1 /* Test of POSIX compatible vsprintf() and sprintf() 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 2, or (at your option)
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, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
20 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
25 static double zero = 0.0;
29 # define NaN() (0.0 / 0.0)
32 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
36 static double plus_zero = 0.0;
37 static double minus_zero = -0.0;
38 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
41 /* Representation of an 80-bit 'long double' as an initializer for a sequence
42 of 'unsigned int' words. */
43 #ifdef WORDS_BIGENDIAN
44 # define LDBL80_WORDS(exponent,manthi,mantlo) \
45 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
46 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
47 (unsigned int) (mantlo) << 16 \
50 # define LDBL80_WORDS(exponent,manthi,mantlo) \
51 { mantlo, manthi, exponent }
55 strmatch (const char *pattern, const char *string)
57 if (strlen (pattern) != strlen (string))
59 for (; *pattern != '\0'; pattern++, string++)
60 if (*pattern != '*' && *string != *pattern)
65 /* Test whether string[start_index..end_index-1] is a valid textual
66 representation of NaN. */
68 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
70 if (start_index < end_index)
72 if (string[start_index] == '-')
74 if (start_index + 3 <= end_index
75 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
78 if (start_index == end_index
79 || (string[start_index] == '(' && string[end_index - 1] == ')'))
87 test_function (int (*my_sprintf) (char *, const char *, ...))
91 /* Test return value convention. */
96 memcpy (buf, "DEADBEEF", 8);
97 retval = my_sprintf (buf, "%d", 12345);
99 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
102 /* Test support of size specifiers as in C99. */
107 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
108 ASSERT (strcmp (result, "12345671 33") == 0);
109 ASSERT (retval == strlen (result));
115 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
116 ASSERT (strcmp (result, "12345672 33") == 0);
117 ASSERT (retval == strlen (result));
123 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
124 ASSERT (strcmp (result, "12345673 33") == 0);
125 ASSERT (retval == strlen (result));
131 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
132 ASSERT (strcmp (result, "1.5 33") == 0);
133 ASSERT (retval == strlen (result));
136 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
137 output of floating-point numbers. */
139 { /* A positive number. */
142 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
143 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
144 || strcmp (result, "0x3.244p+0 33") == 0
145 || strcmp (result, "0x6.488p-1 33") == 0
146 || strcmp (result, "0xc.91p-2 33") == 0);
147 ASSERT (retval == strlen (result));
150 { /* A negative number. */
153 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
154 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
155 || strcmp (result, "-0X3.244P+0 33") == 0
156 || strcmp (result, "-0X6.488P-1 33") == 0
157 || strcmp (result, "-0XC.91P-2 33") == 0);
158 ASSERT (retval == strlen (result));
161 { /* Positive zero. */
164 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
165 ASSERT (strcmp (result, "0x0p+0 33") == 0);
166 ASSERT (retval == strlen (result));
169 { /* Negative zero. */
172 my_sprintf (result, "%a %d", -0.0, 33, 44, 55);
173 if (have_minus_zero ())
174 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
175 ASSERT (retval == strlen (result));
178 { /* Positive infinity. */
181 my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55);
182 ASSERT (strcmp (result, "inf 33") == 0);
183 ASSERT (retval == strlen (result));
186 { /* Negative infinity. */
189 my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55);
190 ASSERT (strcmp (result, "-inf 33") == 0);
191 ASSERT (retval == strlen (result));
197 my_sprintf (result, "%a %d", NaN (), 33, 44, 55);
198 ASSERT (strlen (result) >= 3 + 3
199 && strisnan (result, 0, strlen (result) - 3, 0)
200 && strcmp (result + strlen (result) - 3, " 33") == 0);
201 ASSERT (retval == strlen (result));
204 { /* Rounding near the decimal point. */
207 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
208 ASSERT (strcmp (result, "0x2p+0 33") == 0
209 || strcmp (result, "0x3p-1 33") == 0
210 || strcmp (result, "0x6p-2 33") == 0
211 || strcmp (result, "0xcp-3 33") == 0);
212 ASSERT (retval == strlen (result));
215 { /* Rounding with precision 0. */
218 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
219 ASSERT (strcmp (result, "0x2p+0 33") == 0
220 || strcmp (result, "0x3p-1 33") == 0
221 || strcmp (result, "0x6p-2 33") == 0
222 || strcmp (result, "0xcp-3 33") == 0);
223 ASSERT (retval == strlen (result));
226 { /* Rounding with precision 1. */
229 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
230 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
231 || strcmp (result, "0x3.0p-1 33") == 0
232 || strcmp (result, "0x6.1p-2 33") == 0
233 || strcmp (result, "0xc.1p-3 33") == 0);
234 ASSERT (retval == strlen (result));
237 { /* Rounding with precision 2. */
240 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
241 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
242 || strcmp (result, "0x3.05p-1 33") == 0
243 || strcmp (result, "0x6.0ap-2 33") == 0
244 || strcmp (result, "0xc.14p-3 33") == 0);
245 ASSERT (retval == strlen (result));
248 { /* Rounding with precision 3. */
251 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
252 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
253 || strcmp (result, "0x3.052p-1 33") == 0
254 || strcmp (result, "0x6.0a4p-2 33") == 0
255 || strcmp (result, "0xc.148p-3 33") == 0);
256 ASSERT (retval == strlen (result));
259 { /* Rounding can turn a ...FFF into a ...000. */
262 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
263 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
264 || strcmp (result, "0x3.000p-1 33") == 0
265 || strcmp (result, "0x6.000p-2 33") == 0
266 || strcmp (result, "0xc.000p-3 33") == 0);
267 ASSERT (retval == strlen (result));
270 { /* Rounding can turn a ...FFF into a ...000.
271 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
274 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
275 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
276 || strcmp (result, "0x2.0p+0 33") == 0
277 || strcmp (result, "0x4.0p-1 33") == 0
278 || strcmp (result, "0x8.0p-2 33") == 0);
279 ASSERT (retval == strlen (result));
285 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
286 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
287 || strcmp (result, " 0x3.8p-1 33") == 0
288 || strcmp (result, " 0x7p-2 33") == 0
289 || strcmp (result, " 0xep-3 33") == 0);
290 ASSERT (retval == strlen (result));
293 { /* Small precision. */
296 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
297 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
298 || strcmp (result, "0x3.8000000000p-1 33") == 0
299 || strcmp (result, "0x7.0000000000p-2 33") == 0
300 || strcmp (result, "0xe.0000000000p-3 33") == 0);
301 ASSERT (retval == strlen (result));
304 { /* Large precision. */
307 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
308 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
309 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
310 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
311 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
312 ASSERT (retval == strlen (result));
318 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
319 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
320 || strcmp (result, "0x3.8p-1 33") == 0
321 || strcmp (result, "0x7p-2 33") == 0
322 || strcmp (result, "0xep-3 33") == 0);
323 ASSERT (retval == strlen (result));
326 { /* FLAG_SHOWSIGN. */
329 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
330 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
331 || strcmp (result, "+0x3.8p-1 33") == 0
332 || strcmp (result, "+0x7p-2 33") == 0
333 || strcmp (result, "+0xep-3 33") == 0);
334 ASSERT (retval == strlen (result));
340 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
341 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
342 || strcmp (result, " 0x3.8p-1 33") == 0
343 || strcmp (result, " 0x7p-2 33") == 0
344 || strcmp (result, " 0xep-3 33") == 0);
345 ASSERT (retval == strlen (result));
351 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
352 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
353 || strcmp (result, "0x3.8p-1 33") == 0
354 || strcmp (result, "0x7.p-2 33") == 0
355 || strcmp (result, "0xe.p-3 33") == 0);
356 ASSERT (retval == strlen (result));
362 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
363 ASSERT (strcmp (result, "0x1.p+0 33") == 0
364 || strcmp (result, "0x2.p-1 33") == 0
365 || strcmp (result, "0x4.p-2 33") == 0
366 || strcmp (result, "0x8.p-3 33") == 0);
367 ASSERT (retval == strlen (result));
370 { /* FLAG_ZERO with finite number. */
373 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
374 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
375 || strcmp (result, "0x003.8p-1 33") == 0
376 || strcmp (result, "0x00007p-2 33") == 0
377 || strcmp (result, "0x0000ep-3 33") == 0);
378 ASSERT (retval == strlen (result));
381 { /* FLAG_ZERO with infinite number. */
384 my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
385 /* "0000000inf 33" is not a valid result; see
386 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
387 ASSERT (strcmp (result, " inf 33") == 0);
388 ASSERT (retval == strlen (result));
391 { /* FLAG_ZERO with NaN. */
394 my_sprintf (result, "%050a %d", NaN (), 33, 44, 55);
395 /* "0000000nan 33" is not a valid result; see
396 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
397 ASSERT (strlen (result) == 50 + 3
398 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
399 && strcmp (result + strlen (result) - 3, " 33") == 0);
400 ASSERT (retval == strlen (result));
403 { /* A positive number. */
406 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
407 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
408 || strcmp (result, "0x3.244p+0 33") == 0
409 || strcmp (result, "0x6.488p-1 33") == 0
410 || strcmp (result, "0xc.91p-2 33") == 0);
411 ASSERT (retval == strlen (result));
414 { /* A negative number. */
417 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
418 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
419 || strcmp (result, "-0X3.244P+0 33") == 0
420 || strcmp (result, "-0X6.488P-1 33") == 0
421 || strcmp (result, "-0XC.91P-2 33") == 0);
422 ASSERT (retval == strlen (result));
425 { /* Positive zero. */
428 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
429 ASSERT (strcmp (result, "0x0p+0 33") == 0);
430 ASSERT (retval == strlen (result));
433 { /* Negative zero. */
436 my_sprintf (result, "%La %d", -0.0L, 33, 44, 55);
437 if (have_minus_zero ())
438 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
439 ASSERT (retval == strlen (result));
442 { /* Positive infinity. */
445 my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
446 ASSERT (strcmp (result, "inf 33") == 0);
447 ASSERT (retval == strlen (result));
450 { /* Negative infinity. */
453 my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
454 ASSERT (strcmp (result, "-inf 33") == 0);
455 ASSERT (retval == strlen (result));
461 my_sprintf (result, "%La %d", 0.0L / 0.0L, 33, 44, 55);
462 ASSERT (strlen (result) >= 3 + 3
463 && strisnan (result, 0, strlen (result) - 3, 0)
464 && strcmp (result + strlen (result) - 3, " 33") == 0);
465 ASSERT (retval == strlen (result));
467 #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_))
469 static union { unsigned int word[4]; long double value; } x =
470 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
473 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
474 ASSERT (strlen (result) >= 3 + 3
475 && strisnan (result, 0, strlen (result) - 3, 0)
476 && strcmp (result + strlen (result) - 3, " 33") == 0);
477 ASSERT (retval == strlen (result));
480 /* Signalling NaN. */
481 static union { unsigned int word[4]; long double value; } x =
482 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
485 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
486 ASSERT (strlen (result) >= 3 + 3
487 && strisnan (result, 0, strlen (result) - 3, 0)
488 && strcmp (result + strlen (result) - 3, " 33") == 0);
