1 /* Test of POSIX compatible vsprintf() and sprintf() functions.
2 Copyright (C) 2007-2010 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. */
21 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
25 static double plus_zero = 0.0;
26 double minus_zero = - plus_zero;
27 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
30 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0.
31 So we use -zerod instead. */
34 /* On HP-UX 10.20, negating 0.0L does not yield -0.0L.
35 So we use minus_zerol instead.
36 IRIX cc can't put -0.0L into .data, but can compute at runtime.
37 Note that the expression -LDBL_MIN * LDBL_MIN does not work on other
38 platforms, such as when cross-compiling to PowerPC on MacOS X 10.5. */
39 #if defined __hpux || defined __sgi
41 compute_minus_zerol (void)
43 return -LDBL_MIN * LDBL_MIN;
45 # define minus_zerol compute_minus_zerol ()
47 long double minus_zerol = -0.0L;
50 /* Representation of an 80-bit 'long double' as an initializer for a sequence
51 of 'unsigned int' words. */
52 #ifdef WORDS_BIGENDIAN
53 # define LDBL80_WORDS(exponent,manthi,mantlo) \
54 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
55 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
56 (unsigned int) (mantlo) << 16 \
59 # define LDBL80_WORDS(exponent,manthi,mantlo) \
60 { mantlo, manthi, exponent }
64 strmatch (const char *pattern, const char *string)
66 if (strlen (pattern) != strlen (string))
68 for (; *pattern != '\0'; pattern++, string++)
69 if (*pattern != '*' && *string != *pattern)
74 /* Test whether string[start_index..end_index-1] is a valid textual
75 representation of NaN. */
77 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
79 if (start_index < end_index)
81 if (string[start_index] == '-')
83 if (start_index + 3 <= end_index
84 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
87 if (start_index == end_index
88 || (string[start_index] == '(' && string[end_index - 1] == ')'))
96 test_function (int (*my_sprintf) (char *, const char *, ...))
100 /* Test return value convention. */
105 memcpy (buf, "DEADBEEF", 8);
106 retval = my_sprintf (buf, "%d", 12345);
107 ASSERT (retval == 5);
108 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
111 /* Test support of size specifiers as in C99. */
116 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
117 ASSERT (strcmp (result, "12345671 33") == 0);
118 ASSERT (retval == strlen (result));
124 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
125 ASSERT (strcmp (result, "12345672 33") == 0);
126 ASSERT (retval == strlen (result));
132 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
133 ASSERT (strcmp (result, "12345673 33") == 0);
134 ASSERT (retval == strlen (result));
140 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
141 ASSERT (strcmp (result, "1.5 33") == 0);
142 ASSERT (retval == strlen (result));
145 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
146 output of floating-point numbers. */
148 { /* A positive number. */
151 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
152 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
153 || strcmp (result, "0x3.244p+0 33") == 0
154 || strcmp (result, "0x6.488p-1 33") == 0
155 || strcmp (result, "0xc.91p-2 33") == 0);
156 ASSERT (retval == strlen (result));
159 { /* A negative number. */
162 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
163 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
164 || strcmp (result, "-0X3.244P+0 33") == 0
165 || strcmp (result, "-0X6.488P-1 33") == 0
166 || strcmp (result, "-0XC.91P-2 33") == 0);
167 ASSERT (retval == strlen (result));
170 { /* Positive zero. */
173 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
174 ASSERT (strcmp (result, "0x0p+0 33") == 0);
175 ASSERT (retval == strlen (result));
178 { /* Negative zero. */
181 my_sprintf (result, "%a %d", -zerod, 33, 44, 55);
182 if (have_minus_zero ())
183 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
184 ASSERT (retval == strlen (result));
187 { /* Positive infinity. */
190 my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55);
191 ASSERT (strcmp (result, "inf 33") == 0);
192 ASSERT (retval == strlen (result));
195 { /* Negative infinity. */
198 my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55);
199 ASSERT (strcmp (result, "-inf 33") == 0);
200 ASSERT (retval == strlen (result));
206 my_sprintf (result, "%a %d", NaNd (), 33, 44, 55);
207 ASSERT (strlen (result) >= 3 + 3
208 && strisnan (result, 0, strlen (result) - 3, 0)
209 && strcmp (result + strlen (result) - 3, " 33") == 0);
210 ASSERT (retval == strlen (result));
213 { /* Rounding near the decimal point. */
216 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
217 ASSERT (strcmp (result, "0x2p+0 33") == 0
218 || strcmp (result, "0x3p-1 33") == 0
219 || strcmp (result, "0x6p-2 33") == 0
220 || strcmp (result, "0xcp-3 33") == 0);
221 ASSERT (retval == strlen (result));
224 { /* Rounding with precision 0. */
227 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
228 ASSERT (strcmp (result, "0x2p+0 33") == 0
229 || strcmp (result, "0x3p-1 33") == 0
230 || strcmp (result, "0x6p-2 33") == 0
231 || strcmp (result, "0xcp-3 33") == 0);
232 ASSERT (retval == strlen (result));
235 { /* Rounding with precision 1. */
238 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
239 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
240 || strcmp (result, "0x3.0p-1 33") == 0
241 || strcmp (result, "0x6.1p-2 33") == 0
242 || strcmp (result, "0xc.1p-3 33") == 0);
243 ASSERT (retval == strlen (result));
246 { /* Rounding with precision 2. */
249 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
250 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
251 || strcmp (result, "0x3.05p-1 33") == 0
252 || strcmp (result, "0x6.0ap-2 33") == 0
253 || strcmp (result, "0xc.14p-3 33") == 0);
254 ASSERT (retval == strlen (result));
257 { /* Rounding with precision 3. */
260 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
261 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
262 || strcmp (result, "0x3.052p-1 33") == 0
263 || strcmp (result, "0x6.0a4p-2 33") == 0
264 || strcmp (result, "0xc.148p-3 33") == 0);
265 ASSERT (retval == strlen (result));
268 { /* Rounding can turn a ...FFF into a ...000. */
271 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
272 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
273 || strcmp (result, "0x3.000p-1 33") == 0
274 || strcmp (result, "0x6.000p-2 33") == 0
275 || strcmp (result, "0xc.000p-3 33") == 0);
276 ASSERT (retval == strlen (result));
279 { /* Rounding can turn a ...FFF into a ...000.
280 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
283 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
284 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
285 || strcmp (result, "0x2.0p+0 33") == 0
286 || strcmp (result, "0x4.0p-1 33") == 0
287 || strcmp (result, "0x8.0p-2 33") == 0);
288 ASSERT (retval == strlen (result));
294 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
295 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
296 || strcmp (result, " 0x3.8p-1 33") == 0
297 || strcmp (result, " 0x7p-2 33") == 0
298 || strcmp (result, " 0xep-3 33") == 0);
299 ASSERT (retval == strlen (result));
302 { /* Small precision. */
305 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
306 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
307 || strcmp (result, "0x3.8000000000p-1 33") == 0
308 || strcmp (result, "0x7.0000000000p-2 33") == 0
309 || strcmp (result, "0xe.0000000000p-3 33") == 0);
310 ASSERT (retval == strlen (result));
313 { /* Large precision. */
316 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
317 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
318 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
319 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
320 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
321 ASSERT (retval == strlen (result));
327 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
328 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
329 || strcmp (result, "0x3.8p-1 33") == 0
330 || strcmp (result, "0x7p-2 33") == 0
331 || strcmp (result, "0xep-3 33") == 0);
332 ASSERT (retval == strlen (result));
335 { /* FLAG_SHOWSIGN. */
338 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
339 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
340 || strcmp (result, "+0x3.8p-1 33") == 0
341 || strcmp (result, "+0x7p-2 33") == 0
342 || strcmp (result, "+0xep-3 33") == 0);
343 ASSERT (retval == strlen (result));
349 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
350 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
351 || strcmp (result, " 0x3.8p-1 33") == 0
352 || strcmp (result, " 0x7p-2 33") == 0
353 || strcmp (result, " 0xep-3 33") == 0);
354 ASSERT (retval == strlen (result));
360 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
361 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
362 || strcmp (result, "0x3.8p-1 33") == 0
363 || strcmp (result, "0x7.p-2 33") == 0
364 || strcmp (result, "0xe.p-3 33") == 0);
365 ASSERT (retval == strlen (result));
371 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
372 ASSERT (strcmp (result, "0x1.p+0 33") == 0
373 || strcmp (result, "0x2.p-1 33") == 0
374 || strcmp (result, "0x4.p-2 33") == 0
375 || strcmp (result, "0x8.p-3 33") == 0);
376 ASSERT (retval == strlen (result));
379 { /* FLAG_ZERO with finite number. */
382 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
383 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
384 || strcmp (result, "0x003.8p-1 33") == 0
385 || strcmp (result, "0x00007p-2 33") == 0
386 || strcmp (result, "0x0000ep-3 33") == 0);
387 ASSERT (retval == strlen (result));
390 { /* FLAG_ZERO with infinite number. */
393 my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
394 /* "0000000inf 33" is not a valid result; see
395 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
396 ASSERT (strcmp (result, " inf 33") == 0);
397 ASSERT (retval == strlen (result));
400 { /* FLAG_ZERO with NaN. */
403 my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55);
404 /* "0000000nan 33" is not a valid result; see
405 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
406 ASSERT (strlen (result) == 50 + 3
407 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
408 && strcmp (result + strlen (result) - 3, " 33") == 0);
409 ASSERT (retval == strlen (result));
412 { /* A positive number. */
415 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
416 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
417 || strcmp (result, "0x3.244p+0 33") == 0
418 || strcmp (result, "0x6.488p-1 33") == 0
419 || strcmp (result, "0xc.91p-2 33") == 0);
420 ASSERT (retval == strlen (result));
423 { /* A negative number. */
426 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
427 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
428 || strcmp (result, "-0X3.244P+0 33") == 0
429 || strcmp (result, "-0X6.488P-1 33") == 0
430 || strcmp (result, "-0XC.91P-2 33") == 0);
431 ASSERT (retval == strlen (result));
434 { /* Positive zero. */
437 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
438 ASSERT (strcmp (result, "0x0p+0 33") == 0);
439 ASSERT (retval == strlen (result));
442 { /* Negative zero. */
445 my_sprintf (result, "%La %d", minus_zerol, 33, 44, 55);
446 if (have_minus_zero ())
447 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
448 ASSERT (retval == strlen (result));
451 { /* Positive infinity. */
454 my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
455 ASSERT (strcmp (result, "inf 33") == 0);
456 ASSERT (retval == strlen (result));
459 { /* Negative infinity. */
462 my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
463 ASSERT (strcmp (result, "-inf 33") == 0);
464 ASSERT (retval == strlen (result));
470 my_sprintf (result, "%La %d", NaNl (), 33, 44, 55);
471 ASSERT (strlen (result) >= 3 + 3
472 && strisnan (result, 0, strlen (result) - 3, 0)
473 && strcmp (result + strlen (result) - 3, " 33") == 0);
474 ASSERT (retval == strlen (result));
476 #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_))
478 static union { unsigned int word[4]; long double value; } x =
479 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
482 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
483 ASSERT (strlen (result) >= 3 + 3
484 && strisnan (result, 0, strlen (result) - 3, 0)
485 && strcmp (result + strlen (result) - 3, " 33") == 0);
486 ASSERT (retval == strlen (result));
489 /* Signalling NaN. */
490 static union { unsigned int word[4]; long double value; } x =
491 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
494 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
495 ASSERT (strlen (result) >= 3 + 3
496 && strisnan (result, 0, strlen (result) - 3, 0)
497 && strcmp (result + strlen (result) - 3, " 33") == 0);
