positive infinity. */
525 my_asprintf (&result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
526 ASSERT (result != NULL);
527 ASSERT (strcmp (result, "inf 33") == 0);
528 ASSERT (retval == strlen (result));
532 { /* Negative infinity. */
535 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
536 ASSERT (result != NULL);
537 ASSERT (strcmp (result, "-inf 33") == 0);
538 ASSERT (retval == strlen (result));
545 my_asprintf (&result, "%La %d", NaNl (), 33, 44, 55);
546 ASSERT (result != NULL);
547 ASSERT (strlen (result) >= 3 + 3
548 && strisnan (result, 0, strlen (result) - 3, 0)
549 && strcmp (result + strlen (result) - 3, " 33") == 0);
550 ASSERT (retval == strlen (result));
553 #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_))
555 static union { unsigned int word[4]; long double value; } x =
556 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
559 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
560 ASSERT (result != NULL);
561 ASSERT (strlen (result) >= 3 + 3
562 && strisnan (result, 0, strlen (result) - 3, 0)
563 && strcmp (result + strlen (result) - 3, " 33") == 0);
564 ASSERT (retval == strlen (result));
568 /* Signalling NaN. */
569 static union { unsigned int word[4]; long double value; } x =
570 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
573 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
574 ASSERT (result != NULL);
575 ASSERT (strlen (result) >= 3 + 3
576 && strisnan (result, 0, strlen (result) - 3, 0)
577 && strcmp (result + strlen (result) - 3, " 33") == 0);
578 ASSERT (retval == strlen (result));
581 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
582 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
583 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
584 Application Architecture.
585 Table 5-2 "Floating-Point Register Encodings"
586 Figure 5-6 "Memory to Floating-Point Register Data Translation"
589 static union { unsigned int word[4]; long double value; } x =
590 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
593 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
594 ASSERT (result != NULL);
595 ASSERT (strlen (result) >= 3 + 3
596 && strisnan (result, 0, strlen (result) - 3, 0)
597 && strcmp (result + strlen (result) - 3, " 33") == 0);
598 ASSERT (retval == strlen (result));
601 { /* Pseudo-Infinity. */
602 static union { unsigned int word[4]; long double value; } x =
603 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
606 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
607 ASSERT (result != NULL);
608 ASSERT (strlen (result) >= 3 + 3
609 && strisnan (result, 0, strlen (result) - 3, 0)
610 && strcmp (result + strlen (result) - 3, " 33") == 0);
611 ASSERT (retval == strlen (result));
615 static union { unsigned int word[4]; long double value; } x =
616 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
619 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
620 ASSERT (result != NULL);
621 ASSERT (strlen (result) >= 3 + 3
622 && strisnan (result, 0, strlen (result) - 3, 0)
623 && strcmp (result + strlen (result) - 3, " 33") == 0);
624 ASSERT (retval == strlen (result));
627 { /* Unnormalized number. */
628 static union { unsigned int word[4]; long double value; } x =
629 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
632 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
633 ASSERT (result != NULL);
634 ASSERT (strlen (result) >= 3 + 3
635 && strisnan (result, 0, strlen (result) - 3, 0)
636 && strcmp (result + strlen (result) - 3, " 33") == 0);
637 ASSERT (retval == strlen (result));
640 { /* Pseudo-Denormal. */
641 static union { unsigned int word[4]; long double value; } x =
642 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
645 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
646 ASSERT (result != NULL);
647 ASSERT (strlen (result) >= 3 + 3
648 && strisnan (result, 0, strlen (result) - 3, 0)
649 && strcmp (result + strlen (result) - 3, " 33") == 0);
650 ASSERT (retval == strlen (result));
655 { /* Rounding near the decimal point. */
658 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
659 ASSERT (result != NULL);
660 ASSERT (strcmp (result, "0x2p+0 33") == 0
661 || strcmp (result, "0x3p-1 33") == 0
662 || strcmp (result, "0x6p-2 33") == 0
663 || strcmp (result, "0xcp-3 33") == 0);
664 ASSERT (retval == strlen (result));
668 { /* Rounding with precision 0. */
671 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
672 ASSERT (result != NULL);
673 ASSERT (strcmp (result, "0x2p+0 33") == 0
674 || strcmp (result, "0x3p-1 33") == 0
675 || strcmp (result, "0x6p-2 33") == 0
676 || strcmp (result, "0xcp-3 33") == 0);
677 ASSERT (retval == strlen (result));
681 { /* Rounding with precision 1. */
684 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
685 ASSERT (result != NULL);
686 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
687 || strcmp (result, "0x3.0p-1 33") == 0
688 || strcmp (result, "0x6.1p-2 33") == 0
689 || strcmp (result, "0xc.1p-3 33") == 0);
690 ASSERT (retval == strlen (result));
694 { /* Rounding with precision 2. */
697 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
698 ASSERT (result != NULL);
699 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
700 || strcmp (result, "0x3.05p-1 33") == 0
701 || strcmp (result, "0x6.0ap-2 33") == 0
702 || strcmp (result, "0xc.14p-3 33") == 0);
703 ASSERT (retval == strlen (result));
707 { /* Rounding with precision 3. */
710 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
711 ASSERT (result != NULL);
712 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
713 || strcmp (result, "0x3.052p-1 33") == 0
714 || strcmp (result, "0x6.0a4p-2 33") == 0
715 || strcmp (result, "0xc.148p-3 33") == 0);
716 ASSERT (retval == strlen (result));
720 { /* Rounding can turn a ...FFF into a ...000. */
723 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
724 ASSERT (result != NULL);
725 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
726 || strcmp (result, "0x3.000p-1 33") == 0
727 || strcmp (result, "0x6.000p-2 33") == 0
728 || strcmp (result, "0xc.000p-3 33") == 0);
729 ASSERT (retval == strlen (result));
733 { /* Rounding can turn a ...FFF into a ...000.
734 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
735 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
738 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
739 ASSERT (result != NULL);
740 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
741 || strcmp (result, "0x2.0p+0 33") == 0
742 || strcmp (result, "0x4.0p-1 33") == 0
743 || strcmp (result, "0x8.0p-2 33") == 0);
744 ASSERT (retval == strlen (result));
751 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
752 ASSERT (result != NULL);
753 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
754 || strcmp (result, " 0x3.8p-1 33") == 0
755 || strcmp (result, " 0x7p-2 33") == 0
756 || strcmp (result, " 0xep-3 33") == 0);
757 ASSERT (retval == strlen (result));
761 { /* Small precision. */
764 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
765 ASSERT (result != NULL);
766 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
767 || strcmp (result, "0x3.8000000000p-1 33") == 0
768 || strcmp (result, "0x7.0000000000p-2 33") == 0
769 || strcmp (result, "0xe.0000000000p-3 33") == 0);
770 ASSERT (retval == strlen (result));
774 { /* Large precision. */
777 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
778 ASSERT (result != NULL);
779 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
780 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
781 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
782 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
783 ASSERT (retval == strlen (result));
790 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
791 ASSERT (result != NULL);
792 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
793 || strcmp (result, "0x3.8p-1 33") == 0
794 || strcmp (result, "0x7p-2 33") == 0
795 || strcmp (result, "0xep-3 33") == 0);
796 ASSERT (retval == strlen (result));
800 { /* FLAG_SHOWSIGN. */
803 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
804 ASSERT (result != NULL);
805 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
806 || strcmp (result, "+0x3.8p-1 33") == 0
807 || strcmp (result, "+0x7p-2 33") == 0
808 || strcmp (result, "+0xep-3 33") == 0);
809 ASSERT (retval == strlen (result));
816 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
817 ASSERT (result != NULL);
818 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
819 || strcmp (result, " 0x3.8p-1 33") == 0
820 || strcmp (result, " 0x7p-2 33") == 0
821 || strcmp (result, " 0xep-3 33") == 0);
822 ASSERT (retval == strlen (result));
829 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
830 ASSERT (result != NULL);
831 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
832 || strcmp (result, "0x3.8p-1 33") == 0
833 || strcmp (result, "0x7.p-2 33") == 0
834 || strcmp (result, "0xe.p-3 33") == 0);
835 ASSERT (retval == strlen (result));
842 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
843 ASSERT (result != NULL);
844 ASSERT (strcmp (result, "0x1.p+0 33") == 0
845 || strcmp (result, "0x2.p-1 33") == 0
846 || strcmp (result, "0x4.p-2 33") == 0
847 || strcmp (result, "0x8.p-3 33") == 0);
