1 /* Test of POSIX compatible vasprintf() and asprintf() functions.
2 Copyright (C) 2007 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. */
31 #define SIZEOF(array) (sizeof (array) / sizeof (array[0]))
32 #define ASSERT(expr) \
37 fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
43 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
48 static double zero = 0.0;
52 # define NaN() (0.0 / 0.0)
55 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
59 static double plus_zero = 0.0;
60 static double minus_zero = -0.0;
61 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
64 /* Representation of an 80-bit 'long double' as an initializer for a sequence
65 of 'unsigned int' words. */
66 #ifdef WORDS_BIGENDIAN
67 # define LDBL80_WORDS(exponent,manthi,mantlo) \
68 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
69 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
70 (unsigned int) (mantlo) << 16 \
73 # define LDBL80_WORDS(exponent,manthi,mantlo) \
74 { mantlo, manthi, exponent }
78 strmatch (const char *pattern, const char *string)
80 if (strlen (pattern) != strlen (string))
82 for (; *pattern != '\0'; pattern++, string++)
83 if (*pattern != '*' && *string != *pattern)
88 /* Test whether string[start_index..end_index-1] is a valid textual
89 representation of NaN. */
91 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
93 if (start_index < end_index)
95 if (string[start_index] == '-')
97 if (start_index + 3 <= end_index
98 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
101 if (start_index == end_index
102 || (string[start_index] == '(' && string[end_index - 1] == ')'))
110 test_function (int (*my_asprintf) (char **, const char *, ...))
114 /* Test return value convention. */
116 for (repeat = 0; repeat <= 8; repeat++)
119 int retval = asprintf (&result, "%d", 12345);
120 ASSERT (retval == 5);
121 ASSERT (result != NULL);
122 ASSERT (strcmp (result, "12345") == 0);
126 /* Test support of size specifiers as in C99. */
131 my_asprintf (&result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
132 ASSERT (result != NULL);
133 ASSERT (strcmp (result, "12345671 33") == 0);
134 ASSERT (retval == strlen (result));
141 my_asprintf (&result, "%zu %d", (size_t) 12345672, 33, 44, 55);
142 ASSERT (result != NULL);
143 ASSERT (strcmp (result, "12345672 33") == 0);
144 ASSERT (retval == strlen (result));
151 my_asprintf (&result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
152 ASSERT (result != NULL);
153 ASSERT (strcmp (result, "12345673 33") == 0);
154 ASSERT (retval == strlen (result));
161 my_asprintf (&result, "%Lg %d", (long double) 1.5, 33, 44, 55);
162 ASSERT (result != NULL);
163 ASSERT (strcmp (result, "1.5 33") == 0);
164 ASSERT (retval == strlen (result));
168 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
169 output of floating-point numbers. */
171 { /* A positive number. */
174 my_asprintf (&result, "%a %d", 3.1416015625, 33, 44, 55);
175 ASSERT (result != NULL);
176 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
177 || strcmp (result, "0x3.244p+0 33") == 0
178 || strcmp (result, "0x6.488p-1 33") == 0
179 || strcmp (result, "0xc.91p-2 33") == 0);
180 ASSERT (retval == strlen (result));
184 { /* A negative number. */
187 my_asprintf (&result, "%A %d", -3.1416015625, 33, 44, 55);
188 ASSERT (result != NULL);
189 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
190 || strcmp (result, "-0X3.244P+0 33") == 0
191 || strcmp (result, "-0X6.488P-1 33") == 0
192 || strcmp (result, "-0XC.91P-2 33") == 0);
193 ASSERT (retval == strlen (result));
197 { /* Positive zero. */
200 my_asprintf (&result, "%a %d", 0.0, 33, 44, 55);
201 ASSERT (result != NULL);
202 ASSERT (strcmp (result, "0x0p+0 33") == 0);
203 ASSERT (retval == strlen (result));
207 { /* Negative zero. */
210 my_asprintf (&result, "%a %d", -0.0, 33, 44, 55);
211 ASSERT (result != NULL);
212 if (have_minus_zero ())
213 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
214 ASSERT (retval == strlen (result));
218 { /* Positive 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));
228 { /* Negative infinity. */
231 my_asprintf (&result, "%a %d", -1.0 / 0.0, 33, 44, 55);
232 ASSERT (result != NULL);
233 ASSERT (strcmp (result, "-inf 33") == 0);
234 ASSERT (retval == strlen (result));
241 my_asprintf (&result, "%a %d", NaN (), 33, 44, 55);
242 ASSERT (result != NULL);
243 ASSERT (strlen (result) >= 3 + 3
244 && strisnan (result, 0, strlen (result) - 3, 0)
245 && strcmp (result + strlen (result) - 3, " 33") == 0);
246 ASSERT (retval == strlen (result));
250 { /* Rounding near the decimal point. */
253 my_asprintf (&result, "%.0a %d", 1.5, 33, 44, 55);
254 ASSERT (result != NULL);
255 ASSERT (strcmp (result, "0x2p+0 33") == 0
256 || strcmp (result, "0x3p-1 33") == 0
257 || strcmp (result, "0x6p-2 33") == 0
258 || strcmp (result, "0xcp-3 33") == 0);
259 ASSERT (retval == strlen (result));
263 { /* Rounding with precision 0. */
266 my_asprintf (&result, "%.0a %d", 1.51, 33, 44, 55);
267 ASSERT (result != NULL);
268 ASSERT (strcmp (result, "0x2p+0 33") == 0
269 || strcmp (result, "0x3p-1 33") == 0
270 || strcmp (result, "0x6p-2 33") == 0
271 || strcmp (result, "0xcp-3 33") == 0);
272 ASSERT (retval == strlen (result));
276 { /* Rounding with precision 1. */
279 my_asprintf (&result, "%.1a %d", 1.51, 33, 44, 55);
280 ASSERT (result != NULL);
281 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
282 || strcmp (result, "0x3.0p-1 33") == 0
283 || strcmp (result, "0x6.1p-2 33") == 0
284 || strcmp (result, "0xc.1p-3 33") == 0);
285 ASSERT (retval == strlen (result));
289 { /* Rounding with precision 2. */
292 my_asprintf (&result, "%.2a %d", 1.51, 33, 44, 55);
293 ASSERT (result != NULL);
294 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
295 || strcmp (result, "0x3.05p-1 33") == 0
296 || strcmp (result, "0x6.0ap-2 33") == 0
297 || strcmp (result, "0xc.14p-3 33") == 0);
298 ASSERT (retval == strlen (result));
302 { /* Rounding with precision 3. */
305 my_asprintf (&result, "%.3a %d", 1.51, 33, 44, 55);
306 ASSERT (result != NULL);
307 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
308 || strcmp (result, "0x3.052p-1 33") == 0
309 || strcmp (result, "0x6.0a4p-2 33") == 0
310 || strcmp (result, "0xc.148p-3 33") == 0);
311 ASSERT (retval == strlen (result));
315 { /* Rounding can turn a ...FFF into a ...000. */
318 my_asprintf (&result, "%.3a %d", 1.49999, 33, 44, 55);
319 ASSERT (result != NULL);
320 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
321 || strcmp (result, "0x3.000p-1 33") == 0
322 || strcmp (result, "0x6.000p-2 33") == 0
323 || strcmp (result, "0xc.000p-3 33") == 0);
324 ASSERT (retval == strlen (result));
328 { /* Rounding can turn a ...FFF into a ...000.
329 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
332 my_asprintf (&result, "%.1a %d", 1.999, 33, 44, 55);
333 ASSERT (result != NULL);
334 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
335 || strcmp (result, "0x2.0p+0 33") == 0
336 || strcmp (result, "0x4.0p-1 33") == 0
337 || strcmp (result, "0x8.0p-2 33") == 0);
338 ASSERT (retval == strlen (result));
345 my_asprintf (&result, "%10a %d", 1.75, 33, 44, 55);
346 ASSERT (result != NULL);
347 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
348 || strcmp (result, " 0x3.8p-1 33") == 0
349 || strcmp (result, " 0x7p-2 33") == 0
350 || strcmp (result, " 0xep-3 33") == 0);
351 ASSERT (retval == strlen (result));
355 { /* Small precision. */
358 my_asprintf (&result, "%.10a %d", 1.75, 33, 44, 55);
359 ASSERT (result != NULL);
360 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
361 || strcmp (result, "0x3.8000000000p-1 33") == 0
362 || strcmp (result, "0x7.0000000000p-2 33") == 0
363 || strcmp (result, "0xe.0000000000p-3 33") == 0);
364 ASSERT (retval == strlen (result));
368 { /* Large precision. */
371 my_asprintf (&result, "%.50a %d", 1.75, 33, 44, 55);
372 ASSERT (result != NULL);
373 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
374 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
375 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
376 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
377 ASSERT (retval == strlen (result));
384 my_asprintf (&result, "%-10a %d", 1.75, 33, 44, 55);
385 ASSERT (result != NULL);
386 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
387 || strcmp (result, "0x3.8p-1 33") == 0
388 || strcmp (result, "0x7p-2 33") == 0
389 || strcmp (result, "0xep-3 33") == 0);
390 ASSERT (retval == strlen (result));
394 { /* FLAG_SHOWSIGN. */
397 my_asprintf (&result, "%+a %d", 1.75, 33, 44, 55);
398 ASSERT (result != NULL);
399 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
400 || strcmp (result, "+0x3.8p-1 33") == 0
401 || strcmp (result, "+0x7p-2 33") == 0
402 || strcmp (result, "+0xep-3 33") == 0);
403 ASSERT (retval == strlen (result));
410 my_asprintf (&result, "% a %d", 1.75, 33, 44, 55);
411 ASSERT (result != NULL);
412 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
413 || strcmp (result, " 0x3.8p-1 33") == 0
414 || strcmp (result, " 0x7p-2 33") == 0
415 || strcmp (result, " 0xep-3 33") == 0);
416 ASSERT (retval == strlen (result));
423 my_asprintf (&result, "%#a %d", 1.75, 33, 44, 55);
424 ASSERT (result != NULL);
425 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
426 || strcmp (result, "0x3.8p-1 33") == 0
427 || strcmp (result, "0x7.p-2 33") == 0
428 || strcmp (result, "0xe.p-3 33") == 0);
429 ASSERT (retval == strlen (result));
436 my_asprintf (&result, "%#a %d", 1.0, 33, 44, 55);
437 ASSERT (result != NULL);
438 ASSERT (strcmp (result, "0x1.p+0 33") == 0
439 || strcmp (result, "0x2.p-1 33") == 0
440 || strcmp (result, "0x4.p-2 33") == 0
441 || strcmp (result, "0x8.p-3 33") == 0);
442 ASSERT (retval == strlen (result));
446 { /* FLAG_ZERO with finite number. */
449 my_asprintf (&result, "%010a %d", 1.75, 33, 44, 55);
450 ASSERT (result != NULL);
451 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
452 || strcmp (result, "0x003.8p-1 33") == 0
453 || strcmp (result, "0x00007p-2 33") == 0
454 || strcmp (result, "0x0000ep-3 33") == 0);
455 ASSERT (retval == strlen (result));
459 { /* FLAG_ZERO with infinite number. */
462 my_asprintf (&result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
463 ASSERT (result != NULL);
464 /* "0000000inf 33" is not a valid result; see
465 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
466 ASSERT (strcmp (result, " inf 33") == 0);
467 ASSERT (retval == strlen (result));
471 { /* FLAG_ZERO with NaN. */
474 my_asprintf (&result, "%050a %d", NaN (), 33, 44, 55);
475 ASSERT (result != NULL);
476 /* "0000000nan 33" is not a valid result; see
477 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
478 ASSERT (strlen (result) == 50 + 3
479 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
480 && strcmp (result + strlen (result) - 3, " 33") == 0);
481 ASSERT (retval == strlen (result));
485 { /* A positive number. */
488 my_asprintf (&result, "%La %d", 3.1416015625L, 33, 44, 55);
489 ASSERT (result != NULL);
490 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
491 || strcmp (result, "0x3.244p+0 33") == 0
492 || strcmp (result, "0x6.488p-1 33") == 0
493 || strcmp (result, "0xc.91p-2 33") == 0);
494 ASSERT (retval == strlen (result));
498 { /* A negative number. */
501 my_asprintf (&result, "%LA %d", -3.1416015625L, 33, 44, 55);
502 ASSERT (result != NULL);
503 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
504 || strcmp (result, "-0X3.244P+0 33") == 0
505 || strcmp (result, "-0X6.488P-1 33") == 0
506 || strcmp (result, "-0XC.91P-2 33") == 0);
507 ASSERT (retval == strlen (result));
511 { /* Positive zero. */
514 my_asprintf (&result, "%La %d", 0.0L, 33, 44, 55);
515 ASSERT (result != NULL);
516 ASSERT (strcmp (result, "0x0p+0 33") == 0);
517 ASSERT (retval == strlen (result));
521 { /* Negative zero. */
524 my_asprintf (&result, "%La %d", -0.0L, 33, 44, 55);
525 ASSERT (result != NULL);
526 if (have_minus_zero ())
527 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
528 ASSERT (retval == strlen (result));
532 { /* Positive 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));
542 { /* Negative infinity. */
545 my_asprintf (&result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
546 ASSERT (result != NULL);
547 ASSERT (strcmp (result, "-inf 33") == 0);
548 ASSERT (retval == strlen (result));
555 my_asprintf (&result, "%La %d", 0.0L / 0.0L, 33, 44, 55);
556 ASSERT (result != NULL);
557 ASSERT (strlen (result) >= 3 + 3
558 && strisnan (result, 0, strlen (result) - 3, 0)
559 && strcmp (result + strlen (result) - 3, " 33") == 0);
560 ASSERT (retval == strlen (result));
563 #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_))
565 static union { unsigned int word[4]; long double value; } x =
566 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
569 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
570 ASSERT (result != NULL);
571 ASSERT (strlen (result) >= 3 + 3
572 && strisnan (result, 0, strlen (result) - 3, 0)
573 && strcmp (result + strlen (result) - 3, " 33") == 0);
574 ASSERT (retval == strlen (result));
578 /* Signalling NaN. */
579 static union { unsigned int word[4]; long double value; } x =
580 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
583 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
584 ASSERT (result != NULL);
585 ASSERT (strlen (result) >= 3 + 3
586 && strisnan (result, 0, strlen (result) - 3, 0)
587 && strcmp (result + strlen (result) - 3, " 33") == 0);