498 ASSERT (retval == strlen (result));
500 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
501 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
502 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
503 Application Architecture.
504 Table 5-2 "Floating-Point Register Encodings"
505 Figure 5-6 "Memory to Floating-Point Register Data Translation"
508 static union { unsigned int word[4]; long double value; } x =
509 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
512 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
513 ASSERT (strlen (result) >= 3 + 3
514 && strisnan (result, 0, strlen (result) - 3, 0)
515 && strcmp (result + strlen (result) - 3, " 33") == 0);
516 ASSERT (retval == strlen (result));
518 { /* Pseudo-Infinity. */
519 static union { unsigned int word[4]; long double value; } x =
520 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
523 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
524 ASSERT (strlen (result) >= 3 + 3
525 && strisnan (result, 0, strlen (result) - 3, 0)
526 && strcmp (result + strlen (result) - 3, " 33") == 0);
527 ASSERT (retval == strlen (result));
530 static union { unsigned int word[4]; long double value; } x =
531 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
534 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
535 ASSERT (strlen (result) >= 3 + 3
536 && strisnan (result, 0, strlen (result) - 3, 0)
537 && strcmp (result + strlen (result) - 3, " 33") == 0);
538 ASSERT (retval == strlen (result));
540 { /* Unnormalized number. */
541 static union { unsigned int word[4]; long double value; } x =
542 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
545 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
546 ASSERT (strlen (result) >= 3 + 3
547 && strisnan (result, 0, strlen (result) - 3, 0)
548 && strcmp (result + strlen (result) - 3, " 33") == 0);
549 ASSERT (retval == strlen (result));
551 { /* Pseudo-Denormal. */
552 static union { unsigned int word[4]; long double value; } x =
553 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
556 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
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));
564 { /* Rounding near the decimal point. */
567 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
568 ASSERT (strcmp (result, "0x2p+0 33") == 0
569 || strcmp (result, "0x3p-1 33") == 0
570 || strcmp (result, "0x6p-2 33") == 0
571 || strcmp (result, "0xcp-3 33") == 0);
572 ASSERT (retval == strlen (result));
575 { /* Rounding with precision 0. */
578 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
579 ASSERT (strcmp (result, "0x2p+0 33") == 0
580 || strcmp (result, "0x3p-1 33") == 0
581 || strcmp (result, "0x6p-2 33") == 0
582 || strcmp (result, "0xcp-3 33") == 0);
583 ASSERT (retval == strlen (result));
586 { /* Rounding with precision 1. */
589 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
590 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
591 || strcmp (result, "0x3.0p-1 33") == 0
592 || strcmp (result, "0x6.1p-2 33") == 0
593 || strcmp (result, "0xc.1p-3 33") == 0);
594 ASSERT (retval == strlen (result));
597 { /* Rounding with precision 2. */
600 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
601 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
602 || strcmp (result, "0x3.05p-1 33") == 0
603 || strcmp (result, "0x6.0ap-2 33") == 0
604 || strcmp (result, "0xc.14p-3 33") == 0);
605 ASSERT (retval == strlen (result));
608 { /* Rounding with precision 3. */
611 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
612 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
613 || strcmp (result, "0x3.052p-1 33") == 0
614 || strcmp (result, "0x6.0a4p-2 33") == 0
615 || strcmp (result, "0xc.148p-3 33") == 0);
616 ASSERT (retval == strlen (result));
619 { /* Rounding can turn a ...FFF into a ...000. */
622 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
623 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
624 || strcmp (result, "0x3.000p-1 33") == 0
625 || strcmp (result, "0x6.000p-2 33") == 0
626 || strcmp (result, "0xc.000p-3 33") == 0);
627 ASSERT (retval == strlen (result));
630 { /* Rounding can turn a ...FFF into a ...000.
631 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
632 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
635 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
636 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
637 || strcmp (result, "0x2.0p+0 33") == 0
638 || strcmp (result, "0x4.0p-1 33") == 0
639 || strcmp (result, "0x8.0p-2 33") == 0);
640 ASSERT (retval == strlen (result));
646 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
647 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
648 || strcmp (result, " 0x3.8p-1 33") == 0
649 || strcmp (result, " 0x7p-2 33") == 0
650 || strcmp (result, " 0xep-3 33") == 0);
651 ASSERT (retval == strlen (result));
654 { /* Small precision. */
657 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
658 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
659 || strcmp (result, "0x3.8000000000p-1 33") == 0
660 || strcmp (result, "0x7.0000000000p-2 33") == 0
661 || strcmp (result, "0xe.0000000000p-3 33") == 0);
662 ASSERT (retval == strlen (result));
665 { /* Large precision. */
668 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
669 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
670 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
671 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
672 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
673 ASSERT (retval == strlen (result));
679 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
680 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
681 || strcmp (result, "0x3.8p-1 33") == 0
682 || strcmp (result, "0x7p-2 33") == 0
683 || strcmp (result, "0xep-3 33") == 0);
684 ASSERT (retval == strlen (result));
687 { /* FLAG_SHOWSIGN. */
690 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
691 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
692 || strcmp (result, "+0x3.8p-1 33") == 0
693 || strcmp (result, "+0x7p-2 33") == 0
694 || strcmp (result, "+0xep-3 33") == 0);
695 ASSERT (retval == strlen (result));
701 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
702 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
703 || strcmp (result, " 0x3.8p-1 33") == 0
704 || strcmp (result, " 0x7p-2 33") == 0
705 || strcmp (result, " 0xep-3 33") == 0);
706 ASSERT (retval == strlen (result));
712 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
713 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
714 || strcmp (result, "0x3.8p-1 33") == 0
715 || strcmp (result, "0x7.p-2 33") == 0
716 || strcmp (result, "0xe.p-3 33") == 0);
717 ASSERT (retval == strlen (result));
723 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
724 ASSERT (strcmp (result, "0x1.p+0 33") == 0
725 || strcmp (result, "0x2.p-1 33") == 0
726 || strcmp (result, "0x4.p-2 33") == 0
727 || strcmp (result, "0x8.p-3 33") == 0);
728 ASSERT (retval == strlen (result));
731 { /* FLAG_ZERO with finite number. */
734 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
735 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
736 || strcmp (result, "0x003.8p-1 33") == 0
737 || strcmp (result, "0x00007p-2 33") == 0
738 || strcmp (result, "0x0000ep-3 33") == 0);
739 ASSERT (retval == strlen (result));
742 { /* FLAG_ZERO with infinite number. */
745 my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
746 /* "0000000inf 33" is not a valid result; see
747 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
748 ASSERT (strcmp (result, " inf 33") == 0);
749 ASSERT (retval == strlen (result));
752 { /* FLAG_ZERO with NaN. */
755 my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55);
756 /* "0000000nan 33" is not a valid result; see
757 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
758 ASSERT (strlen (result) == 50 + 3
759 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
760 && strcmp (result + strlen (result) - 3, " 33") == 0);
761 ASSERT (retval == strlen (result));
764 /* Test the support of the %f format directive. */
766 { /* A positive number. */
769 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
770 ASSERT (strcmp (result, "12.750000 33") == 0);
771 ASSERT (retval == strlen (result));
774 { /* A larger positive number. */
777 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
778 ASSERT (strcmp (result, "1234567.000000 33") == 0);
779 ASSERT (retval == strlen (result));
782 { /* Small and large positive numbers. */
783 static struct { double value; const char *string; } data[] =
785 { 1.234321234321234e-37, "0.000000" },
786 { 1.234321234321234e-36, "0.000000" },
787 { 1.234321234321234e-35, "0.000000" },
788 { 1.234321234321234e-34, "0.000000" },
789 { 1.234321234321234e-33, "0.000000" },
790 { 1.234321234321234e-32, "0.000000" },
791 { 1.234321234321234e-31, "0.000000" },
792 { 1.234321234321234e-30, "0.000000" },
793 { 1.234321234321234e-29, "0.000000" },
794 { 1.234321234321234e-28, "0.000000" },
795 { 1.234321234321234e-27, "0.000000" },
796 { 1.234321234321234e-26, "0.000000" },
797 { 1.234321234321234e-25, "0.000000" },
798 { 1.234321234321234e-24, "0.000000" },
799 { 1.234321234321234e-23, "0.000000" },
800 { 1.234321234321234e-22, "0.000000" },
801 { 1.234321234321234e-21, "0.000000" },
802 { 1.234321234321234e-20, "0.000000" },
803 { 1.234321234321234e-19, "0.000000" },
804 { 1.234321234321234e-18, "0.000000" },
805 { 1.234321234321234e-17, "0.000000" },
806 { 1.234321234321234e-16, "0.000000" },
807 { 1.234321234321234e-15, "0.000000" },
808 { 1.234321234321234e-14, "0.000000" },
809 { 1.234321234321234e-13, "0.000000" },
810 { 1.234321234321234e-12, "0.000000" },
811 { 1.234321234321234e-11, "0.000000" },
812 { 1.234321234321234e-10, "0.000000" },
813 { 1.234321234321234e-9, "0.000000" },
814 { 1.234321234321234e-8, "0.000000" },
815 { 1.234321234321234e-7, "0.000000" },
816 { 1.234321234321234e-6, "0.000001" },
817 { 1.234321234321234e-5, "0.000012" },
818 { 1.234321234321234e-4, "0.000123" },
819 { 1.234321234321234e-3, "0.001234" },
820 { 1.234321234321234e-2, "0.012343" },
821 { 1.234321234321234e-1, "0.123432" },
822 { 1.234321234321234, "1.234321" },
823 { 1.234321234321234e1, "12.343212" },
824 { 1.234321234321234e2, "123.432123" },
825 { 1.234321234321234e3, "1234.321234" },
826 { 1.234321234321234e4, "12343.212343" },
827 { 1.234321234321234e5, "123432.123432" },
828 { 1.234321234321234e6, "1234321.234321" },
829 { 1.234321234321234e7, "12343212.343212" },
830 { 1.234321234321234e8, "123432123.432123" },
831 { 1.234321234321234e9, "1234321234.321234" },
832 { 1.234321234321234e10, "12343212343.2123**" },
833 { 1.234321234321234e11, "123432123432.123***" },
834 { 1.234321234321234e12, "1234321234321.23****" },
835 { 1.234321234321234e13, "12343212343212.3*****" },
836 { 1.234321234321234e14, "123432123432123.******" },
837 { 1.234321234321234e15, "1234321234321234.000000" },
838 { 1.234321234321234e16, "123432123432123**.000000" },
839 { 1.234321234321234e17, "123432123432123***.000000" },
840 { 1.234321234321234e18, "123432123432123****.000000" },
841 { 1.234321234321234e19, "123432123432123*****.000000" },
842 { 1.234321234321234e20, "123432123432123******.000000" },
843 { 1.234321234321234e21, "123432123432123*******.000000" },