848 ASSERT (retval == strlen (result));
852 { /* FLAG_ZERO with finite number. */
855 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
856 ASSERT (result != NULL);
857 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
858 || strcmp (result, "0x003.8p-1 33") == 0
859 || strcmp (result, "0x00007p-2 33") == 0
860 || strcmp (result, "0x0000ep-3 33") == 0);
861 ASSERT (retval == strlen (result));
865 { /* FLAG_ZERO with infinite number. */
868 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
869 ASSERT (result != NULL);
870 /* "0000000inf 33" is not a valid result; see
871 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
872 ASSERT (strcmp (result, " inf 33") == 0);
873 ASSERT (retval == strlen (result));
877 { /* FLAG_ZERO with NaN. */
880 my_asprintf (&result, "%050La %d", NaNl (), 33, 44, 55);
881 ASSERT (result != NULL);
882 /* "0000000nan 33" is not a valid result; see
883 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
884 ASSERT (strlen (result) == 50 + 3
885 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
886 && strcmp (result + strlen (result) - 3, " 33") == 0);
887 ASSERT (retval == strlen (result));
891 /* Test the support of the %f format directive. */
893 { /* A positive number. */
896 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
897 ASSERT (result != NULL);
898 ASSERT (strcmp (result, "12.750000 33") == 0);
899 ASSERT (retval == strlen (result));
903 { /* A larger positive number. */
906 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
907 ASSERT (result != NULL);
908 ASSERT (strcmp (result, "1234567.000000 33") == 0);
909 ASSERT (retval == strlen (result));
913 { /* Small and large positive numbers. */
914 static struct { double value; const char *string; } data[] =
916 { 1.234321234321234e-37, "0.000000" },
917 { 1.234321234321234e-36, "0.000000" },
918 { 1.234321234321234e-35, "0.000000" },
919 { 1.234321234321234e-34, "0.000000" },
920 { 1.234321234321234e-33, "0.000000" },
921 { 1.234321234321234e-32, "0.000000" },
922 { 1.234321234321234e-31, "0.000000" },
923 { 1.234321234321234e-30, "0.000000" },
924 { 1.234321234321234e-29, "0.000000" },
925 { 1.234321234321234e-28, "0.000000" },
926 { 1.234321234321234e-27, "0.000000" },
927 { 1.234321234321234e-26, "0.000000" },
928 { 1.234321234321234e-25, "0.000000" },
929 { 1.234321234321234e-24, "0.000000" },
930 { 1.234321234321234e-23, "0.000000" },
931 { 1.234321234321234e-22, "0.000000" },
932 { 1.234321234321234e-21, "0.000000" },
933 { 1.234321234321234e-20, "0.000000" },
934 { 1.234321234321234e-19, "0.000000" },
935 { 1.234321234321234e-18, "0.000000" },
936 { 1.234321234321234e-17, "0.000000" },
937 { 1.234321234321234e-16, "0.000000" },
938 { 1.234321234321234e-15, "0.000000" },
939 { 1.234321234321234e-14, "0.000000" },
940 { 1.234321234321234e-13, "0.000000" },
941 { 1.234321234321234e-12, "0.000000" },
942 { 1.234321234321234e-11, "0.000000" },
943 { 1.234321234321234e-10, "0.000000" },
944 { 1.234321234321234e-9, "0.000000" },
945 { 1.234321234321234e-8, "0.000000" },
946 { 1.234321234321234e-7, "0.000000" },
947 { 1.234321234321234e-6, "0.000001" },
948 { 1.234321234321234e-5, "0.000012" },
949 { 1.234321234321234e-4, "0.000123" },
950 { 1.234321234321234e-3, "0.001234" },
951 { 1.234321234321234e-2, "0.012343" },
952 { 1.234321234321234e-1, "0.123432" },
953 { 1.234321234321234, "1.234321" },
954 { 1.234321234321234e1, "12.343212" },
955 { 1.234321234321234e2, "123.432123" },
956 { 1.234321234321234e3, "1234.321234" },
957 { 1.234321234321234e4, "12343.212343" },
958 { 1.234321234321234e5, "123432.123432" },
959 { 1.234321234321234e6, "1234321.234321" },
960 { 1.234321234321234e7, "12343212.343212" },
961 { 1.234321234321234e8, "123432123.432123" },
962 { 1.234321234321234e9, "1234321234.321234" },
963 { 1.234321234321234e10, "12343212343.2123**" },
964 { 1.234321234321234e11, "123432123432.123***" },
965 { 1.234321234321234e12, "1234321234321.23****" },
966 { 1.234321234321234e13, "12343212343212.3*****" },
967 { 1.234321234321234e14, "123432123432123.******" },
968 { 1.234321234321234e15, "1234321234321234.000000" },
969 { 1.234321234321234e16, "123432123432123**.000000" },
970 { 1.234321234321234e17, "123432123432123***.000000" },
971 { 1.234321234321234e18, "123432123432123****.000000" },
972 { 1.234321234321234e19, "123432123432123*****.000000" },
973 { 1.234321234321234e20, "123432123432123******.000000" },
974 { 1.234321234321234e21, "123432123432123*******.000000" },
975 { 1.234321234321234e22, "123432123432123********.000000" },
976 { 1.234321234321234e23, "123432123432123*********.000000" },
977 { 1.234321234321234e24, "123432123432123**********.000000" },
978 { 1.234321234321234e25, "123432123432123***********.000000" },
979 { 1.234321234321234e26, "123432123432123************.000000" },
980 { 1.234321234321234e27, "123432123432123*************.000000" },
981 { 1.234321234321234e28, "123432123432123**************.000000" },
982 { 1.234321234321234e29, "123432123432123***************.000000" },
983 { 1.234321234321234e30, "123432123432123****************.000000" },
984 { 1.234321234321234e31, "123432123432123*****************.000000" },
985 { 1.234321234321234e32, "123432123432123******************.000000" },
986 { 1.234321234321234e33, "123432123432123*******************.000000" },
987 { 1.234321234321234e34, "123432123432123********************.000000" },
988 { 1.234321234321234e35, "123432123432123*********************.000000" },
989 { 1.234321234321234e36, "123432123432123**********************.000000" }
992 for (k = 0; k < SIZEOF (data); k++)
996 my_asprintf (&result, "%f", data[k].value);
997 ASSERT (result != NULL);
998 ASSERT (strmatch (data[k].string, result));
999 ASSERT (retval == strlen (result));
1004 { /* A negative number. */
1007 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1008 ASSERT (result != NULL);
1009 ASSERT (strcmp (result, "-0.031250 33") == 0);
1010 ASSERT (retval == strlen (result));
1014 { /* Positive zero. */
1017 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1018 ASSERT (result != NULL);
1019 ASSERT (strcmp (result, "0.000000 33") == 0);
1020 ASSERT (retval == strlen (result));
1024 { /* Negative zero. */
1027 my_asprintf (&result, "%f %d", -0.0, 33, 44, 55);
1028 ASSERT (result != NULL);
1029 if (have_minus_zero ())
1030 ASSERT (strcmp (result, "-0.000000 33") == 0);
1031 ASSERT (retval == strlen (result));
1035 { /* Positive infinity. */
1038 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1039 ASSERT (result != NULL);
1040 ASSERT (strcmp (result, "inf 33") == 0
1041 || strcmp (result, "infinity 33") == 0);
1042 ASSERT (retval == strlen (result));
1046 { /* Negative infinity. */
1049 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1050 ASSERT (result != NULL);
1051 ASSERT (strcmp (result, "-inf 33") == 0
1052 || strcmp (result, "-infinity 33") == 0);
1053 ASSERT (retval == strlen (result));
1060 my_asprintf (&result, "%f %d", NaNd (), 33, 44, 55);
1061 ASSERT (result != NULL);
1062 ASSERT (strlen (result) >= 3 + 3
1063 && strisnan (result, 0, strlen (result) - 3, 0)
1064 && strcmp (result + strlen (result) - 3, " 33") == 0);
1065 ASSERT (retval == strlen (result));
1072 my_asprintf (&result, "%10f %d", 1.75, 33, 44, 55);
1073 ASSERT (result != NULL);
1074 ASSERT (strcmp (result, " 1.750000 33") == 0);
1075 ASSERT (retval == strlen (result));
1082 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1083 ASSERT (result != NULL);
1084 ASSERT (strcmp (result, "1.750000 33") == 0);
1085 ASSERT (retval == strlen (result));
1089 { /* FLAG_SHOWSIGN. */
1092 my_asprintf (&result, "%+f %d", 1.75, 33, 44, 55);
1093 ASSERT (result != NULL);
1094 ASSERT (strcmp (result, "+1.750000 33") == 0);
1095 ASSERT (retval == strlen (result));
1102 my_asprintf (&result, "% f %d", 1.75, 33, 44, 55);
1103 ASSERT (result != NULL);
1104 ASSERT (strcmp (result, " 1.750000 33") == 0);
1105 ASSERT (retval == strlen (result));
1112 my_asprintf (&result, "%#f %d", 1.75, 33, 44, 55);
1113 ASSERT (result != NULL);
1114 ASSERT (strcmp (result, "1.750000 33") == 0);
1115 ASSERT (retval == strlen (result));
1122 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1123 ASSERT (result != NULL);
1124 ASSERT (strcmp (result, "2. 33") == 0);
1125 ASSERT (retval == strlen (result));
1129 { /* FLAG_ZERO with finite number. */
1132 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1133 ASSERT (result != NULL);
1134 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1135 ASSERT (retval == strlen (result));
1139 { /* FLAG_ZERO with infinite number. */
1142 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1143 ASSERT (result != NULL);
1144 ASSERT (strcmp (result, " -inf 33") == 0
1145 || strcmp (result, " -infinity 33") == 0);
1146 ASSERT (retval == strlen (result));
1150 { /* FLAG_ZERO with NaN. */
1153 my_asprintf (&result, "%050f %d", NaNd (), 33, 44, 55);
1154 ASSERT (result != NULL);
1155 ASSERT (strlen (result) == 50 + 3
1156 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1157 && strcmp (result + strlen (result) - 3, " 33") == 0);
1158 ASSERT (retval == strlen (result));
1165 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1166 ASSERT (result != NULL);