588 ASSERT (retval == strlen (result));
591 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
592 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
593 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
594 Application Architecture.
595 Table 5-2 "Floating-Point Register Encodings"
596 Figure 5-6 "Memory to Floating-Point Register Data Translation"
599 static union { unsigned int word[4]; long double value; } x =
600 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
603 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
604 ASSERT (result != NULL);
605 ASSERT (strlen (result) >= 3 + 3
606 && strisnan (result, 0, strlen (result) - 3, 0)
607 && strcmp (result + strlen (result) - 3, " 33") == 0);
608 ASSERT (retval == strlen (result));
611 { /* Pseudo-Infinity. */
612 static union { unsigned int word[4]; long double value; } x =
613 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
616 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
617 ASSERT (result != NULL);
618 ASSERT (strlen (result) >= 3 + 3
619 && strisnan (result, 0, strlen (result) - 3, 0)
620 && strcmp (result + strlen (result) - 3, " 33") == 0);
621 ASSERT (retval == strlen (result));
625 static union { unsigned int word[4]; long double value; } x =
626 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
629 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
630 ASSERT (result != NULL);
631 ASSERT (strlen (result) >= 3 + 3
632 && strisnan (result, 0, strlen (result) - 3, 0)
633 && strcmp (result + strlen (result) - 3, " 33") == 0);
634 ASSERT (retval == strlen (result));
637 { /* Unnormalized number. */
638 static union { unsigned int word[4]; long double value; } x =
639 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
642 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
643 ASSERT (result != NULL);
644 ASSERT (strlen (result) >= 3 + 3
645 && strisnan (result, 0, strlen (result) - 3, 0)
646 && strcmp (result + strlen (result) - 3, " 33") == 0);
647 ASSERT (retval == strlen (result));
650 { /* Pseudo-Denormal. */
651 static union { unsigned int word[4]; long double value; } x =
652 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
655 my_asprintf (&result, "%La %d", x.value, 33, 44, 55);
656 ASSERT (result != NULL);
657 ASSERT (strlen (result) >= 3 + 3
658 && strisnan (result, 0, strlen (result) - 3, 0)
659 && strcmp (result + strlen (result) - 3, " 33") == 0);
660 ASSERT (retval == strlen (result));
665 { /* Rounding near the decimal point. */
668 my_asprintf (&result, "%.0La %d", 1.5L, 33, 44, 55);
669 ASSERT (result != NULL);
670 ASSERT (strcmp (result, "0x2p+0 33") == 0
671 || strcmp (result, "0x3p-1 33") == 0
672 || strcmp (result, "0x6p-2 33") == 0
673 || strcmp (result, "0xcp-3 33") == 0);
674 ASSERT (retval == strlen (result));
678 { /* Rounding with precision 0. */
681 my_asprintf (&result, "%.0La %d", 1.51L, 33, 44, 55);
682 ASSERT (result != NULL);
683 ASSERT (strcmp (result, "0x2p+0 33") == 0
684 || strcmp (result, "0x3p-1 33") == 0
685 || strcmp (result, "0x6p-2 33") == 0
686 || strcmp (result, "0xcp-3 33") == 0);
687 ASSERT (retval == strlen (result));
691 { /* Rounding with precision 1. */
694 my_asprintf (&result, "%.1La %d", 1.51L, 33, 44, 55);
695 ASSERT (result != NULL);
696 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
697 || strcmp (result, "0x3.0p-1 33") == 0
698 || strcmp (result, "0x6.1p-2 33") == 0
699 || strcmp (result, "0xc.1p-3 33") == 0);
700 ASSERT (retval == strlen (result));
704 { /* Rounding with precision 2. */
707 my_asprintf (&result, "%.2La %d", 1.51L, 33, 44, 55);
708 ASSERT (result != NULL);
709 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
710 || strcmp (result, "0x3.05p-1 33") == 0
711 || strcmp (result, "0x6.0ap-2 33") == 0
712 || strcmp (result, "0xc.14p-3 33") == 0);
713 ASSERT (retval == strlen (result));
717 { /* Rounding with precision 3. */
720 my_asprintf (&result, "%.3La %d", 1.51L, 33, 44, 55);
721 ASSERT (result != NULL);
722 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
723 || strcmp (result, "0x3.052p-1 33") == 0
724 || strcmp (result, "0x6.0a4p-2 33") == 0
725 || strcmp (result, "0xc.148p-3 33") == 0);
726 ASSERT (retval == strlen (result));
730 { /* Rounding can turn a ...FFF into a ...000. */
733 my_asprintf (&result, "%.3La %d", 1.49999L, 33, 44, 55);
734 ASSERT (result != NULL);
735 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
736 || strcmp (result, "0x3.000p-1 33") == 0
737 || strcmp (result, "0x6.000p-2 33") == 0
738 || strcmp (result, "0xc.000p-3 33") == 0);
739 ASSERT (retval == strlen (result));
743 { /* Rounding can turn a ...FFF into a ...000.
744 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
745 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
748 my_asprintf (&result, "%.1La %d", 1.999L, 33, 44, 55);
749 ASSERT (result != NULL);
750 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
751 || strcmp (result, "0x2.0p+0 33") == 0
752 || strcmp (result, "0x4.0p-1 33") == 0
753 || strcmp (result, "0x8.0p-2 33") == 0);
754 ASSERT (retval == strlen (result));
761 my_asprintf (&result, "%10La %d", 1.75L, 33, 44, 55);
762 ASSERT (result != NULL);
763 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
764 || strcmp (result, " 0x3.8p-1 33") == 0
765 || strcmp (result, " 0x7p-2 33") == 0
766 || strcmp (result, " 0xep-3 33") == 0);
767 ASSERT (retval == strlen (result));
771 { /* Small precision. */
774 my_asprintf (&result, "%.10La %d", 1.75L, 33, 44, 55);
775 ASSERT (result != NULL);
776 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
777 || strcmp (result, "0x3.8000000000p-1 33") == 0
778 || strcmp (result, "0x7.0000000000p-2 33") == 0
779 || strcmp (result, "0xe.0000000000p-3 33") == 0);
780 ASSERT (retval == strlen (result));
784 { /* Large precision. */
787 my_asprintf (&result, "%.50La %d", 1.75L, 33, 44, 55);
788 ASSERT (result != NULL);
789 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
790 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
791 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
792 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
793 ASSERT (retval == strlen (result));
800 my_asprintf (&result, "%-10La %d", 1.75L, 33, 44, 55);
801 ASSERT (result != NULL);
802 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
803 || strcmp (result, "0x3.8p-1 33") == 0
804 || strcmp (result, "0x7p-2 33") == 0
805 || strcmp (result, "0xep-3 33") == 0);
806 ASSERT (retval == strlen (result));
810 { /* FLAG_SHOWSIGN. */
813 my_asprintf (&result, "%+La %d", 1.75L, 33, 44, 55);
814 ASSERT (result != NULL);
815 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
816 || strcmp (result, "+0x3.8p-1 33") == 0
817 || strcmp (result, "+0x7p-2 33") == 0
818 || strcmp (result, "+0xep-3 33") == 0);
819 ASSERT (retval == strlen (result));
826 my_asprintf (&result, "% La %d", 1.75L, 33, 44, 55);
827 ASSERT (result != NULL);
828 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
829 || strcmp (result, " 0x3.8p-1 33") == 0
830 || strcmp (result, " 0x7p-2 33") == 0
831 || strcmp (result, " 0xep-3 33") == 0);
832 ASSERT (retval == strlen (result));
839 my_asprintf (&result, "%#La %d", 1.75L, 33, 44, 55);
840 ASSERT (result != NULL);
841 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
842 || strcmp (result, "0x3.8p-1 33") == 0
843 || strcmp (result, "0x7.p-2 33") == 0
844 || strcmp (result, "0xe.p-3 33") == 0);
845 ASSERT (retval == strlen (result));
852 my_asprintf (&result, "%#La %d", 1.0L, 33, 44, 55);
853 ASSERT (result != NULL);
854 ASSERT (strcmp (result, "0x1.p+0 33") == 0
855 || strcmp (result, "0x2.p-1 33") == 0
856 || strcmp (result, "0x4.p-2 33") == 0
857 || strcmp (result, "0x8.p-3 33") == 0);
858 ASSERT (retval == strlen (result));
862 { /* FLAG_ZERO with finite number. */
865 my_asprintf (&result, "%010La %d", 1.75L, 33, 44, 55);
866 ASSERT (result != NULL);
867 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
868 || strcmp (result, "0x003.8p-1 33") == 0
869 || strcmp (result, "0x00007p-2 33") == 0
870 || strcmp (result, "0x0000ep-3 33") == 0);
871 ASSERT (retval == strlen (result));
875 { /* FLAG_ZERO with infinite number. */
878 my_asprintf (&result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
879 ASSERT (result != NULL);
880 /* "0000000inf 33" is not a valid result; see
881 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
882 ASSERT (strcmp (result, " inf 33") == 0);
883 ASSERT (retval == strlen (result));
887 { /* FLAG_ZERO with NaN. */
890 my_asprintf (&result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
891 ASSERT (result != NULL);
892 /* "0000000nan 33" is not a valid result; see
893 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
894 ASSERT (strlen (result) == 50 + 3
895 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
896 && strcmp (result + strlen (result) - 3, " 33") == 0);
897 ASSERT (retval == strlen (result));
901 /* Test the support of the %f format directive. */
903 { /* A positive number. */
906 my_asprintf (&result, "%f %d", 12.75, 33, 44, 55);
907 ASSERT (result != NULL);
908 ASSERT (strcmp (result, "12.750000 33") == 0);
909 ASSERT (retval == strlen (result));
913 { /* A larger positive number. */
916 my_asprintf (&result, "%f %d", 1234567.0, 33, 44, 55);
917 ASSERT (result != NULL);
918 ASSERT (strcmp (result, "1234567.000000 33") == 0);
919 ASSERT (retval == strlen (result));
923 { /* Small and large positive numbers. */
924 static struct { double value; const char *string; } data[] =
926 { 1.234321234321234e-37, "0.000000" },
927 { 1.234321234321234e-36, "0.000000" },
928 { 1.234321234321234e-35, "0.000000" },
929 { 1.234321234321234e-34, "0.000000" },
930 { 1.234321234321234e-33, "0.000000" },
931 { 1.234321234321234e-32, "0.000000" },
932 { 1.234321234321234e-31, "0.000000" },
933 { 1.234321234321234e-30, "0.000000" },
934 { 1.234321234321234e-29, "0.000000" },
935 { 1.234321234321234e-28, "0.000000" },
936 { 1.234321234321234e-27, "0.000000" },
937 { 1.234321234321234e-26, "0.000000" },
938 { 1.234321234321234e-25, "0.000000" },
939 { 1.234321234321234e-24, "0.000000" },
940 { 1.234321234321234e-23, "0.000000" },
941 { 1.234321234321234e-22, "0.000000" },
942 { 1.234321234321234e-21, "0.000000" },
943 { 1.234321234321234e-20, "0.000000" },
944 { 1.234321234321234e-19, "0.000000" },
945 { 1.234321234321234e-18, "0.000000" },
946 { 1.234321234321234e-17, "0.000000" },
947 { 1.234321234321234e-16, "0.000000" },
948 { 1.234321234321234e-15, "0.000000" },
949 { 1.234321234321234e-14, "0.000000" },
950 { 1.234321234321234e-13, "0.000000" },
951 { 1.234321234321234e-12, "0.000000" },
952 { 1.234321234321234e-11, "0.000000" },
953 { 1.234321234321234e-10, "0.000000" },
954 { 1.234321234321234e-9, "0.000000" },
955 { 1.234321234321234e-8, "0.000000" },
956 { 1.234321234321234e-7, "0.000000" },
957 { 1.234321234321234e-6, "0.000001" },
958 { 1.234321234321234e-5, "0.000012" },
959 { 1.234321234321234e-4, "0.000123" },
960 { 1.234321234321234e-3, "0.001234" },
961 { 1.234321234321234e-2, "0.012343" },
962 { 1.234321234321234e-1, "0.123432" },
963 { 1.234321234321234, "1.234321" },
964 { 1.234321234321234e1, "12.343212" },
965 { 1.234321234321234e2, "123.432123" },
966 { 1.234321234321234e3, "1234.321234" },
967 { 1.234321234321234e4, "12343.212343" },
968 { 1.234321234321234e5, "123432.123432" },
969 { 1.234321234321234e6, "1234321.234321" },
970 { 1.234321234321234e7, "12343212.343212" },
971 { 1.234321234321234e8, "123432123.432123" },
972 { 1.234321234321234e9, "1234321234.321234" },
973 { 1.234321234321234e10, "12343212343.2123**" },
974 { 1.234321234321234e11, "123432123432.123***" },
975 { 1.234321234321234e12, "1234321234321.23****" },
976 { 1.234321234321234e13, "12343212343212.3*****" },
977 { 1.234321234321234e14, "123432123432123.******" },
978 { 1.234321234321234e15, "1234321234321234.000000" },