844 { 1.234321234321234e22, "123432123432123********.000000" },
845 { 1.234321234321234e23, "123432123432123*********.000000" },
846 { 1.234321234321234e24, "123432123432123**********.000000" },
847 { 1.234321234321234e25, "123432123432123***********.000000" },
848 { 1.234321234321234e26, "123432123432123************.000000" },
849 { 1.234321234321234e27, "123432123432123*************.000000" },
850 { 1.234321234321234e28, "123432123432123**************.000000" },
851 { 1.234321234321234e29, "123432123432123***************.000000" },
852 { 1.234321234321234e30, "123432123432123****************.000000" },
853 { 1.234321234321234e31, "123432123432123*****************.000000" },
854 { 1.234321234321234e32, "123432123432123******************.000000" },
855 { 1.234321234321234e33, "123432123432123*******************.000000" },
856 { 1.234321234321234e34, "123432123432123********************.000000" },
857 { 1.234321234321234e35, "123432123432123*********************.000000" },
858 { 1.234321234321234e36, "123432123432123**********************.000000" }
861 for (k = 0; k < SIZEOF (data); k++)
865 my_sprintf (result, "%f", data[k].value);
866 ASSERT (strmatch (data[k].string, result));
867 ASSERT (retval == strlen (result));
871 { /* A negative number. */
874 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
875 ASSERT (strcmp (result, "-0.031250 33") == 0);
876 ASSERT (retval == strlen (result));
879 { /* Positive zero. */
882 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
883 ASSERT (strcmp (result, "0.000000 33") == 0);
884 ASSERT (retval == strlen (result));
887 { /* Negative zero. */
890 my_sprintf (result, "%f %d", -zerod, 33, 44, 55);
891 if (have_minus_zero ())
892 ASSERT (strcmp (result, "-0.000000 33") == 0);
893 ASSERT (retval == strlen (result));
896 { /* Positive 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));
905 { /* Negative infinity. */
908 my_sprintf (result, "%f %d", -1.0 / 0.0, 33, 44, 55);
909 ASSERT (strcmp (result, "-inf 33") == 0
910 || strcmp (result, "-infinity 33") == 0);
911 ASSERT (retval == strlen (result));
917 my_sprintf (result, "%f %d", NaNd (), 33, 44, 55);
918 ASSERT (strlen (result) >= 3 + 3
919 && strisnan (result, 0, strlen (result) - 3, 0)
920 && strcmp (result + strlen (result) - 3, " 33") == 0);
921 ASSERT (retval == strlen (result));
927 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
928 ASSERT (strcmp (result, " 1.750000 33") == 0);
929 ASSERT (retval == strlen (result));
935 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
936 ASSERT (strcmp (result, "1.750000 33") == 0);
937 ASSERT (retval == strlen (result));
940 { /* FLAG_SHOWSIGN. */
943 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
944 ASSERT (strcmp (result, "+1.750000 33") == 0);
945 ASSERT (retval == strlen (result));
951 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
952 ASSERT (strcmp (result, " 1.750000 33") == 0);
953 ASSERT (retval == strlen (result));
959 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
960 ASSERT (strcmp (result, "1.750000 33") == 0);
961 ASSERT (retval == strlen (result));
967 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
968 ASSERT (strcmp (result, "2. 33") == 0);
969 ASSERT (retval == strlen (result));
972 { /* FLAG_ZERO with finite number. */
975 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
976 ASSERT (strcmp (result, "00001234.000000 33") == 0);
977 ASSERT (retval == strlen (result));
980 { /* FLAG_ZERO with infinite number. */
983 my_sprintf (result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
984 ASSERT (strcmp (result, " -inf 33") == 0
985 || strcmp (result, " -infinity 33") == 0);
986 ASSERT (retval == strlen (result));
989 { /* FLAG_ZERO with NaN. */
992 my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55);
993 ASSERT (strlen (result) == 50 + 3
994 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
995 && strcmp (result + strlen (result) - 3, " 33") == 0);
996 ASSERT (retval == strlen (result));
1002 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
1003 ASSERT (strcmp (result, "1234 33") == 0);
1004 ASSERT (retval == strlen (result));
1007 { /* Precision with no rounding. */
1010 my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55);
1011 ASSERT (strcmp (result, "999.95 33") == 0);
1012 ASSERT (retval == strlen (result));
1015 { /* Precision with rounding. */
1018 my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55);
1019 ASSERT (strcmp (result, "1000.00 33") == 0);
1020 ASSERT (retval == strlen (result));
1023 { /* A positive number. */
1026 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
1027 ASSERT (strcmp (result, "12.750000 33") == 0);
1028 ASSERT (retval == strlen (result));
1031 { /* A larger positive number. */
1034 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1035 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1036 ASSERT (retval == strlen (result));
1039 { /* Small and large positive numbers. */
1040 static struct { long double value; const char *string; } data[] =
1042 { 1.234321234321234e-37L, "0.000000" },
1043 { 1.234321234321234e-36L, "0.000000" },
1044 { 1.234321234321234e-35L, "0.000000" },
1045 { 1.234321234321234e-34L, "0.000000" },
1046 { 1.234321234321234e-33L, "0.000000" },
1047 { 1.234321234321234e-32L, "0.000000" },
1048 { 1.234321234321234e-31L, "0.000000" },
1049 { 1.234321234321234e-30L, "0.000000" },
1050 { 1.234321234321234e-29L, "0.000000" },
1051 { 1.234321234321234e-28L, "0.000000" },
1052 { 1.234321234321234e-27L, "0.000000" },
1053 { 1.234321234321234e-26L, "0.000000" },
1054 { 1.234321234321234e-25L, "0.000000" },
1055 { 1.234321234321234e-24L, "0.000000" },
1056 { 1.234321234321234e-23L, "0.000000" },
1057 { 1.234321234321234e-22L, "0.000000" },
1058 { 1.234321234321234e-21L, "0.000000" },
1059 { 1.234321234321234e-20L, "0.000000" },
1060 { 1.234321234321234e-19L, "0.000000" },
1061 { 1.234321234321234e-18L, "0.000000" },
1062 { 1.234321234321234e-17L, "0.000000" },
1063 { 1.234321234321234e-16L, "0.000000" },
1064 { 1.234321234321234e-15L, "0.000000" },
1065 { 1.234321234321234e-14L, "0.000000" },
1066 { 1.234321234321234e-13L, "0.000000" },
1067 { 1.234321234321234e-12L, "0.000000" },
1068 { 1.234321234321234e-11L, "0.000000" },
1069 { 1.234321234321234e-10L, "0.000000" },
1070 { 1.234321234321234e-9L, "0.000000" },
1071 { 1.234321234321234e-8L, "0.000000" },
1072 { 1.234321234321234e-7L, "0.000000" },
1073 { 1.234321234321234e-6L, "0.000001" },
1074 { 1.234321234321234e-5L, "0.000012" },
1075 { 1.234321234321234e-4L, "0.000123" },
1076 { 1.234321234321234e-3L, "0.001234" },
1077 { 1.234321234321234e-2L, "0.012343" },
1078 { 1.234321234321234e-1L, "0.123432" },
1079 { 1.234321234321234L, "1.234321" },
1080 { 1.234321234321234e1L, "12.343212" },
1081 { 1.234321234321234e2L, "123.432123" },
1082 { 1.234321234321234e3L, "1234.321234" },
1083 { 1.234321234321234e4L, "12343.212343" },
1084 { 1.234321234321234e5L, "123432.123432" },
1085 { 1.234321234321234e6L, "1234321.234321" },
1086 { 1.234321234321234e7L, "12343212.343212" },
1087 { 1.234321234321234e8L, "123432123.432123" },
1088 { 1.234321234321234e9L, "1234321234.321234" },
1089 { 1.234321234321234e10L, "12343212343.2123**" },
1090 { 1.234321234321234e11L, "123432123432.123***" },
1091 { 1.234321234321234e12L, "1234321234321.23****" },
1092 { 1.234321234321234e13L, "12343212343212.3*****" },
1093 { 1.234321234321234e14L, "123432123432123.******" },
1094 { 1.234321234321234e15L, "1234321234321234.000000" },
1095 { 1.234321234321234e16L, "123432123432123**.000000" },
1096 { 1.234321234321234e17L, "123432123432123***.000000" },
1097 { 1.234321234321234e18L, "123432123432123****.000000" },
1098 { 1.234321234321234e19L, "123432123432123*****.000000" },
1099 { 1.234321234321234e20L, "123432123432123******.000000" },
1100 { 1.234321234321234e21L, "123432123432123*******.000000" },
1101 { 1.234321234321234e22L, "123432123432123********.000000" },
1102 { 1.234321234321234e23L, "123432123432123*********.000000" },
1103 { 1.234321234321234e24L, "123432123432123**********.000000" },
1104 { 1.234321234321234e25L, "123432123432123***********.000000" },
1105 { 1.234321234321234e26L, "123432123432123************.000000" },
1106 { 1.234321234321234e27L, "123432123432123*************.000000" },
1107 { 1.234321234321234e28L, "123432123432123**************.000000" },
1108 { 1.234321234321234e29L, "123432123432123***************.000000" },
1109 { 1.234321234321234e30L, "123432123432123****************.000000" },
1110 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1111 { 1.234321234321234e32L, "123432123432123******************.000000" },
1112 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1113 { 1.234321234321234e34L, "123432123432123********************.000000" },
1114 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1115 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1118 for (k = 0; k < SIZEOF (data); k++)
1122 my_sprintf (result, "%Lf", data[k].value);
1123 ASSERT (strmatch (data[k].string, result));
1124 ASSERT (retval == strlen (result));
1128 { /* A negative number. */
1131 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1132 ASSERT (strcmp (result, "-0.031250 33") == 0);
1133 ASSERT (retval == strlen (result));
1136 { /* Positive zero. */
1139 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1140 ASSERT (strcmp (result, "0.000000 33") == 0);
1141 ASSERT (retval == strlen (result));
1144 { /* Negative zero. */
1147 my_sprintf (result, "%Lf %d", minus_zerol, 33, 44, 55);
1148 if (have_minus_zero ())
1149 ASSERT (strcmp (result, "-0.000000 33") == 0);
1150 ASSERT (retval == strlen (result));
1153 { /* Positive infinity. */
1156 my_sprintf (result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1157 ASSERT (strcmp (result, "inf 33") == 0
1158 || strcmp (result, "infinity 33") == 0);
1159 ASSERT (retval == strlen (result));
1162 { /* Negative infinity. */
1165 my_sprintf (result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1166 ASSERT (strcmp (result, "-inf 33") == 0
1167 || strcmp (result, "-infinity 33") == 0);
1168 ASSERT (retval == strlen (result));
1174 my_sprintf (result, "%Lf %d", NaNl (), 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 #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_))
1182 static union { unsigned int word[4]; long double value; } x =
1183 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1186 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1187 ASSERT (strlen (result) >= 3 + 3
1188 && strisnan (result, 0, strlen (result) - 3, 0)
1189 && strcmp (result + strlen (result) - 3, " 33") == 0);
1190 ASSERT (retval == strlen (result));
1193 /* Signalling NaN. */
1194 static union { unsigned int word[4]; long double value; } x =
1195 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1198 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1199 ASSERT (strlen (result) >= 3 + 3
1200 && strisnan (result, 0, strlen (result) - 3, 0)
1201 && strcmp (result + strlen (result) - 3, " 33") == 0);
1202 ASSERT (retval == strlen (result));
1204 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1205 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1206 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1207 Application Architecture.
