1 /* Test of POSIX compatible vsprintf() and sprintf() functions.
2 Copyright (C) 2007-2008 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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 -zero instead. */
34 /* HP cc on HP-UX 10.20 has a bug with the constant expression -0.0L.
35 So we use -zero instead. */
36 long double zerol = 0.0L;
38 /* Representation of an 80-bit 'long double' as an initializer for a sequence
39 of 'unsigned int' words. */
40 #ifdef WORDS_BIGENDIAN
41 # define LDBL80_WORDS(exponent,manthi,mantlo) \
42 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
43 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
44 (unsigned int) (mantlo) << 16 \
47 # define LDBL80_WORDS(exponent,manthi,mantlo) \
48 { mantlo, manthi, exponent }
52 strmatch (const char *pattern, const char *string)
54 if (strlen (pattern) != strlen (string))
56 for (; *pattern != '\0'; pattern++, string++)
57 if (*pattern != '*' && *string != *pattern)
62 /* Test whether string[start_index..end_index-1] is a valid textual
63 representation of NaN. */
65 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
67 if (start_index < end_index)
69 if (string[start_index] == '-')
71 if (start_index + 3 <= end_index
72 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
75 if (start_index == end_index
76 || (string[start_index] == '(' && string[end_index - 1] == ')'))
84 test_function (int (*my_sprintf) (char *, const char *, ...))
88 /* Test return value convention. */
93 memcpy (buf, "DEADBEEF", 8);
94 retval = my_sprintf (buf, "%d", 12345);
96 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
99 /* Test support of size specifiers as in C99. */
104 my_sprintf (result, "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
105 ASSERT (strcmp (result, "12345671 33") == 0);
106 ASSERT (retval == strlen (result));
112 my_sprintf (result, "%zu %d", (size_t) 12345672, 33, 44, 55);
113 ASSERT (strcmp (result, "12345672 33") == 0);
114 ASSERT (retval == strlen (result));
120 my_sprintf (result, "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
121 ASSERT (strcmp (result, "12345673 33") == 0);
122 ASSERT (retval == strlen (result));
128 my_sprintf (result, "%Lg %d", (long double) 1.5, 33, 44, 55);
129 ASSERT (strcmp (result, "1.5 33") == 0);
130 ASSERT (retval == strlen (result));
133 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
134 output of floating-point numbers. */
136 { /* A positive number. */
139 my_sprintf (result, "%a %d", 3.1416015625, 33, 44, 55);
140 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
141 || strcmp (result, "0x3.244p+0 33") == 0
142 || strcmp (result, "0x6.488p-1 33") == 0
143 || strcmp (result, "0xc.91p-2 33") == 0);
144 ASSERT (retval == strlen (result));
147 { /* A negative number. */
150 my_sprintf (result, "%A %d", -3.1416015625, 33, 44, 55);
151 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
152 || strcmp (result, "-0X3.244P+0 33") == 0
153 || strcmp (result, "-0X6.488P-1 33") == 0
154 || strcmp (result, "-0XC.91P-2 33") == 0);
155 ASSERT (retval == strlen (result));
158 { /* Positive zero. */
161 my_sprintf (result, "%a %d", 0.0, 33, 44, 55);
162 ASSERT (strcmp (result, "0x0p+0 33") == 0);
163 ASSERT (retval == strlen (result));
166 { /* Negative zero. */
169 my_sprintf (result, "%a %d", -zerod, 33, 44, 55);
170 if (have_minus_zero ())
171 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
172 ASSERT (retval == strlen (result));
175 { /* Positive infinity. */
178 my_sprintf (result, "%a %d", 1.0 / 0.0, 33, 44, 55);
179 ASSERT (strcmp (result, "inf 33") == 0);
180 ASSERT (retval == strlen (result));
183 { /* Negative infinity. */
186 my_sprintf (result, "%a %d", -1.0 / 0.0, 33, 44, 55);
187 ASSERT (strcmp (result, "-inf 33") == 0);
188 ASSERT (retval == strlen (result));
194 my_sprintf (result, "%a %d", NaNd (), 33, 44, 55);
195 ASSERT (strlen (result) >= 3 + 3
196 && strisnan (result, 0, strlen (result) - 3, 0)