489 ASSERT (retval == strlen (result));
491 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
492 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
493 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
494 Application Architecture.
495 Table 5-2 "Floating-Point Register Encodings"
496 Figure 5-6 "Memory to Floating-Point Register Data Translation"
499 static union { unsigned int word[4]; long double value; } x =
500 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
503 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
504 ASSERT (strlen (result) >= 3 + 3
505 && strisnan (result, 0, strlen (result) - 3, 0)
506 && strcmp (result + strlen (result) - 3, " 33") == 0);
507 ASSERT (retval == strlen (result));
509 { /* Pseudo-Infinity. */
510 static union { unsigned int word[4]; long double value; } x =
511 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
514 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
515 ASSERT (strlen (result) >= 3 + 3
516 && strisnan (result, 0, strlen (result) - 3, 0)
517 && strcmp (result + strlen (result) - 3, " 33") == 0);
518 ASSERT (retval == strlen (result));
521 static union { unsigned int word[4]; long double value; } x =
522 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
525 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
526 ASSERT (strlen (result) >= 3 + 3
527 && strisnan (result, 0, strlen (result) - 3, 0)
528 && strcmp (result + strlen (result) - 3, " 33") == 0);
529 ASSERT (retval == strlen (result));
531 { /* Unnormalized number. */
532 static union { unsigned int word[4]; long double value; } x =
533 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
536 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
537 ASSERT (strlen (result) >= 3 + 3
538 && strisnan (result, 0, strlen (result) - 3, 0)
539 && strcmp (result + strlen (result) - 3, " 33") == 0);
540 ASSERT (retval == strlen (result));
542 { /* Pseudo-Denormal. */
543 static union { unsigned int word[4]; long double value; } x =
544 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
547 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
548 ASSERT (strlen (result) >= 3 + 3
549 && strisnan (result, 0, strlen (result) - 3, 0)
550 && strcmp (result + strlen (result) - 3, " 33") == 0);
551 ASSERT (retval == strlen (result));
555 { /* Rounding near the decimal point. */
558 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
559 ASSERT (strcmp (result, "0x2p+0 33") == 0
560 || strcmp (result, "0x3p-1 33") == 0
561 || strcmp (result, "0x6p-2 33") == 0
562 || strcmp (result, "0xcp-3 33") == 0);
563 ASSERT (retval == strlen (result));
566 { /* Rounding with precision 0. */
569 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
570 ASSERT (strcmp (result, "0x2p+0 33") == 0
571 || strcmp (result, "0x3p-1 33") == 0
572 || strcmp (result, "0x6p-2 33") == 0
573 || strcmp (result, "0xcp-3 33") == 0);
574 ASSERT (retval == strlen (result));
577 { /* Rounding with precision 1. */
580 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
581 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
582 || strcmp (result, "0x3.0p-1 33") == 0
583 || strcmp (result, "0x6.1p-2 33") == 0
584 || strcmp (result, "0xc.1p-3 33") == 0);
585 ASSERT (retval == strlen (result));
588 { /* Rounding with precision 2. */
591 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
592 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
593 || strcmp (result, "0x3.05p-1 33") == 0
594 || strcmp (result, "0x6.0ap-2 33") == 0
595 || strcmp (result, "0xc.14p-3 33") == 0);
596 ASSERT (retval == strlen (result));
599 { /* Rounding with precision 3. */
602 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
603 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
604 || strcmp (result, "0x3.052p-1 33") == 0
605 || strcmp (result, "0x6.0a4p-2 33") == 0
606 || strcmp (result, "0xc.148p-3 33") == 0);
607 ASSERT (retval == strlen (result));
610 { /* Rounding can turn a ...FFF into a ...000. */
613 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
614 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
615 || strcmp (result, "0x3.000p-1 33") == 0
616 || strcmp (result, "0x6.000p-2 33") == 0
617 || strcmp (result, "0xc.000p-3 33") == 0);
618 ASSERT (retval == strlen (result));
621 { /* Rounding can turn a ...FFF into a ...000.
622 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
623 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
626 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
627 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
628 || strcmp (result, "0x2.0p+0 33") == 0
629 || strcmp (result, "0x4.0p-1 33") == 0
630 || strcmp (result, "0x8.0p-2 33") == 0);
631 ASSERT (retval == strlen (result));
637 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
638 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
639 || strcmp (result, " 0x3.8p-1 33") == 0
640 || strcmp (result, " 0x7p-2 33") == 0
641 || strcmp (result, " 0xep-3 33") == 0);
642 ASSERT (retval == strlen (result));
645 { /* Small precision. */
648 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
649 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
650 || strcmp (result, "0x3.8000000000p-1 33") == 0
651 || strcmp (result, "0x7.0000000000p-2 33") == 0
652 || strcmp (result, "0xe.0000000000p-3 33") == 0);
653 ASSERT (retval == strlen (result));
656 { /* Large precision. */
659 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
660 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
661 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
662 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
663 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
664 ASSERT (retval == strlen (result));
670 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
671 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
672 || strcmp (result, "0x3.8p-1 33") == 0
673 || strcmp (result, "0x7p-2 33") == 0
674 || strcmp (result, "0xep-3 33") == 0);
675 ASSERT (retval == strlen (result));
678 { /* FLAG_SHOWSIGN. */
681 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
682 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
683 || strcmp (result, "+0x3.8p-1 33") == 0
684 || strcmp (result, "+0x7p-2 33") == 0
685 || strcmp (result, "+0xep-3 33") == 0);
686 ASSERT (retval == strlen (result));
692 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
693 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
694 || strcmp (result, " 0x3.8p-1 33") == 0
695 || strcmp (result, " 0x7p-2 33") == 0
696 || strcmp (result, " 0xep-3 33") == 0);
697 ASSERT (retval == strlen (result));
703 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
704 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
705 || strcmp (result, "0x3.8p-1 33") == 0
706 || strcmp (result, "0x7.p-2 33") == 0
707 || strcmp (result, "0xe.p-3 33") == 0);
708 ASSERT (retval == strlen (result));
714 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
715 ASSERT (strcmp (result, "0x1.p+0 33") == 0
716 || strcmp (result, "0x2.p-1 33") == 0
717 || strcmp (result, "0x4.p-2 33") == 0
718 || strcmp (result, "0x8.p-3 33") == 0);
719 ASSERT (retval == strlen (result));
722 { /* FLAG_ZERO with finite number. */
725 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
726 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
727 || strcmp (result, "0x003.8p-1 33") == 0
728 || strcmp (result, "0x00007p-2 33") == 0
729 || strcmp (result, "0x0000ep-3 33") == 0);
730 ASSERT (retval == strlen (result));
733 { /* FLAG_ZERO with infinite number. */
736 my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
737 /* "0000000inf 33" is not a valid result; see
738 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
739 ASSERT (strcmp (result, " inf 33") == 0);
740 ASSERT (retval == strlen (result));
743 { /* FLAG_ZERO with NaN. */
746 my_sprintf (result, "%050La %d", 0.0L / 0.0L, 33, 44, 55);
747 /* "0000000nan 33" is not a valid result; see
748 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
749 ASSERT (strlen (result) == 50 + 3
750 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
751 && strcmp (result + strlen (result) - 3, " 33") == 0);
752 ASSERT (retval == strlen (result));
755 /* Test the support of the %f format directive. */
757 { /* A positive number. */
760 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
761 ASSERT (strcmp (result, "12.750000 33") == 0);
762 ASSERT (retval == strlen (result));
765 { /* A larger positive number. */
768 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
769 ASSERT (strcmp (result, "1234567.000000 33") == 0);
770 ASSERT (retval == strlen (result));
773 { /* Small and large positive numbers. */
774 static struct { double value; const char *string; } data[] =
776 { 1.234321234321234e-37, "0.000000" },
777 { 1.234321234321234e-36, "0.000000" },
778 { 1.234321234321234e-35, "0.000000" },
779 { 1.234321234321234e-34, "0.000000" },
780 { 1.234321234321234e-33, "0.000000" },
781 { 1.234321234321234e-32, "0.000000" },
782 { 1.234321234321234e-31, "0.000000" },
783 { 1.234321234321234e-30, "0.000000" },
784 { 1.234321234321234e-29, "0.000000" },
785 { 1.234321234321234e-28, "0.000000" },
786 { 1.234321234321234e-27, "0.000000" },
787 { 1.234321234321234e-26, "0.000000" },
788 { 1.234321234321234e-25, "0.000000" },
789 { 1.234321234321234e-24, "0.000000" },
790 { 1.234321234321234e-23, "0.000000" },
791 { 1.234321234321234e-22, "0.000000" },
792 { 1.234321234321234e-21, "0.000000" },
793 { 1.234321234321234e-20, "0.000000" },
794 { 1.234321234321234e-19, "0.000000" },
795 { 1.234321234321234e-18, "0.000000" },
796 { 1.234321234321234e-17, "0.000000" },
797 { 1.234321234321234e-16, "0.000000" },
798 { 1.234321234321234e-15, "0.000000" },
799 { 1.234321234321234e-14, "0.000000" },
800 { 1.234321234321234e-13, "0.000000" },
801 { 1.234321234321234e-12, "0.000000" },
802 { 1.234321234321234e-11, "0.000000" },
803 { 1.234321234321234e-10, "0.000000" },
804 { 1.234321234321234e-9, "0.000000" },
805 { 1.234321234321234e-8, "0.000000" },
806 { 1.234321234321234e-7, "0.000000" },
807 { 1.234321234321234e-6, "0.000001" },
808 { 1.234321234321234e-5, "0.000012" },
809 { 1.234321234321234e-4, "0.000123" },
810 { 1.234321234321234e-3, "0.001234" },
811 { 1.234321234321234e-2, "0.012343" },
812 { 1.234321234321234e-1, "0.123432" },
813 { 1.234321234321234, "1.234321" },
814 { 1.234321234321234e1, "12.343212" },
815 { 1.234321234321234e2, "123.432123" },
816 { 1.234321234321234e3, "1234.321234" },
817 { 1.234321234321234e4, "12343.212343" },
818 { 1.234321234321234e5, "123432.123432" },
819 { 1.234321234321234e6, "1234321.234321" },
820 { 1.234321234321234e7, "12343212.343212" },
821 { 1.234321234321234e8, "123432123.432123" },
822 { 1.234321234321234e9, "1234321234.321234" },
823 { 1.234321234321234e10, "12343212343.2123**" },
824 { 1.234321234321234e11, "123432123432.123***" },
825 { 1.234321234321234e12, "1234321234321.23****" },
826 { 1.234321234321234e13, "12343212343212.3*****" },
827 { 1.234321234321234e14, "123432123432123.******" },
828 { 1.234321234321234e15, "1234321234321234.000000" },
829 { 1.234321234321234e16, "123432123432123**.000000" },
830 { 1.234321234321234e17, "123432123432123***.000000" },
831 { 1.234321234321234e18, "123432123432123****.000000" },
832 { 1.234321234321234e19, "123432123432123*****.000000" },