1208 Table 5-2 "Floating-Point Register Encodings"
1209 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1212 static union { unsigned int word[4]; long double value; } x =
1213 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1216 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1217 ASSERT (strlen (result) >= 3 + 3
1218 && strisnan (result, 0, strlen (result) - 3, 0)
1219 && strcmp (result + strlen (result) - 3, " 33") == 0);
1220 ASSERT (retval == strlen (result));
1222 { /* Pseudo-Infinity. */
1223 static union { unsigned int word[4]; long double value; } x =
1224 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1227 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1228 ASSERT (strlen (result) >= 3 + 3
1229 && strisnan (result, 0, strlen (result) - 3, 0)
1230 && strcmp (result + strlen (result) - 3, " 33") == 0);
1231 ASSERT (retval == strlen (result));
1233 { /* Pseudo-Zero. */
1234 static union { unsigned int word[4]; long double value; } x =
1235 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1238 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1239 ASSERT (strlen (result) >= 3 + 3
1240 && strisnan (result, 0, strlen (result) - 3, 0)
1241 && strcmp (result + strlen (result) - 3, " 33") == 0);
1242 ASSERT (retval == strlen (result));
1244 { /* Unnormalized number. */
1245 static union { unsigned int word[4]; long double value; } x =
1246 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1249 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1250 ASSERT (strlen (result) >= 3 + 3
1251 && strisnan (result, 0, strlen (result) - 3, 0)
1252 && strcmp (result + strlen (result) - 3, " 33") == 0);
1253 ASSERT (retval == strlen (result));
1255 { /* Pseudo-Denormal. */
1256 static union { unsigned int word[4]; long double value; } x =
1257 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1260 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1261 ASSERT (strlen (result) >= 3 + 3
1262 && strisnan (result, 0, strlen (result) - 3, 0)
1263 && strcmp (result + strlen (result) - 3, " 33") == 0);
1264 ASSERT (retval == strlen (result));
1271 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1272 ASSERT (strcmp (result, " 1.750000 33") == 0);
1273 ASSERT (retval == strlen (result));
1279 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1280 ASSERT (strcmp (result, "1.750000 33") == 0);
1281 ASSERT (retval == strlen (result));
1284 { /* FLAG_SHOWSIGN. */
1287 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1288 ASSERT (strcmp (result, "+1.750000 33") == 0);
1289 ASSERT (retval == strlen (result));
1295 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1296 ASSERT (strcmp (result, " 1.750000 33") == 0);
1297 ASSERT (retval == strlen (result));
1303 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1304 ASSERT (strcmp (result, "1.750000 33") == 0);
1305 ASSERT (retval == strlen (result));
1311 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1312 ASSERT (strcmp (result, "2. 33") == 0);
1313 ASSERT (retval == strlen (result));
1316 { /* FLAG_ZERO with finite number. */
1319 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1320 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1321 ASSERT (retval == strlen (result));
1324 { /* FLAG_ZERO with infinite number. */
1327 my_sprintf (result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1328 ASSERT (strcmp (result, " -inf 33") == 0
1329 || strcmp (result, " -infinity 33") == 0);
1330 ASSERT (retval == strlen (result));
1333 { /* FLAG_ZERO with NaN. */
1336 my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55);
1337 ASSERT (strlen (result) == 50 + 3
1338 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1339 && strcmp (result + strlen (result) - 3, " 33") == 0);
1340 ASSERT (retval == strlen (result));
1346 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1347 ASSERT (strcmp (result, "1234 33") == 0);
1348 ASSERT (retval == strlen (result));
1351 { /* Precision with no rounding. */
1354 my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55);
1355 ASSERT (strcmp (result, "999.95 33") == 0);
1356 ASSERT (retval == strlen (result));
1359 { /* Precision with rounding. */
1362 my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55);
1363 ASSERT (strcmp (result, "1000.00 33") == 0);
1364 ASSERT (retval == strlen (result));
1367 /* Test the support of the %F format directive. */
1369 { /* A positive number. */
1372 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1373 ASSERT (strcmp (result, "12.750000 33") == 0);
1374 ASSERT (retval == strlen (result));
1377 { /* A larger positive number. */
1380 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1381 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1382 ASSERT (retval == strlen (result));
1385 { /* A negative number. */
1388 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1389 ASSERT (strcmp (result, "-0.031250 33") == 0);
1390 ASSERT (retval == strlen (result));
1393 { /* Positive zero. */
1396 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1397 ASSERT (strcmp (result, "0.000000 33") == 0);
1398 ASSERT (retval == strlen (result));
1401 { /* Negative zero. */
1404 my_sprintf (result, "%F %d", -zerod, 33, 44, 55);
1405 if (have_minus_zero ())
1406 ASSERT (strcmp (result, "-0.000000 33") == 0);
1407 ASSERT (retval == strlen (result));
1410 { /* Positive infinity. */
1413 my_sprintf (result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1414 ASSERT (strcmp (result, "INF 33") == 0
1415 || strcmp (result, "INFINITY 33") == 0);
1416 ASSERT (retval == strlen (result));
1419 { /* Negative infinity. */
1422 my_sprintf (result, "%F %d", -1.0 / 0.0, 33, 44, 55);
1423 ASSERT (strcmp (result, "-INF 33") == 0
1424 || strcmp (result, "-INFINITY 33") == 0);
1425 ASSERT (retval == strlen (result));
1431 my_sprintf (result, "%F %d", NaNd (), 33, 44, 55);
1432 ASSERT (strlen (result) >= 3 + 3
1433 && strisnan (result, 0, strlen (result) - 3, 1)
1434 && strcmp (result + strlen (result) - 3, " 33") == 0);
1435 ASSERT (retval == strlen (result));
1441 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1442 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1443 ASSERT (retval == strlen (result));
1446 { /* FLAG_ZERO with infinite number. */
1449 my_sprintf (result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1450 ASSERT (strcmp (result, " -INF 33") == 0
1451 || strcmp (result, " -INFINITY 33") == 0);
1452 ASSERT (retval == strlen (result));
1458 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1459 ASSERT (strcmp (result, "1234 33") == 0);
1460 ASSERT (retval == strlen (result));
1463 { /* Precision with no rounding. */
1466 my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55);
1467 ASSERT (strcmp (result, "999.95 33") == 0);
1468 ASSERT (retval == strlen (result));
1471 { /* Precision with rounding. */
1474 my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55);
1475 ASSERT (strcmp (result, "1000.00 33") == 0);
1476 ASSERT (retval == strlen (result));
1479 { /* A positive number. */
1482 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1483 ASSERT (strcmp (result, "12.750000 33") == 0);
1484 ASSERT (retval == strlen (result));
1487 { /* A larger positive number. */
1490 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1491 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1492 ASSERT (retval == strlen (result));
1495 { /* A negative number. */
1498 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1499 ASSERT (strcmp (result, "-0.031250 33") == 0);
1500 ASSERT (retval == strlen (result));
1503 { /* Positive zero. */
1506 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1507 ASSERT (strcmp (result, "0.000000 33") == 0);
1508 ASSERT (retval == strlen (result));
1511 { /* Negative zero. */
1514 my_sprintf (result, "%LF %d", minus_zerol, 33, 44, 55);
1515 if (have_minus_zero ())
1516 ASSERT (strcmp (result, "-0.000000 33") == 0);
1517 ASSERT (retval == strlen (result));
1520 { /* Positive infinity. */
1523 my_sprintf (result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1524 ASSERT (strcmp (result, "INF 33") == 0
1525 || strcmp (result, "INFINITY 33") == 0);
1526 ASSERT (retval == strlen (result));
1529 { /* Negative infinity. */
1532 my_sprintf (result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1533 ASSERT (strcmp (result, "-INF 33") == 0
1534 || strcmp (result, "-INFINITY 33") == 0);
1535 ASSERT (retval == strlen (result));
1541 my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55);
1542 ASSERT (strlen (result) >= 3 + 3
1543 && strisnan (result, 0, strlen (result) - 3, 1)
1544 && strcmp (result + strlen (result) - 3, " 33") == 0);
1545 ASSERT (retval == strlen (result));
1551 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1552 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1553 ASSERT (retval == strlen (result));
1556 { /* FLAG_ZERO with infinite number. */
1559 my_sprintf (result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1560 ASSERT (strcmp (result, " -INF 33") == 0
1561 || strcmp (result, " -INFINITY 33") == 0);
1562 ASSERT (retval == strlen (result));
1568 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1569 ASSERT (strcmp (result, "1234 33") == 0);
1570 ASSERT (retval == strlen (result));
1573 { /* Precision with no rounding. */
1576 my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55);
1577 ASSERT (strcmp (result, "999.95 33") == 0);
1578 ASSERT (retval == strlen (result));
1581 { /* Precision with rounding. */
1584 my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55);
1585 ASSERT (strcmp (result, "1000.00 33") == 0);
1586 ASSERT (retval == strlen (result));
1589 /* Test the support of the %e format directive. */
1591 { /* A positive number. */
1594 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1595 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1596 || strcmp (result, "1.275000e+001 33") == 0);
1597 ASSERT (retval == strlen (result));
1600 { /* A larger positive number. */
1603 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1604 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1605 || strcmp (result, "1.234567e+006 33") == 0);
1606 ASSERT (retval == strlen (result));
1609 { /* Small and large positive numbers. */
1610 static struct { double value; const char *string; } data[] =
1612 { 1.234321234321234e-37, "1.234321e-37" },
1613 { 1.234321234321234e-36, "1.234321e-36" },
1614 { 1.234321234321234e-35, "1.234321e-35" },
1615 { 1.234321234321234e-34, "1.234321e-34" },
1616 { 1.234321234321234e-33, "1.234321e-33" },
1617 { 1.234321234321234e-32, "1.234321e-32" },
1618 { 1.234321234321234e-31, "1.234321e-31" },
1619 { 1.234321234321234e-30, "1.234321e-30" },
1620 { 1.234321234321234e-29, "1.234321e-29" },
1621 { 1.234321234321234e-28, "1.234321e-28" },
1622 { 1.234321234321234e-27, "1.234321e-27" },
1623 { 1.234321234321234e-26, "1.234321e-26" },
1624 { 1.234321234321234e-25, "1.234321e-25" },
1625 { 1.234321234321234e-24, "1.234321e-24" },
1626 { 1.234321234321234e-23, "1.234321e-23" },
1627 { 1.234321234321234e-22, "1.234321e-22" },
1628 { 1.234321234321234e-21, "1.234321e-21" },
1629 { 1.234321234321234e-20, "1.234321e-20" },
1630 { 1.234321234321234e-19, "1.234321e-19" },
1631 { 1.234321234321234e-18, "1.234321e-18" },
1632 { 1.234321234321234e-17, "1.234321e-17" },
1633 { 1.234321234321234e-16, "1.234321e-16" },
1634 { 1.234321234321234e-15, "1.234321e-15" },
1635 { 1.234321234321234e-14, "1.234321e-14" },
1636 { 1.234321234321234e-13, "1.234321e-13" },
1637 { 1.234321234321234e-12, "1.234321e-12" },