979 { 1.234321234321234e16, "123432123432123**.000000" },
980 { 1.234321234321234e17, "123432123432123***.000000" },
981 { 1.234321234321234e18, "123432123432123****.000000" },
982 { 1.234321234321234e19, "123432123432123*****.000000" },
983 { 1.234321234321234e20, "123432123432123******.000000" },
984 { 1.234321234321234e21, "123432123432123*******.000000" },
985 { 1.234321234321234e22, "123432123432123********.000000" },
986 { 1.234321234321234e23, "123432123432123*********.000000" },
987 { 1.234321234321234e24, "123432123432123**********.000000" },
988 { 1.234321234321234e25, "123432123432123***********.000000" },
989 { 1.234321234321234e26, "123432123432123************.000000" },
990 { 1.234321234321234e27, "123432123432123*************.000000" },
991 { 1.234321234321234e28, "123432123432123**************.000000" },
992 { 1.234321234321234e29, "123432123432123***************.000000" },
993 { 1.234321234321234e30, "123432123432123****************.000000" },
994 { 1.234321234321234e31, "123432123432123*****************.000000" },
995 { 1.234321234321234e32, "123432123432123******************.000000" },
996 { 1.234321234321234e33, "123432123432123*******************.000000" },
997 { 1.234321234321234e34, "123432123432123********************.000000" },
998 { 1.234321234321234e35, "123432123432123*********************.000000" },
999 { 1.234321234321234e36, "123432123432123**********************.000000" }
1002 for (k = 0; k < SIZEOF (data); k++)
1006 my_asprintf (&result, "%f", data[k].value);
1007 ASSERT (result != NULL);
1008 ASSERT (strmatch (data[k].string, result));
1009 ASSERT (retval == strlen (result));
1014 { /* A negative number. */
1017 my_asprintf (&result, "%f %d", -0.03125, 33, 44, 55);
1018 ASSERT (result != NULL);
1019 ASSERT (strcmp (result, "-0.031250 33") == 0);
1020 ASSERT (retval == strlen (result));
1024 { /* Positive zero. */
1027 my_asprintf (&result, "%f %d", 0.0, 33, 44, 55);
1028 ASSERT (result != NULL);
1029 ASSERT (strcmp (result, "0.000000 33") == 0);
1030 ASSERT (retval == strlen (result));
1034 { /* Negative zero. */
1037 my_asprintf (&result, "%f %d", -0.0, 33, 44, 55);
1038 ASSERT (result != NULL);
1039 if (have_minus_zero ())
1040 ASSERT (strcmp (result, "-0.000000 33") == 0);
1041 ASSERT (retval == strlen (result));
1045 { /* Positive infinity. */
1048 my_asprintf (&result, "%f %d", 1.0 / 0.0, 33, 44, 55);
1049 ASSERT (result != NULL);
1050 ASSERT (strcmp (result, "inf 33") == 0
1051 || strcmp (result, "infinity 33") == 0);
1052 ASSERT (retval == strlen (result));
1056 { /* Negative infinity. */
1059 my_asprintf (&result, "%f %d", -1.0 / 0.0, 33, 44, 55);
1060 ASSERT (result != NULL);
1061 ASSERT (strcmp (result, "-inf 33") == 0
1062 || strcmp (result, "-infinity 33") == 0);
1063 ASSERT (retval == strlen (result));
1070 my_asprintf (&result, "%f %d", NaN (), 33, 44, 55);
1071 ASSERT (result != NULL);
1072 ASSERT (strlen (result) >= 3 + 3
1073 && strisnan (result, 0, strlen (result) - 3, 0)
1074 && strcmp (result + strlen (result) - 3, " 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));
1092 my_asprintf (&result, "%-10f %d", 1.75, 33, 44, 55);
1093 ASSERT (result != NULL);
1094 ASSERT (strcmp (result, "1.750000 33") == 0);
1095 ASSERT (retval == strlen (result));
1099 { /* FLAG_SHOWSIGN. */
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, "1.750000 33") == 0);
1125 ASSERT (retval == strlen (result));
1132 my_asprintf (&result, "%#.f %d", 1.75, 33, 44, 55);
1133 ASSERT (result != NULL);
1134 ASSERT (strcmp (result, "2. 33") == 0);
1135 ASSERT (retval == strlen (result));
1139 { /* FLAG_ZERO with finite number. */
1142 my_asprintf (&result, "%015f %d", 1234.0, 33, 44, 55);
1143 ASSERT (result != NULL);
1144 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1145 ASSERT (retval == strlen (result));
1149 { /* FLAG_ZERO with infinite number. */
1152 my_asprintf (&result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
1153 ASSERT (result != NULL);
1154 ASSERT (strcmp (result, " -inf 33") == 0
1155 || strcmp (result, " -infinity 33") == 0);
1156 ASSERT (retval == strlen (result));
1160 { /* FLAG_ZERO with NaN. */
1163 my_asprintf (&result, "%050f %d", NaN (), 33, 44, 55);
1164 ASSERT (result != NULL);
1165 ASSERT (strlen (result) == 50 + 3
1166 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1167 && strcmp (result + strlen (result) - 3, " 33") == 0);
1168 ASSERT (retval == strlen (result));
1175 my_asprintf (&result, "%.f %d", 1234.0, 33, 44, 55);
1176 ASSERT (result != NULL);
1177 ASSERT (strcmp (result, "1234 33") == 0);
1178 ASSERT (retval == strlen (result));
1182 { /* A positive number. */
1185 my_asprintf (&result, "%Lf %d", 12.75L, 33, 44, 55);
1186 ASSERT (result != NULL);
1187 ASSERT (strcmp (result, "12.750000 33") == 0);
1188 ASSERT (retval == strlen (result));
1192 { /* A larger positive number. */
1195 my_asprintf (&result, "%Lf %d", 1234567.0L, 33, 44, 55);
1196 ASSERT (result != NULL);
1197 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1198 ASSERT (retval == strlen (result));
1202 { /* Small and large positive numbers. */
1203 static struct { long double value; const char *string; } data[] =
1205 { 1.234321234321234e-37L, "0.000000" },
1206 { 1.234321234321234e-36L, "0.000000" },
1207 { 1.234321234321234e-35L, "0.000000" },
1208 { 1.234321234321234e-34L, "0.000000" },
1209 { 1.234321234321234e-33L, "0.000000" },
1210 { 1.234321234321234e-32L, "0.000000" },
1211 { 1.234321234321234e-31L, "0.000000" },
1212 { 1.234321234321234e-30L, "0.000000" },
1213 { 1.234321234321234e-29L, "0.000000" },
1214 { 1.234321234321234e-28L, "0.000000" },
1215 { 1.234321234321234e-27L, "0.000000" },
1216 { 1.234321234321234e-26L, "0.000000" },
1217 { 1.234321234321234e-25L, "0.000000" },
1218 { 1.234321234321234e-24L, "0.000000" },
1219 { 1.234321234321234e-23L, "0.000000" },
1220 { 1.234321234321234e-22L, "0.000000" },
1221 { 1.234321234321234e-21L, "0.000000" },
1222 { 1.234321234321234e-20L, "0.000000" },
1223 { 1.234321234321234e-19L, "0.000000" },
1224 { 1.234321234321234e-18L, "0.000000" },
1225 { 1.234321234321234e-17L, "0.000000" },
1226 { 1.234321234321234e-16L, "0.000000" },
1227 { 1.234321234321234e-15L, "0.000000" },
1228 { 1.234321234321234e-14L, "0.000000" },
1229 { 1.234321234321234e-13L, "0.000000" },
1230 { 1.234321234321234e-12L, "0.000000" },
1231 { 1.234321234321234e-11L, "0.000000" },
1232 { 1.234321234321234e-10L, "0.000000" },
1233 { 1.234321234321234e-9L, "0.000000" },
1234 { 1.234321234321234e-8L, "0.000000" },
1235 { 1.234321234321234e-7L, "0.000000" },
1236 { 1.234321234321234e-6L, "0.000001" },
1237 { 1.234321234321234e-5L, "0.000012" },
1238 { 1.234321234321234e-4L, "0.000123" },
1239 { 1.234321234321234e-3L, "0.001234" },
1240 { 1.234321234321234e-2L, "0.012343" },
1241 { 1.234321234321234e-1L, "0.123432" },
1242 { 1.234321234321234L, "1.234321" },
1243 { 1.234321234321234e1L, "12.343212" },
1244 { 1.234321234321234e2L, "123.432123" },
1245 { 1.234321234321234e3L, "1234.321234" },
1246 { 1.234321234321234e4L, "12343.212343" },
1247 { 1.234321234321234e5L, "123432.123432" },
1248 { 1.234321234321234e6L, "1234321.234321" },
1249 { 1.234321234321234e7L, "12343212.343212" },
1250 { 1.234321234321234e8L, "123432123.432123" },
1251 { 1.234321234321234e9L, "1234321234.321234" },
1252 { 1.234321234321234e10L, "12343212343.2123**" },
1253 { 1.234321234321234e11L, "123432123432.123***" },
1254 { 1.234321234321234e12L, "1234321234321.23****" },
1255 { 1.234321234321234e13L, "12343212343212.3*****" },
1256 { 1.234321234321234e14L, "123432123432123.******" },
1257 { 1.234321234321234e15L, "1234321234321234.000000" },
1258 { 1.234321234321234e16L, "123432123432123**.000000" },
1259 { 1.234321234321234e17L, "123432123432123***.000000" },
1260 { 1.234321234321234e18L, "123432123432123****.000000" },
1261 { 1.234321234321234e19L, "123432123432123*****.000000" },
1262 { 1.234321234321234e20L, "123432123432123******.000000" },
1263 { 1.234321234321234e21L, "123432123432123*******.000000" },
1264 { 1.234321234321234e22L, "123432123432123********.000000" },
1265 { 1.234321234321234e23L, "123432123432123*********.000000" },
1266 { 1.234321234321234e24L, "123432123432123**********.000000" },
1267 { 1.234321234321234e25L, "123432123432123***********.000000" },
1268 { 1.234321234321234e26L, "123432123432123************.000000" },
1269 { 1.234321234321234e27L, "123432123432123*************.000000" },
1270 { 1.234321234321234e28L, "123432123432123**************.000000" },
1271 { 1.234321234321234e29L, "123432123432123***************.000000" },
1272 { 1.234321234321234e30L, "123432123432123****************.000000" },
1273 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1274 { 1.234321234321234e32L, "123432123432123******************.000000" },
1275 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1276 { 1.234321234321234e34L, "123432123432123********************.000000" },
1277 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1278 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1281 for (k = 0; k < SIZEOF (data); k++)
1285 my_asprintf (&result, "%Lf", data[k].value);
1286 ASSERT (result != NULL);
1287 ASSERT (strmatch (data[k].string, result));
1288 ASSERT (retval == strlen (result));
1293 { /* A negative number. */
1296 my_asprintf (&result, "%Lf %d", -0.03125L, 33, 44, 55);
1297 ASSERT (result != NULL);
1298 ASSERT (strcmp (result, "-0.031250 33") == 0);
1299 ASSERT (retval == strlen (result));
1303 { /* Positive zero. */
1306 my_asprintf (&result, "%Lf %d", 0.0L, 33, 44, 55);
1307 ASSERT (result != NULL);
1308 ASSERT (strcmp (result, "0.000000 33") == 0);
1309 ASSERT (retval == strlen (result));
1313 { /* Negative zero. */
1316 my_asprintf (&result, "%Lf %d", -0.0L, 33, 44, 55);
1317 ASSERT (result != NULL);
1318 if (have_minus_zero ())
1319 ASSERT (strcmp (result, "-0.000000 33") == 0);
1320 ASSERT (retval == strlen (result));
1324 { /* Positive infinity. */
1327 my_asprintf (&result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1328 ASSERT (result != NULL);
1329 ASSERT (strcmp (result, "inf 33") == 0
1330 || strcmp (result, "infinity 33") == 0);
1331 ASSERT (retval == strlen (result));
1335 { /* Negative infinity. */
1338 my_asprintf (&result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1339 ASSERT (result != NULL);
1340 ASSERT (strcmp (result, "-inf 33") == 0
1341 || strcmp (result, "-infinity 33") == 0);
1342 ASSERT (retval == strlen (result));
1347 static long double zero = 0.0L;
1350 my_asprintf (&result, "%Lf %d", zero / zero, 33, 44, 55);
1351 ASSERT (result != NULL);
1352 ASSERT (strlen (result) >= 3 + 3
1353 && strisnan (result, 0, strlen (result) - 3, 0)
1354 && strcmp (result + strlen (result) - 3, " 33") == 0);
1355 ASSERT (retval == strlen (result));
1358 #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_))
1360 static union { unsigned int word[4]; long double value; } x =
1361 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1364 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1365 ASSERT (result != NULL);
1366 ASSERT (strlen (result) >= 3 + 3
1367 && strisnan (result, 0, strlen (result) - 3, 0)
1368 && strcmp (result + strlen (result) - 3, " 33") == 0);
1369 ASSERT (retval == strlen (result));
1373 /* Signalling NaN. */
1374 static union { unsigned int word[4]; long double value; } x =
1375 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1378 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1379 ASSERT (result != NULL);
1380 ASSERT (strlen (result) >= 3 + 3
1381 && strisnan (result, 0, strlen (result) - 3, 0)
1382 && strcmp (result + strlen (result) - 3, " 33") == 0);
1383 ASSERT (retval == strlen (result));
1386 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1387 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1388 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1389 Application Architecture.