197 && strcmp (result + strlen (result) - 3, " 33") == 0);
198 ASSERT (retval == strlen (result));
201 { /* Rounding near the decimal point. */
204 my_sprintf (result, "%.0a %d", 1.5, 33, 44, 55);
205 ASSERT (strcmp (result, "0x2p+0 33") == 0
206 || strcmp (result, "0x3p-1 33") == 0
207 || strcmp (result, "0x6p-2 33") == 0
208 || strcmp (result, "0xcp-3 33") == 0);
209 ASSERT (retval == strlen (result));
212 { /* Rounding with precision 0. */
215 my_sprintf (result, "%.0a %d", 1.51, 33, 44, 55);
216 ASSERT (strcmp (result, "0x2p+0 33") == 0
217 || strcmp (result, "0x3p-1 33") == 0
218 || strcmp (result, "0x6p-2 33") == 0
219 || strcmp (result, "0xcp-3 33") == 0);
220 ASSERT (retval == strlen (result));
223 { /* Rounding with precision 1. */
226 my_sprintf (result, "%.1a %d", 1.51, 33, 44, 55);
227 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
228 || strcmp (result, "0x3.0p-1 33") == 0
229 || strcmp (result, "0x6.1p-2 33") == 0
230 || strcmp (result, "0xc.1p-3 33") == 0);
231 ASSERT (retval == strlen (result));
234 { /* Rounding with precision 2. */
237 my_sprintf (result, "%.2a %d", 1.51, 33, 44, 55);
238 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
239 || strcmp (result, "0x3.05p-1 33") == 0
240 || strcmp (result, "0x6.0ap-2 33") == 0
241 || strcmp (result, "0xc.14p-3 33") == 0);
242 ASSERT (retval == strlen (result));
245 { /* Rounding with precision 3. */
248 my_sprintf (result, "%.3a %d", 1.51, 33, 44, 55);
249 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
250 || strcmp (result, "0x3.052p-1 33") == 0
251 || strcmp (result, "0x6.0a4p-2 33") == 0
252 || strcmp (result, "0xc.148p-3 33") == 0);
253 ASSERT (retval == strlen (result));
256 { /* Rounding can turn a ...FFF into a ...000. */
259 my_sprintf (result, "%.3a %d", 1.49999, 33, 44, 55);
260 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
261 || strcmp (result, "0x3.000p-1 33") == 0
262 || strcmp (result, "0x6.000p-2 33") == 0
263 || strcmp (result, "0xc.000p-3 33") == 0);
264 ASSERT (retval == strlen (result));
267 { /* Rounding can turn a ...FFF into a ...000.
268 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
271 my_sprintf (result, "%.1a %d", 1.999, 33, 44, 55);
272 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
273 || strcmp (result, "0x2.0p+0 33") == 0
274 || strcmp (result, "0x4.0p-1 33") == 0
275 || strcmp (result, "0x8.0p-2 33") == 0);
276 ASSERT (retval == strlen (result));
282 my_sprintf (result, "%10a %d", 1.75, 33, 44, 55);
283 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
284 || strcmp (result, " 0x3.8p-1 33") == 0
285 || strcmp (result, " 0x7p-2 33") == 0
286 || strcmp (result, " 0xep-3 33") == 0);
287 ASSERT (retval == strlen (result));
290 { /* Small precision. */
293 my_sprintf (result, "%.10a %d", 1.75, 33, 44, 55);
294 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
295 || strcmp (result, "0x3.8000000000p-1 33") == 0
296 || strcmp (result, "0x7.0000000000p-2 33") == 0
297 || strcmp (result, "0xe.0000000000p-3 33") == 0);
298 ASSERT (retval == strlen (result));
301 { /* Large precision. */
304 my_sprintf (result, "%.50a %d", 1.75, 33, 44, 55);
305 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
306 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
307 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
308 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
309 ASSERT (retval == strlen (result));
315 my_sprintf (result, "%-10a %d", 1.75, 33, 44, 55);
316 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
317 || strcmp (result, "0x3.8p-1 33") == 0
318 || strcmp (result, "0x7p-2 33") == 0
319 || strcmp (result, "0xep-3 33") == 0);
320 ASSERT (retval == strlen (result));
323 { /* FLAG_SHOWSIGN. */
326 my_sprintf (result, "%+a %d", 1.75, 33, 44, 55);
327 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
328 || strcmp (result, "+0x3.8p-1 33") == 0
329 || strcmp (result, "+0x7p-2 33") == 0
330 || strcmp (result, "+0xep-3 33") == 0);
331 ASSERT (retval == strlen (result));