833 { 1.234321234321234e20, "123432123432123******.000000" },
834 { 1.234321234321234e21, "123432123432123*******.000000" },
835 { 1.234321234321234e22, "123432123432123********.000000" },
836 { 1.234321234321234e23, "123432123432123*********.000000" },
837 { 1.234321234321234e24, "123432123432123**********.000000" },
838 { 1.234321234321234e25, "123432123432123***********.000000" },
839 { 1.234321234321234e26, "123432123432123************.000000" },
840 { 1.234321234321234e27, "123432123432123*************.000000" },
841 { 1.234321234321234e28, "123432123432123**************.000000" },
842 { 1.234321234321234e29, "123432123432123***************.000000" },
843 { 1.234321234321234e30, "123432123432123****************.000000" },
844 { 1.234321234321234e31, "123432123432123*****************.000000" },
845 { 1.234321234321234e32, "123432123432123******************.000000" },
846 { 1.234321234321234e33, "123432123432123*******************.000000" },
847 { 1.234321234321234e34, "123432123432123********************.000000" },
848 { 1.234321234321234e35, "123432123432123*********************.000000" },
849 { 1.234321234321234e36, "123432123432123**********************.000000" }
852 for (k = 0; k < SIZEOF (data); k++)
856 my_sprintf (result, "%f", data[k].value);
857 ASSERT (strmatch (data[k].string, result));
858 ASSERT (retval == strlen (result));
862 { /* A negative number. */
865 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
866 ASSERT (strcmp (result, "-0.031250 33") == 0);
867 ASSERT (retval == strlen (result));
870 { /* Positive zero. */
873 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
874 ASSERT (strcmp (result, "0.000000 33") == 0);
875 ASSERT (retval == strlen (result));
878 { /* Negative zero. */
881 my_sprintf (result, "%f %d", -0.0, 33, 44, 55);
882 if (have_minus_zero ())
883 ASSERT (strcmp (result, "-0.000000 33") == 0);
884 ASSERT (retval == strlen (result));
887 { /* Positive infinity. */
890 my_sprintf (result, "%f %d", 1.0 / 0.0, 33, 44, 55);
891 ASSERT (strcmp (result, "inf 33") == 0
892 || strcmp (result, "infinity 33") == 0);
893 ASSERT (retval == strlen (result));
896 { /* Negative infinity. */
899 my_sprintf (result, "%f %d", -1.0 / 0.0, 33, 44, 55);
900 ASSERT (strcmp (result, "-inf 33") == 0
901 || strcmp (result, "-infinity 33") == 0);
902 ASSERT (retval == strlen (result));
908 my_sprintf (result, "%f %d", NaN (), 33, 44, 55);
909 ASSERT (strlen (result) >= 3 + 3
910 && strisnan (result, 0, strlen (result) - 3, 0)
911 && strcmp (result + strlen (result) - 3, " 33") == 0);
912 ASSERT (retval == strlen (result));
918 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
919 ASSERT (strcmp (result, " 1.750000 33") == 0);
920 ASSERT (retval == strlen (result));
926 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
927 ASSERT (strcmp (result, "1.750000 33") == 0);
928 ASSERT (retval == strlen (result));
931 { /* FLAG_SHOWSIGN. */
934 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
935 ASSERT (strcmp (result, "+1.750000 33") == 0);
936 ASSERT (retval == strlen (result));
942 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
943 ASSERT (strcmp (result, " 1.750000 33") == 0);
944 ASSERT (retval == strlen (result));
950 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
951 ASSERT (strcmp (result, "1.750000 33") == 0);
952 ASSERT (retval == strlen (result));
958 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
959 ASSERT (strcmp (result, "2. 33") == 0);
960 ASSERT (retval == strlen (result));
963 { /* FLAG_ZERO with finite number. */
966 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
967 ASSERT (strcmp (result, "00001234.000000 33") == 0);
968 ASSERT (retval == strlen (result));
971 { /* FLAG_ZERO with infinite number. */
974 my_sprintf (result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
975 ASSERT (strcmp (result, " -inf 33") == 0
976 || strcmp (result, " -infinity 33") == 0);
977 ASSERT (retval == strlen (result));
980 { /* FLAG_ZERO with NaN. */
983 my_sprintf (result, "%050f %d", NaN (), 33, 44, 55);
984 ASSERT (strlen (result) == 50 + 3
985 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
986 && strcmp (result + strlen (result) - 3, " 33") == 0);
987 ASSERT (retval == strlen (result));
993 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
994 ASSERT (strcmp (result, "1234 33") == 0);
995 ASSERT (retval == strlen (result));
998 { /* A positive number. */
1001 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
1002 ASSERT (strcmp (result, "12.750000 33") == 0);
1003 ASSERT (retval == strlen (result));
1006 { /* A larger positive number. */
1009 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1010 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1011 ASSERT (retval == strlen (result));
1014 { /* Small and large positive numbers. */
1015 static struct { long double value; const char *string; } data[] =
1017 { 1.234321234321234e-37L, "0.000000" },
1018 { 1.234321234321234e-36L, "0.000000" },
1019 { 1.234321234321234e-35L, "0.000000" },
1020 { 1.234321234321234e-34L, "0.000000" },
1021 { 1.234321234321234e-33L, "0.000000" },
1022 { 1.234321234321234e-32L, "0.000000" },
1023 { 1.234321234321234e-31L, "0.000000" },
1024 { 1.234321234321234e-30L, "0.000000" },
1025 { 1.234321234321234e-29L, "0.000000" },
1026 { 1.234321234321234e-28L, "0.000000" },
1027 { 1.234321234321234e-27L, "0.000000" },
1028 { 1.234321234321234e-26L, "0.000000" },
1029 { 1.234321234321234e-25L, "0.000000" },
1030 { 1.234321234321234e-24L, "0.000000" },
1031 { 1.234321234321234e-23L, "0.000000" },
1032 { 1.234321234321234e-22L, "0.000000" },
1033 { 1.234321234321234e-21L, "0.000000" },
1034 { 1.234321234321234e-20L, "0.000000" },
1035 { 1.234321234321234e-19L, "0.000000" },
1036 { 1.234321234321234e-18L, "0.000000" },
1037 { 1.234321234321234e-17L, "0.000000" },
1038 { 1.234321234321234e-16L, "0.000000" },
1039 { 1.234321234321234e-15L, "0.000000" },
1040 { 1.234321234321234e-14L, "0.000000" },
1041 { 1.234321234321234e-13L, "0.000000" },
1042 { 1.234321234321234e-12L, "0.000000" },
1043 { 1.234321234321234e-11L, "0.000000" },
1044 { 1.234321234321234e-10L, "0.000000" },
1045 { 1.234321234321234e-9L, "0.000000" },
1046 { 1.234321234321234e-8L, "0.000000" },
1047 { 1.234321234321234e-7L, "0.000000" },
1048 { 1.234321234321234e-6L, "0.000001" },
1049 { 1.234321234321234e-5L, "0.000012" },
1050 { 1.234321234321234e-4L, "0.000123" },
1051 { 1.234321234321234e-3L, "0.001234" },
1052 { 1.234321234321234e-2L, "0.012343" },
1053 { 1.234321234321234e-1L, "0.123432" },
1054 { 1.234321234321234L, "1.234321" },
1055 { 1.234321234321234e1L, "12.343212" },
1056 { 1.234321234321234e2L, "123.432123" },
1057 { 1.234321234321234e3L, "1234.321234" },
1058 { 1.234321234321234e4L, "12343.212343" },
1059 { 1.234321234321234e5L, "123432.123432" },
1060 { 1.234321234321234e6L, "1234321.234321" },
1061 { 1.234321234321234e7L, "12343212.343212" },
1062 { 1.234321234321234e8L, "123432123.432123" },
1063 { 1.234321234321234e9L, "1234321234.321234" },
1064 { 1.234321234321234e10L, "12343212343.2123**" },
1065 { 1.234321234321234e11L, "123432123432.123***" },
1066 { 1.234321234321234e12L, "1234321234321.23****" },
1067 { 1.234321234321234e13L, "12343212343212.3*****" },
1068 { 1.234321234321234e14L, "123432123432123.******" },
1069 { 1.234321234321234e15L, "1234321234321234.000000" },
1070 { 1.234321234321234e16L, "123432123432123**.000000" },
1071 { 1.234321234321234e17L, "123432123432123***.000000" },
1072 { 1.234321234321234e18L, "123432123432123****.000000" },
1073 { 1.234321234321234e19L, "123432123432123*****.000000" },
1074 { 1.234321234321234e20L, "123432123432123******.000000" },
1075 { 1.234321234321234e21L, "123432123432123*******.000000" },
1076 { 1.234321234321234e22L, "123432123432123********.000000" },
1077 { 1.234321234321234e23L, "123432123432123*********.000000" },
1078 { 1.234321234321234e24L, "123432123432123**********.000000" },
1079 { 1.234321234321234e25L, "123432123432123***********.000000" },
1080 { 1.234321234321234e26L, "123432123432123************.000000" },
1081 { 1.234321234321234e27L, "123432123432123*************.000000" },
1082 { 1.234321234321234e28L, "123432123432123**************.000000" },
1083 { 1.234321234321234e29L, "123432123432123***************.000000" },
1084 { 1.234321234321234e30L, "123432123432123****************.000000" },
1085 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1086 { 1.234321234321234e32L, "123432123432123******************.000000" },
1087 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1088 { 1.234321234321234e34L, "123432123432123********************.000000" },
1089 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1090 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1093 for (k = 0; k < SIZEOF (data); k++)
1097 my_sprintf (result, "%Lf", data[k].value);
1098 ASSERT (strmatch (data[k].string, result));
1099 ASSERT (retval == strlen (result));
1103 { /* A negative number. */
1106 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1107 ASSERT (strcmp (result, "-0.031250 33") == 0);
1108 ASSERT (retval == strlen (result));
1111 { /* Positive zero. */
1114 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1115 ASSERT (strcmp (result, "0.000000 33") == 0);
1116 ASSERT (retval == strlen (result));
1119 { /* Negative zero. */
1122 my_sprintf (result, "%Lf %d", -0.0L, 33, 44, 55);
1123 if (have_minus_zero ())
1124 ASSERT (strcmp (result, "-0.000000 33") == 0);
1125 ASSERT (retval == strlen (result));
1128 { /* Positive infinity. */
1131 my_sprintf (result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1132 ASSERT (strcmp (result, "inf 33") == 0
1133 || strcmp (result, "infinity 33") == 0);
1134 ASSERT (retval == strlen (result));
1137 { /* Negative infinity. */
1140 my_sprintf (result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1141 ASSERT (strcmp (result, "-inf 33") == 0
1142 || strcmp (result, "-infinity 33") == 0);
1143 ASSERT (retval == strlen (result));
1147 static long double zero = 0.0L;
1150 my_sprintf (result, "%Lf %d", zero / zero, 33, 44, 55);
1151 ASSERT (strlen (result) >= 3 + 3
1152 && strisnan (result, 0, strlen (result) - 3, 0)
1153 && strcmp (result + strlen (result) - 3, " 33") == 0);
1154 ASSERT (retval == strlen (result));
1156 #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_))
1158 static union { unsigned int word[4]; long double value; } x =
1159 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1162 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1163 ASSERT (strlen (result) >= 3 + 3
1164 && strisnan (result, 0, strlen (result) - 3, 0)
1165 && strcmp (result + strlen (result) - 3, " 33") == 0);
1166 ASSERT (retval == strlen (result));
1169 /* Signalling NaN. */
1170 static union { unsigned int word[4]; long double value; } x =
1171 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1174 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1175 ASSERT (strlen (result) >= 3 + 3
1176 && strisnan (result, 0, strlen (result) - 3, 0)
1177 && strcmp (result + strlen (result) - 3, " 33") == 0);
1178 ASSERT (retval == strlen (result));
1180 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1181 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1182 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1183 Application Architecture.