1167 ASSERT (strcmp (result, "1234 33") == 0);
1168 ASSERT (retval == strlen (result));
1172 { /* A positive number. */
1175 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1176 ASSERT (result != NULL);
1177 ASSERT (strcmp (result, "12.750000 33") == 0);
1178 ASSERT (retval == strlen (result));
1182 { /* A larger positive number. */
1185 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1186 ASSERT (result != NULL);
1187 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1188 ASSERT (retval == strlen (result));
1192 { /* Small and large positive numbers. */
1193 static struct { long double value; const char *string; } data[] =
1195 { 1.234321234321234e-37L, "0.000000" },
1196 { 1.234321234321234e-36L, "0.000000" },
1197 { 1.234321234321234e-35L, "0.000000" },
1198 { 1.234321234321234e-34L, "0.000000" },
1199 { 1.234321234321234e-33L, "0.000000" },
1200 { 1.234321234321234e-32L, "0.000000" },
1201 { 1.234321234321234e-31L, "0.000000" },
1202 { 1.234321234321234e-30L, "0.000000" },
1203 { 1.234321234321234e-29L, "0.000000" },
1204 { 1.234321234321234e-28L, "0.000000" },
1205 { 1.234321234321234e-27L, "0.000000" },
1206 { 1.234321234321234e-26L, "0.000000" },
1207 { 1.234321234321234e-25L, "0.000000" },
1208 { 1.234321234321234e-24L, "0.000000" },
1209 { 1.234321234321234e-23L, "0.000000" },
1210 { 1.234321234321234e-22L, "0.000000" },
1211 { 1.234321234321234e-21L, "0.000000" },
1212 { 1.234321234321234e-20L, "0.000000" },
1213 { 1.234321234321234e-19L, "0.000000" },
1214 { 1.234321234321234e-18L, "0.000000" },
1215 { 1.234321234321234e-17L, "0.000000" },
1216 { 1.234321234321234e-16L, "0.000000" },
1217 { 1.234321234321234e-15L, "0.000000" },
1218 { 1.234321234321234e-14L, "0.000000" },
1219 { 1.234321234321234e-13L, "0.000000" },
1220 { 1.234321234321234e-12L, "0.000000" },
1221 { 1.234321234321234e-11L, "0.000000" },
1222 { 1.234321234321234e-10L, "0.000000" },
1223 { 1.234321234321234e-9L, "0.000000" },
1224 { 1.234321234321234e-8L, "0.000000" },
1225 { 1.234321234321234e-7L, "0.000000" },
1226 { 1.234321234321234e-6L, "0.000001" },
1227 { 1.234321234321234e-5L, "0.000012" },
1228 { 1.234321234321234e-4L, "0.000123" },
1229 { 1.234321234321234e-3L, "0.001234" },
1230 { 1.234321234321234e-2L, "0.012343" },
1231 { 1.234321234321234e-1L, "0.123432" },
1232 { 1.234321234321234L, "1.234321" },
1233 { 1.234321234321234e1L, "12.343212" },
1234 { 1.234321234321234e2L, "123.432123" },
1235 { 1.234321234321234e3L, "1234.321234" },
1236 { 1.234321234321234e4L, "12343.212343" },
1237 { 1.234321234321234e5L, "123432.123432" },
1238 { 1.234321234321234e6L, "1234321.234321" },
1239 { 1.234321234321234e7L, "12343212.343212" },
1240 { 1.234321234321234e8L, "123432123.432123" },
1241 { 1.234321234321234e9L, "1234321234.321234" },
1242 { 1.234321234321234e10L, "12343212343.2123**" },
1243 { 1.234321234321234e11L, "123432123432.123***" },
1244 { 1.234321234321234e12L, "1234321234321.23****" },
1245 { 1.234321234321234e13L, "12343212343212.3*****" },
1246 { 1.234321234321234e14L, "123432123432123.******" },
1247 { 1.234321234321234e15L, "1234321234321234.000000" },
1248 { 1.234321234321234e16L, "123432123432123**.000000" },
1249 { 1.234321234321234e17L, "123432123432123***.000000" },
1250 { 1.234321234321234e18L, "123432123432123****.000000" },
1251 { 1.234321234321234e19L, "123432123432123*****.000000" },
1252 { 1.234321234321234e20L, "123432123432123******.000000" },
1253 { 1.234321234321234e21L, "123432123432123*******.000000" },
1254 { 1.234321234321234e22L, "123432123432123********.000000" },
1255 { 1.234321234321234e23L, "123432123432123*********.000000" },
1256 { 1.234321234321234e24L, "123432123432123**********.000000" },
1257 { 1.234321234321234e25L, "123432123432123***********.000000" },
1258 { 1.234321234321234e26L, "123432123432123************.000000" },
1259 { 1.234321234321234e27L, "123432123432123*************.000000" },
1260 { 1.234321234321234e28L, "123432123432123**************.000000" },
1261 { 1.234321234321234e29L, "123432123432123***************.000000" },
1262 { 1.234321234321234e30L, "123432123432123****************.000000" },
1263 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1264 { 1.234321234321234e32L, "123432123432123******************.000000" },
1265 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1266 { 1.234321234321234e34L, "123432123432123********************.000000" },
1267 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1268 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1271 for (k = 0; k < SIZEOF (data); k++)
1275 my_asprintf (&result, "%Lf", data[k].value);
1276 ASSERT (result != NULL);
1277 ASSERT (strmatch (data[k].string, result));
1278 ASSERT (retval == strlen (result));
1283 { /* A negative number. */
1286 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1287 ASSERT (result != NULL);
1288 ASSERT (strcmp (result, "-0.031250 33") == 0);
1289 ASSERT (retval == strlen (result));
1293 { /* Positive zero. */
1296 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1297 ASSERT (result != NULL);
1298 ASSERT (strcmp (result, "0.000000 33") == 0);
1299 ASSERT (retval == strlen (result));
1303 { /* Negative zero. */
1306 my_asprintf (&result, "%Lf %d", -0.0L, 33, 44, 55);
1307 ASSERT (result != NULL);
1308 if (have_minus_zero ())
1309 ASSERT (strcmp (result, "-0.000000 33") == 0);
1310 ASSERT (retval == strlen (result));
1314 { /* Positive infinity. */
1317 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1318 ASSERT (result != NULL);
1319 ASSERT (strcmp (result, "inf 33") == 0
1320 || strcmp (result, "infinity 33") == 0);
1321 ASSERT (retval == strlen (result));
1325 { /* Negative infinity. */
1328 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1329 ASSERT (result != NULL);
1330 ASSERT (strcmp (result, "-inf 33") == 0
1331 || strcmp (result, "-infinity 33") == 0);
1332 ASSERT (retval == strlen (result));
1339 my_asprintf (&result, "%Lf %d", NaNl (), 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. */
1533 my_asprintf (&result, "%050Lf %d", NaNl (), 33, 44, 55);
1534 ASSERT (result != NULL);
1535 ASSERT (strlen (result) == 50 + 3
1536 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1537 && strcmp (result + strlen (result) - 3, " 33") == 0);
1538 ASSERT (retval == strlen (result));
1545 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1546 ASSERT (result != NULL);
1547 ASSERT (strcmp (result, "1234 33") == 0);
1548 ASSERT (retval == strlen (result));
1552 /* Test the support of the %F format directive. */
1554 { /* A positive number. */
1557 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1558 ASSERT (result != NULL);
1559 ASSERT (strcmp (result, "12.750000 33") == 0);
1560 ASSERT (retval == strlen (result));
1564 { /* A larger positive number. */
1567 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1568 ASSERT (result != NULL);
1569 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1570 ASSERT (retval == strlen (result));
1574 { /* A negative number. */
1577 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1578 ASSERT (result != NULL);
1579 ASSERT (strcmp (result, "-0.031250 33") == 0);
1580 ASSERT (retval == strlen (result));
1584 { /* Positive zero. */
1587 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1588 ASSERT (result != NULL);
1589 ASSERT (strcmp (result, "0.000000 33") == 0);
1590 ASSERT (retval == strlen (result));
1594 { /* Negative zero. */
1597 my_asprintf (&result, "%F %d", -0.0, 33, 44, 55);
1598 ASSERT (result != NULL);
1599 if (have_minus_zero ())
1600 ASSERT (strcmp (result, "-0.000000 33") == 0);
1601 ASSERT (retval == strlen (result));
1605 { /* Positive infinity. */
1608 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1609 ASSERT (result != NULL);
1610 ASSERT (strcmp (result, "INF 33") == 0
1611 || strcmp (result, "INFINITY 33") == 0);
1612 ASSERT (retval == strlen (result));
1616 { /* Negative infinity. */
1619 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1620 ASSERT (result != NULL);
1621 ASSERT (strcmp (result, "-INF 33") == 0
1622 || strcmp (result, "-INFINITY 33") == 0);
1623 ASSERT (retval == strlen (result));
1630 my_asprintf (&result, "%F %d", NaNd (), 33, 44, 55);
1631 ASSERT (result != NULL);
1632 ASSERT (strlen (result) >= 3 + 3
1633 && strisnan (result, 0, strlen (result) - 3, 1)
1634 && strcmp (result + strlen (result) - 3, " 33") == 0);
1635 ASSERT (retval == strlen (result));
1642 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1643 ASSERT (result != NULL);
1644 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1645 ASSERT (retval == strlen (result));
1649 { /* FLAG_ZERO with infinite number. */
1652 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1653 ASSERT (result != NULL);
1654 ASSERT (strcmp (result, " -INF 33") == 0
1655 || strcmp (result, " -INFINITY 33") == 0);
1656 ASSERT (retval == strlen (result));
1663 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1664 ASSERT (result != NULL);
1665 ASSERT (strcmp (result, "1234 33") == 0);
1666 ASSERT (retval == strlen (result));
1670 { /* A positive number. */
1673 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1674 ASSERT (result != NULL);
1675 ASSERT (strcmp (result, "12.750000 33") == 0);