337 my_sprintf (result, "% a %d", 1.75, 33, 44, 55);
338 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
339 || strcmp (result, " 0x3.8p-1 33") == 0
340 || strcmp (result, " 0x7p-2 33") == 0
341 || strcmp (result, " 0xep-3 33") == 0);
342 ASSERT (retval == strlen (result));
348 my_sprintf (result, "%#a %d", 1.75, 33, 44, 55);
349 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
350 || strcmp (result, "0x3.8p-1 33") == 0
351 || strcmp (result, "0x7.p-2 33") == 0
352 || strcmp (result, "0xe.p-3 33") == 0);
353 ASSERT (retval == strlen (result));
359 my_sprintf (result, "%#a %d", 1.0, 33, 44, 55);
360 ASSERT (strcmp (result, "0x1.p+0 33") == 0
361 || strcmp (result, "0x2.p-1 33") == 0
362 || strcmp (result, "0x4.p-2 33") == 0
363 || strcmp (result, "0x8.p-3 33") == 0);
364 ASSERT (retval == strlen (result));
367 { /* FLAG_ZERO with finite number. */
370 my_sprintf (result, "%010a %d", 1.75, 33, 44, 55);
371 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
372 || strcmp (result, "0x003.8p-1 33") == 0
373 || strcmp (result, "0x00007p-2 33") == 0
374 || strcmp (result, "0x0000ep-3 33") == 0);
375 ASSERT (retval == strlen (result));
378 { /* FLAG_ZERO with infinite number. */
381 my_sprintf (result, "%010a %d", 1.0 / 0.0, 33, 44, 55);
382 /* "0000000inf 33" is not a valid result; see
383 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
384 ASSERT (strcmp (result, " inf 33") == 0);
385 ASSERT (retval == strlen (result));
388 { /* FLAG_ZERO with NaN. */
391 my_sprintf (result, "%050a %d", NaNd (), 33, 44, 55);
392 /* "0000000nan 33" is not a valid result; see
393 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
394 ASSERT (strlen (result) == 50 + 3
395 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
396 && strcmp (result + strlen (result) - 3, " 33") == 0);
397 ASSERT (retval == strlen (result));
400 { /* A positive number. */
403 my_sprintf (result, "%La %d", 3.1416015625L, 33, 44, 55);
404 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
405 || strcmp (result, "0x3.244p+0 33") == 0
406 || strcmp (result, "0x6.488p-1 33") == 0
407 || strcmp (result, "0xc.91p-2 33") == 0);
408 ASSERT (retval == strlen (result));
411 { /* A negative number. */
414 my_sprintf (result, "%LA %d", -3.1416015625L, 33, 44, 55);
415 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
416 || strcmp (result, "-0X3.244P+0 33") == 0
417 || strcmp (result, "-0X6.488P-1 33") == 0
418 || strcmp (result, "-0XC.91P-2 33") == 0);
419 ASSERT (retval == strlen (result));
422 { /* Positive zero. */
425 my_sprintf (result, "%La %d", 0.0L, 33, 44, 55);
426 ASSERT (strcmp (result, "0x0p+0 33") == 0);
427 ASSERT (retval == strlen (result));
430 { /* Negative zero. */
433 my_sprintf (result, "%La %d", -zerol, 33, 44, 55);
434 if (have_minus_zero ())
435 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
436 ASSERT (retval == strlen (result));
439 { /* Positive infinity. */
442 my_sprintf (result, "%La %d", 1.0L / 0.0L, 33, 44, 55);
443 ASSERT (strcmp (result, "inf 33") == 0);
444 ASSERT (retval == strlen (result));
447 { /* Negative infinity. */
450 my_sprintf (result, "%La %d", -1.0L / 0.0L, 33, 44, 55);
451 ASSERT (strcmp (result, "-inf 33") == 0);
452 ASSERT (retval == strlen (result));
458 my_sprintf (result, "%La %d", NaNl (), 33, 44, 55);
459 ASSERT (strlen (result) >= 3 + 3
460 && strisnan (result, 0, strlen (result) - 3, 0)
461 && strcmp (result + strlen (result) - 3, " 33") == 0);
462 ASSERT (retval == strlen (result));
464 #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_))
466 static union { unsigned int word[4]; long double value; } x =
467 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
470 my_sprintf (result, "%La %d", x.value, 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));
477 /* Signalling NaN. */
478 static union { unsigned int word[4]; long double value; } x =
479 { LDBL80_WORDS (0xFFFF, 0x83333333, 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));