1184 Table 5-2 "Floating-Point Register Encodings"
1185 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1188 static union { unsigned int word[4]; long double value; } x =
1189 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1192 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1193 ASSERT (strlen (result) >= 3 + 3
1194 && strisnan (result, 0, strlen (result) - 3, 0)
1195 && strcmp (result + strlen (result) - 3, " 33") == 0);
1196 ASSERT (retval == strlen (result));
1198 { /* Pseudo-Infinity. */
1199 static union { unsigned int word[4]; long double value; } x =
1200 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1203 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1204 ASSERT (strlen (result) >= 3 + 3
1205 && strisnan (result, 0, strlen (result) - 3, 0)
1206 && strcmp (result + strlen (result) - 3, " 33") == 0);
1207 ASSERT (retval == strlen (result));
1209 { /* Pseudo-Zero. */
1210 static union { unsigned int word[4]; long double value; } x =
1211 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1214 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1215 ASSERT (strlen (result) >= 3 + 3
1216 && strisnan (result, 0, strlen (result) - 3, 0)
1217 && strcmp (result + strlen (result) - 3, " 33") == 0);
1218 ASSERT (retval == strlen (result));
1220 { /* Unnormalized number. */
1221 static union { unsigned int word[4]; long double value; } x =
1222 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1225 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1226 ASSERT (strlen (result) >= 3 + 3
1227 && strisnan (result, 0, strlen (result) - 3, 0)
1228 && strcmp (result + strlen (result) - 3, " 33") == 0);
1229 ASSERT (retval == strlen (result));
1231 { /* Pseudo-Denormal. */
1232 static union { unsigned int word[4]; long double value; } x =
1233 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1236 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1237 ASSERT (strlen (result) >= 3 + 3
1238 && strisnan (result, 0, strlen (result) - 3, 0)
1239 && strcmp (result + strlen (result) - 3, " 33") == 0);
1240 ASSERT (retval == strlen (result));
1247 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1248 ASSERT (strcmp (result, " 1.750000 33") == 0);
1249 ASSERT (retval == strlen (result));
1255 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1256 ASSERT (strcmp (result, "1.750000 33") == 0);
1257 ASSERT (retval == strlen (result));
1260 { /* FLAG_SHOWSIGN. */
1263 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1264 ASSERT (strcmp (result, "+1.750000 33") == 0);
1265 ASSERT (retval == strlen (result));
1271 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1272 ASSERT (strcmp (result, " 1.750000 33") == 0);
1273 ASSERT (retval == strlen (result));
1279 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1280 ASSERT (strcmp (result, "1.750000 33") == 0);
1281 ASSERT (retval == strlen (result));
1287 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1288 ASSERT (strcmp (result, "2. 33") == 0);
1289 ASSERT (retval == strlen (result));
1292 { /* FLAG_ZERO with finite number. */
1295 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1296 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1297 ASSERT (retval == strlen (result));
1300 { /* FLAG_ZERO with infinite number. */
1303 my_sprintf (result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1304 ASSERT (strcmp (result, " -inf 33") == 0
1305 || strcmp (result, " -infinity 33") == 0);
1306 ASSERT (retval == strlen (result));
1309 { /* FLAG_ZERO with NaN. */
1310 static long double zero = 0.0L;
1313 my_sprintf (result, "%050Lf %d", zero / zero, 33, 44, 55);
1314 ASSERT (strlen (result) == 50 + 3
1315 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1316 && strcmp (result + strlen (result) - 3, " 33") == 0);
1317 ASSERT (retval == strlen (result));
1323 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1324 ASSERT (strcmp (result, "1234 33") == 0);
1325 ASSERT (retval == strlen (result));
1328 /* Test the support of the %F format directive. */
1330 { /* A positive number. */
1333 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1334 ASSERT (strcmp (result, "12.750000 33") == 0);
1335 ASSERT (retval == strlen (result));
1338 { /* A larger positive number. */
1341 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1342 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1343 ASSERT (retval == strlen (result));
1346 { /* A negative number. */
1349 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1350 ASSERT (strcmp (result, "-0.031250 33") == 0);
1351 ASSERT (retval == strlen (result));
1354 { /* Positive zero. */
1357 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1358 ASSERT (strcmp (result, "0.000000 33") == 0);
1359 ASSERT (retval == strlen (result));
1362 { /* Negative zero. */
1365 my_sprintf (result, "%F %d", -0.0, 33, 44, 55);
1366 if (have_minus_zero ())
1367 ASSERT (strcmp (result, "-0.000000 33") == 0);
1368 ASSERT (retval == strlen (result));
1371 { /* Positive infinity. */
1374 my_sprintf (result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1375 ASSERT (strcmp (result, "INF 33") == 0
1376 || strcmp (result, "INFINITY 33") == 0);
1377 ASSERT (retval == strlen (result));
1380 { /* Negative infinity. */
1383 my_sprintf (result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1384 ASSERT (strcmp (result, "-INF 33") == 0
1385 || strcmp (result, "-INFINITY 33") == 0);
1386 ASSERT (retval == strlen (result));
1392 my_sprintf (result, "%F %d", NaN (), 33, 44, 55);
1393 ASSERT (strlen (result) >= 3 + 3
1394 && strisnan (result, 0, strlen (result) - 3, 1)
1395 && strcmp (result + strlen (result) - 3, " 33") == 0);
1396 ASSERT (retval == strlen (result));
1402 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1403 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1404 ASSERT (retval == strlen (result));
1407 { /* FLAG_ZERO with infinite number. */
1410 my_sprintf (result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1411 ASSERT (strcmp (result, " -INF 33") == 0
1412 || strcmp (result, " -INFINITY 33") == 0);
1413 ASSERT (retval == strlen (result));
1419 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1420 ASSERT (strcmp (result, "1234 33") == 0);
1421 ASSERT (retval == strlen (result));
1424 { /* A positive number. */
1427 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1428 ASSERT (strcmp (result, "12.750000 33") == 0);
1429 ASSERT (retval == strlen (result));
1432 { /* A larger positive number. */
1435 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1436 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1437 ASSERT (retval == strlen (result));
1440 { /* A negative number. */
1443 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1444 ASSERT (strcmp (result, "-0.031250 33") == 0);
1445 ASSERT (retval == strlen (result));
1448 { /* Positive zero. */
1451 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1452 ASSERT (strcmp (result, "0.000000 33") == 0);
1453 ASSERT (retval == strlen (result));
1456 { /* Negative zero. */
1459 my_sprintf (result, "%LF %d", -0.0L, 33, 44, 55);
1460 if (have_minus_zero ())
1461 ASSERT (strcmp (result, "-0.000000 33") == 0);
1462 ASSERT (retval == strlen (result));
1465 { /* Positive infinity. */
1468 my_sprintf (result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1469 ASSERT (strcmp (result, "INF 33") == 0
1470 || strcmp (result, "INFINITY 33") == 0);
1471 ASSERT (retval == strlen (result));
1474 { /* Negative infinity. */
1477 my_sprintf (result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1478 ASSERT (strcmp (result, "-INF 33") == 0
1479 || strcmp (result, "-INFINITY 33") == 0);
1480 ASSERT (retval == strlen (result));
1484 static long double zero = 0.0L;
1487 my_sprintf (result, "%LF %d", zero / zero, 33, 44, 55);
1488 ASSERT (strlen (result) >= 3 + 3
1489 && strisnan (result, 0, strlen (result) - 3, 1)
1490 && strcmp (result + strlen (result) - 3, " 33") == 0);
1491 ASSERT (retval == strlen (result));
1497 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1498 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1499 ASSERT (retval == strlen (result));
1502 { /* FLAG_ZERO with infinite number. */
1505 my_sprintf (result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1506 ASSERT (strcmp (result, " -INF 33") == 0
1507 || strcmp (result, " -INFINITY 33") == 0);
1508 ASSERT (retval == strlen (result));
1514 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1515 ASSERT (strcmp (result, "1234 33") == 0);
1516 ASSERT (retval == strlen (result));
1519 /* Test the support of the %e format directive. */
1521 { /* A positive number. */
1524 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1525 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1526 || strcmp (result, "1.275000e+001 33") == 0);
1527 ASSERT (retval == strlen (result));
1530 { /* A larger positive number. */
1533 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1534 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1535 || strcmp (result, "1.234567e+006 33") == 0);
1536 ASSERT (retval == strlen (result));
1539 { /* Small and large positive numbers. */
1540 static struct { double value; const char *string; } data[] =
1542 { 1.234321234321234e-37, "1.234321e-37" },
1543 { 1.234321234321234e-36, "1.234321e-36" },
1544 { 1.234321234321234e-35, "1.234321e-35" },
1545 { 1.234321234321234e-34, "1.234321e-34" },
1546 { 1.234321234321234e-33, "1.234321e-33" },