1390 Table 5-2 "Floating-Point Register Encodings"
1391 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1394 static union { unsigned int word[4]; long double value; } x =
1395 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1398 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1399 ASSERT (result != NULL);
1400 ASSERT (strlen (result) >= 3 + 3
1401 && strisnan (result, 0, strlen (result) - 3, 0)
1402 && strcmp (result + strlen (result) - 3, " 33") == 0);
1403 ASSERT (retval == strlen (result));
1406 { /* Pseudo-Infinity. */
1407 static union { unsigned int word[4]; long double value; } x =
1408 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1411 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1412 ASSERT (result != NULL);
1413 ASSERT (strlen (result) >= 3 + 3
1414 && strisnan (result, 0, strlen (result) - 3, 0)
1415 && strcmp (result + strlen (result) - 3, " 33") == 0);
1416 ASSERT (retval == strlen (result));
1419 { /* Pseudo-Zero. */
1420 static union { unsigned int word[4]; long double value; } x =
1421 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1424 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1425 ASSERT (result != NULL);
1426 ASSERT (strlen (result) >= 3 + 3
1427 && strisnan (result, 0, strlen (result) - 3, 0)
1428 && strcmp (result + strlen (result) - 3, " 33") == 0);
1429 ASSERT (retval == strlen (result));
1432 { /* Unnormalized number. */
1433 static union { unsigned int word[4]; long double value; } x =
1434 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1437 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1438 ASSERT (result != NULL);
1439 ASSERT (strlen (result) >= 3 + 3
1440 && strisnan (result, 0, strlen (result) - 3, 0)
1441 && strcmp (result + strlen (result) - 3, " 33") == 0);
1442 ASSERT (retval == strlen (result));
1445 { /* Pseudo-Denormal. */
1446 static union { unsigned int word[4]; long double value; } x =
1447 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1450 my_asprintf (&result, "%Lf %d", x.value, 33, 44, 55);
1451 ASSERT (result != NULL);
1452 ASSERT (strlen (result) >= 3 + 3
1453 && strisnan (result, 0, strlen (result) - 3, 0)
1454 && strcmp (result + strlen (result) - 3, " 33") == 0);
1455 ASSERT (retval == strlen (result));
1463 my_asprintf (&result, "%10Lf %d", 1.75L, 33, 44, 55);
1464 ASSERT (result != NULL);
1465 ASSERT (strcmp (result, " 1.750000 33") == 0);
1466 ASSERT (retval == strlen (result));
1473 my_asprintf (&result, "%-10Lf %d", 1.75L, 33, 44, 55);
1474 ASSERT (result != NULL);
1475 ASSERT (strcmp (result, "1.750000 33") == 0);
1476 ASSERT (retval == strlen (result));
1480 { /* FLAG_SHOWSIGN. */
1483 my_asprintf (&result, "%+Lf %d", 1.75L, 33, 44, 55);
1484 ASSERT (result != NULL);
1485 ASSERT (strcmp (result, "+1.750000 33") == 0);
1486 ASSERT (retval == strlen (result));
1493 my_asprintf (&result, "% Lf %d", 1.75L, 33, 44, 55);
1494 ASSERT (result != NULL);
1495 ASSERT (strcmp (result, " 1.750000 33") == 0);
1496 ASSERT (retval == strlen (result));
1503 my_asprintf (&result, "%#Lf %d", 1.75L, 33, 44, 55);
1504 ASSERT (result != NULL);
1505 ASSERT (strcmp (result, "1.750000 33") == 0);
1506 ASSERT (retval == strlen (result));
1513 my_asprintf (&result, "%#.Lf %d", 1.75L, 33, 44, 55);
1514 ASSERT (result != NULL);
1515 ASSERT (strcmp (result, "2. 33") == 0);
1516 ASSERT (retval == strlen (result));
1520 { /* FLAG_ZERO with finite number. */
1523 my_asprintf (&result, "%015Lf %d", 1234.0L, 33, 44, 55);
1524 ASSERT (result != NULL);
1525 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1526 ASSERT (retval == strlen (result));
1530 { /* FLAG_ZERO with infinite number. */
1533 my_asprintf (&result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1534 ASSERT (result != NULL);
1535 ASSERT (strcmp (result, " -inf 33") == 0
1536 || strcmp (result, " -infinity 33") == 0);
1537 ASSERT (retval == strlen (result));
1541 { /* FLAG_ZERO with NaN. */
1542 static long double zero = 0.0L;
1545 my_asprintf (&result, "%050Lf %d", zero / zero, 33, 44, 55);
1546 ASSERT (result != NULL);
1547 ASSERT (strlen (result) == 50 + 3
1548 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1549 && strcmp (result + strlen (result) - 3, " 33") == 0);
1550 ASSERT (retval == strlen (result));
1557 my_asprintf (&result, "%.Lf %d", 1234.0L, 33, 44, 55);
1558 ASSERT (result != NULL);
1559 ASSERT (strcmp (result, "1234 33") == 0);
1560 ASSERT (retval == strlen (result));
1564 /* Test the support of the %F format directive. */
1566 { /* A positive number. */
1569 my_asprintf (&result, "%F %d", 12.75, 33, 44, 55);
1570 ASSERT (result != NULL);
1571 ASSERT (strcmp (result, "12.750000 33") == 0);
1572 ASSERT (retval == strlen (result));
1576 { /* A larger positive number. */
1579 my_asprintf (&result, "%F %d", 1234567.0, 33, 44, 55);
1580 ASSERT (result != NULL);
1581 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1582 ASSERT (retval == strlen (result));
1586 { /* A negative number. */
1589 my_asprintf (&result, "%F %d", -0.03125, 33, 44, 55);
1590 ASSERT (result != NULL);
1591 ASSERT (strcmp (result, "-0.031250 33") == 0);
1592 ASSERT (retval == strlen (result));
1596 { /* Positive zero. */
1599 my_asprintf (&result, "%F %d", 0.0, 33, 44, 55);
1600 ASSERT (result != NULL);
1601 ASSERT (strcmp (result, "0.000000 33") == 0);
1602 ASSERT (retval == strlen (result));
1606 { /* Negative zero. */
1609 my_asprintf (&result, "%F %d", -0.0, 33, 44, 55);
1610 ASSERT (result != NULL);
1611 if (have_minus_zero ())
1612 ASSERT (strcmp (result, "-0.000000 33") == 0);
1613 ASSERT (retval == strlen (result));
1617 { /* Positive infinity. */
1620 my_asprintf (&result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1621 ASSERT (result != NULL);
1622 ASSERT (strcmp (result, "INF 33") == 0
1623 || strcmp (result, "INFINITY 33") == 0);
1624 ASSERT (retval == strlen (result));
1628 { /* Negative infinity. */
1631 my_asprintf (&result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1632 ASSERT (result != NULL);
1633 ASSERT (strcmp (result, "-INF 33") == 0
1634 || strcmp (result, "-INFINITY 33") == 0);
1635 ASSERT (retval == strlen (result));
1642 my_asprintf (&result, "%F %d", NaN (), 33, 44, 55);
1643 ASSERT (result != NULL);
1644 ASSERT (strlen (result) >= 3 + 3
1645 && strisnan (result, 0, strlen (result) - 3, 1)
1646 && strcmp (result + strlen (result) - 3, " 33") == 0);
1647 ASSERT (retval == strlen (result));
1654 my_asprintf (&result, "%015F %d", 1234.0, 33, 44, 55);
1655 ASSERT (result != NULL);
1656 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1657 ASSERT (retval == strlen (result));
1661 { /* FLAG_ZERO with infinite number. */
1664 my_asprintf (&result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1665 ASSERT (result != NULL);
1666 ASSERT (strcmp (result, " -INF 33") == 0
1667 || strcmp (result, " -INFINITY 33") == 0);
1668 ASSERT (retval == strlen (result));
1675 my_asprintf (&result, "%.F %d", 1234.0, 33, 44, 55);
1676 ASSERT (result != NULL);
1677 ASSERT (strcmp (result, "1234 33") == 0);
1678 ASSERT (retval == strlen (result));
1682 { /* A positive number. */
1685 my_asprintf (&result, "%LF %d", 12.75L, 33, 44, 55);
1686 ASSERT (result != NULL);
1687 ASSERT (strcmp (result, "12.750000 33") == 0);
1688 ASSERT (retval == strlen (result));
1692 { /* A larger positive number. */
1695 my_asprintf (&result, "%LF %d", 1234567.0L, 33, 44, 55);
1696 ASSERT (result != NULL);
1697 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1698 ASSERT (retval == strlen (result));
1702 { /* A negative number. */
1705 my_asprintf (&result, "%LF %d", -0.03125L, 33, 44, 55);
1706 ASSERT (result != NULL);
1707 ASSERT (strcmp (result, "-0.031250 33") == 0);
1708 ASSERT (retval == strlen (result));
1712 { /* Positive zero. */
1715 my_asprintf (&result, "%LF %d", 0.0L, 33, 44, 55);
1716 ASSERT (result != NULL);
1717 ASSERT (strcmp (result, "0.000000 33") == 0);
1718 ASSERT (retval == strlen (result));
1722 { /* Negative zero. */
1725 my_asprintf (&result, "%LF %d", -0.0L, 33, 44, 55);
1726 ASSERT (result != NULL);
1727 if (have_minus_zero ())
1728 ASSERT (strcmp (result, "-0.000000 33") == 0);
1729 ASSERT (retval == strlen (result));
1733 { /* Positive infinity. */
1736 my_asprintf (&result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1737 ASSERT (result != NULL);
1738 ASSERT (strcmp (result, "INF 33") == 0
1739 || strcmp (result, "INFINITY 33") == 0);
1740 ASSERT (retval == strlen (result));
1744 { /* Negative infinity. */
1747 my_asprintf (&result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1748 ASSERT (result != NULL);
1749 ASSERT (strcmp (result, "-INF 33") == 0
1750 || strcmp (result, "-INFINITY 33") == 0);
1751 ASSERT (retval == strlen (result));
1756 static long double zero = 0.0L;
1759 my_asprintf (&result, "%LF %d", zero / zero, 33, 44, 55);
1760 ASSERT (result != NULL);
1761 ASSERT (strlen (result) >= 3 + 3
1762 && strisnan (result, 0, strlen (result) - 3, 1)
1763 && strcmp (result + strlen (result) - 3, " 33") == 0);
1764 ASSERT (retval == strlen (result));
1771 my_asprintf (&result, "%015LF %d", 1234.0L, 33, 44, 55);
1772 ASSERT (result != NULL);
1773 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1774 ASSERT (retval == strlen (result));
1778 { /* FLAG_ZERO with infinite number. */
1781 my_asprintf (&result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1782 ASSERT (result != NULL);
1783 ASSERT (strcmp (result, " -INF 33") == 0
1784 || strcmp (result, " -INFINITY 33") == 0);
1785 ASSERT (retval == strlen (result));
1792 my_asprintf (&result, "%.LF %d", 1234.0L, 33, 44, 55);
1793 ASSERT (result != NULL);
1794 ASSERT (strcmp (result, "1234 33") == 0);
1795 ASSERT (retval == strlen (result));
1799 /* Test the support of the %e format directive. */
1801 { /* A positive number. */
1804 my_asprintf (&result, "%e %d", 12.75, 33, 44, 55);
1805 ASSERT (result != NULL);
1806 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1807 || strcmp (result, "1.275000e+001 33") == 0);
1808 ASSERT (retval == strlen (result));
1812 { /* A larger positive number. */
1815 my_asprintf (&result, "%e %d", 1234567.0, 33, 44, 55);
1816 ASSERT (result != NULL);
1817 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1818 || strcmp (result, "1.234567e+006 33") == 0);
1819 ASSERT (retval == strlen (result));
1823 { /* Small and large positive numbers. */
1824 static struct { double value; const char *string; } data[] =
1826 { 1.234321234321234e-37, "1.234321e-37" },
1827 { 1.234321234321234e-36, "1.234321e-36" },
1828 { 1.234321234321234e-35, "1.234321e-35" },
1829 { 1.234321234321234e-34, "1.234321e-34" },