1676 ASSERT (retval == strlen (result));
1680 { /* A larger positive number. */
1683 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1684 ASSERT (result != NULL);
1685 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1686 ASSERT (retval == strlen (result));
1690 { /* A negative number. */
1693 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1694 ASSERT (result != NULL);
1695 ASSERT (strcmp (result, "-0.031250 33") == 0);
1696 ASSERT (retval == strlen (result));
1700 { /* Positive zero. */
1703 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1704 ASSERT (result != NULL);
1705 ASSERT (strcmp (result, "0.000000 33") == 0);
1706 ASSERT (retval == strlen (result));
1710 { /* Negative zero. */
1713 my_asprintf (&result, "%LF %d", -0.0L, 33, 44, 55);
1714 ASSERT (result != NULL);
1715 if (have_minus_zero ())
1716 ASSERT (strcmp (result, "-0.000000 33") == 0);
1717 ASSERT (retval == strlen (result));
1721 { /* Positive infinity. */
1724 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1725 ASSERT (result != NULL);
1726 ASSERT (strcmp (result, "INF 33") == 0
1727 || strcmp (result, "INFINITY 33") == 0);
1728 ASSERT (retval == strlen (result));
1732 { /* Negative infinity. */
1735 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1736 ASSERT (result != NULL);
1737 ASSERT (strcmp (result, "-INF 33") == 0
1738 || strcmp (result, "-INFINITY 33") == 0);
1739 ASSERT (retval == strlen (result));
1746 my_asprintf (&result, "%LF %d", NaNl (), 33, 44, 55);
1747 ASSERT (result != NULL);
1748 ASSERT (strlen (result) >= 3 + 3
1749 && strisnan (result, 0, strlen (result) - 3, 1)
1750 && strcmp (result + strlen (result) - 3, " 33") == 0);
1751 ASSERT (retval == strlen (result));
1758 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1759 ASSERT (result != NULL);
1760 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1761 ASSERT (retval == strlen (result));
1765 { /* FLAG_ZERO with infinite number. */
1768 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1769 ASSERT (result != NULL);
1770 ASSERT (strcmp (result, " -INF 33") == 0
1771 || strcmp (result, " -INFINITY 33") == 0);
1772 ASSERT (retval == strlen (result));
1779 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1780 ASSERT (result != NULL);
1781 ASSERT (strcmp (result, "1234 33") == 0);
1782 ASSERT (retval == strlen (result));
1786 /* Test the support of the %e format directive. */
1788 { /* A positive number. */
1791 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1792 ASSERT (result != NULL);
1793 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1794 || strcmp (result, "1.275000e+001 33") == 0);
1795 ASSERT (retval == strlen (result));
1799 { /* A larger positive number. */
1802 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1803 ASSERT (result != NULL);
1804 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1805 || strcmp (result, "1.234567e+006 33") == 0);
1806 ASSERT (retval == strlen (result));
1810 { /* Small and large positive numbers. */
1811 static struct { double value; const char *string; } data[] =
1813 { 1.234321234321234e-37, "1.234321e-37" },
1814 { 1.234321234321234e-36, "1.234321e-36" },
1815 { 1.234321234321234e-35, "1.234321e-35" },
1816 { 1.234321234321234e-34, "1.234321e-34" },
1817 { 1.234321234321234e-33, "1.234321e-33" },
1818 { 1.234321234321234e-32, "1.234321e-32" },
1819 { 1.234321234321234e-31, "1.234321e-31" },
1820 { 1.234321234321234e-30, "1.234321e-30" },
1821 { 1.234321234321234e-29, "1.234321e-29" },
1822 { 1.234321234321234e-28, "1.234321e-28" },
1823 { 1.234321234321234e-27, "1.234321e-27" },
1824 { 1.234321234321234e-26, "1.234321e-26" },
1825 { 1.234321234321234e-25, "1.234321e-25" },
1826 { 1.234321234321234e-24, "1.234321e-24" },
1827 { 1.234321234321234e-23, "1.234321e-23" },
1828 { 1.234321234321234e-22, "1.234321e-22" },
1829 { 1.234321234321234e-21, "1.234321e-21" },
1830 { 1.234321234321234e-20, "1.234321e-20" },
1831 { 1.234321234321234e-19, "1.234321e-19" },
1832 { 1.234321234321234e-18, "1.234321e-18" },
1833 { 1.234321234321234e-17, "1.234321e-17" },
1834 { 1.234321234321234e-16, "1.234321e-16" },
1835 { 1.234321234321234e-15, "1.234321e-15" },
1836 { 1.234321234321234e-14, "1.234321e-14" },
1837 { 1.234321234321234e-13, "1.234321e-13" },
1838 { 1.234321234321234e-12, "1.234321e-12" },
1839 { 1.234321234321234e-11, "1.234321e-11" },
1840 { 1.234321234321234e-10, "1.234321e-10" },
1841 { 1.234321234321234e-9, "1.234321e-09" },
1842 { 1.234321234321234e-8, "1.234321e-08" },
1843 { 1.234321234321234e-7, "1.234321e-07" },
1844 { 1.234321234321234e-6, "1.234321e-06" },
1845 { 1.234321234321234e-5, "1.234321e-05" },
1846 { 1.234321234321234e-4, "1.234321e-04" },
1847 { 1.234321234321234e-3, "1.234321e-03" },
1848 { 1.234321234321234e-2, "1.234321e-02" },
1849 { 1.234321234321234e-1, "1.234321e-01" },
1850 { 1.234321234321234, "1.234321e+00" },
1851 { 1.234321234321234e1, "1.234321e+01" },
1852 { 1.234321234321234e2, "1.234321e+02" },
1853 { 1.234321234321234e3, "1.234321e+03" },
1854 { 1.234321234321234e4, "1.234321e+04" },
1855 { 1.234321234321234e5, "1.234321e+05" },
1856 { 1.234321234321234e6, "1.234321e+06" },
1857 { 1.234321234321234e7, "1.234321e+07" },
1858 { 1.234321234321234e8, "1.234321e+08" },
1859 { 1.234321234321234e9, "1.234321e+09" },
1860 { 1.234321234321234e10, "1.234321e+10" },
1861 { 1.234321234321234e11, "1.234321e+11" },
1862 { 1.234321234321234e12, "1.234321e+12" },
1863 { 1.234321234321234e13, "1.234321e+13" },
1864 { 1.234321234321234e14, "1.234321e+14" },
1865 { 1.234321234321234e15, "1.234321e+15" },
1866 { 1.234321234321234e16, "1.234321e+16" },
1867 { 1.234321234321234e17, "1.234321e+17" },
1868 { 1.234321234321234e18, "1.234321e+18" },
1869 { 1.234321234321234e19, "1.234321e+19" },
1870 { 1.234321234321234e20, "1.234321e+20" },
1871 { 1.234321234321234e21, "1.234321e+21" },
1872 { 1.234321234321234e22, "1.234321e+22" },
1873 { 1.234321234321234e23, "1.234321e+23" },
1874 { 1.234321234321234e24, "1.234321e+24" },
1875 { 1.234321234321234e25, "1.234321e+25" },
1876 { 1.234321234321234e26, "1.234321e+26" },
1877 { 1.234321234321234e27, "1.234321e+27" },
1878 { 1.234321234321234e28, "1.234321e+28" },
1879 { 1.234321234321234e29, "1.234321e+29" },
1880 { 1.234321234321234e30, "1.234321e+30" },
1881 { 1.234321234321234e31, "1.234321e+31" },
1882 { 1.234321234321234e32, "1.234321e+32" },
1883 { 1.234321234321234e33, "1.234321e+33" },
1884 { 1.234321234321234e34, "1.234321e+34" },
1885 { 1.234321234321234e35, "1.234321e+35" },
1886 { 1.234321234321234e36, "1.234321e+36" }
1889 for (k = 0; k < SIZEOF (data); k++)
1893 my_asprintf (&result, "%e", data[k].value);
1894 const char *expected = data[k].string;
1895 ASSERT (result != NULL);
1896 ASSERT (strcmp (result, expected) == 0
1897 /* Some implementations produce exponents with 3 digits. */
1898 || (strlen (result) == strlen (expected) + 1
1899 && memcmp (result, expected, strlen (expected) - 2) == 0
1900 && result[strlen (expected) - 2] == '0'
1901 && strcmp (result + strlen (expected) - 1,
1902 expected + strlen (expected) - 2)
1904 ASSERT (retval == strlen (result));
1909 { /* A negative number. */
1912 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
1913 ASSERT (result != NULL);
1914 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1915 || strcmp (result, "-3.125000e-002 33") == 0);
1916 ASSERT (retval == strlen (result));
1920 { /* Positive zero. */
1923 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
1924 ASSERT (result != NULL);
1925 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1926 || strcmp (result, "0.000000e+000 33") == 0);
1927 ASSERT (retval == strlen (result));
1931 { /* Negative zero. */
1934 my_asprintf (&result, "%e %d", -0.0, 33, 44, 55);
1935 ASSERT (result != NULL);
1936 if (have_minus_zero ())
1937 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1938 || strcmp (result, "-0.000000e+000 33") == 0);
1939 ASSERT (retval == strlen (result));
1943 { /* Positive infinity. */
1946 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1947 ASSERT (result != NULL);
1948 ASSERT (strcmp (result, "inf 33") == 0
1949 || strcmp (result, "infinity 33") == 0);
1950 ASSERT (retval == strlen (result));
1954 { /* Negative infinity. */
1957 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1958 ASSERT (result != NULL);
1959 ASSERT (strcmp (result, "-inf 33") == 0
1960 || strcmp (result, "-infinity 33") == 0);
1961 ASSERT (retval == strlen (result));
1968 my_asprintf (&result, "%e %d", NaNd (), 33, 44, 55);
1969 ASSERT (result != NULL);
1970 ASSERT (strlen (result) >= 3 + 3
1971 && strisnan (result, 0, strlen (result) - 3, 0)
1972 && strcmp (result + strlen (result) - 3, " 33") == 0);
1973 ASSERT (retval == strlen (result));
1980 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
1981 ASSERT (result != NULL);
1982 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1983 || strcmp (result, " 1.750000e+000 33") == 0);
1984 ASSERT (retval == strlen (result));
1991 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
1992 ASSERT (result != NULL);
1993 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1994 || strcmp (result, "1.750000e+000 33") == 0);
1995 ASSERT (retval == strlen (result));