1638 { 1.234321234321234e-11, "1.234321e-11" },
1639 { 1.234321234321234e-10, "1.234321e-10" },
1640 { 1.234321234321234e-9, "1.234321e-09" },
1641 { 1.234321234321234e-8, "1.234321e-08" },
1642 { 1.234321234321234e-7, "1.234321e-07" },
1643 { 1.234321234321234e-6, "1.234321e-06" },
1644 { 1.234321234321234e-5, "1.234321e-05" },
1645 { 1.234321234321234e-4, "1.234321e-04" },
1646 { 1.234321234321234e-3, "1.234321e-03" },
1647 { 1.234321234321234e-2, "1.234321e-02" },
1648 { 1.234321234321234e-1, "1.234321e-01" },
1649 { 1.234321234321234, "1.234321e+00" },
1650 { 1.234321234321234e1, "1.234321e+01" },
1651 { 1.234321234321234e2, "1.234321e+02" },
1652 { 1.234321234321234e3, "1.234321e+03" },
1653 { 1.234321234321234e4, "1.234321e+04" },
1654 { 1.234321234321234e5, "1.234321e+05" },
1655 { 1.234321234321234e6, "1.234321e+06" },
1656 { 1.234321234321234e7, "1.234321e+07" },
1657 { 1.234321234321234e8, "1.234321e+08" },
1658 { 1.234321234321234e9, "1.234321e+09" },
1659 { 1.234321234321234e10, "1.234321e+10" },
1660 { 1.234321234321234e11, "1.234321e+11" },
1661 { 1.234321234321234e12, "1.234321e+12" },
1662 { 1.234321234321234e13, "1.234321e+13" },
1663 { 1.234321234321234e14, "1.234321e+14" },
1664 { 1.234321234321234e15, "1.234321e+15" },
1665 { 1.234321234321234e16, "1.234321e+16" },
1666 { 1.234321234321234e17, "1.234321e+17" },
1667 { 1.234321234321234e18, "1.234321e+18" },
1668 { 1.234321234321234e19, "1.234321e+19" },
1669 { 1.234321234321234e20, "1.234321e+20" },
1670 { 1.234321234321234e21, "1.234321e+21" },
1671 { 1.234321234321234e22, "1.234321e+22" },
1672 { 1.234321234321234e23, "1.234321e+23" },
1673 { 1.234321234321234e24, "1.234321e+24" },
1674 { 1.234321234321234e25, "1.234321e+25" },
1675 { 1.234321234321234e26, "1.234321e+26" },
1676 { 1.234321234321234e27, "1.234321e+27" },
1677 { 1.234321234321234e28, "1.234321e+28" },
1678 { 1.234321234321234e29, "1.234321e+29" },
1679 { 1.234321234321234e30, "1.234321e+30" },
1680 { 1.234321234321234e31, "1.234321e+31" },
1681 { 1.234321234321234e32, "1.234321e+32" },
1682 { 1.234321234321234e33, "1.234321e+33" },
1683 { 1.234321234321234e34, "1.234321e+34" },
1684 { 1.234321234321234e35, "1.234321e+35" },
1685 { 1.234321234321234e36, "1.234321e+36" }
1688 for (k = 0; k < SIZEOF (data); k++)
1692 my_sprintf (result, "%e", data[k].value);
1693 const char *expected = data[k].string;
1694 ASSERT (strcmp (result, expected) == 0
1695 /* Some implementations produce exponents with 3 digits. */
1696 || (strlen (result) == strlen (expected) + 1
1697 && memcmp (result, expected, strlen (expected) - 2) == 0
1698 && result[strlen (expected) - 2] == '0'
1699 && strcmp (result + strlen (expected) - 1,
1700 expected + strlen (expected) - 2)
1702 ASSERT (retval == strlen (result));
1706 { /* A negative number. */
1709 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1710 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1711 || strcmp (result, "-3.125000e-002 33") == 0);
1712 ASSERT (retval == strlen (result));
1715 { /* Positive zero. */
1718 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1719 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1720 || strcmp (result, "0.000000e+000 33") == 0);
1721 ASSERT (retval == strlen (result));
1724 { /* Negative zero. */
1727 my_sprintf (result, "%e %d", -zerod, 33, 44, 55);
1728 if (have_minus_zero ())
1729 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1730 || strcmp (result, "-0.000000e+000 33") == 0);
1731 ASSERT (retval == strlen (result));
1734 { /* Positive infinity. */
1737 my_sprintf (result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1738 ASSERT (strcmp (result, "inf 33") == 0
1739 || strcmp (result, "infinity 33") == 0);
1740 ASSERT (retval == strlen (result));
1743 { /* Negative infinity. */
1746 my_sprintf (result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1747 ASSERT (strcmp (result, "-inf 33") == 0
1748 || strcmp (result, "-infinity 33") == 0);
1749 ASSERT (retval == strlen (result));
1755 my_sprintf (result, "%e %d", NaNd (), 33, 44, 55);
1756 ASSERT (strlen (result) >= 3 + 3
1757 && strisnan (result, 0, strlen (result) - 3, 0)
1758 && strcmp (result + strlen (result) - 3, " 33") == 0);
1759 ASSERT (retval == strlen (result));
1765 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1766 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1767 || strcmp (result, " 1.750000e+000 33") == 0);
1768 ASSERT (retval == strlen (result));
1774 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1775 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1776 || strcmp (result, "1.750000e+000 33") == 0);
1777 ASSERT (retval == strlen (result));
1780 { /* FLAG_SHOWSIGN. */
1783 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1784 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1785 || strcmp (result, "+1.750000e+000 33") == 0);
1786 ASSERT (retval == strlen (result));
1792 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1793 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1794 || strcmp (result, " 1.750000e+000 33") == 0);
1795 ASSERT (retval == strlen (result));
1801 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1802 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1803 || strcmp (result, "1.750000e+000 33") == 0);
1804 ASSERT (retval == strlen (result));
1810 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1811 ASSERT (strcmp (result, "2.e+00 33") == 0
1812 || strcmp (result, "2.e+000 33") == 0);
1813 ASSERT (retval == strlen (result));
1819 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1820 ASSERT (strcmp (result, "1.e+01 33") == 0
1821 || strcmp (result, "1.e+001 33") == 0);
1822 ASSERT (retval == strlen (result));
1825 { /* FLAG_ZERO with finite number. */
1828 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1829 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1830 || strcmp (result, "001.234000e+003 33") == 0);
1831 ASSERT (retval == strlen (result));
1834 { /* FLAG_ZERO with infinite number. */
1837 my_sprintf (result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
1838 ASSERT (strcmp (result, " -inf 33") == 0
1839 || strcmp (result, " -infinity 33") == 0);
1840 ASSERT (retval == strlen (result));
1843 { /* FLAG_ZERO with NaN. */
1846 my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55);
1847 ASSERT (strlen (result) == 50 + 3
1848 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1849 && strcmp (result + strlen (result) - 3, " 33") == 0);
1850 ASSERT (retval == strlen (result));
1856 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1857 ASSERT (strcmp (result, "1e+03 33") == 0
1858 || strcmp (result, "1e+003 33") == 0);
1859 ASSERT (retval == strlen (result));
1862 { /* Precision with no rounding. */
1865 my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55);
1866 ASSERT (strcmp (result, "9.9995e+02 33") == 0
1867 || strcmp (result, "9.9995e+002 33") == 0);
1868 ASSERT (retval == strlen (result));
1871 { /* Precision with rounding. */
1874 my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55);
1875 ASSERT (strcmp (result, "1.0000e+03 33") == 0
1876 || strcmp (result, "1.0000e+003 33") == 0);
1877 ASSERT (retval == strlen (result));
1880 { /* A positive number. */
1883 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1884 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1885 || strcmp (result, "1.275000e+001 33") == 0);
1886 ASSERT (retval == strlen (result));
1889 { /* A larger positive number. */
1892 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1893 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1894 || strcmp (result, "1.234567e+006 33") == 0);
1895 ASSERT (retval == strlen (result));
1898 { /* Small and large positive numbers. */
1899 static struct { long double value; const char *string; } data[] =
1901 { 1.234321234321234e-37L, "1.234321e-37" },
1902 { 1.234321234321234e-36L, "1.234321e-36" },
1903 { 1.234321234321234e-35L, "1.234321e-35" },
1904 { 1.234321234321234e-34L, "1.234321e-34" },
1905 { 1.234321234321234e-33L, "1.234321e-33" },
1906 { 1.234321234321234e-32L, "1.234321e-32" },
1907 { 1.234321234321234e-31L, "1.234321e-31" },
1908 { 1.234321234321234e-30L, "1.234321e-30" },
1909 { 1.234321234321234e-29L, "1.234321e-29" },
1910 { 1.234321234321234e-28L, "1.234321e-28" },
1911 { 1.234321234321234e-27L, "1.234321e-27" },
1912 { 1.234321234321234e-26L, "1.234321e-26" },
1913 { 1.234321234321234e-25L, "1.234321e-25" },
1914 { 1.234321234321234e-24L, "1.234321e-24" },
1915 { 1.234321234321234e-23L, "1.234321e-23" },
1916 { 1.234321234321234e-22L, "1.234321e-22" },
1917 { 1.234321234321234e-21L, "1.234321e-21" },
1918 { 1.234321234321234e-20L, "1.234321e-20" },
1919 { 1.234321234321234e-19L, "1.234321e-19" },
1920 { 1.234321234321234e-18L, "1.234321e-18" },
1921 { 1.234321234321234e-17L, "1.234321e-17" },
1922 { 1.234321234321234e-16L, "1.234321e-16" },
1923 { 1.234321234321234e-15L, "1.234321e-15" },
1924 { 1.234321234321234e-14L, "1.234321e-14" },
1925 { 1.234321234321234e-13L, "1.234321e-13" },
1926 { 1.234321234321234e-12L, "1.234321e-12" },
1927 { 1.234321234321234e-11L, "1.234321e-11" },
1928 { 1.234321234321234e-10L, "1.234321e-10" },
1929 { 1.234321234321234e-9L, "1.234321e-09" },
1930 { 1.234321234321234e-8L, "1.234321e-08" },
1931 { 1.234321234321234e-7L, "1.234321e-07" },
1932 { 1.234321234321234e-6L, "1.234321e-06" },
1933 { 1.234321234321234e-5L, "1.234321e-05" },
1934 { 1.234321234321234e-4L, "1.234321e-04" },
1935 { 1.234321234321234e-3L, "1.234321e-03" },
1936 { 1.234321234321234e-2L, "1.234321e-02" },
1937 { 1.234321234321234e-1L, "1.234321e-01" },
1938 { 1.234321234321234L, "1.234321e+00" },
1939 { 1.234321234321234e1L, "1.234321e+01" },
1940 { 1.234321234321234e2L, "1.234321e+02" },
1941 { 1.234321234321234e3L, "1.234321e+03" },
1942 { 1.234321234321234e4L, "1.234321e+04" },
1943 { 1.234321234321234e5L, "1.234321e+05" },
1944 { 1.234321234321234e6L, "1.234321e+06" },
1945 { 1.234321234321234e7L, "1.234321e+07" },
1946 { 1.234321234321234e8L, "1.234321e+08" },
1947 { 1.234321234321234e9L, "1.234321e+09" },
1948 { 1.234321234321234e10L, "1.234321e+10" },
1949 { 1.234321234321234e11L, "1.234321e+11" },
1950 { 1.234321234321234e12L, "1.234321e+12" },
1951 { 1.234321234321234e13L, "1.234321e+13" },
1952 { 1.234321234321234e14L, "1.234321e+14" },
1953 { 1.234321234321234e15L, "1.234321e+15" },
1954 { 1.234321234321234e16L, "1.234321e+16" },
1955 { 1.234321234321234e17L, "1.234321e+17" },
1956 { 1.234321234321234e18L, "1.234321e+18" },
1957 { 1.234321234321234e19L, "1.234321e+19" },
1958 { 1.234321234321234e20L, "1.234321e+20" },
1959 { 1.234321234321234e21L, "1.234321e+21" },
1960 { 1.234321234321234e22L, "1.234321e+22" },
1961 { 1.234321234321234e23L, "1.234321e+23" },
1962 { 1.234321234321234e24L, "1.234321e+24" },
1963 { 1.234321234321234e25L, "1.234321e+25" },
1964 { 1.234321234321234e26L, "1.234321e+26" },
1965 { 1.234321234321234e27L, "1.234321e+27" },
1966 { 1.234321234321234e28L, "1.234321e+28" },
1967 { 1.234321234321234e29L, "1.234321e+29" },
1968 { 1.234321234321234e30L, "1.234321e+30" },
1969 { 1.234321234321234e31L, "1.234321e+31" },
1970 { 1.234321234321234e32L, "1.234321e+32" },
1971 { 1.234321234321234e33L, "1.234321e+33" },
1972 { 1.234321234321234e34L, "1.234321e+34" },
1973 { 1.234321234321234e35L, "1.234321e+35" },
1974 { 1.234321234321234e36L, "1.234321e+36" }
1977 for (k = 0; k < SIZEOF (data); k++)
1981 my_sprintf (result, "%Le", data[k].value);
1982 const char *expected = data[k].string;
1983 ASSERT (strcmp (result, expected) == 0