488 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
489 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
490 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
491 Application Architecture.
492 Table 5-2 "Floating-Point Register Encodings"
493 Figure 5-6 "Memory to Floating-Point Register Data Translation"
496 static union { unsigned int word[4]; long double value; } x =
497 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
500 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
501 ASSERT (strlen (result) >= 3 + 3
502 && strisnan (result, 0, strlen (result) - 3, 0)
503 && strcmp (result + strlen (result) - 3, " 33") == 0);
504 ASSERT (retval == strlen (result));
506 { /* Pseudo-Infinity. */
507 static union { unsigned int word[4]; long double value; } x =
508 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
511 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
512 ASSERT (strlen (result) >= 3 + 3
513 && strisnan (result, 0, strlen (result) - 3, 0)
514 && strcmp (result + strlen (result) - 3, " 33") == 0);
515 ASSERT (retval == strlen (result));
518 static union { unsigned int word[4]; long double value; } x =
519 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
522 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
523 ASSERT (strlen (result) >= 3 + 3
524 && strisnan (result, 0, strlen (result) - 3, 0)
525 && strcmp (result + strlen (result) - 3, " 33") == 0);
526 ASSERT (retval == strlen (result));
528 { /* Unnormalized number. */
529 static union { unsigned int word[4]; long double value; } x =
530 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
533 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
534 ASSERT (strlen (result) >= 3 + 3
535 && strisnan (result, 0, strlen (result) - 3, 0)
536 && strcmp (result + strlen (result) - 3, " 33") == 0);
537 ASSERT (retval == strlen (result));
539 { /* Pseudo-Denormal. */
540 static union { unsigned int word[4]; long double value; } x =
541 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
544 my_sprintf (result, "%La %d", x.value, 33, 44, 55);
545 ASSERT (strlen (result) >= 3 + 3
546 && strisnan (result, 0, strlen (result) - 3, 0)
547 && strcmp (result + strlen (result) - 3, " 33") == 0);
548 ASSERT (retval == strlen (result));
552 { /* Rounding near the decimal point. */
555 my_sprintf (result, "%.0La %d", 1.5L, 33, 44, 55);
556 ASSERT (strcmp (result, "0x2p+0 33") == 0
557 || strcmp (result, "0x3p-1 33") == 0
558 || strcmp (result, "0x6p-2 33") == 0
559 || strcmp (result, "0xcp-3 33") == 0);
560 ASSERT (retval == strlen (result));
563 { /* Rounding with precision 0. */
566 my_sprintf (result, "%.0La %d", 1.51L, 33, 44, 55);
567 ASSERT (strcmp (result, "0x2p+0 33") == 0
568 || strcmp (result, "0x3p-1 33") == 0
569 || strcmp (result, "0x6p-2 33") == 0
570 || strcmp (result, "0xcp-3 33") == 0);
571 ASSERT (retval == strlen (result));
574 { /* Rounding with precision 1. */
577 my_sprintf (result, "%.1La %d", 1.51L, 33, 44, 55);
578 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
579 || strcmp (result, "0x3.0p-1 33") == 0
580 || strcmp (result, "0x6.1p-2 33") == 0
581 || strcmp (result, "0xc.1p-3 33") == 0);
582 ASSERT (retval == strlen (result));
585 { /* Rounding with precision 2. */
588 my_sprintf (result, "%.2La %d", 1.51L, 33, 44, 55);