1999 { /* FLAG_SHOWSIGN. */
2002 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2003 ASSERT (result != NULL);
2004 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2005 || strcmp (result, "+1.750000e+000 33") == 0);
2006 ASSERT (retval == strlen (result));
2013 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2014 ASSERT (result != NULL);
2015 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2016 || strcmp (result, " 1.750000e+000 33") == 0);
2017 ASSERT (retval == strlen (result));
2024 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2025 ASSERT (result != NULL);
2026 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2027 || strcmp (result, "1.750000e+000 33") == 0);
2028 ASSERT (retval == strlen (result));
2035 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2036 ASSERT (result != NULL);
2037 ASSERT (strcmp (result, "2.e+00 33") == 0
2038 || strcmp (result, "2.e+000 33") == 0);
2039 ASSERT (retval == strlen (result));
2046 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2047 ASSERT (result != NULL);
2048 ASSERT (strcmp (result, "1.e+01 33") == 0
2049 || strcmp (result, "1.e+001 33") == 0);
2050 ASSERT (retval == strlen (result));
2054 { /* FLAG_ZERO with finite number. */
2057 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2058 ASSERT (result != NULL);
2059 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2060 || strcmp (result, "001.234000e+003 33") == 0);
2061 ASSERT (retval == strlen (result));
2065 { /* FLAG_ZERO with infinite number. */
2068 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2069 ASSERT (result != NULL);
2070 ASSERT (strcmp (result, " -inf 33") == 0
2071 || strcmp (result, " -infinity 33") == 0);
2072 ASSERT (retval == strlen (result));
2076 { /* FLAG_ZERO with NaN. */
2079 my_asprintf (&result, "%050e %d", NaNd (), 33, 44, 55);
2080 ASSERT (result != NULL);
2081 ASSERT (strlen (result) == 50 + 3
2082 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2083 && strcmp (result + strlen (result) - 3, " 33") == 0);
2084 ASSERT (retval == strlen (result));
2091 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2092 ASSERT (result != NULL);
2093 ASSERT (strcmp (result, "1e+03 33") == 0
2094 || strcmp (result, "1e+003 33") == 0);
2095 ASSERT (retval == strlen (result));
2099 { /* A positive number. */
2102 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2103 ASSERT (result != NULL);
2104 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
2105 ASSERT (retval == strlen (result));
2109 { /* A larger positive number. */
2112 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2113 ASSERT (result != NULL);
2114 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
2115 ASSERT (retval == strlen (result));
2119 { /* Small and large positive numbers. */
2120 static struct { long double value; const char *string; } data[] =
2122 { 1.234321234321234e-37L, "1.234321e-37" },
2123 { 1.234321234321234e-36L, "1.234321e-36" },
2124 { 1.234321234321234e-35L, "1.234321e-35" },
2125 { 1.234321234321234e-34L, "1.234321e-34" },
2126 { 1.234321234321234e-33L, "1.234321e-33" },
2127 { 1.234321234321234e-32L, "1.234321e-32" },
2128 { 1.234321234321234e-31L, "1.234321e-31" },
2129 { 1.234321234321234e-30L, "1.234321e-30" },
2130 { 1.234321234321234e-29L, "1.234321e-29" },
2131 { 1.234321234321234e-28L, "1.234321e-28" },
2132 { 1.234321234321234e-27L, "1.234321e-27" },
2133 { 1.234321234321234e-26L, "1.234321e-26" },
2134 { 1.234321234321234e-25L, "1.234321e-25" },
2135 { 1.234321234321234e-24L, "1.234321e-24" },
2136 { 1.234321234321234e-23L, "1.234321e-23" },
2137 { 1.234321234321234e-22L, "1.234321e-22" },
2138 { 1.234321234321234e-21L, "1.234321e-21" },
2139 { 1.234321234321234e-20L, "1.234321e-20" },
2140 { 1.234321234321234e-19L, "1.234321e-19" },
2141 { 1.234321234321234e-18L, "1.234321e-18" },
2142 { 1.234321234321234e-17L, "1.234321e-17" },
2143 { 1.234321234321234e-16L, "1.234321e-16" },
2144 { 1.234321234321234e-15L, "1.234321e-15" },
2145 { 1.234321234321234e-14L, "1.234321e-14" },
2146 { 1.234321234321234e-13L, "1.234321e-13" },
2147 { 1.234321234321234e-12L, "1.234321e-12" },
2148 { 1.234321234321234e-11L, "1.234321e-11" },
2149 { 1.234321234321234e-10L, "1.234321e-10" },
2150 { 1.234321234321234e-9L, "1.234321e-09" },
2151 { 1.234321234321234e-8L, "1.234321e-08" },
2152 { 1.234321234321234e-7L, "1.234321e-07" },
2153 { 1.234321234321234e-6L, "1.234321e-06" },
2154 { 1.234321234321234e-5L, "1.234321e-05" },
2155 { 1.234321234321234e-4L, "1.234321e-04" },
2156 { 1.234321234321234e-3L, "1.234321e-03" },
2157 { 1.234321234321234e-2L, "1.234321e-02" },
2158 { 1.234321234321234e-1L, "1.234321e-01" },
2159 { 1.234321234321234L, "1.234321e+00" },
2160 { 1.234321234321234e1L, "1.234321e+01" },
2161 { 1.234321234321234e2L, "1.234321e+02" },
2162 { 1.234321234321234e3L, "1.234321e+03" },
2163 { 1.234321234321234e4L, "1.234321e+04" },
2164 { 1.234321234321234e5L, "1.234321e+05" },
2165 { 1.234321234321234e6L, "1.234321e+06" },
2166 { 1.234321234321234e7L, "1.234321e+07" },
2167 { 1.234321234321234e8L, "1.234321e+08" },
2168 { 1.234321234321234e9L, "1.234321e+09" },
2169 { 1.234321234321234e10L, "1.234321e+10" },
2170 { 1.234321234321234e11L, "1.234321e+11" },
2171 { 1.234321234321234e12L, "1.234321e+12" },
2172 { 1.234321234321234e13L, "1.234321e+13" },
2173 { 1.234321234321234e14L, "1.234321e+14" },
2174 { 1.234321234321234e15L, "1.234321e+15" },
2175 { 1.234321234321234e16L, "1.234321e+16" },
2176 { 1.234321234321234e17L, "1.234321e+17" },
2177 { 1.234321234321234e18L, "1.234321e+18" },
2178 { 1.234321234321234e19L, "1.234321e+19" },
2179 { 1.234321234321234e20L, "1.234321e+20" },
2180 { 1.234321234321234e21L, "1.234321e+21" },
2181 { 1.234321234321234e22L, "1.234321e+22" },
2182 { 1.234321234321234e23L, "1.234321e+23" },
2183 { 1.234321234321234e24L, "1.234321e+24" },
2184 { 1.234321234321234e25L, "1.234321e+25" },
2185 { 1.234321234321234e26L, "1.234321e+26" },
2186 { 1.234321234321234e27L, "1.234321e+27" },
2187 { 1.234321234321234e28L, "1.234321e+28" },
2188 { 1.234321234321234e29L, "1.234321e+29" },
2189 { 1.234321234321234e30L, "1.234321e+30" },
2190 { 1.234321234321234e31L, "1.234321e+31" },
2191 { 1.234321234321234e32L, "1.234321e+32" },
2192 { 1.234321234321234e33L, "1.234321e+33" },
2193 { 1.234321234321234e34L, "1.234321e+34" },
2194 { 1.234321234321234e35L, "1.234321e+35" },
2195 { 1.234321234321234e36L, "1.234321e+36" }
2198 for (k = 0; k < SIZEOF (data); k++)
2202 my_asprintf (&result, "%Le", data[k].value);
2203 ASSERT (result != NULL);
2204 ASSERT (strcmp (result, data[k].string) == 0);
2205 ASSERT (retval == strlen (result));
2210 { /* A negative number. */
2213 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2214 ASSERT (result != NULL);
2215 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
2216 ASSERT (retval == strlen (result));
2220 { /* Positive zero. */
2223 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2224 ASSERT (result != NULL);
2225 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
2226 ASSERT (retval == strlen (result));
2230 { /* Negative zero. */
2233 my_asprintf (&result, "%Le %d", -0.0L, 33, 44, 55);
2234 ASSERT (result != NULL);
2235 if (have_minus_zero ())
2236 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
2237 ASSERT (retval == strlen (result));
2241 { /* Positive infinity. */
2244 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2245 ASSERT (result != NULL);
2246 ASSERT (strcmp (result, "inf 33") == 0
2247 || strcmp (result, "infinity 33") == 0);
2248 ASSERT (retval == strlen (result));
2252 { /* Negative infinity. */
2255 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2256 ASSERT (result != NULL);
2257 ASSERT (strcmp (result, "-inf 33") == 0
2258 || strcmp (result, "-infinity 33") == 0);
2259 ASSERT (retval == strlen (result));
2266 my_asprintf (&result, "%Le %d", NaNl (), 33, 44, 55);
2267 ASSERT (result != NULL);
2268 ASSERT (strlen (result) >= 3 + 3
2269 && strisnan (result, 0, strlen (result) - 3, 0)
2270 && strcmp (result + strlen (result) - 3, " 33") == 0);
2271 ASSERT (retval == strlen (result));
2274 #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_))
2276 static union { unsigned int word[4]; long double value; } x =
2277 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2280 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2281 ASSERT (result != NULL);
2282 ASSERT (strlen (result) >= 3 + 3
2283 && strisnan (result, 0, strlen (result) - 3, 0)
2284 && strcmp (result + strlen (result) - 3, " 33") == 0);
2285 ASSERT (retval == strlen (result));
2289 /* Signalling NaN. */
2290 static union { unsigned int word[4]; long double value; } x =
2291 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2294 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2295 ASSERT (result != NULL);
2296 ASSERT (strlen (result) >= 3 + 3
2297 && strisnan (result, 0, strlen (result) - 3, 0)
2298 && strcmp (result + strlen (result) - 3, " 33") == 0);
2299 ASSERT (retval == strlen (result));
2302 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2303 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2304 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2305 Application Architecture.