1984 /* Some implementations produce exponents with 3 digits. */
1985 || (strlen (result) == strlen (expected) + 1
1986 && memcmp (result, expected, strlen (expected) - 2) == 0
1987 && result[strlen (expected) - 2] == '0'
1988 && strcmp (result + strlen (expected) - 1,
1989 expected + strlen (expected) - 2)
1991 ASSERT (retval == strlen (result));
1995 { /* A negative number. */
1998 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1999 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
2000 || strcmp (result, "-3.125000e-002 33") == 0);
2001 ASSERT (retval == strlen (result));
2004 { /* Positive zero. */
2007 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
2008 ASSERT (strcmp (result, "0.000000e+00 33") == 0
2009 || strcmp (result, "0.000000e+000 33") == 0);
2010 ASSERT (retval == strlen (result));
2013 { /* Negative zero. */
2016 my_sprintf (result, "%Le %d", minus_zerol, 33, 44, 55);
2017 if (have_minus_zero ())
2018 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2019 || strcmp (result, "-0.000000e+000 33") == 0);
2020 ASSERT (retval == strlen (result));
2023 { /* Positive infinity. */
2026 my_sprintf (result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2027 ASSERT (strcmp (result, "inf 33") == 0
2028 || strcmp (result, "infinity 33") == 0);
2029 ASSERT (retval == strlen (result));
2032 { /* Negative infinity. */
2035 my_sprintf (result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2036 ASSERT (strcmp (result, "-inf 33") == 0
2037 || strcmp (result, "-infinity 33") == 0);
2038 ASSERT (retval == strlen (result));
2044 my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55);
2045 ASSERT (strlen (result) >= 3 + 3
2046 && strisnan (result, 0, strlen (result) - 3, 0)
2047 && strcmp (result + strlen (result) - 3, " 33") == 0);
2048 ASSERT (retval == strlen (result));
2050 #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_))
2052 static union { unsigned int word[4]; long double value; } x =
2053 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2056 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2057 ASSERT (strlen (result) >= 3 + 3
2058 && strisnan (result, 0, strlen (result) - 3, 0)
2059 && strcmp (result + strlen (result) - 3, " 33") == 0);
2060 ASSERT (retval == strlen (result));
2063 /* Signalling NaN. */
2064 static union { unsigned int word[4]; long double value; } x =
2065 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2068 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2069 ASSERT (strlen (result) >= 3 + 3
2070 && strisnan (result, 0, strlen (result) - 3, 0)
2071 && strcmp (result + strlen (result) - 3, " 33") == 0);
2072 ASSERT (retval == strlen (result));
2074 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2075 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2076 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2077 Application Architecture.
2078 Table 5-2 "Floating-Point Register Encodings"
2079 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2082 static union { unsigned int word[4]; long double value; } x =
2083 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2086 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2087 ASSERT (strlen (result) >= 3 + 3
2088 && strisnan (result, 0, strlen (result) - 3, 0)
2089 && strcmp (result + strlen (result) - 3, " 33") == 0);
2090 ASSERT (retval == strlen (result));
2092 { /* Pseudo-Infinity. */
2093 static union { unsigned int word[4]; long double value; } x =
2094 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2097 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2098 ASSERT (strlen (result) >= 3 + 3
2099 && strisnan (result, 0, strlen (result) - 3, 0)
2100 && strcmp (result + strlen (result) - 3, " 33") == 0);
2101 ASSERT (retval == strlen (result));
2103 { /* Pseudo-Zero. */
2104 static union { unsigned int word[4]; long double value; } x =
2105 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2108 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2109 ASSERT (strlen (result) >= 3 + 3
2110 && strisnan (result, 0, strlen (result) - 3, 0)
2111 && strcmp (result + strlen (result) - 3, " 33") == 0);
2112 ASSERT (retval == strlen (result));
2114 { /* Unnormalized number. */
2115 static union { unsigned int word[4]; long double value; } x =
2116 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2119 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2120 ASSERT (strlen (result) >= 3 + 3
2121 && strisnan (result, 0, strlen (result) - 3, 0)
2122 && strcmp (result + strlen (result) - 3, " 33") == 0);
2123 ASSERT (retval == strlen (result));
2125 { /* Pseudo-Denormal. */
2126 static union { unsigned int word[4]; long double value; } x =
2127 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2130 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2131 ASSERT (strlen (result) >= 3 + 3
2132 && strisnan (result, 0, strlen (result) - 3, 0)
2133 && strcmp (result + strlen (result) - 3, " 33") == 0);
2134 ASSERT (retval == strlen (result));
2141 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2142 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2143 || strcmp (result, " 1.750000e+000 33") == 0);
2144 ASSERT (retval == strlen (result));
2150 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2151 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2152 || strcmp (result, "1.750000e+000 33") == 0);
2153 ASSERT (retval == strlen (result));
2156 { /* FLAG_SHOWSIGN. */
2159 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2160 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2161 || strcmp (result, "+1.750000e+000 33") == 0);
2162 ASSERT (retval == strlen (result));
2168 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2169 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2170 || strcmp (result, " 1.750000e+000 33") == 0);
2171 ASSERT (retval == strlen (result));
2177 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2178 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2179 || strcmp (result, "1.750000e+000 33") == 0);
2180 ASSERT (retval == strlen (result));
2186 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2187 ASSERT (strcmp (result, "2.e+00 33") == 0
2188 || strcmp (result, "2.e+000 33") == 0);
2189 ASSERT (retval == strlen (result));
2195 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2196 ASSERT (strcmp (result, "1.e+01 33") == 0
2197 || strcmp (result, "1.e+001 33") == 0);
2198 ASSERT (retval == strlen (result));
2201 { /* FLAG_ZERO with finite number. */
2204 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2205 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2206 || strcmp (result, "001.234000e+003 33") == 0);
2207 ASSERT (retval == strlen (result));
2210 { /* FLAG_ZERO with infinite number. */
2213 my_sprintf (result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2214 ASSERT (strcmp (result, " -inf 33") == 0
2215 || strcmp (result, " -infinity 33") == 0);
2216 ASSERT (retval == strlen (result));
2219 { /* FLAG_ZERO with NaN. */
2222 my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55);
2223 ASSERT (strlen (result) == 50 + 3
2224 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2225 && strcmp (result + strlen (result) - 3, " 33") == 0);
2226 ASSERT (retval == strlen (result));
2232 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2233 ASSERT (strcmp (result, "1e+03 33") == 0
2234 || strcmp (result, "1e+003 33") == 0);
2235 ASSERT (retval == strlen (result));
2238 { /* Precision with no rounding. */
2241 my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55);
2242 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2243 || strcmp (result, "9.9995e+002 33") == 0);
2244 ASSERT (retval == strlen (result));
2247 { /* Precision with rounding. */
2250 my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55);
2251 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2252 || strcmp (result, "1.0000e+003 33") == 0);
2253 ASSERT (retval == strlen (result));
2256 /* Test the support of the %g format directive. */
2258 { /* A positive number. */
2261 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2262 ASSERT (strcmp (result, "12.75 33") == 0);
2263 ASSERT (retval == strlen (result));
2266 { /* A larger positive number. */
2269 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2270 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2271 || strcmp (result, "1.23457e+006 33") == 0);
2272 ASSERT (retval == strlen (result));
2275 { /* Small and large positive numbers. */
2276 static struct { double value; const char *string; } data[] =
2278 { 1.234321234321234e-37, "1.23432e-37" },
2279 { 1.234321234321234e-36, "1.23432e-36" },
2280 { 1.234321234321234e-35, "1.23432e-35" },
2281 { 1.234321234321234e-34, "1.23432e-34" },
2282 { 1.234321234321234e-33, "1.23432e-33" },
2283 { 1.234321234321234e-32, "1.23432e-32" },
2284 { 1.234321234321234e-31, "1.23432e-31" },
2285 { 1.234321234321234e-30, "1.23432e-30" },
2286 { 1.234321234321234e-29, "1.23432e-29" },
2287 { 1.234321234321234e-28, "1.23432e-28" },
2288 { 1.234321234321234e-27, "1.23432e-27" },
2289 { 1.234321234321234e-26, "1.23432e-26" },
2290 { 1.234321234321234e-25, "1.23432e-25" },
2291 { 1.234321234321234e-24, "1.23432e-24" },
2292 { 1.234321234321234e-23, "1.23432e-23" },
2293 { 1.234321234321234e-22, "1.23432e-22" },
2294 { 1.234321234321234e-21, "1.23432e-21" },
2295 { 1.234321234321234e-20, "1.23432e-20" },
2296 { 1.234321234321234e-19, "1.23432e-19" },
2297 { 1.234321234321234e-18, "1.23432e-18" },
2298 { 1.234321234321234e-17, "1.23432e-17" },
2299 { 1.234321234321234e-16, "1.23432e-16" },
2300 { 1.234321234321234e-15, "1.23432e-15" },
2301 { 1.234321234321234e-14, "1.23432e-14" },
2302 { 1.234321234321234e-13, "1.23432e-13" },
2303 { 1.234321234321234e-12, "1.23432e-12" },
2304 { 1.234321234321234e-11, "1.23432e-11" },
2305 { 1.234321234321234e-10, "1.23432e-10" },
2306 { 1.234321234321234e-9, "1.23432e-09" },
2307 { 1.234321234321234e-8, "1.23432e-08" },
2308 { 1.234321234321234e-7, "1.23432e-07" },
2309 { 1.234321234321234e-6, "1.23432e-06" },
2310 { 1.234321234321234e-5, "1.23432e-05" },
2311 { 1.234321234321234e-4, "0.000123432" },
2312 { 1.234321234321234e-3, "0.00123432" },
2313 { 1.234321234321234e-2, "0.0123432" },
2314 { 1.234321234321234e-1, "0.123432" },
2315 { 1.234321234321234, "1.23432" },
2316 { 1.234321234321234e1, "12.3432" },
2317 { 1.234321234321234e2, "123.432" },
2318 { 1.234321234321234e3, "1234.32" },
2319 { 1.234321234321234e4, "12343.2" },
2320 { 1.234321234321234e5, "123432" },
2321 { 1.234321234321234e6, "1.23432e+06" },
2322 { 1.234321234321234e7, "1.23432e+07" },
2323 { 1.234321234321234e8, "1.23432e+08" },
2324 { 1.234321234321234e9, "1.23432e+09" },
2325 { 1.234321234321234e10, "1.23432e+10" },
2326 { 1.234321234321234e11, "1.23432e+11" },
2327 { 1.234321234321234e12, "1.23432e+12" },
2328 { 1.234321234321234e13, "1.23432e+13" },
2329 { 1.234321234321234e14, "1.23432e+14" },
2330 { 1.234321234321234e15, "1.23432e+15" },
2331 { 1.234321234321234e16, "1.23432e+16" },
2332 { 1.234321234321234e17, "1.23432e+17" },
2333 { 1.234321234321234e18, "1.23432e+18" },
2334 { 1.234321234321234e19, "1.23432e+19" },
2335 { 1.234321234321234e20, "1.23432e+20" },
2336 { 1.234321234321234e21, "1.23432e+21" },
2337 { 1.234321234321234e22, "1.23432e+22" },
2338 { 1.234321234321234e23, "1.23432e+23" },
2339 { 1.234321234321234e24, "1.23432e+24" },
2340 { 1.234321234321234e25, "1.23432e+25" },
2341 { 1.234321234321234e26, "1.23432e+26" },
2342 { 1.234321234321234e27, "1.23432e+27" },
2343 { 1.234321234321234e28, "1.23432e+28" },