1830 { 1.234321234321234e-33, "1.234321e-33" },
1831 { 1.234321234321234e-32, "1.234321e-32" },
1832 { 1.234321234321234e-31, "1.234321e-31" },
1833 { 1.234321234321234e-30, "1.234321e-30" },
1834 { 1.234321234321234e-29, "1.234321e-29" },
1835 { 1.234321234321234e-28, "1.234321e-28" },
1836 { 1.234321234321234e-27, "1.234321e-27" },
1837 { 1.234321234321234e-26, "1.234321e-26" },
1838 { 1.234321234321234e-25, "1.234321e-25" },
1839 { 1.234321234321234e-24, "1.234321e-24" },
1840 { 1.234321234321234e-23, "1.234321e-23" },
1841 { 1.234321234321234e-22, "1.234321e-22" },
1842 { 1.234321234321234e-21, "1.234321e-21" },
1843 { 1.234321234321234e-20, "1.234321e-20" },
1844 { 1.234321234321234e-19, "1.234321e-19" },
1845 { 1.234321234321234e-18, "1.234321e-18" },
1846 { 1.234321234321234e-17, "1.234321e-17" },
1847 { 1.234321234321234e-16, "1.234321e-16" },
1848 { 1.234321234321234e-15, "1.234321e-15" },
1849 { 1.234321234321234e-14, "1.234321e-14" },
1850 { 1.234321234321234e-13, "1.234321e-13" },
1851 { 1.234321234321234e-12, "1.234321e-12" },
1852 { 1.234321234321234e-11, "1.234321e-11" },
1853 { 1.234321234321234e-10, "1.234321e-10" },
1854 { 1.234321234321234e-9, "1.234321e-09" },
1855 { 1.234321234321234e-8, "1.234321e-08" },
1856 { 1.234321234321234e-7, "1.234321e-07" },
1857 { 1.234321234321234e-6, "1.234321e-06" },
1858 { 1.234321234321234e-5, "1.234321e-05" },
1859 { 1.234321234321234e-4, "1.234321e-04" },
1860 { 1.234321234321234e-3, "1.234321e-03" },
1861 { 1.234321234321234e-2, "1.234321e-02" },
1862 { 1.234321234321234e-1, "1.234321e-01" },
1863 { 1.234321234321234, "1.234321e+00" },
1864 { 1.234321234321234e1, "1.234321e+01" },
1865 { 1.234321234321234e2, "1.234321e+02" },
1866 { 1.234321234321234e3, "1.234321e+03" },
1867 { 1.234321234321234e4, "1.234321e+04" },
1868 { 1.234321234321234e5, "1.234321e+05" },
1869 { 1.234321234321234e6, "1.234321e+06" },
1870 { 1.234321234321234e7, "1.234321e+07" },
1871 { 1.234321234321234e8, "1.234321e+08" },
1872 { 1.234321234321234e9, "1.234321e+09" },
1873 { 1.234321234321234e10, "1.234321e+10" },
1874 { 1.234321234321234e11, "1.234321e+11" },
1875 { 1.234321234321234e12, "1.234321e+12" },
1876 { 1.234321234321234e13, "1.234321e+13" },
1877 { 1.234321234321234e14, "1.234321e+14" },
1878 { 1.234321234321234e15, "1.234321e+15" },
1879 { 1.234321234321234e16, "1.234321e+16" },
1880 { 1.234321234321234e17, "1.234321e+17" },
1881 { 1.234321234321234e18, "1.234321e+18" },
1882 { 1.234321234321234e19, "1.234321e+19" },
1883 { 1.234321234321234e20, "1.234321e+20" },
1884 { 1.234321234321234e21, "1.234321e+21" },
1885 { 1.234321234321234e22, "1.234321e+22" },
1886 { 1.234321234321234e23, "1.234321e+23" },
1887 { 1.234321234321234e24, "1.234321e+24" },
1888 { 1.234321234321234e25, "1.234321e+25" },
1889 { 1.234321234321234e26, "1.234321e+26" },
1890 { 1.234321234321234e27, "1.234321e+27" },
1891 { 1.234321234321234e28, "1.234321e+28" },
1892 { 1.234321234321234e29, "1.234321e+29" },
1893 { 1.234321234321234e30, "1.234321e+30" },
1894 { 1.234321234321234e31, "1.234321e+31" },
1895 { 1.234321234321234e32, "1.234321e+32" },
1896 { 1.234321234321234e33, "1.234321e+33" },
1897 { 1.234321234321234e34, "1.234321e+34" },
1898 { 1.234321234321234e35, "1.234321e+35" },
1899 { 1.234321234321234e36, "1.234321e+36" }
1902 for (k = 0; k < SIZEOF (data); k++)
1906 my_asprintf (&result, "%e", data[k].value);
1907 const char *expected = data[k].string;
1908 ASSERT (result != NULL);
1909 ASSERT (strcmp (result, expected) == 0
1910 /* Some implementations produce exponents with 3 digits. */
1911 || (strlen (result) == strlen (expected) + 1
1912 && memcmp (result, expected, strlen (expected) - 2) == 0
1913 && result[strlen (expected) - 2] == '0'
1914 && strcmp (result + strlen (expected) - 1,
1915 expected + strlen (expected) - 2)
1917 ASSERT (retval == strlen (result));
1922 { /* A negative number. */
1925 my_asprintf (&result, "%e %d", -0.03125, 33, 44, 55);
1926 ASSERT (result != NULL);
1927 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1928 || strcmp (result, "-3.125000e-002 33") == 0);
1929 ASSERT (retval == strlen (result));
1933 { /* Positive zero. */
1936 my_asprintf (&result, "%e %d", 0.0, 33, 44, 55);
1937 ASSERT (result != NULL);
1938 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1939 || strcmp (result, "0.000000e+000 33") == 0);
1940 ASSERT (retval == strlen (result));
1944 { /* Negative zero. */
1947 my_asprintf (&result, "%e %d", -0.0, 33, 44, 55);
1948 ASSERT (result != NULL);
1949 if (have_minus_zero ())
1950 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1951 || strcmp (result, "-0.000000e+000 33") == 0);
1952 ASSERT (retval == strlen (result));
1956 { /* Positive infinity. */
1959 my_asprintf (&result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1960 ASSERT (result != NULL);
1961 ASSERT (strcmp (result, "inf 33") == 0
1962 || strcmp (result, "infinity 33") == 0);
1963 ASSERT (retval == strlen (result));
1967 { /* Negative infinity. */
1970 my_asprintf (&result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1971 ASSERT (result != NULL);
1972 ASSERT (strcmp (result, "-inf 33") == 0
1973 || strcmp (result, "-infinity 33") == 0);
1974 ASSERT (retval == strlen (result));
1981 my_asprintf (&result, "%e %d", NaN (), 33, 44, 55);
1982 ASSERT (result != NULL);
1983 ASSERT (strlen (result) >= 3 + 3
1984 && strisnan (result, 0, strlen (result) - 3, 0)
1985 && strcmp (result + strlen (result) - 3, " 33") == 0);
1986 ASSERT (retval == strlen (result));
1993 my_asprintf (&result, "%15e %d", 1.75, 33, 44, 55);
1994 ASSERT (result != NULL);
1995 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1996 || strcmp (result, " 1.750000e+000 33") == 0);
1997 ASSERT (retval == strlen (result));
2004 my_asprintf (&result, "%-15e %d", 1.75, 33, 44, 55);
2005 ASSERT (result != NULL);
2006 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2007 || strcmp (result, "1.750000e+000 33") == 0);
2008 ASSERT (retval == strlen (result));
2012 { /* FLAG_SHOWSIGN. */
2015 my_asprintf (&result, "%+e %d", 1.75, 33, 44, 55);
2016 ASSERT (result != NULL);
2017 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2018 || strcmp (result, "+1.750000e+000 33") == 0);
2019 ASSERT (retval == strlen (result));
2026 my_asprintf (&result, "% e %d", 1.75, 33, 44, 55);
2027 ASSERT (result != NULL);
2028 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2029 || strcmp (result, " 1.750000e+000 33") == 0);
2030 ASSERT (retval == strlen (result));
2037 my_asprintf (&result, "%#e %d", 1.75, 33, 44, 55);
2038 ASSERT (result != NULL);
2039 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2040 || strcmp (result, "1.750000e+000 33") == 0);
2041 ASSERT (retval == strlen (result));
2048 my_asprintf (&result, "%#.e %d", 1.75, 33, 44, 55);
2049 ASSERT (result != NULL);
2050 ASSERT (strcmp (result, "2.e+00 33") == 0
2051 || strcmp (result, "2.e+000 33") == 0);
2052 ASSERT (retval == strlen (result));
2059 my_asprintf (&result, "%#.e %d", 9.75, 33, 44, 55);
2060 ASSERT (result != NULL);
2061 ASSERT (strcmp (result, "1.e+01 33") == 0
2062 || strcmp (result, "1.e+001 33") == 0);
2063 ASSERT (retval == strlen (result));
2067 { /* FLAG_ZERO with finite number. */
2070 my_asprintf (&result, "%015e %d", 1234.0, 33, 44, 55);
2071 ASSERT (result != NULL);
2072 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2073 || strcmp (result, "001.234000e+003 33") == 0);
2074 ASSERT (retval == strlen (result));
2078 { /* FLAG_ZERO with infinite number. */
2081 my_asprintf (&result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
2082 ASSERT (result != NULL);
2083 ASSERT (strcmp (result, " -inf 33") == 0
2084 || strcmp (result, " -infinity 33") == 0);
2085 ASSERT (retval == strlen (result));
2089 { /* FLAG_ZERO with NaN. */
2092 my_asprintf (&result, "%050e %d", NaN (), 33, 44, 55);
2093 ASSERT (result != NULL);
2094 ASSERT (strlen (result) == 50 + 3
2095 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2096 && strcmp (result + strlen (result) - 3, " 33") == 0);
2097 ASSERT (retval == strlen (result));
2104 my_asprintf (&result, "%.e %d", 1234.0, 33, 44, 55);
2105 ASSERT (result != NULL);
2106 ASSERT (strcmp (result, "1e+03 33") == 0
2107 || strcmp (result, "1e+003 33") == 0);
2108 ASSERT (retval == strlen (result));
2112 { /* A positive number. */
2115 my_asprintf (&result, "%Le %d", 12.75L, 33, 44, 55);
2116 ASSERT (result != NULL);
2117 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
2118 ASSERT (retval == strlen (result));
2122 { /* A larger positive number. */
2125 my_asprintf (&result, "%Le %d", 1234567.0L, 33, 44, 55);
2126 ASSERT (result != NULL);
2127 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
2128 ASSERT (retval == strlen (result));
2132 { /* Small and large positive numbers. */
2133 static struct { long double value; const char *string; } data[] =
2135 { 1.234321234321234e-37L, "1.234321e-37" },
2136 { 1.234321234321234e-36L, "1.234321e-36" },
2137 { 1.234321234321234e-35L, "1.234321e-35" },
2138 { 1.234321234321234e-34L, "1.234321e-34" },
2139 { 1.234321234321234e-33L, "1.234321e-33" },
2140 { 1.234321234321234e-32L, "1.234321e-32" },
2141 { 1.234321234321234e-31L, "1.234321e-31" },
2142 { 1.234321234321234e-30L, "1.234321e-30" },
2143 { 1.234321234321234e-29L, "1.234321e-29" },
2144 { 1.234321234321234e-28L, "1.234321e-28" },
2145 { 1.234321234321234e-27L, "1.234321e-27" },
2146 { 1.234321234321234e-26L, "1.234321e-26" },
2147 { 1.234321234321234e-25L, "1.234321e-25" },
2148 { 1.234321234321234e-24L, "1.234321e-24" },
2149 { 1.234321234321234e-23L, "1.234321e-23" },
2150 { 1.234321234321234e-22L, "1.234321e-22" },
2151 { 1.234321234321234e-21L, "1.234321e-21" },
2152 { 1.234321234321234e-20L, "1.234321e-20" },
2153 { 1.234321234321234e-19L, "1.234321e-19" },
2154 { 1.234321234321234e-18L, "1.234321e-18" },
2155 { 1.234321234321234e-17L, "1.234321e-17" },
2156 { 1.234321234321234e-16L, "1.234321e-16" },
2157 { 1.234321234321234e-15L, "1.234321e-15" },
2158 { 1.234321234321234e-14L, "1.234321e-14" },
2159 { 1.234321234321234e-13L, "1.234321e-13" },
2160 { 1.234321234321234e-12L, "1.234321e-12" },
2161 { 1.234321234321234e-11L, "1.234321e-11" },
2162 { 1.234321234321234e-10L, "1.234321e-10" },
2163 { 1.234321234321234e-9L, "1.234321e-09" },
2164 { 1.234321234321234e-8L, "1.234321e-08" },
2165 { 1.234321234321234e-7L, "1.234321e-07" },
2166 { 1.234321234321234e-6L, "1.234321e-06" },
2167 { 1.234321234321234e-5L, "1.234321e-05" },
2168 { 1.234321234321234e-4L, "1.234321e-04" },
2169 { 1.234321234321234e-3L, "1.234321e-03" },
2170 { 1.234321234321234e-2L, "1.234321e-02" },