2306 Table 5-2 "Floating-Point Register Encodings"
2307 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2310 static union { unsigned int word[4]; long double value; } x =
2311 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2314 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2315 ASSERT (result != NULL);
2316 ASSERT (strlen (result) >= 3 + 3
2317 && strisnan (result, 0, strlen (result) - 3, 0)
2318 && strcmp (result + strlen (result) - 3, " 33") == 0);
2319 ASSERT (retval == strlen (result));
2322 { /* Pseudo-Infinity. */
2323 static union { unsigned int word[4]; long double value; } x =
2324 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2327 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2328 ASSERT (result != NULL);
2329 ASSERT (strlen (result) >= 3 + 3
2330 && strisnan (result, 0, strlen (result) - 3, 0)
2331 && strcmp (result + strlen (result) - 3, " 33") == 0);
2332 ASSERT (retval == strlen (result));
2335 { /* Pseudo-Zero. */
2336 static union { unsigned int word[4]; long double value; } x =
2337 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2340 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2341 ASSERT (result != NULL);
2342 ASSERT (strlen (result) >= 3 + 3
2343 && strisnan (result, 0, strlen (result) - 3, 0)
2344 && strcmp (result + strlen (result) - 3, " 33") == 0);
2345 ASSERT (retval == strlen (result));
2348 { /* Unnormalized number. */
2349 static union { unsigned int word[4]; long double value; } x =
2350 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2353 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2354 ASSERT (result != NULL);
2355 ASSERT (strlen (result) >= 3 + 3
2356 && strisnan (result, 0, strlen (result) - 3, 0)
2357 && strcmp (result + strlen (result) - 3, " 33") == 0);
2358 ASSERT (retval == strlen (result));
2361 { /* Pseudo-Denormal. */
2362 static union { unsigned int word[4]; long double value; } x =
2363 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2366 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2367 ASSERT (result != NULL);
2368 ASSERT (strlen (result) >= 3 + 3
2369 && strisnan (result, 0, strlen (result) - 3, 0)
2370 && strcmp (result + strlen (result) - 3, " 33") == 0);
2371 ASSERT (retval == strlen (result));
2379 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2380 ASSERT (result != NULL);
2381 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2382 ASSERT (retval == strlen (result));
2389 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2390 ASSERT (result != NULL);
2391 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2392 ASSERT (retval == strlen (result));
2396 { /* FLAG_SHOWSIGN. */
2399 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2400 ASSERT (result != NULL);
2401 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2402 ASSERT (retval == strlen (result));
2409 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2410 ASSERT (result != NULL);
2411 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2412 ASSERT (retval == strlen (result));
2419 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2420 ASSERT (result != NULL);
2421 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2422 ASSERT (retval == strlen (result));
2429 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2430 ASSERT (result != NULL);
2431 ASSERT (strcmp (result, "2.e+00 33") == 0);
2432 ASSERT (retval == strlen (result));
2439 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2440 ASSERT (result != NULL);
2441 ASSERT (strcmp (result, "1.e+01 33") == 0);
2442 ASSERT (retval == strlen (result));
2446 { /* FLAG_ZERO with finite number. */
2449 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2450 ASSERT (result != NULL);
2451 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2452 ASSERT (retval == strlen (result));
2456 { /* FLAG_ZERO with infinite number. */
2459 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2460 ASSERT (result != NULL);
2461 ASSERT (strcmp (result, " -inf 33") == 0
2462 || strcmp (result, " -infinity 33") == 0);
2463 ASSERT (retval == strlen (result));
2467 { /* FLAG_ZERO with NaN. */
2470 my_asprintf (&result, "%050Le %d", NaNl (), 33, 44, 55);
2471 ASSERT (result != NULL);
2472 ASSERT (strlen (result) == 50 + 3
2473 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2474 && strcmp (result + strlen (result) - 3, " 33") == 0);
2475 ASSERT (retval == strlen (result));
2482 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2483 ASSERT (result != NULL);
2484 ASSERT (strcmp (result, "1e+03 33") == 0);
2485 ASSERT (retval == strlen (result));
2489 /* Test the support of the %g format directive. */
2491 { /* A positive number. */
2494 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2495 ASSERT (result != NULL);
2496 ASSERT (strcmp (result, "12.75 33") == 0);
2497 ASSERT (retval == strlen (result));
2501 { /* A larger positive number. */
2504 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2505 ASSERT (result != NULL);
2506 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2507 || strcmp (result, "1.23457e+006 33") == 0);
2508 ASSERT (retval == strlen (result));
2512 { /* Small and large positive numbers. */
2513 static struct { double value; const char *string; } data[] =
2515 { 1.234321234321234e-37, "1.23432e-37" },
2516 { 1.234321234321234e-36, "1.23432e-36" },
2517 { 1.234321234321234e-35, "1.23432e-35" },
2518 { 1.234321234321234e-34, "1.23432e-34" },
2519 { 1.234321234321234e-33, "1.23432e-33" },
2520 { 1.234321234321234e-32, "1.23432e-32" },
2521 { 1.234321234321234e-31, "1.23432e-31" },
2522 { 1.234321234321234e-30, "1.23432e-30" },
2523 { 1.234321234321234e-29, "1.23432e-29" },
2524 { 1.234321234321234e-28, "1.23432e-28" },
2525 { 1.234321234321234e-27, "1.23432e-27" },
2526 { 1.234321234321234e-26, "1.23432e-26" },
2527 { 1.234321234321234e-25, "1.23432e-25" },
2528 { 1.234321234321234e-24, "1.23432e-24" },
2529 { 1.234321234321234e-23, "1.23432e-23" },
2530 { 1.234321234321234e-22, "1.23432e-22" },
2531 { 1.234321234321234e-21, "1.23432e-21" },
2532 { 1.234321234321234e-20, "1.23432e-20" },
2533 { 1.234321234321234e-19, "1.23432e-19" },
2534 { 1.234321234321234e-18, "1.23432e-18" },
2535 { 1.234321234321234e-17, "1.23432e-17" },
2536 { 1.234321234321234e-16, "1.23432e-16" },
2537 { 1.234321234321234e-15, "1.23432e-15" },
2538 { 1.234321234321234e-14, "1.23432e-14" },
2539 { 1.234321234321234e-13, "1.23432e-13" },
2540 { 1.234321234321234e-12, "1.23432e-12" },
2541 { 1.234321234321234e-11, "1.23432e-11" },
2542 { 1.234321234321234e-10, "1.23432e-10" },
2543 { 1.234321234321234e-9, "1.23432e-09" },
2544 { 1.234321234321234e-8, "1.23432e-08" },
2545 { 1.234321234321234e-7, "1.23432e-07" },
2546 { 1.234321234321234e-6, "1.23432e-06" },
2547 { 1.234321234321234e-5, "1.23432e-05" },
2548 { 1.234321234321234e-4, "0.000123432" },
2549 { 1.234321234321234e-3, "0.00123432" },
2550 { 1.234321234321234e-2, "0.0123432" },
2551 { 1.234321234321234e-1, "0.123432" },
2552 { 1.234321234321234, "1.23432" },
2553 { 1.234321234321234e1, "12.3432" },
2554 { 1.234321234321234e2, "123.432" },
2555 { 1.234321234321234e3, "1234.32" },
2556 { 1.234321234321234e4, "12343.2" },
2557 { 1.234321234321234e5, "123432" },
2558 { 1.234321234321234e6, "1.23432e+06" },
2559 { 1.234321234321234e7, "1.23432e+07" },
2560 { 1.234321234321234e8, "1.23432e+08" },
2561 { 1.234321234321234e9, "1.23432e+09" },
2562 { 1.234321234321234e10, "1.23432e+10" },
2563 { 1.234321234321234e11, "1.23432e+11" },
2564 { 1.234321234321234e12, "1.23432e+12" },
2565 { 1.234321234321234e13, "1.23432e+13" },
2566 { 1.234321234321234e14, "1.23432e+14" },
2567 { 1.234321234321234e15, "1.23432e+15" },
2568 { 1.234321234321234e16, "1.23432e+16" },
2569 { 1.234321234321234e17, "1.23432e+17" },
2570 { 1.234321234321234e18, "1.23432e+18" },
2571 { 1.234321234321234e19, "1.23432e+19" },
2572 { 1.234321234321234e20, "1.23432e+20" },
2573 { 1.234321234321234e21, "1.23432e+21" },
2574 { 1.234321234321234e22, "1.23432e+22" },
2575 { 1.234321234321234e23, "1.23432e+23" },
2576 { 1.234321234321234e24, "1.23432e+24" },
2577 { 1.234321234321234e25, "1.23432e+25" },
2578 { 1.234321234321234e26, "1.23432e+26" },
2579 { 1.234321234321234e27, "1.23432e+27" },
2580 { 1.234321234321234e28, "1.23432e+28" },
2581 { 1.234321234321234e29, "1.23432e+29" },
2582 { 1.234321234321234e30, "1.23432e+30" },
2583 { 1.234321234321234e31, "1.23432e+31" },
2584 { 1.234321234321234e32, "1.23432e+32" },
2585 { 1.234321234321234e33, "1.23432e+33" },
2586 { 1.234321234321234e34, "1.23432e+34" },
2587 { 1.234321234321234e35, "1.23432e+35" },
2588 { 1.234321234321234e36, "1.23432e+36" }
2591 for (k = 0; k < SIZEOF (data); k++)
2595 my_asprintf (&result, "%g", data[k].value);
2596 const char *expected = data[k].string;
2597 ASSERT (result != NULL);
2598 ASSERT (strcmp (result, expected) == 0
2599 /* Some implementations produce exponents with 3 digits. */
2600 || (expected[strlen (expected) - 4] == 'e'
2601 && strlen (result) == strlen (expected) + 1
2602 && memcmp (result, expected, strlen (expected) - 2) == 0
2603 && result[strlen (expected) - 2] == '0'
2604 && strcmp (result + strlen (expected) - 1,
2605 expected + strlen (expected) - 2)
2607 ASSERT (retval == strlen (result));
2612 { /* A negative number. */
2615 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2616 ASSERT (result != NULL);
2617 ASSERT (strcmp (result, "-0.03125 33") == 0);
2618 ASSERT (retval == strlen (result));
2622 { /* Positive zero. */
2625 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2626 ASSERT (result != NULL);
2627 ASSERT (strcmp (result, "0 33") == 0);
2628 ASSERT (retval == strlen (result));
2632 { /* Negative zero. */
2635 my_asprintf (&result, "%g %d", -0.0, 33, 44, 55);
2636 ASSERT (result != NULL);
2637 if (have_minus_zero ())
2638 ASSERT (strcmp (result, "-0 33") == 0);
2639 ASSERT (retval == strlen (result));