2344 { 1.234321234321234e29, "1.23432e+29" },
2345 { 1.234321234321234e30, "1.23432e+30" },
2346 { 1.234321234321234e31, "1.23432e+31" },
2347 { 1.234321234321234e32, "1.23432e+32" },
2348 { 1.234321234321234e33, "1.23432e+33" },
2349 { 1.234321234321234e34, "1.23432e+34" },
2350 { 1.234321234321234e35, "1.23432e+35" },
2351 { 1.234321234321234e36, "1.23432e+36" }
2354 for (k = 0; k < SIZEOF (data); k++)
2358 my_sprintf (result, "%g", data[k].value);
2359 const char *expected = data[k].string;
2360 ASSERT (strcmp (result, expected) == 0
2361 /* Some implementations produce exponents with 3 digits. */
2362 || (expected[strlen (expected) - 4] == 'e'
2363 && strlen (result) == strlen (expected) + 1
2364 && memcmp (result, expected, strlen (expected) - 2) == 0
2365 && result[strlen (expected) - 2] == '0'
2366 && strcmp (result + strlen (expected) - 1,
2367 expected + strlen (expected) - 2)
2369 ASSERT (retval == strlen (result));
2373 { /* A negative number. */
2376 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2377 ASSERT (strcmp (result, "-0.03125 33") == 0);
2378 ASSERT (retval == strlen (result));
2381 { /* Positive zero. */
2384 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2385 ASSERT (strcmp (result, "0 33") == 0);
2386 ASSERT (retval == strlen (result));
2389 { /* Negative zero. */
2392 my_sprintf (result, "%g %d", -zerod, 33, 44, 55);
2393 if (have_minus_zero ())
2394 ASSERT (strcmp (result, "-0 33") == 0);
2395 ASSERT (retval == strlen (result));
2398 { /* Positive infinity. */
2401 my_sprintf (result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2402 ASSERT (strcmp (result, "inf 33") == 0
2403 || strcmp (result, "infinity 33") == 0);
2404 ASSERT (retval == strlen (result));
2407 { /* Negative infinity. */
2410 my_sprintf (result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2411 ASSERT (strcmp (result, "-inf 33") == 0
2412 || strcmp (result, "-infinity 33") == 0);
2413 ASSERT (retval == strlen (result));
2419 my_sprintf (result, "%g %d", NaNd (), 33, 44, 55);
2420 ASSERT (strlen (result) >= 3 + 3
2421 && strisnan (result, 0, strlen (result) - 3, 0)
2422 && strcmp (result + strlen (result) - 3, " 33") == 0);
2423 ASSERT (retval == strlen (result));
2429 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2430 ASSERT (strcmp (result, " 1.75 33") == 0);
2431 ASSERT (retval == strlen (result));
2437 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2438 ASSERT (strcmp (result, "1.75 33") == 0);
2439 ASSERT (retval == strlen (result));
2442 { /* FLAG_SHOWSIGN. */
2445 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2446 ASSERT (strcmp (result, "+1.75 33") == 0);
2447 ASSERT (retval == strlen (result));
2453 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2454 ASSERT (strcmp (result, " 1.75 33") == 0);
2455 ASSERT (retval == strlen (result));
2461 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2462 ASSERT (strcmp (result, "1.75000 33") == 0);
2463 ASSERT (retval == strlen (result));
2469 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2470 ASSERT (strcmp (result, "2. 33") == 0);
2471 ASSERT (retval == strlen (result));
2477 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2478 ASSERT (strcmp (result, "1.e+01 33") == 0
2479 || strcmp (result, "1.e+001 33") == 0);
2480 ASSERT (retval == strlen (result));
2483 { /* FLAG_ZERO with finite number. */
2486 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2487 ASSERT (strcmp (result, "0000001234 33") == 0);
2488 ASSERT (retval == strlen (result));
2491 { /* FLAG_ZERO with infinite number. */
2494 my_sprintf (result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2495 ASSERT (strcmp (result, " -inf 33") == 0
2496 || strcmp (result, " -infinity 33") == 0);
2497 ASSERT (retval == strlen (result));
2500 { /* FLAG_ZERO with NaN. */
2503 my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55);
2504 ASSERT (strlen (result) == 50 + 3
2505 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2506 && strcmp (result + strlen (result) - 3, " 33") == 0);
2507 ASSERT (retval == strlen (result));
2513 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2514 ASSERT (strcmp (result, "1e+03 33") == 0
2515 || strcmp (result, "1e+003 33") == 0);
2516 ASSERT (retval == strlen (result));
2519 { /* Precision with no rounding. */
2522 my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55);
2523 ASSERT (strcmp (result, "999.95 33") == 0);
2524 ASSERT (retval == strlen (result));
2527 { /* Precision with rounding. */
2530 my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55);
2531 ASSERT (strcmp (result, "1000 33") == 0);
2532 ASSERT (retval == strlen (result));
2535 { /* A positive number. */
2538 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2539 ASSERT (strcmp (result, "12.75 33") == 0);
2540 ASSERT (retval == strlen (result));
2543 { /* A larger positive number. */
2546 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2547 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2548 || strcmp (result, "1.23457e+006 33") == 0);
2549 ASSERT (retval == strlen (result));
2552 { /* Small and large positive numbers. */
2553 static struct { long double value; const char *string; } data[] =
2555 { 1.234321234321234e-37L, "1.23432e-37" },
2556 { 1.234321234321234e-36L, "1.23432e-36" },
2557 { 1.234321234321234e-35L, "1.23432e-35" },
2558 { 1.234321234321234e-34L, "1.23432e-34" },
2559 { 1.234321234321234e-33L, "1.23432e-33" },
2560 { 1.234321234321234e-32L, "1.23432e-32" },
2561 { 1.234321234321234e-31L, "1.23432e-31" },
2562 { 1.234321234321234e-30L, "1.23432e-30" },
2563 { 1.234321234321234e-29L, "1.23432e-29" },
2564 { 1.234321234321234e-28L, "1.23432e-28" },
2565 { 1.234321234321234e-27L, "1.23432e-27" },
2566 { 1.234321234321234e-26L, "1.23432e-26" },
2567 { 1.234321234321234e-25L, "1.23432e-25" },
2568 { 1.234321234321234e-24L, "1.23432e-24" },
2569 { 1.234321234321234e-23L, "1.23432e-23" },
2570 { 1.234321234321234e-22L, "1.23432e-22" },
2571 { 1.234321234321234e-21L, "1.23432e-21" },
2572 { 1.234321234321234e-20L, "1.23432e-20" },
2573 { 1.234321234321234e-19L, "1.23432e-19" },
2574 { 1.234321234321234e-18L, "1.23432e-18" },
2575 { 1.234321234321234e-17L, "1.23432e-17" },
2576 { 1.234321234321234e-16L, "1.23432e-16" },
2577 { 1.234321234321234e-15L, "1.23432e-15" },
2578 { 1.234321234321234e-14L, "1.23432e-14" },
2579 { 1.234321234321234e-13L, "1.23432e-13" },
2580 { 1.234321234321234e-12L, "1.23432e-12" },
2581 { 1.234321234321234e-11L, "1.23432e-11" },
2582 { 1.234321234321234e-10L, "1.23432e-10" },
2583 { 1.234321234321234e-9L, "1.23432e-09" },
2584 { 1.234321234321234e-8L, "1.23432e-08" },
2585 { 1.234321234321234e-7L, "1.23432e-07" },
2586 { 1.234321234321234e-6L, "1.23432e-06" },
2587 { 1.234321234321234e-5L, "1.23432e-05" },
2588 { 1.234321234321234e-4L, "0.000123432" },
2589 { 1.234321234321234e-3L, "0.00123432" },
2590 { 1.234321234321234e-2L, "0.0123432" },
2591 { 1.234321234321234e-1L, "0.123432" },
2592 { 1.234321234321234L, "1.23432" },
2593 { 1.234321234321234e1L, "12.3432" },
2594 { 1.234321234321234e2L, "123.432" },
2595 { 1.234321234321234e3L, "1234.32" },
2596 { 1.234321234321234e4L, "12343.2" },
2597 { 1.234321234321234e5L, "123432" },
2598 { 1.234321234321234e6L, "1.23432e+06" },
2599 { 1.234321234321234e7L, "1.23432e+07" },
2600 { 1.234321234321234e8L, "1.23432e+08" },
2601 { 1.234321234321234e9L, "1.23432e+09" },
2602 { 1.234321234321234e10L, "1.23432e+10" },
2603 { 1.234321234321234e11L, "1.23432e+11" },
2604 { 1.234321234321234e12L, "1.23432e+12" },
2605 { 1.234321234321234e13L, "1.23432e+13" },
2606 { 1.234321234321234e14L, "1.23432e+14" },
2607 { 1.234321234321234e15L, "1.23432e+15" },
2608 { 1.234321234321234e16L, "1.23432e+16" },
2609 { 1.234321234321234e17L, "1.23432e+17" },
2610 { 1.234321234321234e18L, "1.23432e+18" },
2611 { 1.234321234321234e19L, "1.23432e+19" },
2612 { 1.234321234321234e20L, "1.23432e+20" },
2613 { 1.234321234321234e21L, "1.23432e+21" },
2614 { 1.234321234321234e22L, "1.23432e+22" },
2615 { 1.234321234321234e23L, "1.23432e+23" },
2616 { 1.234321234321234e24L, "1.23432e+24" },
2617 { 1.234321234321234e25L, "1.23432e+25" },
2618 { 1.234321234321234e26L, "1.23432e+26" },
2619 { 1.234321234321234e27L, "1.23432e+27" },
2620 { 1.234321234321234e28L, "1.23432e+28" },
2621 { 1.234321234321234e29L, "1.23432e+29" },
2622 { 1.234321234321234e30L, "1.23432e+30" },
2623 { 1.234321234321234e31L, "1.23432e+31" },
2624 { 1.234321234321234e32L, "1.23432e+32" },
2625 { 1.234321234321234e33L, "1.23432e+33" },
2626 { 1.234321234321234e34L, "1.23432e+34" },
2627 { 1.234321234321234e35L, "1.23432e+35" },
2628 { 1.234321234321234e36L, "1.23432e+36" }
2631 for (k = 0; k < SIZEOF (data); k++)
2635 my_sprintf (result, "%Lg", data[k].value);
2636 const char *expected = data[k].string;
2637 ASSERT (strcmp (result, expected) == 0
2638 /* Some implementations produce exponents with 3 digits. */
2639 || (expected[strlen (expected) - 4] == 'e'
2640 && strlen (result) == strlen (expected) + 1
2641 && memcmp (result, expected, strlen (expected) - 2) == 0
2642 && result[strlen (expected) - 2] == '0'
2643 && strcmp (result + strlen (expected) - 1,
2644 expected + strlen (expected) - 2)
2646 ASSERT (retval == strlen (result));
2650 { /* A negative number. */
2653 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2654 ASSERT (strcmp (result, "-0.03125 33") == 0);
2655 ASSERT (retval == strlen (result));
2658 { /* Positive zero. */
2661 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2662 ASSERT (strcmp (result, "0 33") == 0);
2663 ASSERT (retval == strlen (result));
2666 { /* Negative zero. */
2669 my_sprintf (result, "%Lg %d", minus_zerol, 33, 44, 55);
2670 if (have_minus_zero ())
2671 ASSERT (strcmp (result, "-0 33") == 0);
2672 ASSERT (retval == strlen (result));
2675 { /* Positive infinity. */
2678 my_sprintf (result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2679 ASSERT (strcmp (result, "inf 33") == 0
2680 || strcmp (result, "infinity 33") == 0);
2681 ASSERT (retval == strlen (result));
2684 { /* Negative infinity. */
2687 my_sprintf (result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2688 ASSERT (strcmp (result, "-inf 33") == 0
2689 || strcmp (result, "-infinity 33") == 0);
2690 ASSERT (retval == strlen (result));
2696 my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55);
2697 ASSERT (strlen (result) >= 3 + 3
2698 && strisnan (result, 0, strlen (result) - 3, 0)
2699 && strcmp (result + strlen (result) - 3, " 33") == 0);
2700 ASSERT (retval == strlen (result));
2702 #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_))
2704 static union { unsigned int word[4]; long double value; } x =
2705 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2708 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2709 ASSERT (strlen (result) >= 3 + 3
2710 && strisnan (result, 0, strlen (result) - 3, 0)
2711 && strcmp (result + strlen (result) - 3, " 33") == 0);
2712 ASSERT (retval == strlen (result));
2715 /* Signalling NaN. */
2716 static union { unsigned int word[4]; long double value; } x =
2717 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2720 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
2721 ASSERT (strlen (result) >= 3 + 3
2722 && strisnan (result, 0, strlen (result) - 3, 0)
2723 && strcmp (result + strlen (result) - 3, " 33") == 0);
2724 ASSERT (retval == strlen (result));
2726 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2727 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2728 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2729 Application Architecture.