2171 { 1.234321234321234e-1L, "1.234321e-01" },
2172 { 1.234321234321234L, "1.234321e+00" },
2173 { 1.234321234321234e1L, "1.234321e+01" },
2174 { 1.234321234321234e2L, "1.234321e+02" },
2175 { 1.234321234321234e3L, "1.234321e+03" },
2176 { 1.234321234321234e4L, "1.234321e+04" },
2177 { 1.234321234321234e5L, "1.234321e+05" },
2178 { 1.234321234321234e6L, "1.234321e+06" },
2179 { 1.234321234321234e7L, "1.234321e+07" },
2180 { 1.234321234321234e8L, "1.234321e+08" },
2181 { 1.234321234321234e9L, "1.234321e+09" },
2182 { 1.234321234321234e10L, "1.234321e+10" },
2183 { 1.234321234321234e11L, "1.234321e+11" },
2184 { 1.234321234321234e12L, "1.234321e+12" },
2185 { 1.234321234321234e13L, "1.234321e+13" },
2186 { 1.234321234321234e14L, "1.234321e+14" },
2187 { 1.234321234321234e15L, "1.234321e+15" },
2188 { 1.234321234321234e16L, "1.234321e+16" },
2189 { 1.234321234321234e17L, "1.234321e+17" },
2190 { 1.234321234321234e18L, "1.234321e+18" },
2191 { 1.234321234321234e19L, "1.234321e+19" },
2192 { 1.234321234321234e20L, "1.234321e+20" },
2193 { 1.234321234321234e21L, "1.234321e+21" },
2194 { 1.234321234321234e22L, "1.234321e+22" },
2195 { 1.234321234321234e23L, "1.234321e+23" },
2196 { 1.234321234321234e24L, "1.234321e+24" },
2197 { 1.234321234321234e25L, "1.234321e+25" },
2198 { 1.234321234321234e26L, "1.234321e+26" },
2199 { 1.234321234321234e27L, "1.234321e+27" },
2200 { 1.234321234321234e28L, "1.234321e+28" },
2201 { 1.234321234321234e29L, "1.234321e+29" },
2202 { 1.234321234321234e30L, "1.234321e+30" },
2203 { 1.234321234321234e31L, "1.234321e+31" },
2204 { 1.234321234321234e32L, "1.234321e+32" },
2205 { 1.234321234321234e33L, "1.234321e+33" },
2206 { 1.234321234321234e34L, "1.234321e+34" },
2207 { 1.234321234321234e35L, "1.234321e+35" },
2208 { 1.234321234321234e36L, "1.234321e+36" }
2211 for (k = 0; k < SIZEOF (data); k++)
2215 my_asprintf (&result, "%Le", data[k].value);
2216 ASSERT (result != NULL);
2217 ASSERT (strcmp (result, data[k].string) == 0);
2218 ASSERT (retval == strlen (result));
2223 { /* A negative number. */
2226 my_asprintf (&result, "%Le %d", -0.03125L, 33, 44, 55);
2227 ASSERT (result != NULL);
2228 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
2229 ASSERT (retval == strlen (result));
2233 { /* Positive zero. */
2236 my_asprintf (&result, "%Le %d", 0.0L, 33, 44, 55);
2237 ASSERT (result != NULL);
2238 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
2239 ASSERT (retval == strlen (result));
2243 { /* Negative zero. */
2246 my_asprintf (&result, "%Le %d", -0.0L, 33, 44, 55);
2247 ASSERT (result != NULL);
2248 if (have_minus_zero ())
2249 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
2250 ASSERT (retval == strlen (result));
2254 { /* Positive infinity. */
2257 my_asprintf (&result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2258 ASSERT (result != NULL);
2259 ASSERT (strcmp (result, "inf 33") == 0
2260 || strcmp (result, "infinity 33") == 0);
2261 ASSERT (retval == strlen (result));
2265 { /* Negative infinity. */
2268 my_asprintf (&result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2269 ASSERT (result != NULL);
2270 ASSERT (strcmp (result, "-inf 33") == 0
2271 || strcmp (result, "-infinity 33") == 0);
2272 ASSERT (retval == strlen (result));
2277 static long double zero = 0.0L;
2280 my_asprintf (&result, "%Le %d", zero / zero, 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));
2288 #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_))
2290 static union { unsigned int word[4]; long double value; } x =
2291 { LDBL80_WORDS (0xFFFF, 0xC3333333, 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));
2303 /* Signalling NaN. */
2304 static union { unsigned int word[4]; long double value; } x =
2305 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2308 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2309 ASSERT (result != NULL);
2310 ASSERT (strlen (result) >= 3 + 3
2311 && strisnan (result, 0, strlen (result) - 3, 0)
2312 && strcmp (result + strlen (result) - 3, " 33") == 0);
2313 ASSERT (retval == strlen (result));
2316 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2317 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2318 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2319 Application Architecture.
2320 Table 5-2 "Floating-Point Register Encodings"
2321 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2324 static union { unsigned int word[4]; long double value; } x =
2325 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2328 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2329 ASSERT (result != NULL);
2330 ASSERT (strlen (result) >= 3 + 3
2331 && strisnan (result, 0, strlen (result) - 3, 0)
2332 && strcmp (result + strlen (result) - 3, " 33") == 0);
2333 ASSERT (retval == strlen (result));
2336 { /* Pseudo-Infinity. */
2337 static union { unsigned int word[4]; long double value; } x =
2338 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2341 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2342 ASSERT (result != NULL);
2343 ASSERT (strlen (result) >= 3 + 3
2344 && strisnan (result, 0, strlen (result) - 3, 0)
2345 && strcmp (result + strlen (result) - 3, " 33") == 0);
2346 ASSERT (retval == strlen (result));
2349 { /* Pseudo-Zero. */
2350 static union { unsigned int word[4]; long double value; } x =
2351 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2354 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2355 ASSERT (result != NULL);
2356 ASSERT (strlen (result) >= 3 + 3
2357 && strisnan (result, 0, strlen (result) - 3, 0)
2358 && strcmp (result + strlen (result) - 3, " 33") == 0);
2359 ASSERT (retval == strlen (result));
2362 { /* Unnormalized number. */
2363 static union { unsigned int word[4]; long double value; } x =
2364 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2367 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2368 ASSERT (result != NULL);
2369 ASSERT (strlen (result) >= 3 + 3
2370 && strisnan (result, 0, strlen (result) - 3, 0)
2371 && strcmp (result + strlen (result) - 3, " 33") == 0);
2372 ASSERT (retval == strlen (result));
2375 { /* Pseudo-Denormal. */
2376 static union { unsigned int word[4]; long double value; } x =
2377 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2380 my_asprintf (&result, "%Le %d", x.value, 33, 44, 55);
2381 ASSERT (result != NULL);
2382 ASSERT (strlen (result) >= 3 + 3
2383 && strisnan (result, 0, strlen (result) - 3, 0)
2384 && strcmp (result + strlen (result) - 3, " 33") == 0);
2385 ASSERT (retval == strlen (result));
2393 my_asprintf (&result, "%15Le %d", 1.75L, 33, 44, 55);
2394 ASSERT (result != NULL);
2395 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2396 ASSERT (retval == strlen (result));
2403 my_asprintf (&result, "%-15Le %d", 1.75L, 33, 44, 55);
2404 ASSERT (result != NULL);
2405 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2406 ASSERT (retval == strlen (result));
2410 { /* FLAG_SHOWSIGN. */
2413 my_asprintf (&result, "%+Le %d", 1.75L, 33, 44, 55);
2414 ASSERT (result != NULL);
2415 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2416 ASSERT (retval == strlen (result));
2423 my_asprintf (&result, "% Le %d", 1.75L, 33, 44, 55);
2424 ASSERT (result != NULL);
2425 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2426 ASSERT (retval == strlen (result));
2433 my_asprintf (&result, "%#Le %d", 1.75L, 33, 44, 55);
2434 ASSERT (result != NULL);
2435 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2436 ASSERT (retval == strlen (result));
2443 my_asprintf (&result, "%#.Le %d", 1.75L, 33, 44, 55);
2444 ASSERT (result != NULL);
2445 ASSERT (strcmp (result, "2.e+00 33") == 0);
2446 ASSERT (retval == strlen (result));
2453 my_asprintf (&result, "%#.Le %d", 9.75L, 33, 44, 55);
2454 ASSERT (result != NULL);
2455 ASSERT (strcmp (result, "1.e+01 33") == 0);
2456 ASSERT (retval == strlen (result));
2460 { /* FLAG_ZERO with finite number. */
2463 my_asprintf (&result, "%015Le %d", 1234.0L, 33, 44, 55);
2464 ASSERT (result != NULL);
2465 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2466 ASSERT (retval == strlen (result));
2470 { /* FLAG_ZERO with infinite number. */
2473 my_asprintf (&result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2474 ASSERT (result != NULL);
2475 ASSERT (strcmp (result, " -inf 33") == 0
2476 || strcmp (result, " -infinity 33") == 0);
2477 ASSERT (retval == strlen (result));
2481 { /* FLAG_ZERO with NaN. */
2482 static long double zero = 0.0L;
2485 my_asprintf (&result, "%050Le %d", zero / zero, 33, 44, 55);
2486 ASSERT (result != NULL);
2487 ASSERT (strlen (result) == 50 + 3
2488 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2489 && strcmp (result + strlen (result) - 3, " 33") == 0);
2490 ASSERT (retval == strlen (result));
2497 my_asprintf (&result, "%.Le %d", 1234.0L, 33, 44, 55);
2498 ASSERT (result != NULL);
2499 ASSERT (strcmp (result, "1e+03 33") == 0);
2500 ASSERT (retval == strlen (result));
2504 /* Test the support of the %g format directive. */
2506 { /* A positive number. */
2509 my_asprintf (&result, "%g %d", 12.75, 33, 44, 55);
2510 ASSERT (result != NULL);
2511 ASSERT (strcmp (result, "12.75 33") == 0);
2512 ASSERT (retval == strlen (result));
2516 { /* A larger positive number. */
2519 my_asprintf (&result, "%g %d", 1234567.0, 33, 44, 55);
2520 ASSERT (result != NULL);
2521 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2522 || strcmp (result, "1.23457e+006 33") == 0);
2523 ASSERT (retval == strlen (result));
2527 { /* Small and large positive numbers. */
2528 static struct { double value; const char *string; } data[] =
2530 { 1.234321234321234e-37, "1.23432e-37" },
2531 { 1.234321234321234e-36, "1.23432e-36" },
2532 { 1.234321234321234e-35, "1.23432e-35" },
2533 { 1.234321234321234e-34, "1.23432e-34" },
2534 { 1.234321234321234e-33, "1.23432e-33" },
2535 { 1.234321234321234e-32, "1.23432e-32" },
2536 { 1.234321234321234e-31, "1.23432e-31" },
2537 { 1.234321234321234e-30, "1.23432e-30" },
2538 { 1.234321234321234e-29, "1.23432e-29" },
2539 { 1.234321234321234e-28, "1.23432e-28" },
2540 { 1.234321234321234e-27, "1.23432e-27" },
2541 { 1.234321234321234e-26, "1.23432e-26" },
2542 { 1.234321234321234e-25, "1.23432e-25" },
2543 { 1.234321234321234e-24, "1.23432e-24" },
2544 { 1.234321234321234e-23, "1.23432e-23" },
2545 { 1.234321234321234e-22, "1.23432e-22" },
2546 { 1.234321234321234e-21, "1.23432e-21" },
2547 { 1.234321234321234e-20, "1.23432e-20" },
2548 { 1.234321234321234e-19, "1.23432e-19" },
2549 { 1.234321234321234e-18, "1.23432e-18" },
2550 { 1.234321234321234e-17, "1.23432e-17" },
2551 { 1.234321234321234e-16, "1.23432e-16" },