589 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
590 || strcmp (result, "0x3.05p-1 33") == 0
591 || strcmp (result, "0x6.0ap-2 33") == 0
592 || strcmp (result, "0xc.14p-3 33") == 0);
593 ASSERT (retval == strlen (result));
596 { /* Rounding with precision 3. */
599 my_sprintf (result, "%.3La %d", 1.51L, 33, 44, 55);
600 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
601 || strcmp (result, "0x3.052p-1 33") == 0
602 || strcmp (result, "0x6.0a4p-2 33") == 0
603 || strcmp (result, "0xc.148p-3 33") == 0);
604 ASSERT (retval == strlen (result));
607 { /* Rounding can turn a ...FFF into a ...000. */
610 my_sprintf (result, "%.3La %d", 1.49999L, 33, 44, 55);
611 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
612 || strcmp (result, "0x3.000p-1 33") == 0
613 || strcmp (result, "0x6.000p-2 33") == 0
614 || strcmp (result, "0xc.000p-3 33") == 0);
615 ASSERT (retval == strlen (result));
618 { /* Rounding can turn a ...FFF into a ...000.
619 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
620 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
623 my_sprintf (result, "%.1La %d", 1.999L, 33, 44, 55);
624 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
625 || strcmp (result, "0x2.0p+0 33") == 0
626 || strcmp (result, "0x4.0p-1 33") == 0
627 || strcmp (result, "0x8.0p-2 33") == 0);
628 ASSERT (retval == strlen (result));
634 my_sprintf (result, "%10La %d", 1.75L, 33, 44, 55);
635 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
636 || strcmp (result, " 0x3.8p-1 33") == 0
637 || strcmp (result, " 0x7p-2 33") == 0
638 || strcmp (result, " 0xep-3 33") == 0);
639 ASSERT (retval == strlen (result));
642 { /* Small precision. */
645 my_sprintf (result, "%.10La %d", 1.75L, 33, 44, 55);
646 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
647 || strcmp (result, "0x3.8000000000p-1 33") == 0
648 || strcmp (result, "0x7.0000000000p-2 33") == 0
649 || strcmp (result, "0xe.0000000000p-3 33") == 0);
650 ASSERT (retval == strlen (result));
653 { /* Large precision. */
656 my_sprintf (result, "%.50La %d", 1.75L, 33, 44, 55);
657 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
658 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
659 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
660 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
661 ASSERT (retval == strlen (result));
667 my_sprintf (result, "%-10La %d", 1.75L, 33, 44, 55);
668 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
669 || strcmp (result, "0x3.8p-1 33") == 0
670 || strcmp (result, "0x7p-2 33") == 0
671 || strcmp (result, "0xep-3 33") == 0);
672 ASSERT (retval == strlen (result));
675 { /* FLAG_SHOWSIGN. */
678 my_sprintf (result, "%+La %d", 1.75L, 33, 44, 55);
679 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
680 || strcmp (result, "+0x3.8p-1 33") == 0
681 || strcmp (result, "+0x7p-2 33") == 0
682 || strcmp (result, "+0xep-3 33") == 0);
683 ASSERT (retval == strlen (result));
689 my_sprintf (result, "% La %d", 1.75L, 33, 44, 55);
690 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
691 || strcmp (result, " 0x3.8p-1 33") == 0
692 || strcmp (result, " 0x7p-2 33") == 0
693 || strcmp (result, " 0xep-3 33") == 0);
694 ASSERT (retval == strlen (result));
700 my_sprintf (result, "%#La %d", 1.75L, 33, 44, 55);
701 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