2730 Table 5-2 "Floating-Point Register Encodings"
2731 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2734 static union { unsigned int word[4]; long double value; } x =
2735 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2738 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2739 ASSERT (strlen (result) >= 3 + 3
2740 && strisnan (result, 0, strlen (result) - 3, 0)
2741 && strcmp (result + strlen (result) - 3, " 33") == 0);
2742 ASSERT (retval == strlen (result));
2744 { /* Pseudo-Infinity. */
2745 static union { unsigned int word[4]; long double value; } x =
2746 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2749 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2750 ASSERT (strlen (result) >= 3 + 3
2751 && strisnan (result, 0, strlen (result) - 3, 0)
2752 && strcmp (result + strlen (result) - 3, " 33") == 0);
2753 ASSERT (retval == strlen (result));
2755 { /* Pseudo-Zero. */
2756 static union { unsigned int word[4]; long double value; } x =
2757 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2760 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2761 ASSERT (strlen (result) >= 3 + 3
2762 && strisnan (result, 0, strlen (result) - 3, 0)
2763 && strcmp (result + strlen (result) - 3, " 33") == 0);
2764 ASSERT (retval == strlen (result));
2766 { /* Unnormalized number. */
2767 static union { unsigned int word[4]; long double value; } x =
2768 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2771 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2772 ASSERT (strlen (result) >= 3 + 3
2773 && strisnan (result, 0, strlen (result) - 3, 0)
2774 && strcmp (result + strlen (result) - 3, " 33") == 0);
2775 ASSERT (retval == strlen (result));
2777 { /* Pseudo-Denormal. */
2778 static union { unsigned int word[4]; long double value; } x =
2779 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2782 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2783 ASSERT (strlen (result) >= 3 + 3
2784 && strisnan (result, 0, strlen (result) - 3, 0)
2785 && strcmp (result + strlen (result) - 3, " 33") == 0);
2786 ASSERT (retval == strlen (result));
2793 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2794 ASSERT (strcmp (result, " 1.75 33") == 0);
2795 ASSERT (retval == strlen (result));
2801 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2802 ASSERT (strcmp (result, "1.75 33") == 0);
2803 ASSERT (retval == strlen (result));
2806 { /* FLAG_SHOWSIGN. */
2809 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2810 ASSERT (strcmp (result, "+1.75 33") == 0);
2811 ASSERT (retval == strlen (result));
2817 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2818 ASSERT (strcmp (result, " 1.75 33") == 0);
2819 ASSERT (retval == strlen (result));
2825 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2826 ASSERT (strcmp (result, "1.75000 33") == 0);
2827 ASSERT (retval == strlen (result));
2833 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2834 ASSERT (strcmp (result, "2. 33") == 0);
2835 ASSERT (retval == strlen (result));
2841 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2842 ASSERT (strcmp (result, "1.e+01 33") == 0
2843 || strcmp (result, "1.e+001 33") == 0);
2844 ASSERT (retval == strlen (result));
2847 { /* FLAG_ZERO with finite number. */
2850 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2851 ASSERT (strcmp (result, "0000001234 33") == 0);
2852 ASSERT (retval == strlen (result));
2855 { /* FLAG_ZERO with infinite number. */
2858 my_sprintf (result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2859 ASSERT (strcmp (result, " -inf 33") == 0
2860 || strcmp (result, " -infinity 33") == 0);
2861 ASSERT (retval == strlen (result));
2864 { /* FLAG_ZERO with NaN. */
2867 my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55);
2868 ASSERT (strlen (result) == 50 + 3
2869 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2870 && strcmp (result + strlen (result) - 3, " 33") == 0);
2871 ASSERT (retval == strlen (result));
2877 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2878 ASSERT (strcmp (result, "1e+03 33") == 0
2879 || strcmp (result, "1e+003 33") == 0);
2880 ASSERT (retval == strlen (result));
2883 { /* Precision with no rounding. */
2886 my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55);
2887 ASSERT (strcmp (result, "999.95 33") == 0);
2888 ASSERT (retval == strlen (result));
2891 { /* Precision with rounding. */
2894 my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55);
2895 ASSERT (strcmp (result, "1000 33") == 0);
2896 ASSERT (retval == strlen (result));
2899 /* Test the support of the %n format directive. */
2905 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2906 ASSERT (strcmp (result, "123 ") == 0);
2907 ASSERT (retval == strlen (result));
2908 ASSERT (count == 4);
2911 /* Test the support of the POSIX/XSI format strings with positions. */
2916 my_sprintf (result, "%2$d %1$d", 33, 55);
2917 ASSERT (strcmp (result, "55 33") == 0);
2918 ASSERT (retval == strlen (result));
2921 /* Test the support of the grouping flag. */
2926 my_sprintf (result, "%'d %d", 1234567, 99);
2927 ASSERT (result[strlen (result) - 1] == '9');
2928 ASSERT (retval == strlen (result));
2931 /* Test the support of the left-adjust flag. */
2936 my_sprintf (result, "a%*sc", -3, "b");
2937 ASSERT (strcmp (result, "ab c") == 0);
2938 ASSERT (retval == strlen (result));
2944 my_sprintf (result, "a%-*sc", 3, "b");
2945 ASSERT (strcmp (result, "ab c") == 0);
2946 ASSERT (retval == strlen (result));
2952 my_sprintf (result, "a%-*sc", -3, "b");
2953 ASSERT (strcmp (result, "ab c") == 0);
2954 ASSERT (retval == strlen (result));
2957 /* Test the support of large precision. */
2962 my_sprintf (result, "%.4000d %d", 1234567, 99);
2964 for (i = 0; i < 4000 - 7; i++)
2965 ASSERT (result[i] == '0');
2966 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2967 ASSERT (retval == strlen (result));
2973 my_sprintf (result, "%.*d %d", 4000, 1234567, 99);
2975 for (i = 0; i < 4000 - 7; i++)
2976 ASSERT (result[i] == '0');
2977 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2978 ASSERT (retval == strlen (result));
2984 my_sprintf (result, "%.4000d %d", -1234567, 99);
2986 ASSERT (result[0] == '-');
2987 for (i = 0; i < 4000 - 7; i++)
2988 ASSERT (result[1 + i] == '0');
2989 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2990 ASSERT (retval == strlen (result));
2996 my_sprintf (result, "%.4000u %d", 1234567, 99);
2998 for (i = 0; i < 4000 - 7; i++)
2999 ASSERT (result[i] == '0');
3000 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
3001 ASSERT (retval == strlen (result));
3007 my_sprintf (result, "%.4000o %d", 1234567, 99);
3009 for (i = 0; i < 4000 - 7; i++)
3010 ASSERT (result[i] == '0');
3011 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3012 ASSERT (retval == strlen (result));
3018 my_sprintf (result, "%.4000x %d", 1234567, 99);
3020 for (i = 0; i < 4000 - 6; i++)
3021 ASSERT (result[i] == '0');
3022 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3023 ASSERT (retval == strlen (result));
3029 my_sprintf (result, "%#.4000x %d", 1234567, 99);
3031 ASSERT (result[0] == '0');
3032 ASSERT (result[1] == 'x');
3033 for (i = 0; i < 4000 - 6; i++)
3034 ASSERT (result[2 + i] == '0');
3035 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3036 ASSERT (retval == strlen (result));
3045 for (i = 0; i < sizeof (input) - 1; i++)
3046 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3048 retval = my_sprintf (result, "%.4000s %d", input, 99);
3049 ASSERT (memcmp (result, input, 4000) == 0);
3050 ASSERT (strcmp (result + 4000, " 99") == 0);
3051 ASSERT (retval == strlen (result));
3054 /* Test the support of the %s format directive. */
3056 /* To verify that these tests succeed, it is necessary to run them under
3057 a tool that checks against invalid memory accesses, such as ElectricFence
3058 or "valgrind --tool=memcheck". */
3062 for (i = 1; i <= 8; i++)
3068 block = (char *) malloc (i);
3069 memcpy (block, "abcdefgh", i);
3070 retval = my_sprintf (result, "%.*s", (int) i, block);
3071 ASSERT (memcmp (result, block, i) == 0);
3072 ASSERT (result[i] == '\0');
3073 ASSERT (retval == strlen (result));
3081 for (i = 1; i <= 8; i++)
3088 block = (wchar_t *) malloc (i * sizeof (wchar_t));
3089 for (j = 0; j < i; j++)
3090 block[j] = "abcdefgh"[j];
3091 retval = my_sprintf (result, "%.*ls", (int) i, block);
3092 ASSERT (memcmp (result, "abcdefgh", i) == 0);
3093 ASSERT (result[i] == '\0');
3094 ASSERT (retval == strlen (result));