2552 { 1.234321234321234e-15, "1.23432e-15" },
2553 { 1.234321234321234e-14, "1.23432e-14" },
2554 { 1.234321234321234e-13, "1.23432e-13" },
2555 { 1.234321234321234e-12, "1.23432e-12" },
2556 { 1.234321234321234e-11, "1.23432e-11" },
2557 { 1.234321234321234e-10, "1.23432e-10" },
2558 { 1.234321234321234e-9, "1.23432e-09" },
2559 { 1.234321234321234e-8, "1.23432e-08" },
2560 { 1.234321234321234e-7, "1.23432e-07" },
2561 { 1.234321234321234e-6, "1.23432e-06" },
2562 { 1.234321234321234e-5, "1.23432e-05" },
2563 { 1.234321234321234e-4, "0.000123432" },
2564 { 1.234321234321234e-3, "0.00123432" },
2565 { 1.234321234321234e-2, "0.0123432" },
2566 { 1.234321234321234e-1, "0.123432" },
2567 { 1.234321234321234, "1.23432" },
2568 { 1.234321234321234e1, "12.3432" },
2569 { 1.234321234321234e2, "123.432" },
2570 { 1.234321234321234e3, "1234.32" },
2571 { 1.234321234321234e4, "12343.2" },
2572 { 1.234321234321234e5, "123432" },
2573 { 1.234321234321234e6, "1.23432e+06" },
2574 { 1.234321234321234e7, "1.23432e+07" },
2575 { 1.234321234321234e8, "1.23432e+08" },
2576 { 1.234321234321234e9, "1.23432e+09" },
2577 { 1.234321234321234e10, "1.23432e+10" },
2578 { 1.234321234321234e11, "1.23432e+11" },
2579 { 1.234321234321234e12, "1.23432e+12" },
2580 { 1.234321234321234e13, "1.23432e+13" },
2581 { 1.234321234321234e14, "1.23432e+14" },
2582 { 1.234321234321234e15, "1.23432e+15" },
2583 { 1.234321234321234e16, "1.23432e+16" },
2584 { 1.234321234321234e17, "1.23432e+17" },
2585 { 1.234321234321234e18, "1.23432e+18" },
2586 { 1.234321234321234e19, "1.23432e+19" },
2587 { 1.234321234321234e20, "1.23432e+20" },
2588 { 1.234321234321234e21, "1.23432e+21" },
2589 { 1.234321234321234e22, "1.23432e+22" },
2590 { 1.234321234321234e23, "1.23432e+23" },
2591 { 1.234321234321234e24, "1.23432e+24" },
2592 { 1.234321234321234e25, "1.23432e+25" },
2593 { 1.234321234321234e26, "1.23432e+26" },
2594 { 1.234321234321234e27, "1.23432e+27" },
2595 { 1.234321234321234e28, "1.23432e+28" },
2596 { 1.234321234321234e29, "1.23432e+29" },
2597 { 1.234321234321234e30, "1.23432e+30" },
2598 { 1.234321234321234e31, "1.23432e+31" },
2599 { 1.234321234321234e32, "1.23432e+32" },
2600 { 1.234321234321234e33, "1.23432e+33" },
2601 { 1.234321234321234e34, "1.23432e+34" },
2602 { 1.234321234321234e35, "1.23432e+35" },
2603 { 1.234321234321234e36, "1.23432e+36" }
2606 for (k = 0; k < SIZEOF (data); k++)
2610 my_asprintf (&result, "%g", data[k].value);
2611 const char *expected = data[k].string;
2612 ASSERT (result != NULL);
2613 ASSERT (strcmp (result, expected) == 0
2614 /* Some implementations produce exponents with 3 digits. */
2615 || (expected[strlen (expected) - 4] == 'e'
2616 && strlen (result) == strlen (expected) + 1
2617 && memcmp (result, expected, strlen (expected) - 2) == 0
2618 && result[strlen (expected) - 2] == '0'
2619 && strcmp (result + strlen (expected) - 1,
2620 expected + strlen (expected) - 2)
2622 ASSERT (retval == strlen (result));
2627 { /* A negative number. */
2630 my_asprintf (&result, "%g %d", -0.03125, 33, 44, 55);
2631 ASSERT (result != NULL);
2632 ASSERT (strcmp (result, "-0.03125 33") == 0);
2633 ASSERT (retval == strlen (result));
2637 { /* Positive zero. */
2640 my_asprintf (&result, "%g %d", 0.0, 33, 44, 55);
2641 ASSERT (result != NULL);
2642 ASSERT (strcmp (result, "0 33") == 0);
2643 ASSERT (retval == strlen (result));
2647 { /* Negative zero. */
2650 my_asprintf (&result, "%g %d", -0.0, 33, 44, 55);
2651 ASSERT (result != NULL);
2652 if (have_minus_zero ())
2653 ASSERT (strcmp (result, "-0 33") == 0);
2654 ASSERT (retval == strlen (result));
2658 { /* Positive infinity. */
2661 my_asprintf (&result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2662 ASSERT (result != NULL);
2663 ASSERT (strcmp (result, "inf 33") == 0
2664 || strcmp (result, "infinity 33") == 0);
2665 ASSERT (retval == strlen (result));
2669 { /* Negative infinity. */
2672 my_asprintf (&result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2673 ASSERT (result != NULL);
2674 ASSERT (strcmp (result, "-inf 33") == 0
2675 || strcmp (result, "-infinity 33") == 0);
2676 ASSERT (retval == strlen (result));
2683 my_asprintf (&result, "%g %d", NaN (), 33, 44, 55);
2684 ASSERT (result != NULL);
2685 ASSERT (strlen (result) >= 3 + 3
2686 && strisnan (result, 0, strlen (result) - 3, 0)
2687 && strcmp (result + strlen (result) - 3, " 33") == 0);
2688 ASSERT (retval == strlen (result));
2695 my_asprintf (&result, "%10g %d", 1.75, 33, 44, 55);
2696 ASSERT (result != NULL);
2697 ASSERT (strcmp (result, " 1.75 33") == 0);
2698 ASSERT (retval == strlen (result));
2705 my_asprintf (&result, "%-10g %d", 1.75, 33, 44, 55);
2706 ASSERT (result != NULL);
2707 ASSERT (strcmp (result, "1.75 33") == 0);
2708 ASSERT (retval == strlen (result));
2712 { /* FLAG_SHOWSIGN. */
2715 my_asprintf (&result, "%+g %d", 1.75, 33, 44, 55);
2716 ASSERT (result != NULL);
2717 ASSERT (strcmp (result, "+1.75 33") == 0);
2718 ASSERT (retval == strlen (result));
2725 my_asprintf (&result, "% g %d", 1.75, 33, 44, 55);
2726 ASSERT (result != NULL);
2727 ASSERT (strcmp (result, " 1.75 33") == 0);
2728 ASSERT (retval == strlen (result));
2735 my_asprintf (&result, "%#g %d", 1.75, 33, 44, 55);
2736 ASSERT (result != NULL);
2737 ASSERT (strcmp (result, "1.75000 33") == 0);
2738 ASSERT (retval == strlen (result));
2745 my_asprintf (&result, "%#.g %d", 1.75, 33, 44, 55);
2746 ASSERT (result != NULL);
2747 ASSERT (strcmp (result, "2. 33") == 0);
2748 ASSERT (retval == strlen (result));
2755 my_asprintf (&result, "%#.g %d", 9.75, 33, 44, 55);
2756 ASSERT (result != NULL);
2757 ASSERT (strcmp (result, "1.e+01 33") == 0
2758 || strcmp (result, "1.e+001 33") == 0);
2759 ASSERT (retval == strlen (result));
2763 { /* FLAG_ZERO with finite number. */
2766 my_asprintf (&result, "%010g %d", 1234.0, 33, 44, 55);
2767 ASSERT (result != NULL);
2768 ASSERT (strcmp (result, "0000001234 33") == 0);
2769 ASSERT (retval == strlen (result));
2773 { /* FLAG_ZERO with infinite number. */
2776 my_asprintf (&result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2777 ASSERT (result != NULL);
2778 ASSERT (strcmp (result, " -inf 33") == 0
2779 || strcmp (result, " -infinity 33") == 0);
2780 ASSERT (retval == strlen (result));
2784 { /* FLAG_ZERO with NaN. */
2787 my_asprintf (&result, "%050g %d", NaN (), 33, 44, 55);
2788 ASSERT (result != NULL);
2789 ASSERT (strlen (result) == 50 + 3
2790 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2791 && strcmp (result + strlen (result) - 3, " 33") == 0);
2792 ASSERT (retval == strlen (result));
2799 my_asprintf (&result, "%.g %d", 1234.0, 33, 44, 55);
2800 ASSERT (result != NULL);
2801 ASSERT (strcmp (result, "1e+03 33") == 0
2802 || strcmp (result, "1e+003 33") == 0);
2803 ASSERT (retval == strlen (result));
2807 { /* A positive number. */
2810 my_asprintf (&result, "%Lg %d", 12.75L, 33, 44, 55);
2811 ASSERT (result != NULL);
2812 ASSERT (strcmp (result, "12.75 33") == 0);
2813 ASSERT (retval == strlen (result));
2817 { /* A larger positive number. */
2820 my_asprintf (&result, "%Lg %d", 1234567.0L, 33, 44, 55);
2821 ASSERT (result != NULL);
2822 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2823 ASSERT (retval == strlen (result));
2827 { /* Small and large positive numbers. */
2828 static struct { long double value; const char *string; } data[] =
2830 { 1.234321234321234e-37L, "1.23432e-37" },
2831 { 1.234321234321234e-36L, "1.23432e-36" },
2832 { 1.234321234321234e-35L, "1.23432e-35" },
2833 { 1.234321234321234e-34L, "1.23432e-34" },
2834 { 1.234321234321234e-33L, "1.23432e-33" },
2835 { 1.234321234321234e-32L, "1.23432e-32" },
2836 { 1.234321234321234e-31L, "1.23432e-31" },
2837 { 1.234321234321234e-30L, "1.23432e-30" },
2838 { 1.234321234321234e-29L, "1.23432e-29" },
2839 { 1.234321234321234e-28L, "1.23432e-28" },
2840 { 1.234321234321234e-27L, "1.23432e-27" },
2841 { 1.234321234321234e-26L, "1.23432e-26" },
2842 { 1.234321234321234e-25L, "1.23432e-25" },
2843 { 1.234321234321234e-24L, "1.23432e-24" },
2844 { 1.234321234321234e-23L, "1.23432e-23" },
2845 { 1.234321234321234e-22L, "1.23432e-22" },
2846 { 1.234321234321234e-21L, "1.23432e-21" },
2847 { 1.234321234321234e-20L, "1.23432e-20" },
2848 { 1.234321234321234e-19L, "1.23432e-19" },
2849 { 1.234321234321234e-18L, "1.23432e-18" },
2850 { 1.234321234321234e-17L, "1.23432e-17" },
2851 { 1.234321234321234e-16L, "1.23432e-16" },
2852 { 1.234321234321234e-15L, "1.23432e-15" },
2853 { 1.234321234321234e-14L, "1.23432e-14" },
2854 { 1.234321234321234e-13L, "1.23432e-13" },
2855 { 1.234321234321234e-12L, "1.23432e-12" },
2856 { 1.234321234321234e-11L, "1.23432e-11" },
2857 { 1.234321234321234e-10L, "1.23432e-10" },
2858 { 1.234321234321234e-9L, "1.23432e-09" },
2859 { 1.234321234321234e-8L, "1.23432e-08" },
2860 { 1.234321234321234e-7L, "1.23432e-07" },
2861 { 1.234321234321234e-6L, "1.23432e-06" },
2862 { 1.234321234321234e-5L, "1.23432e-05" },
2863 { 1.234321234321234e-4L, "0.000123432" },
2864 { 1.234321234321234e-3L, "0.00123432" },
2865 { 1.234321234321234e-2L, "0.0123432" },
2866 { 1.234321234321234e-1L, "0.123432" },
2867 { 1.234321234321234L, "1.23432" },
2868 { 1.234321234321234e1L, "12.3432" },
2869 { 1.234321234321234e2L, "123.432" },
2870 { 1.234321234321234e3L, "1234.32" },
2871 { 1.234321234321234e4L, "12343.2" },
2872 { 1.234321234321234e5L, "123432" },
2873 { 1.234321234321234e6L, "1.23432e+06" },
2874 { 1.234321234321234e7L, "1.23432e+07" },
2875 { 1.234321234321234e8L, "1.23432e+08" },
2876 { 1.234321234321234e9L, "1.23432e+09" },
2877 { 1.234321234321234e10L, "1.23432e+10" },
2878 { 1.234321234321234e11L, "1.23432e+11" },
2879 { 1.234321234321234e12L, "1.23432e+12" },
2880 { 1.234321234321234e13L, "1.23432e+13" },
2881 { 1.234321234321234e14L, "1.23432e+14" },
2882 { 1.234321234321234e15L, "1.23432e+15" },
2883 { 1.234321234321234e16L, "1.23432e+16" },
2884 { 1.234321234321234e17L, "1.23432e+17" },
2885 { 1.234321234321234e18L, "1.23432e+18" },
2886 { 1.234321234321234e19L, "1.23432e+19" },
2887 { 1.234321234321234e20L, "1.23432e+20" },
2888 { 1.234321234321234e21L, "1.23432e+21" },
2889 { 1.234321234321234e22L, "1.23432e+22" },
2890 { 1.234321234321234e23L, "1.23432e+23" },
2891 { 1.234321234321234e24L, "1.23432e+24" },
2892 { 1.234321234321234e25L, "1.23432e+25" },
2893 { 1.234321234321234e26L, "1.23432e+26" },
2894 { 1.234321234321234e27L, "1.23432e+27" },
2895 { 1.234321234321234e28L, "1.23432e+28" },
2896 { 1.234321234321234e29L, "1.23432e+29" },
2897 { 1.234321234321234e30L, "1.23432e+30" },
2898 { 1.234321234321234e31L, "1.23432e+31" },
2899 { 1.234321234321234e32L, "1.23432e+32" },