1547 { 1.234321234321234e-32, "1.234321e-32" },
1548 { 1.234321234321234e-31, "1.234321e-31" },
1549 { 1.234321234321234e-30, "1.234321e-30" },
1550 { 1.234321234321234e-29, "1.234321e-29" },
1551 { 1.234321234321234e-28, "1.234321e-28" },
1552 { 1.234321234321234e-27, "1.234321e-27" },
1553 { 1.234321234321234e-26, "1.234321e-26" },
1554 { 1.234321234321234e-25, "1.234321e-25" },
1555 { 1.234321234321234e-24, "1.234321e-24" },
1556 { 1.234321234321234e-23, "1.234321e-23" },
1557 { 1.234321234321234e-22, "1.234321e-22" },
1558 { 1.234321234321234e-21, "1.234321e-21" },
1559 { 1.234321234321234e-20, "1.234321e-20" },
1560 { 1.234321234321234e-19, "1.234321e-19" },
1561 { 1.234321234321234e-18, "1.234321e-18" },
1562 { 1.234321234321234e-17, "1.234321e-17" },
1563 { 1.234321234321234e-16, "1.234321e-16" },
1564 { 1.234321234321234e-15, "1.234321e-15" },
1565 { 1.234321234321234e-14, "1.234321e-14" },
1566 { 1.234321234321234e-13, "1.234321e-13" },
1567 { 1.234321234321234e-12, "1.234321e-12" },
1568 { 1.234321234321234e-11, "1.234321e-11" },
1569 { 1.234321234321234e-10, "1.234321e-10" },
1570 { 1.234321234321234e-9, "1.234321e-09" },
1571 { 1.234321234321234e-8, "1.234321e-08" },
1572 { 1.234321234321234e-7, "1.234321e-07" },
1573 { 1.234321234321234e-6, "1.234321e-06" },
1574 { 1.234321234321234e-5, "1.234321e-05" },
1575 { 1.234321234321234e-4, "1.234321e-04" },
1576 { 1.234321234321234e-3, "1.234321e-03" },
1577 { 1.234321234321234e-2, "1.234321e-02" },
1578 { 1.234321234321234e-1, "1.234321e-01" },
1579 { 1.234321234321234, "1.234321e+00" },
1580 { 1.234321234321234e1, "1.234321e+01" },
1581 { 1.234321234321234e2, "1.234321e+02" },
1582 { 1.234321234321234e3, "1.234321e+03" },
1583 { 1.234321234321234e4, "1.234321e+04" },
1584 { 1.234321234321234e5, "1.234321e+05" },
1585 { 1.234321234321234e6, "1.234321e+06" },
1586 { 1.234321234321234e7, "1.234321e+07" },
1587 { 1.234321234321234e8, "1.234321e+08" },
1588 { 1.234321234321234e9, "1.234321e+09" },
1589 { 1.234321234321234e10, "1.234321e+10" },
1590 { 1.234321234321234e11, "1.234321e+11" },
1591 { 1.234321234321234e12, "1.234321e+12" },
1592 { 1.234321234321234e13, "1.234321e+13" },
1593 { 1.234321234321234e14, "1.234321e+14" },
1594 { 1.234321234321234e15, "1.234321e+15" },
1595 { 1.234321234321234e16, "1.234321e+16" },
1596 { 1.234321234321234e17, "1.234321e+17" },
1597 { 1.234321234321234e18, "1.234321e+18" },
1598 { 1.234321234321234e19, "1.234321e+19" },
1599 { 1.234321234321234e20, "1.234321e+20" },
1600 { 1.234321234321234e21, "1.234321e+21" },
1601 { 1.234321234321234e22, "1.234321e+22" },
1602 { 1.234321234321234e23, "1.234321e+23" },
1603 { 1.234321234321234e24, "1.234321e+24" },
1604 { 1.234321234321234e25, "1.234321e+25" },
1605 { 1.234321234321234e26, "1.234321e+26" },
1606 { 1.234321234321234e27, "1.234321e+27" },
1607 { 1.234321234321234e28, "1.234321e+28" },
1608 { 1.234321234321234e29, "1.234321e+29" },
1609 { 1.234321234321234e30, "1.234321e+30" },
1610 { 1.234321234321234e31, "1.234321e+31" },
1611 { 1.234321234321234e32, "1.234321e+32" },
1612 { 1.234321234321234e33, "1.234321e+33" },
1613 { 1.234321234321234e34, "1.234321e+34" },
1614 { 1.234321234321234e35, "1.234321e+35" },
1615 { 1.234321234321234e36, "1.234321e+36" }
1618 for (k = 0; k < SIZEOF (data); k++)
1622 my_sprintf (result, "%e", data[k].value);
1623 const char *expected = data[k].string;
1624 ASSERT (result != NULL);
1625 ASSERT (strcmp (result, expected) == 0
1626 /* Some implementations produce exponents with 3 digits. */
1627 || (strlen (result) == strlen (expected) + 1
1628 && memcmp (result, expected, strlen (expected) - 2) == 0
1629 && result[strlen (expected) - 2] == '0'
1630 && strcmp (result + strlen (expected) - 1,
1631 expected + strlen (expected) - 2)
1633 ASSERT (retval == strlen (result));
1637 { /* A negative number. */
1640 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1641 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1642 || strcmp (result, "-3.125000e-002 33") == 0);
1643 ASSERT (retval == strlen (result));
1646 { /* Positive zero. */
1649 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1650 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1651 || strcmp (result, "0.000000e+000 33") == 0);
1652 ASSERT (retval == strlen (result));
1655 { /* Negative zero. */
1658 my_sprintf (result, "%e %d", -0.0, 33, 44, 55);
1659 if (have_minus_zero ())
1660 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1661 || strcmp (result, "-0.000000e+000 33") == 0);
1662 ASSERT (retval == strlen (result));
1665 { /* Positive infinity. */
1668 my_sprintf (result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1669 ASSERT (strcmp (result, "inf 33") == 0
1670 || strcmp (result, "infinity 33") == 0);
1671 ASSERT (retval == strlen (result));
1674 { /* Negative infinity. */
1677 my_sprintf (result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1678 ASSERT (strcmp (result, "-inf 33") == 0
1679 || strcmp (result, "-infinity 33") == 0);
1680 ASSERT (retval == strlen (result));
1686 my_sprintf (result, "%e %d", NaN (), 33, 44, 55);
1687 ASSERT (strlen (result) >= 3 + 3
1688 && strisnan (result, 0, strlen (result) - 3, 0)
1689 && strcmp (result + strlen (result) - 3, " 33") == 0);
1690 ASSERT (retval == strlen (result));
1696 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1697 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1698 || strcmp (result, " 1.750000e+000 33") == 0);
1699 ASSERT (retval == strlen (result));
1705 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1706 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1707 || strcmp (result, "1.750000e+000 33") == 0);
1708 ASSERT (retval == strlen (result));
1711 { /* FLAG_SHOWSIGN. */
1714 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1715 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1716 || strcmp (result, "+1.750000e+000 33") == 0);
1717 ASSERT (retval == strlen (result));
1723 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1724 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1725 || strcmp (result, " 1.750000e+000 33") == 0);
1726 ASSERT (retval == strlen (result));
1732 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1733 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1734 || strcmp (result, "1.750000e+000 33") == 0);
1735 ASSERT (retval == strlen (result));
1741 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1742 ASSERT (strcmp (result, "2.e+00 33") == 0
1743 || strcmp (result, "2.e+000 33") == 0);
1744 ASSERT (retval == strlen (result));
1750 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1751 ASSERT (strcmp (result, "1.e+01 33") == 0
1752 || strcmp (result, "1.e+001 33") == 0);
1753 ASSERT (retval == strlen (result));
1756 { /* FLAG_ZERO with finite number. */
1759 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1760 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1761 || strcmp (result, "001.234000e+003 33") == 0);
1762 ASSERT (retval == strlen (result));
1765 { /* FLAG_ZERO with infinite number. */
1768 my_sprintf (result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
1769 ASSERT (strcmp (result, " -inf 33") == 0
1770 || strcmp (result, " -infinity 33") == 0);
1771 ASSERT (retval == strlen (result));
1774 { /* FLAG_ZERO with NaN. */
1777 my_sprintf (result, "%050e %d", NaN (), 33, 44, 55);
1778 ASSERT (strlen (result) == 50 + 3
1779 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1780 && strcmp (result + strlen (result) - 3, " 33") == 0);
1781 ASSERT (retval == strlen (result));
1787 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1788 ASSERT (strcmp (result, "1e+03 33") == 0
1789 || strcmp (result, "1e+003 33") == 0);
1790 ASSERT (retval == strlen (result));
1793 { /* A positive number. */
1796 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1797 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1798 ASSERT (retval == strlen (result));
1801 { /* A larger positive number. */
1804 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1805 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1806 ASSERT (retval == strlen (result));
1809 { /* Small and large positive numbers. */
1810 static struct { long double value; const char *string; } data[] =
1812 { 1.234321234321234e-37L, "1.234321e-37" },
1813 { 1.234321234321234e-36L, "1.234321e-36" },
1814 { 1.234321234321234e-35L, "1.234321e-35" },
1815 { 1.234321234321234e-34L, "1.234321e-34" },
1816 { 1.234321234321234e-33L, "1.234321e-33" },
1817 { 1.234321234321234e-32L, "1.234321e-32" },
1818 { 1.234321234321234e-31L, "1.234321e-31" },
1819 { 1.234321234321234e-30L, "1.234321e-30" },
1820 { 1.234321234321234e-29L, "1.234321e-29" },
1821 { 1.234321234321234e-28L, "1.234321e-28" },
1822 { 1.234321234321234e-27L, "1.234321e-27" },
1823 { 1.234321234321234e-26L, "1.234321e-26" },
1824 { 1.234321234321234e-25L, "1.234321e-25" },
1825 { 1.234321234321234e-24L, "1.234321e-24" },
1826 { 1.234321234321234e-23L, "1.234321e-23" },
1827 { 1.234321234321234e-22L, "1.234321e-22" },
1828 { 1.234321234321234e-21L, "1.234321e-21" },
1829 { 1.234321234321234e-20L, "1.234321e-20" },
1830 { 1.234321234321234e-19L, "1.234321e-19" },
1831 { 1.234321234321234e-18L, "1.234321e-18" },
1832 { 1.234321234321234e-17L, "1.234321e-17" },
1833 { 1.234321234321234e-16L, "1.234321e-16" },
1834 { 1.234321234321234e-15L, "1.234321e-15" },
1835 { 1.234321234321234e-14L, "1.234321e-14" },