2643 { /* Positive infinity. */
2646 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2647 ASSERT (result != NULL);
2648 ASSERT (strcmp (result, "inf 33") == 0
2649 || strcmp (result, "infinity 33") == 0);
2650 ASSERT (retval == strlen (result));
2654 { /* Negative infinity. */
2657 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2658 ASSERT (result != NULL);
2659 ASSERT (strcmp (result, "-inf 33") == 0
2660 || strcmp (result, "-infinity 33") == 0);
2661 ASSERT (retval == strlen (result));
2668 my_asprintf (&result, "%g %d", NaNd (), 33, 44, 55);
2669 ASSERT (result != NULL);
2670 ASSERT (strlen (result) >= 3 + 3
2671 && strisnan (result, 0, strlen (result) - 3, 0)
2672 && strcmp (result + strlen (result) - 3, " 33") == 0);
2673 ASSERT (retval == strlen (result));
2680 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2681 ASSERT (result != NULL);
2682 ASSERT (strcmp (result, " 1.75 33") == 0);
2683 ASSERT (retval == strlen (result));
2690 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2691 ASSERT (result != NULL);
2692 ASSERT (strcmp (result, "1.75 33") == 0);
2693 ASSERT (retval == strlen (result));
2697 { /* FLAG_SHOWSIGN. */
2700 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2701 ASSERT (result != NULL);
2702 ASSERT (strcmp (result, "+1.75 33") == 0);
2703 ASSERT (retval == strlen (result));
2710 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2711 ASSERT (result != NULL);
2712 ASSERT (strcmp (result, " 1.75 33") == 0);
2713 ASSERT (retval == strlen (result));
2720 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2721 ASSERT (result != NULL);
2722 ASSERT (strcmp (result, "1.75000 33") == 0);
2723 ASSERT (retval == strlen (result));
2730 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2731 ASSERT (result != NULL);
2732 ASSERT (strcmp (result, "2. 33") == 0);
2733 ASSERT (retval == strlen (result));
2740 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2741 ASSERT (result != NULL);
2742 ASSERT (strcmp (result, "1.e+01 33") == 0
2743 || strcmp (result, "1.e+001 33") == 0);
2744 ASSERT (retval == strlen (result));
2748 { /* FLAG_ZERO with finite number. */
2751 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2752 ASSERT (result != NULL);
2753 ASSERT (strcmp (result, "0000001234 33") == 0);
2754 ASSERT (retval == strlen (result));
2758 { /* FLAG_ZERO with infinite number. */
2761 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2762 ASSERT (result != NULL);
2763 ASSERT (strcmp (result, " -inf 33") == 0
2764 || strcmp (result, " -infinity 33") == 0);
2765 ASSERT (retval == strlen (result));
2769 { /* FLAG_ZERO with NaN. */
2772 my_asprintf (&result, "%050g %d", NaNd (), 33, 44, 55);
2773 ASSERT (result != NULL);
2774 ASSERT (strlen (result) == 50 + 3
2775 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2776 && strcmp (result + strlen (result) - 3, " 33") == 0);
2777 ASSERT (retval == strlen (result));
2784 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2785 ASSERT (result != NULL);
2786 ASSERT (strcmp (result, "1e+03 33") == 0
2787 || strcmp (result, "1e+003 33") == 0);
2788 ASSERT (retval == strlen (result));
2792 { /* A positive number. */
2795 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2796 ASSERT (result != NULL);
2797 ASSERT (strcmp (result, "12.75 33") == 0);
2798 ASSERT (retval == strlen (result));
2802 { /* A larger positive number. */
2805 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2806 ASSERT (result != NULL);
2807 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2808 ASSERT (retval == strlen (result));
2812 { /* Small and large positive numbers. */
2813 static struct { long double value; const char *string; } data[] =
2815 { 1.234321234321234e-37L, "1.23432e-37" },
2816 { 1.234321234321234e-36L, "1.23432e-36" },
2817 { 1.234321234321234e-35L, "1.23432e-35" },
2818 { 1.234321234321234e-34L, "1.23432e-34" },
2819 { 1.234321234321234e-33L, "1.23432e-33" },
2820 { 1.234321234321234e-32L, "1.23432e-32" },
2821 { 1.234321234321234e-31L, "1.23432e-31" },
2822 { 1.234321234321234e-30L, "1.23432e-30" },
2823 { 1.234321234321234e-29L, "1.23432e-29" },
2824 { 1.234321234321234e-28L, "1.23432e-28" },
2825 { 1.234321234321234e-27L, "1.23432e-27" },
2826 { 1.234321234321234e-26L, "1.23432e-26" },
2827 { 1.234321234321234e-25L, "1.23432e-25" },
2828 { 1.234321234321234e-24L, "1.23432e-24" },
2829 { 1.234321234321234e-23L, "1.23432e-23" },
2830 { 1.234321234321234e-22L, "1.23432e-22" },
2831 { 1.234321234321234e-21L, "1.23432e-21" },
2832 { 1.234321234321234e-20L, "1.23432e-20" },
2833 { 1.234321234321234e-19L, "1.23432e-19" },
2834 { 1.234321234321234e-18L, "1.23432e-18" },
2835 { 1.234321234321234e-17L, "1.23432e-17" },
2836 { 1.234321234321234e-16L, "1.23432e-16" },
2837 { 1.234321234321234e-15L, "1.23432e-15" },
2838 { 1.234321234321234e-14L, "1.23432e-14" },
2839 { 1.234321234321234e-13L, "1.23432e-13" },
2840 { 1.234321234321234e-12L, "1.23432e-12" },
2841 { 1.234321234321234e-11L, "1.23432e-11" },
2842 { 1.234321234321234e-10L, "1.23432e-10" },
2843 { 1.234321234321234e-9L, "1.23432e-09" },
2844 { 1.234321234321234e-8L, "1.23432e-08" },
2845 { 1.234321234321234e-7L, "1.23432e-07" },
2846 { 1.234321234321234e-6L, "1.23432e-06" },
2847 { 1.234321234321234e-5L, "1.23432e-05" },
2848 { 1.234321234321234e-4L, "0.000123432" },
2849 { 1.234321234321234e-3L, "0.00123432" },
2850 { 1.234321234321234e-2L, "0.0123432" },
2851 { 1.234321234321234e-1L, "0.123432" },
2852 { 1.234321234321234L, "1.23432" },
2853 { 1.234321234321234e1L, "12.3432" },
2854 { 1.234321234321234e2L, "123.432" },
2855 { 1.234321234321234e3L, "1234.32" },
2856 { 1.234321234321234e4L, "12343.2" },
2857 { 1.234321234321234e5L, "123432" },
2858 { 1.234321234321234e6L, "1.23432e+06" },
2859 { 1.234321234321234e7L, "1.23432e+07" },
2860 { 1.234321234321234e8L, "1.23432e+08" },
2861 { 1.234321234321234e9L, "1.23432e+09" },
2862 { 1.234321234321234e10L, "1.23432e+10" },
2863 { 1.234321234321234e11L, "1.23432e+11" },
2864 { 1.234321234321234e12L, "1.23432e+12" },
2865 { 1.234321234321234e13L, "1.23432e+13" },
2866 { 1.234321234321234e14L, "1.23432e+14" },
2867 { 1.234321234321234e15L, "1.23432e+15" },
2868 { 1.234321234321234e16L, "1.23432e+16" },
2869 { 1.234321234321234e17L, "1.23432e+17" },
2870 { 1.234321234321234e18L, "1.23432e+18" },
2871 { 1.234321234321234e19L, "1.23432e+19" },
2872 { 1.234321234321234e20L, "1.23432e+20" },
2873 { 1.234321234321234e21L, "1.23432e+21" },
2874 { 1.234321234321234e22L, "1.23432e+22" },
2875 { 1.234321234321234e23L, "1.23432e+23" },
2876 { 1.234321234321234e24L, "1.23432e+24" },
2877 { 1.234321234321234e25L, "1.23432e+25" },
2878 { 1.234321234321234e26L, "1.23432e+26" },
2879 { 1.234321234321234e27L, "1.23432e+27" },
2880 { 1.234321234321234e28L, "1.23432e+28" },
2881 { 1.234321234321234e29L, "1.23432e+29" },
2882 { 1.234321234321234e30L, "1.23432e+30" },
2883 { 1.234321234321234e31L, "1.23432e+31" },
2884 { 1.234321234321234e32L, "1.23432e+32" },
2885 { 1.234321234321234e33L, "1.23432e+33" },
2886 { 1.234321234321234e34L, "1.23432e+34" },
2887 { 1.234321234321234e35L, "1.23432e+35" },
2888 { 1.234321234321234e36L, "1.23432e+36" }
2891 for (k = 0; k < SIZEOF (data); k++)
2895 my_asprintf (&result, "%Lg", data[k].value);
2896 ASSERT (result != NULL);
2897 ASSERT (strcmp (result, data[k].string) == 0);
2898 ASSERT (retval == strlen (result));
2903 { /* A negative number. */
2906 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
2907 ASSERT (result != NULL);
2908 ASSERT (strcmp (result, "-0.03125 33") == 0);
2909 ASSERT (retval == strlen (result));
2913 { /* Positive zero. */
2916 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
2917 ASSERT (result != NULL);
2918 ASSERT (strcmp (result, "0 33") == 0);
2919 ASSERT (retval == strlen (result));
2923 { /* Negative zero. */
2926 my_asprintf (&result, "%Lg %d", -0.0L, 33, 44, 55);
2927 ASSERT (result != NULL);
2928 if (have_minus_zero ())
2929 ASSERT (strcmp (result, "-0 33") == 0);
2930 ASSERT (retval == strlen (result));
2934 { /* Positive infinity. */
2937 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2938 ASSERT (result != NULL);
2939 ASSERT (strcmp (result, "inf 33") == 0
2940 || strcmp (result, "infinity 33") == 0);
2941 ASSERT (retval == strlen (result));
2945 { /* Negative infinity. */
2948 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2949 ASSERT (result != NULL);
2950 ASSERT (strcmp (result, "-inf 33") == 0
2951 || strcmp (result, "-infinity 33") == 0);
2952 ASSERT (retval == strlen (result));
2959 my_asprintf (&result, "%Lg %d", NaNl (), 33, 44, 55);
2960 ASSERT (result != NULL);
2961 ASSERT (strlen (result) >= 3 + 3
2962 && strisnan (result, 0, strlen (result) - 3, 0)
2963 && strcmp (result + strlen (result) - 3, " 33") == 0);
2964 ASSERT (retval == strlen (result));
2967 #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_))
2969 static union { unsigned int word[4]; long double value; } x =
2970 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2973 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2974 ASSERT (result != NULL);
2975 ASSERT (strlen (result) >= 3 + 3
2976 && strisnan (result, 0, strlen (result) - 3, 0)
2977 && strcmp (result + strlen (result) - 3, " 33") == 0);
2978 ASSERT (retval == strlen (result));
2982 /* Signalling NaN. */
2983 static union { unsigned int word[4]; long double value; } x =
2984 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2987 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2988 ASSERT (result != NULL);
2989 ASSERT (strlen (result) >= 3 + 3
2990 && strisnan (result, 0, strlen (result) - 3, 0)
2991 && strcmp (result + strlen (result) - 3, " 33") == 0);
2992 ASSERT (retval == strlen (result));
2995 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2996 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2997 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2998 Application Architecture.