2900 { 1.234321234321234e33L, "1.23432e+33" },
2901 { 1.234321234321234e34L, "1.23432e+34" },
2902 { 1.234321234321234e35L, "1.23432e+35" },
2903 { 1.234321234321234e36L, "1.23432e+36" }
2906 for (k = 0; k < SIZEOF (data); k++)
2910 my_asprintf (&result, "%Lg", data[k].value);
2911 ASSERT (result != NULL);
2912 ASSERT (strcmp (result, data[k].string) == 0);
2913 ASSERT (retval == strlen (result));
2918 { /* A negative number. */
2921 my_asprintf (&result, "%Lg %d", -0.03125L, 33, 44, 55);
2922 ASSERT (result != NULL);
2923 ASSERT (strcmp (result, "-0.03125 33") == 0);
2924 ASSERT (retval == strlen (result));
2928 { /* Positive zero. */
2931 my_asprintf (&result, "%Lg %d", 0.0L, 33, 44, 55);
2932 ASSERT (result != NULL);
2933 ASSERT (strcmp (result, "0 33") == 0);
2934 ASSERT (retval == strlen (result));
2938 { /* Negative zero. */
2941 my_asprintf (&result, "%Lg %d", -0.0L, 33, 44, 55);
2942 ASSERT (result != NULL);
2943 if (have_minus_zero ())
2944 ASSERT (strcmp (result, "-0 33") == 0);
2945 ASSERT (retval == strlen (result));
2949 { /* Positive infinity. */
2952 my_asprintf (&result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2953 ASSERT (result != NULL);
2954 ASSERT (strcmp (result, "inf 33") == 0
2955 || strcmp (result, "infinity 33") == 0);
2956 ASSERT (retval == strlen (result));
2960 { /* Negative infinity. */
2963 my_asprintf (&result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2964 ASSERT (result != NULL);
2965 ASSERT (strcmp (result, "-inf 33") == 0
2966 || strcmp (result, "-infinity 33") == 0);
2967 ASSERT (retval == strlen (result));
2972 static long double zero = 0.0L;
2975 my_asprintf (&result, "%Lg %d", zero / zero, 33, 44, 55);
2976 ASSERT (result != NULL);
2977 ASSERT (strlen (result) >= 3 + 3
2978 && strisnan (result, 0, strlen (result) - 3, 0)
2979 && strcmp (result + strlen (result) - 3, " 33") == 0);
2980 ASSERT (retval == strlen (result));
2983 #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_))
2985 static union { unsigned int word[4]; long double value; } x =
2986 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2989 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
2990 ASSERT (result != NULL);
2991 ASSERT (strlen (result) >= 3 + 3
2992 && strisnan (result, 0, strlen (result) - 3, 0)
2993 && strcmp (result + strlen (result) - 3, " 33") == 0);
2994 ASSERT (retval == strlen (result));
2998 /* Signalling NaN. */
2999 static union { unsigned int word[4]; long double value; } x =
3000 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
3003 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3004 ASSERT (result != NULL);
3005 ASSERT (strlen (result) >= 3 + 3
3006 && strisnan (result, 0, strlen (result) - 3, 0)
3007 && strcmp (result + strlen (result) - 3, " 33") == 0);
3008 ASSERT (retval == strlen (result));
3011 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
3012 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
3013 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
3014 Application Architecture.
3015 Table 5-2 "Floating-Point Register Encodings"
3016 Figure 5-6 "Memory to Floating-Point Register Data Translation"
3019 static union { unsigned int word[4]; long double value; } x =
3020 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
3023 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3024 ASSERT (result != NULL);
3025 ASSERT (strlen (result) >= 3 + 3
3026 && strisnan (result, 0, strlen (result) - 3, 0)
3027 && strcmp (result + strlen (result) - 3, " 33") == 0);
3028 ASSERT (retval == strlen (result));
3031 { /* Pseudo-Infinity. */
3032 static union { unsigned int word[4]; long double value; } x =
3033 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
3036 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3037 ASSERT (result != NULL);
3038 ASSERT (strlen (result) >= 3 + 3
3039 && strisnan (result, 0, strlen (result) - 3, 0)
3040 && strcmp (result + strlen (result) - 3, " 33") == 0);
3041 ASSERT (retval == strlen (result));
3044 { /* Pseudo-Zero. */
3045 static union { unsigned int word[4]; long double value; } x =
3046 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
3049 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3050 ASSERT (result != NULL);
3051 ASSERT (strlen (result) >= 3 + 3
3052 && strisnan (result, 0, strlen (result) - 3, 0)
3053 && strcmp (result + strlen (result) - 3, " 33") == 0);
3054 ASSERT (retval == strlen (result));
3057 { /* Unnormalized number. */
3058 static union { unsigned int word[4]; long double value; } x =
3059 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
3062 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3063 ASSERT (result != NULL);
3064 ASSERT (strlen (result) >= 3 + 3
3065 && strisnan (result, 0, strlen (result) - 3, 0)
3066 && strcmp (result + strlen (result) - 3, " 33") == 0);
3067 ASSERT (retval == strlen (result));
3070 { /* Pseudo-Denormal. */
3071 static union { unsigned int word[4]; long double value; } x =
3072 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
3075 my_asprintf (&result, "%Lg %d", x.value, 33, 44, 55);
3076 ASSERT (result != NULL);
3077 ASSERT (strlen (result) >= 3 + 3
3078 && strisnan (result, 0, strlen (result) - 3, 0)
3079 && strcmp (result + strlen (result) - 3, " 33") == 0);
3080 ASSERT (retval == strlen (result));
3088 my_asprintf (&result, "%10Lg %d", 1.75L, 33, 44, 55);
3089 ASSERT (result != NULL);
3090 ASSERT (strcmp (result, " 1.75 33") == 0);
3091 ASSERT (retval == strlen (result));
3098 my_asprintf (&result, "%-10Lg %d", 1.75L, 33, 44, 55);
3099 ASSERT (result != NULL);
3100 ASSERT (strcmp (result, "1.75 33") == 0);
3101 ASSERT (retval == strlen (result));
3105 { /* FLAG_SHOWSIGN. */
3108 my_asprintf (&result, "%+Lg %d", 1.75L, 33, 44, 55);
3109 ASSERT (result != NULL);
3110 ASSERT (strcmp (result, "+1.75 33") == 0);
3111 ASSERT (retval == strlen (result));
3118 my_asprintf (&result, "% Lg %d", 1.75L, 33, 44, 55);
3119 ASSERT (result != NULL);
3120 ASSERT (strcmp (result, " 1.75 33") == 0);
3121 ASSERT (retval == strlen (result));
3128 my_asprintf (&result, "%#Lg %d", 1.75L, 33, 44, 55);
3129 ASSERT (result != NULL);
3130 ASSERT (strcmp (result, "1.75000 33") == 0);
3131 ASSERT (retval == strlen (result));
3138 my_asprintf (&result, "%#.Lg %d", 1.75L, 33, 44, 55);
3139 ASSERT (result != NULL);
3140 ASSERT (strcmp (result, "2. 33") == 0);
3141 ASSERT (retval == strlen (result));
3148 my_asprintf (&result, "%#.Lg %d", 9.75L, 33, 44, 55);
3149 ASSERT (result != NULL);
3150 ASSERT (strcmp (result, "1.e+01 33") == 0);
3151 ASSERT (retval == strlen (result));
3155 { /* FLAG_ZERO with finite number. */
3158 my_asprintf (&result, "%010Lg %d", 1234.0L, 33, 44, 55);
3159 ASSERT (result != NULL);
3160 ASSERT (strcmp (result, "0000001234 33") == 0);
3161 ASSERT (retval == strlen (result));
3165 { /* FLAG_ZERO with infinite number. */
3168 my_asprintf (&result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
3169 ASSERT (result != NULL);
3170 ASSERT (strcmp (result, " -inf 33") == 0
3171 || strcmp (result, " -infinity 33") == 0);
3172 ASSERT (retval == strlen (result));
3176 { /* FLAG_ZERO with NaN. */
3177 static long double zero = 0.0L;
3180 my_asprintf (&result, "%050Lg %d", zero / zero, 33, 44, 55);
3181 ASSERT (result != NULL);
3182 ASSERT (strlen (result) == 50 + 3
3183 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
3184 && strcmp (result + strlen (result) - 3, " 33") == 0);
3185 ASSERT (retval == strlen (result));
3192 my_asprintf (&result, "%.Lg %d", 1234.0L, 33, 44, 55);
3193 ASSERT (result != NULL);
3194 ASSERT (strcmp (result, "1e+03 33") == 0);
3195 ASSERT (retval == strlen (result));
3199 /* Test the support of the %n format directive. */
3205 my_asprintf (&result, "%d %n", 123, &count, 33, 44, 55);
3206 ASSERT (result != NULL);
3207 ASSERT (strcmp (result, "123 ") == 0);
3208 ASSERT (retval == strlen (result));
3209 ASSERT (count == 4);
3213 /* Test the support of the POSIX/XSI format strings with positions. */
3218 my_asprintf (&result, "%2$d %1$d", 33, 55);
3219 ASSERT (result != NULL);
3220 ASSERT (strcmp (result, "55 33") == 0);
3221 ASSERT (retval == strlen (result));
3225 /* Test the support of the grouping flag. */
3230 my_asprintf (&result, "%'d %d", 1234567, 99);
3231 ASSERT (result != NULL);
3232 ASSERT (result[strlen (result) - 1] == '9');
3233 ASSERT (retval == strlen (result));
3237 /* Test the support of large precision. */
3242 my_asprintf (&result, "%.4000d %d", 1234567, 99);
3244 ASSERT (result != NULL);
3245 for (i = 0; i < 4000 - 7; i++)
3246 ASSERT (result[i] == '0');
3247 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3248 ASSERT (retval == strlen (result));
3255 my_asprintf (&result, "%.4000d %d", -1234567, 99);
3257 ASSERT (result != NULL);
3258 ASSERT (result[0] == '-');
3259 for (i = 0; i < 4000 - 7; i++)
3260 ASSERT (result[1 + i] == '0');
3261 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
3262 ASSERT (retval == strlen (result));
3269 my_asprintf (&result, "%.4000u %d", 1234567, 99);
3271 ASSERT (result != NULL);
3272 for (i = 0; i < 4000 - 7; i++)
3273 ASSERT (result[i] == '0');
3274 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3275 ASSERT (retval == strlen (result));
3282 my_asprintf (&result, "%.4000o %d", 1234567, 99);
3284 ASSERT (result != NULL);
3285 for (i = 0; i < 4000 - 7; i++)
3286 ASSERT (result[i] == '0');
3287 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3288 ASSERT (retval == strlen (result));
3295 my_asprintf (&result, "%.4000x %d", 1234567, 99);
3297 ASSERT (result != NULL);
3298 for (i = 0; i < 4000 - 6; i++)
3299 ASSERT (result[i] == '0');
3300 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3301 ASSERT (retval == strlen (result));
3308 my_asprintf (&result, "%#.4000x %d", 1234567, 99);
3310 ASSERT (result != NULL);
3311 ASSERT (result[0] == '0');
3312 ASSERT (result[1] == 'x');
3313 for (i = 0; i < 4000 - 6; i++)
3314 ASSERT (result[2 + i] == '0');
3315 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3316 ASSERT (retval == strlen (result));
3326 for (i = 0; i < sizeof (input) - 1; i++)
3327 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3329 retval = my_asprintf (&result, "%.4000s %d", input, 99);
3330 ASSERT (result != NULL);
3331 ASSERT (memcmp (result, input, 4000) == 0);
3332 ASSERT (strcmp (result + 4000, " 99") == 0);
3333 ASSERT (retval == strlen (result));
3339 my_asprintf (char **result, const char *format, ...)
3344 va_start (args, format);
3345 ret = vasprintf (result, format, args);
3353 test_function (my_asprintf);
3359 test_function (asprintf);
3363 main (int argc, char *argv[])