1836 { 1.234321234321234e-13L, "1.234321e-13" },
1837 { 1.234321234321234e-12L, "1.234321e-12" },
1838 { 1.234321234321234e-11L, "1.234321e-11" },
1839 { 1.234321234321234e-10L, "1.234321e-10" },
1840 { 1.234321234321234e-9L, "1.234321e-09" },
1841 { 1.234321234321234e-8L, "1.234321e-08" },
1842 { 1.234321234321234e-7L, "1.234321e-07" },
1843 { 1.234321234321234e-6L, "1.234321e-06" },
1844 { 1.234321234321234e-5L, "1.234321e-05" },
1845 { 1.234321234321234e-4L, "1.234321e-04" },
1846 { 1.234321234321234e-3L, "1.234321e-03" },
1847 { 1.234321234321234e-2L, "1.234321e-02" },
1848 { 1.234321234321234e-1L, "1.234321e-01" },
1849 { 1.234321234321234L, "1.234321e+00" },
1850 { 1.234321234321234e1L, "1.234321e+01" },
1851 { 1.234321234321234e2L, "1.234321e+02" },
1852 { 1.234321234321234e3L, "1.234321e+03" },
1853 { 1.234321234321234e4L, "1.234321e+04" },
1854 { 1.234321234321234e5L, "1.234321e+05" },
1855 { 1.234321234321234e6L, "1.234321e+06" },
1856 { 1.234321234321234e7L, "1.234321e+07" },
1857 { 1.234321234321234e8L, "1.234321e+08" },
1858 { 1.234321234321234e9L, "1.234321e+09" },
1859 { 1.234321234321234e10L, "1.234321e+10" },
1860 { 1.234321234321234e11L, "1.234321e+11" },
1861 { 1.234321234321234e12L, "1.234321e+12" },
1862 { 1.234321234321234e13L, "1.234321e+13" },
1863 { 1.234321234321234e14L, "1.234321e+14" },
1864 { 1.234321234321234e15L, "1.234321e+15" },
1865 { 1.234321234321234e16L, "1.234321e+16" },
1866 { 1.234321234321234e17L, "1.234321e+17" },
1867 { 1.234321234321234e18L, "1.234321e+18" },
1868 { 1.234321234321234e19L, "1.234321e+19" },
1869 { 1.234321234321234e20L, "1.234321e+20" },
1870 { 1.234321234321234e21L, "1.234321e+21" },
1871 { 1.234321234321234e22L, "1.234321e+22" },
1872 { 1.234321234321234e23L, "1.234321e+23" },
1873 { 1.234321234321234e24L, "1.234321e+24" },
1874 { 1.234321234321234e25L, "1.234321e+25" },
1875 { 1.234321234321234e26L, "1.234321e+26" },
1876 { 1.234321234321234e27L, "1.234321e+27" },
1877 { 1.234321234321234e28L, "1.234321e+28" },
1878 { 1.234321234321234e29L, "1.234321e+29" },
1879 { 1.234321234321234e30L, "1.234321e+30" },
1880 { 1.234321234321234e31L, "1.234321e+31" },
1881 { 1.234321234321234e32L, "1.234321e+32" },
1882 { 1.234321234321234e33L, "1.234321e+33" },
1883 { 1.234321234321234e34L, "1.234321e+34" },
1884 { 1.234321234321234e35L, "1.234321e+35" },
1885 { 1.234321234321234e36L, "1.234321e+36" }
1888 for (k = 0; k < SIZEOF (data); k++)
1892 my_sprintf (result, "%Le", data[k].value);
1893 ASSERT (strcmp (result, data[k].string) == 0);
1894 ASSERT (retval == strlen (result));
1898 { /* A negative number. */
1901 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1902 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1903 ASSERT (retval == strlen (result));
1906 { /* Positive zero. */
1909 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
1910 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1911 ASSERT (retval == strlen (result));
1914 { /* Negative zero. */
1917 my_sprintf (result, "%Le %d", -0.0L, 33, 44, 55);
1918 if (have_minus_zero ())
1919 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1920 ASSERT (retval == strlen (result));
1923 { /* Positive infinity. */
1926 my_sprintf (result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1927 ASSERT (strcmp (result, "inf 33") == 0
1928 || strcmp (result, "infinity 33") == 0);
1929 ASSERT (retval == strlen (result));
1932 { /* Negative infinity. */
1935 my_sprintf (result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1936 ASSERT (strcmp (result, "-inf 33") == 0
1937 || strcmp (result, "-infinity 33") == 0);
1938 ASSERT (retval == strlen (result));
1942 static long double zero = 0.0L;
1945 my_sprintf (result, "%Le %d", zero / zero, 33, 44, 55);
1946 ASSERT (strlen (result) >= 3 + 3
1947 && strisnan (result, 0, strlen (result) - 3, 0)
1948 && strcmp (result + strlen (result) - 3, " 33") == 0);
1949 ASSERT (retval == strlen (result));
1951 #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_))
1953 static union { unsigned int word[4]; long double value; } x =
1954 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1957 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1958 ASSERT (strlen (result) >= 3 + 3
1959 && strisnan (result, 0, strlen (result) - 3, 0)
1960 && strcmp (result + strlen (result) - 3, " 33") == 0);
1961 ASSERT (retval == strlen (result));
1964 /* Signalling NaN. */
1965 static union { unsigned int word[4]; long double value; } x =
1966 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1969 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1970 ASSERT (strlen (result) >= 3 + 3
1971 && strisnan (result, 0, strlen (result) - 3, 0)
1972 && strcmp (result + strlen (result) - 3, " 33") == 0);
1973 ASSERT (retval == strlen (result));
1975 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1976 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1977 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1978 Application Architecture.
1979 Table 5-2 "Floating-Point Register Encodings"
1980 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1983 static union { unsigned int word[4]; long double value; } x =
1984 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1987 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1988 ASSERT (strlen (result) >= 3 + 3
1989 && strisnan (result, 0, strlen (result) - 3, 0)
1990 && strcmp (result + strlen (result) - 3, " 33") == 0);
1991 ASSERT (retval == strlen (result));
1993 { /* Pseudo-Infinity. */
1994 static union { unsigned int word[4]; long double value; } x =
1995 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1998 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
1999 ASSERT (strlen (result) >= 3 + 3
2000 && strisnan (result, 0, strlen (result) - 3, 0)
2001 && strcmp (result + strlen (result) - 3, " 33") == 0);
2002 ASSERT (retval == strlen (result));
2004 { /* Pseudo-Zero. */
2005 static union { unsigned int word[4]; long double value; } x =
2006 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2009 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2010 ASSERT (strlen (result) >= 3 + 3
2011 && strisnan (result, 0, strlen (result) - 3, 0)
2012 && strcmp (result + strlen (result) - 3, " 33") == 0);
2013 ASSERT (retval == strlen (result));
2015 { /* Unnormalized number. */
2016 static union { unsigned int word[4]; long double value; } x =
2017 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2020 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2021 ASSERT (strlen (result) >= 3 + 3
2022 && strisnan (result, 0, strlen (result) - 3, 0)
2023 && strcmp (result + strlen (result) - 3, " 33") == 0);
2024 ASSERT (retval == strlen (result));
2026 { /* Pseudo-Denormal. */
2027 static union { unsigned int word[4]; long double value; } x =
2028 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2031 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2032 ASSERT (strlen (result) >= 3 + 3
2033 && strisnan (result, 0, strlen (result) - 3, 0)
2034 && strcmp (result + strlen (result) - 3, " 33") == 0);
2035 ASSERT (retval == strlen (result));
2042 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2043 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2044 ASSERT (retval == strlen (result));
2050 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2051 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2052 ASSERT (retval == strlen (result));
2055 { /* FLAG_SHOWSIGN. */
2058 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2059 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2060 ASSERT (retval == strlen (result));
2066 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2067 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2068 ASSERT (retval == strlen (result));
2074 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2075 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2076 ASSERT (retval == strlen (result));
2082 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2083 ASSERT (strcmp (result, "2.e+00 33") == 0);
2084 ASSERT (retval == strlen (result));
2090 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2091 ASSERT (strcmp (result, "1.e+01 33") == 0);
2092 ASSERT (retval == strlen (result));
2095 { /* FLAG_ZERO with finite number. */
2098 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2099 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2100 ASSERT (retval == strlen (result));
2103 { /* FLAG_ZERO with infinite number. */
2106 my_sprintf (result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2107 ASSERT (strcmp (result, " -inf 33") == 0
2108 || strcmp (result, " -infinity 33") == 0);
2109 ASSERT (retval == strlen (result));
2112 { /* FLAG_ZERO with NaN. */
2113 static long double zero = 0.0L;
2116 my_sprintf (result, "%050Le %d", zero / zero, 33, 44, 55);
2117 ASSERT (strlen (result) == 50 + 3
2118 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2119 && strcmp (result + strlen (result) - 3, " 33") == 0);
2120 ASSERT (retval == strlen (result));
2126 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2127 ASSERT (strcmp (result, "1e+03 33") == 0);
2128 ASSERT (retval == strlen (result));
2131 /* Test the support of the %g format directive. */
2133 { /* A positive number. */
2136 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2137 ASSERT (strcmp (result, "12.75 33") == 0);
2138 ASSERT (retval == strlen (result));
2141 { /* A larger positive number. */