2999 Table 5-2 "Floating-Point Register Encodings"
3000 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3003 static union { unsigned int word[4]; long double value; } x =
3004 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3007 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3008 ASSERT (result != NULL);
3009 ASSERT (strlen (result) >= 3 + 3
3010 && strisnan (result, 0, strlen (result) - 3, 0)
3011 && strcmp (result + strlen (result) - 3, " 33") == 0);
3012 ASSERT (retval == strlen (result));
3015 { /* Pseudo-Infinity. */
3016 static union { unsigned int word[4]; long double value; } x =
3017 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3020 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3021 ASSERT (result != NULL);
3022 ASSERT (strlen (result) >= 3 + 3
3023 && strisnan (result, 0, strlen (result) - 3, 0)
3024 && strcmp (result + strlen (result) - 3, " 33") == 0);
3025 ASSERT (retval == strlen (result));
3028 { /* Pseudo-Zero. */
3029 static union { unsigned int word[4]; long double value; } x =
3030 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3033 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3034 ASSERT (result != NULL);
3035 ASSERT (strlen (result) >= 3 + 3
3036 && strisnan (result, 0, strlen (result) - 3, 0)
3037 && strcmp (result + strlen (result) - 3, " 33") == 0);
3038 ASSERT (retval == strlen (result));
3041 { /* Unnormalized number. */
3042 static union { unsigned int word[4]; long double value; } x =
3043 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3046 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3047 ASSERT (result != NULL);
3048 ASSERT (strlen (result) >= 3 + 3
3049 && strisnan (result, 0, strlen (result) - 3, 0)
3050 && strcmp (result + strlen (result) - 3, " 33") == 0);
3051 ASSERT (retval == strlen (result));
3054 { /* Pseudo-Denormal. */
3055 static union { unsigned int word[4]; long double value; } x =
3056 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3059 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3060 ASSERT (result != NULL);
3061 ASSERT (strlen (result) >= 3 + 3
3062 && strisnan (result, 0, strlen (result) - 3, 0)
3063 && strcmp (result + strlen (result) - 3, " 33") == 0);
3064 ASSERT (retval == strlen (result));
3072 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3073 ASSERT (result != NULL);
3074 ASSERT (strcmp (result, " 1.75 33") == 0);
3075 ASSERT (retval == strlen (result));
3082 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3083 ASSERT (result != NULL);
3084 ASSERT (strcmp (result, "1.75 33") == 0);
3085 ASSERT (retval == strlen (result));
3089 { /* FLAG_SHOWSIGN. */
3092 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3093 ASSERT (result != NULL);
3094 ASSERT (strcmp (result, "+1.75 33") == 0);
3095 ASSERT (retval == strlen (result));
3102 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3103 ASSERT (result != NULL);
3104 ASSERT (strcmp (result, " 1.75 33") == 0);
3105 ASSERT (retval == strlen (result));
3112 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3113 ASSERT (result != NULL);
3114 ASSERT (strcmp (result, "1.75000 33") == 0);
3115 ASSERT (retval == strlen (result));
3122 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3123 ASSERT (result != NULL);
3124 ASSERT (strcmp (result, "2. 33") == 0);
3125 ASSERT (retval == strlen (result));
3132 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3133 ASSERT (result != NULL);
3134 ASSERT (strcmp (result, "1.e+01 33") == 0);
3135 ASSERT (retval == strlen (result));
3139 { /* FLAG_ZERO with finite number. */
3142 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3143 ASSERT (result != NULL);
3144 ASSERT (strcmp (result, "0000001234 33") == 0);
3145 ASSERT (retval == strlen (result));
3149 { /* FLAG_ZERO with infinite number. */
3152 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3153 ASSERT (result != NULL);
3154 ASSERT (strcmp (result, " -inf 33") == 0
3155 || strcmp (result, " -infinity 33") == 0);
3156 ASSERT (retval == strlen (result));
3160 { /* FLAG_ZERO with NaN. */
3163 my_asprintf (&result, "%050Lg %d", NaNl (), 33, 44, 55);
3164 ASSERT (result != NULL);
3165 ASSERT (strlen (result) == 50 + 3
3166 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3167 && strcmp (result + strlen (result) - 3, " 33") == 0);
3168 ASSERT (retval == strlen (result));
3175 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3176 ASSERT (result != NULL);
3177 ASSERT (strcmp (result, "1e+03 33") == 0);
3178 ASSERT (retval == strlen (result));
3182 /* Test the support of the %n format directive. */
3188 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3189 ASSERT (result != NULL);
3190 ASSERT (strcmp (result, "123 ") == 0);
3191 ASSERT (retval == strlen (result));
3192 ASSERT (count == 4);
3196 /* Test the support of the POSIX/XSI format strings with positions. */
3201 my_asprintf (&result, "%2$d %1$d", 33, 55);
3202 ASSERT (result != NULL);
3203 ASSERT (strcmp (result, "55 33") == 0);
3204 ASSERT (retval == strlen (result));
3208 /* Test the support of the grouping flag. */
3213 my_asprintf (&result, "%'d %d", 1234567, 99);
3214 ASSERT (result != NULL);
3215 ASSERT (result[strlen (result) - 1] == '9');
3216 ASSERT (retval == strlen (result));
3220 /* Test the support of the left-adjust flag. */
3225 my_asprintf (&result, "a%*sc", -3, "b");
3226 ASSERT (result != NULL);
3227 ASSERT (strcmp (result, "ab c") == 0);
3228 ASSERT (retval == strlen (result));
3235 my_asprintf (&result, "a%-*sc", 3, "b");
3236 ASSERT (result != NULL);
3237 ASSERT (strcmp (result, "ab c") == 0);
3238 ASSERT (retval == strlen (result));
3245 my_asprintf (&result, "a%-*sc", -3, "b");
3246 ASSERT (result != NULL);
3247 ASSERT (strcmp (result, "ab c") == 0);
3248 ASSERT (retval == strlen (result));
3252 /* Test the support of large precision. */
3257 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3259 ASSERT (result != NULL);
3260 for (i = 0; i < 4000 - 7; i++)
3261 ASSERT (result[i] == '0');
3262 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3263 ASSERT (retval == strlen (result));
3270 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3272 ASSERT (result != NULL);
3273 ASSERT (result[0] == '-');
3274 for (i = 0; i < 4000 - 7; i++)
3275 ASSERT (result[1 + i] == '0');
3276 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3277 ASSERT (retval == strlen (result));
3284 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3286 ASSERT (result != NULL);
3287 for (i = 0; i < 4000 - 7; i++)
3288 ASSERT (result[i] == '0');
3289 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3290 ASSERT (retval == strlen (result));
3297 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3299 ASSERT (result != NULL);
3300 for (i = 0; i < 4000 - 7; i++)
3301 ASSERT (result[i] == '0');
3302 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3303 ASSERT (retval == strlen (result));
3310 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3312 ASSERT (result != NULL);
3313 for (i = 0; i < 4000 - 6; i++)
3314 ASSERT (result[i] == '0');
3315 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3316 ASSERT (retval == strlen (result));
3323 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3325 ASSERT (result != NULL);
3326 ASSERT (result[0] == '0');
3327 ASSERT (result[1] == 'x');
3328 for (i = 0; i < 4000 - 6; i++)
3329 ASSERT (result[2 + i] == '0');
3330 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3331 ASSERT (retval == strlen (result));
3341 for (i = 0; i < sizeof (input) - 1; i++)
3342 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3344 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3345 ASSERT (result != NULL);
3346 ASSERT (memcmp (result, input, 4000) == 0);
3347 ASSERT (strcmp (result + 4000, " 99") == 0);
3348 ASSERT (retval == strlen (result));
3354 my_asprintf (char **result, const char *format, ...)
3359 va_start (args, format);
3360 ret = vasprintf (result, format, args);
3368 test_function (my_asprintf);
3374 test_function (asprintf);
3378 main (int argc, char *argv[])