2144 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2145 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2146 || strcmp (result, "1.23457e+006 33") == 0);
2147 ASSERT (retval == strlen (result));
2150 { /* Small and large positive numbers. */
2151 static struct { double value; const char *string; } data[] =
2153 { 1.234321234321234e-37, "1.23432e-37" },
2154 { 1.234321234321234e-36, "1.23432e-36" },
2155 { 1.234321234321234e-35, "1.23432e-35" },
2156 { 1.234321234321234e-34, "1.23432e-34" },
2157 { 1.234321234321234e-33, "1.23432e-33" },
2158 { 1.234321234321234e-32, "1.23432e-32" },
2159 { 1.234321234321234e-31, "1.23432e-31" },
2160 { 1.234321234321234e-30, "1.23432e-30" },
2161 { 1.234321234321234e-29, "1.23432e-29" },
2162 { 1.234321234321234e-28, "1.23432e-28" },
2163 { 1.234321234321234e-27, "1.23432e-27" },
2164 { 1.234321234321234e-26, "1.23432e-26" },
2165 { 1.234321234321234e-25, "1.23432e-25" },
2166 { 1.234321234321234e-24, "1.23432e-24" },
2167 { 1.234321234321234e-23, "1.23432e-23" },
2168 { 1.234321234321234e-22, "1.23432e-22" },
2169 { 1.234321234321234e-21, "1.23432e-21" },
2170 { 1.234321234321234e-20, "1.23432e-20" },
2171 { 1.234321234321234e-19, "1.23432e-19" },
2172 { 1.234321234321234e-18, "1.23432e-18" },
2173 { 1.234321234321234e-17, "1.23432e-17" },
2174 { 1.234321234321234e-16, "1.23432e-16" },
2175 { 1.234321234321234e-15, "1.23432e-15" },
2176 { 1.234321234321234e-14, "1.23432e-14" },
2177 { 1.234321234321234e-13, "1.23432e-13" },
2178 { 1.234321234321234e-12, "1.23432e-12" },
2179 { 1.234321234321234e-11, "1.23432e-11" },
2180 { 1.234321234321234e-10, "1.23432e-10" },
2181 { 1.234321234321234e-9, "1.23432e-09" },
2182 { 1.234321234321234e-8, "1.23432e-08" },
2183 { 1.234321234321234e-7, "1.23432e-07" },
2184 { 1.234321234321234e-6, "1.23432e-06" },
2185 { 1.234321234321234e-5, "1.23432e-05" },
2186 { 1.234321234321234e-4, "0.000123432" },
2187 { 1.234321234321234e-3, "0.00123432" },
2188 { 1.234321234321234e-2, "0.0123432" },
2189 { 1.234321234321234e-1, "0.123432" },
2190 { 1.234321234321234, "1.23432" },
2191 { 1.234321234321234e1, "12.3432" },
2192 { 1.234321234321234e2, "123.432" },
2193 { 1.234321234321234e3, "1234.32" },
2194 { 1.234321234321234e4, "12343.2" },
2195 { 1.234321234321234e5, "123432" },
2196 { 1.234321234321234e6, "1.23432e+06" },
2197 { 1.234321234321234e7, "1.23432e+07" },
2198 { 1.234321234321234e8, "1.23432e+08" },
2199 { 1.234321234321234e9, "1.23432e+09" },
2200 { 1.234321234321234e10, "1.23432e+10" },
2201 { 1.234321234321234e11, "1.23432e+11" },
2202 { 1.234321234321234e12, "1.23432e+12" },
2203 { 1.234321234321234e13, "1.23432e+13" },
2204 { 1.234321234321234e14, "1.23432e+14" },
2205 { 1.234321234321234e15, "1.23432e+15" },
2206 { 1.234321234321234e16, "1.23432e+16" },
2207 { 1.234321234321234e17, "1.23432e+17" },
2208 { 1.234321234321234e18, "1.23432e+18" },
2209 { 1.234321234321234e19, "1.23432e+19" },
2210 { 1.234321234321234e20, "1.23432e+20" },
2211 { 1.234321234321234e21, "1.23432e+21" },
2212 { 1.234321234321234e22, "1.23432e+22" },
2213 { 1.234321234321234e23, "1.23432e+23" },
2214 { 1.234321234321234e24, "1.23432e+24" },
2215 { 1.234321234321234e25, "1.23432e+25" },
2216 { 1.234321234321234e26, "1.23432e+26" },
2217 { 1.234321234321234e27, "1.23432e+27" },
2218 { 1.234321234321234e28, "1.23432e+28" },
2219 { 1.234321234321234e29, "1.23432e+29" },
2220 { 1.234321234321234e30, "1.23432e+30" },
2221 { 1.234321234321234e31, "1.23432e+31" },
2222 { 1.234321234321234e32, "1.23432e+32" },
2223 { 1.234321234321234e33, "1.23432e+33" },
2224 { 1.234321234321234e34, "1.23432e+34" },
2225 { 1.234321234321234e35, "1.23432e+35" },
2226 { 1.234321234321234e36, "1.23432e+36" }
2229 for (k = 0; k < SIZEOF (data); k++)
2233 my_sprintf (result, "%g", data[k].value);
2234 const char *expected = data[k].string;
2235 ASSERT (strcmp (result, expected) == 0
2236 /* Some implementations produce exponents with 3 digits. */
2237 || (expected[strlen (expected) - 4] == 'e'
2238 && strlen (result) == strlen (expected) + 1
2239 && memcmp (result, expected, strlen (expected) - 2) == 0
2240 && result[strlen (expected) - 2] == '0'
2241 && strcmp (result + strlen (expected) - 1,
2242 expected + strlen (expected) - 2)
2244 ASSERT (retval == strlen (result));
2248 { /* A negative number. */
2251 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2252 ASSERT (strcmp (result, "-0.03125 33") == 0);
2253 ASSERT (retval == strlen (result));
2256 { /* Positive zero. */
2259 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2260 ASSERT (strcmp (result, "0 33") == 0);
2261 ASSERT (retval == strlen (result));
2264 { /* Negative zero. */
2267 my_sprintf (result, "%g %d", -0.0, 33, 44, 55);
2268 if (have_minus_zero ())
2269 ASSERT (strcmp (result, "-0 33") == 0);
2270 ASSERT (retval == strlen (result));
2273 { /* Positive infinity. */
2276 my_sprintf (result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2277 ASSERT (strcmp (result, "inf 33") == 0
2278 || strcmp (result, "infinity 33") == 0);
2279 ASSERT (retval == strlen (result));
2282 { /* Negative infinity. */
2285 my_sprintf (result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2286 ASSERT (strcmp (result, "-inf 33") == 0
2287 || strcmp (result, "-infinity 33") == 0);
2288 ASSERT (retval == strlen (result));
2294 my_sprintf (result, "%g %d", NaN (), 33, 44, 55);
2295 ASSERT (strlen (result) >= 3 + 3
2296 && strisnan (result, 0, strlen (result) - 3, 0)
2297 && strcmp (result + strlen (result) - 3, " 33") == 0);
2298 ASSERT (retval == strlen (result));
2304 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2305 ASSERT (strcmp (result, " 1.75 33") == 0);
2306 ASSERT (retval == strlen (result));
2312 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2313 ASSERT (strcmp (result, "1.75 33") == 0);
2314 ASSERT (retval == strlen (result));
2317 { /* FLAG_SHOWSIGN. */
2320 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2321 ASSERT (strcmp (result, "+1.75 33") == 0);
2322 ASSERT (retval == strlen (result));
2328 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2329 ASSERT (strcmp (result, " 1.75 33") == 0);
2330 ASSERT (retval == strlen (result));
2336 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2337 ASSERT (strcmp (result, "1.75000 33") == 0);
2338 ASSERT (retval == strlen (result));
2344 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2345 ASSERT (strcmp (result, "2. 33") == 0);
2346 ASSERT (retval == strlen (result));
2352 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2353 ASSERT (strcmp (result, "1.e+01 33") == 0
2354 || strcmp (result, "1.e+001 33") == 0);
2355 ASSERT (retval == strlen (result));
2358 { /* FLAG_ZERO with finite number. */
2361 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2362 ASSERT (strcmp (result, "0000001234 33") == 0);
2363 ASSERT (retval == strlen (result));
2366 { /* FLAG_ZERO with infinite number. */
2369 my_sprintf (result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2370 ASSERT (strcmp (result, " -inf 33") == 0
2371 || strcmp (result, " -infinity 33") == 0);
2372 ASSERT (retval == strlen (result));
2375 { /* FLAG_ZERO with NaN. */
2378 my_sprintf (result, "%050g %d", NaN (), 33, 44, 55);
2379 ASSERT (strlen (result) == 50 + 3
2380 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2381 && strcmp (result + strlen (result) - 3, " 33") == 0);
2382 ASSERT (retval == strlen (result));
2388 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2389 ASSERT (strcmp (result, "1e+03 33") == 0
2390 || strcmp (result, "1e+003 33") == 0);
2391 ASSERT (retval == strlen (result));
2394 { /* A positive number. */
2397 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2398 ASSERT (strcmp (result, "12.75 33") == 0);
2399 ASSERT (retval == strlen (result));
2402 { /* A larger positive number. */
2405 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2406 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2407 ASSERT (retval == strlen (result));
2410 { /* Small and large positive numbers. */
2411 static struct { long double value; const char *string; } data[] =
2413 { 1.234321234321234e-37L, "1.23432e-37" },
2414 { 1.234321234321234e-36L, "1.23432e-36" },
2415 { 1.234321234321234e-35L, "1.23432e-35" },
2416 { 1.234321234321234e-34L, "1.23432e-34" },
2417 { 1.234321234321234e-33L, "1.23432e-33" },
2418 { 1.234321234321234e-32L, "1.23432e-32" },
2419 { 1.234321234321234e-31L, "1.23432e-31" },
2420 { 1.234321234321234e-30L, "1.23432e-30" },
2421 { 1.234321234321234e-29L, "1.23432e-29" },
2422 { 1.234321234321234e-28L, "1.23432e-28" },
2423 { 1.234321234321234e-27L, "1.23432e-27" },
2424 { 1.234321234321234e-26L, "1.23432e-26" },
2425 { 1.234321234321234e-25L, "1.23432e-25" },
2426 { 1.234321234321234e-24L, "1.23432e-24" },
2427 { 1.234321234321234e-23L, "1.23432e-23" },
2428 { 1.234321234321234e-22L, "1.23432e-22" },
2429 { 1.234321234321234e-21L, "1.23432e-21" },
2430 { 1.234321234321234e-20L, "1.23432e-20" },
2431 { 1.234321234321234e-19L, "1.23432e-19" },
2432 { 1.234321234321234e-18L, "1.23432e-18" },
2433 { 1.234321234321234e-17L, "1.23432e-17" },
2434 { 1.234321234321234e-16L, "1.23432e-16" },
2435 { 1.234321234321234e-15L, "1.23432e-15" },
2436 { 1.234321234321234e-14L, "1.23432e-14" },
2437 { 1.234321234321234e-13L, "1.23432e-13" },
2438 { 1.234321234321234e-12L, "1.23432e-12" },
2439 { 1.234321234321234e-11L, "1.23432e-11" },
2440 { 1.234321234321234e-10L, "1.23432e-10" },
2441 { 1.234321234321234e-9L, "1.23432e-09" },
2442 { 1.234321234321234e-8L, "1.23432e-08" },
2443 { 1.234321234321234e-7L, "1.23432e-07" },
2444 { 1.234321234321234e-6L, "1.23432e-06" },
2445 { 1.234321234321234e-5L, "1.23432e-05" },
2446 { 1.234321234321234e-4L, "0.000123432" },
2447 { 1.234321234321234e-3L, "0.00123432" },
2448 { 1.234321234321234e-2L, "0.0123432" },
2449 { 1.234321234321234e-1L, "0.123432" },
2450 { 1.234321234321234L, "1.23432" },
2451 { 1.234321234321234e1L, "12.3432" },
2452 { 1.234321234321234e2L, "123.432" },
2453 { 1.234321234321234e3L, "1234.32" },
2454 { 1.234321234321234e4L, "12343.2" },
2455 { 1.234321234321234e5L, "123432" },
2456 { 1.234321234321234e6L, "1.23432e+06" },
2457 { 1.234321234321234e7L, "1.23432e+07" },
2458 { 1.234321234321234e8L, "1.23432e+08" },
2459 { 1.234321234321234e9L, "1.23432e+09" },
2460 { 1.234321234321234e10L, "1.23432e+10" },
2461 { 1.234321234321234e11L, "1.23432e+11" },
2462 { 1.234321234321234e12L, "1.23432e+12" },
2463 { 1.234321234321234e13L, "1.23432e+13" },
2464 { 1.234321234321234e14L, "1.23432e+14" },
2465 { 1.234321234321234e15L, "1.23432e+15" },
2466 { 1.234321234321234e16L, "1.23432e+16" },
2467 { 1.234321234321234e17L, "1.23432e+17" },
2468 { 1.234321234321234e18L, "1.23432e+18" },
2469 { 1.234321234321234e19L, "1.23432e+19" },
2470 { 1.234321234321234e20L, "1.23432e+20" },
2471 { 1.234321234321234e21L, "1.23432e+21" },
2472 { 1.234321234321234e22L, "1.23432e+22" },
2473 { 1.234321234321234e23L, "1.23432e+23" },
2474 { 1.234321234321234e24L, "1.23432e+24" },
2475 { 1.234321234321234e25L, "1.23432e+25" },
2476 { 1.234321234321234e26L, "1.23432e+26" },
2477 { 1.234321234321234e27L, "1.23432e+27" },
2478 { 1.234321234321234e28L, "1.23432e+28" },
2479 { 1.234321234321234e29L, "1.23432e+29" },
2480 { 1.234321234321234e30L, "1.23432e+30" },
2481 { 1.234321234321234e31L, "1.23432e+31" },
2482 { 1.234321234321234e32L, "1.23432e+32" },
2483 { 1.234321234321234e33L, "1.23432e+33" },
2484 { 1.234321234321234e34L, "1.23432e+34" },
2485 { 1.234321234321234e35L, "1.23432e+35" },
2486 { 1.234321234321234e36L, "1.23432e+36" }
2489 for (k = 0; k < SIZEOF (data); k++)
2493 my_sprintf (result, "%Lg", data[k].value);
2494 ASSERT (strcmp (result, data[k].string) == 0);
2495 ASSERT (retval == strlen (result));
2499 { /* A negative number. */
2502 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2503 ASSERT (strcmp (result, "-0.03125 33") == 0);
2504 ASSERT (retval == strlen (result));
2507 { /* Positive zero. */
2510 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2511 ASSERT (strcmp (result, "0 33") == 0);
2512 ASSERT (retval == strlen (result));
2515 { /* Negative zero. */
2518 my_sprintf (result, "%Lg %d", -0.0L, 33, 44, 55);
2519 if (have_minus_zero ())
2520 ASSERT (strcmp (result, "-0 33") == 0);
2521 ASSERT (retval == strlen (result));
2524 { /* Positive infinity. */
2527 my_sprintf (result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2528 ASSERT (strcmp (result, "inf 33") == 0
2529 || strcmp (result, "infinity 33") == 0);
2530 ASSERT (retval == strlen (result));
2533 { /* Negative infinity. */
2536 my_sprintf (result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2537 ASSERT (strcmp (result, "-inf 33") == 0
2538 || strcmp (result, "-infinity 33") == 0);
2539 ASSERT (retval == strlen (result));
2543 static long double zero = 0.0L;
2546 my_sprintf (result, "%Lg %d", zero / zero, 33, 44, 55);
2547 ASSERT (strlen (result) >= 3 + 3
2548 && strisnan (result, 0, strlen (result) - 3, 0)
2549 && strcmp (result + strlen (result) - 3, " 33") == 0);
2550 ASSERT (retval == strlen (result));
2552 #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_))
2554 static union { unsigned int word[4]; long double value; } x =
2555 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2558 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2559 ASSERT (strlen (result) >= 3 + 3
2560 && strisnan (result, 0, strlen (result) - 3, 0)
2561 && strcmp (result + strlen (result) - 3, " 33") == 0);
2562 ASSERT (retval == strlen (result));
2565 /* Signalling NaN. */
2566 static union { unsigned int word[4]; long double value; } x =
2567 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2570 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2571 ASSERT (strlen (result) >= 3 + 3
2572 && strisnan (result, 0, strlen (result) - 3, 0)
2573 && strcmp (result + strlen (result) - 3, " 33") == 0);
2574 ASSERT (retval == strlen (result));
2576 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2577 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2578 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2579 Application Architecture.
2580 Table 5-2 "Floating-Point Register Encodings"
2581 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2584 static union { unsigned int word[4]; long double value; } x =
2585 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2588 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2589 ASSERT (strlen (result) >= 3 + 3
2590 && strisnan (result, 0, strlen (result) - 3, 0)
2591 && strcmp (result + strlen (result) - 3, " 33") == 0);
2592 ASSERT (retval == strlen (result));
2594 { /* Pseudo-Infinity. */
2595 static union { unsigned int word[4]; long double value; } x =
2596 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2599 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2600 ASSERT (strlen (result) >= 3 + 3
2601 && strisnan (result, 0, strlen (result) - 3, 0)
2602 && strcmp (result + strlen (result) - 3, " 33") == 0);
2603 ASSERT (retval == strlen (result));
2605 { /* Pseudo-Zero. */
2606 static union { unsigned int word[4]; long double value; } x =
2607 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2610 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2611 ASSERT (strlen (result) >= 3 + 3
2612 && strisnan (result, 0, strlen (result) - 3, 0)
2613 && strcmp (result + strlen (result) - 3, " 33") == 0);
2614 ASSERT (retval == strlen (result));
2616 { /* Unnormalized number. */
2617 static union { unsigned int word[4]; long double value; } x =
2618 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2621 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2622 ASSERT (strlen (result) >= 3 + 3
2623 && strisnan (result, 0, strlen (result) - 3, 0)
2624 && strcmp (result + strlen (result) - 3, " 33") == 0);
2625 ASSERT (retval == strlen (result));
2627 { /* Pseudo-Denormal. */
2628 static union { unsigned int word[4]; long double value; } x =
2629 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2632 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2633 ASSERT (strlen (result) >= 3 + 3
2634 && strisnan (result, 0, strlen (result) - 3, 0)
2635 && strcmp (result + strlen (result) - 3, " 33") == 0);
2636 ASSERT (retval == strlen (result));
2643 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2644 ASSERT (strcmp (result, " 1.75 33") == 0);
2645 ASSERT (retval == strlen (result));
2651 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2652 ASSERT (strcmp (result, "1.75 33") == 0);
2653 ASSERT (retval == strlen (result));
2656 { /* FLAG_SHOWSIGN. */
2659 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2660 ASSERT (strcmp (result, "+1.75 33") == 0);
2661 ASSERT (retval == strlen (result));
2667 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2668 ASSERT (strcmp (result, " 1.75 33") == 0);
2669 ASSERT (retval == strlen (result));
2675 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2676 ASSERT (strcmp (result, "1.75000 33") == 0);
2677 ASSERT (retval == strlen (result));
2683 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2684 ASSERT (strcmp (result, "2. 33") == 0);
2685 ASSERT (retval == strlen (result));
2691 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2692 ASSERT (strcmp (result, "1.e+01 33") == 0);
2693 ASSERT (retval == strlen (result));
2696 { /* FLAG_ZERO with finite number. */
2699 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2700 ASSERT (strcmp (result, "0000001234 33") == 0);
2701 ASSERT (retval == strlen (result));
2704 { /* FLAG_ZERO with infinite number. */
2707 my_sprintf (result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2708 ASSERT (strcmp (result, " -inf 33") == 0
2709 || strcmp (result, " -infinity 33") == 0);
2710 ASSERT (retval == strlen (result));
2713 { /* FLAG_ZERO with NaN. */
2714 static long double zero = 0.0L;
2717 my_sprintf (result, "%050Lg %d", zero / zero, 33, 44, 55);
2718 ASSERT (strlen (result) == 50 + 3
2719 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2720 && strcmp (result + strlen (result) - 3, " 33") == 0);
2721 ASSERT (retval == strlen (result));
2727 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2728 ASSERT (strcmp (result, "1e+03 33") == 0);
2729 ASSERT (retval == strlen (result));
2732 /* Test the support of the %n format directive. */
2738 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2739 ASSERT (strcmp (result, "123 ") == 0);
2740 ASSERT (retval == strlen (result));
2741 ASSERT (count == 4);
2744 /* Test the support of the POSIX/XSI format strings with positions. */
2749 my_sprintf (result, "%2$d %1$d", 33, 55);
2750 ASSERT (strcmp (result, "55 33") == 0);
2751 ASSERT (retval == strlen (result));
2754 /* Test the support of the grouping flag. */
2759 my_sprintf (result, "%'d %d", 1234567, 99);
2760 ASSERT (result[strlen (result) - 1] == '9');
2761 ASSERT (retval == strlen (result));