702 || strcmp (result, "0x3.8p-1 33") == 0
703 || strcmp (result, "0x7.p-2 33") == 0
704 || strcmp (result, "0xe.p-3 33") == 0);
705 ASSERT (retval == strlen (result));
711 my_sprintf (result, "%#La %d", 1.0L, 33, 44, 55);
712 ASSERT (strcmp (result, "0x1.p+0 33") == 0
713 || strcmp (result, "0x2.p-1 33") == 0
714 || strcmp (result, "0x4.p-2 33") == 0
715 || strcmp (result, "0x8.p-3 33") == 0);
716 ASSERT (retval == strlen (result));
719 { /* FLAG_ZERO with finite number. */
722 my_sprintf (result, "%010La %d", 1.75L, 33, 44, 55);
723 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
724 || strcmp (result, "0x003.8p-1 33") == 0
725 || strcmp (result, "0x00007p-2 33") == 0
726 || strcmp (result, "0x0000ep-3 33") == 0);
727 ASSERT (retval == strlen (result));
730 { /* FLAG_ZERO with infinite number. */
733 my_sprintf (result, "%010La %d", 1.0L / 0.0L, 33, 44, 55);
734 /* "0000000inf 33" is not a valid result; see
735 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
736 ASSERT (strcmp (result, " inf 33") == 0);
737 ASSERT (retval == strlen (result));
740 { /* FLAG_ZERO with NaN. */
743 my_sprintf (result, "%050La %d", NaNl (), 33, 44, 55);
744 /* "0000000nan 33" is not a valid result; see
745 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
746 ASSERT (strlen (result) == 50 + 3
747 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
748 && strcmp (result + strlen (result) - 3, " 33") == 0);
749 ASSERT (retval == strlen (result));
752 /* Test the support of the %f format directive. */
754 { /* A positive number. */
757 my_sprintf (result, "%f %d", 12.75, 33, 44, 55);
758 ASSERT (strcmp (result, "12.750000 33") == 0);
759 ASSERT (retval == strlen (result));
762 { /* A larger positive number. */
765 my_sprintf (result, "%f %d", 1234567.0, 33, 44, 55);
766 ASSERT (strcmp (result, "1234567.000000 33") == 0);
767 ASSERT (retval == strlen (result));
770 { /* Small and large positive numbers. */
771 static struct { double value; const char *string; } data[] =
773 { 1.234321234321234e-37, "0.000000" },
774 { 1.234321234321234e-36, "0.000000" },
775 { 1.234321234321234e-35, "0.000000" },
776 { 1.234321234321234e-34, "0.000000" },
777 { 1.234321234321234e-33, "0.000000" },
778 { 1.234321234321234e-32, "0.000000" },
779 { 1.234321234321234e-31, "0.000000" },
780 { 1.234321234321234e-30, "0.000000" },
781 { 1.234321234321234e-29, "0.000000" },
782 { 1.234321234321234e-28, "0.000000" },
783 { 1.234321234321234e-27, "0.000000" },
784 { 1.234321234321234e-26, "0.000000" },
785 { 1.234321234321234e-25, "0.000000" },
786 { 1.234321234321234e-24, "0.000000" },
787 { 1.234321234321234e-23, "0.000000" },
788 { 1.234321234321234e-22, "0.000000" },
789 { 1.234321234321234e-21, "0.000000" },
790 { 1.234321234321234e-20, "0.000000" },
791 { 1.234321234321234e-19, "0.000000" },
792 { 1.234321234321234e-18, "0.000000" },
793 { 1.234321234321234e-17, "0.000000" },
794 { 1.234321234321234e-16, "0.000000" },
795 { 1.234321234321234e-15, "0.000000" },
796 { 1.234321234321234e-14, "0.000000" },
797 { 1.234321234321234e-13, "0.000000" },
798 { 1.234321234321234e-12, "0.000000" },
799 { 1.234321234321234e-11, "0.000000" },
800 { 1.234321234321234e-10, "0.000000" },
801 { 1.234321234321234e-9, "0.000000" },
802 { 1.234321234321234e-8, "0.000000" },
803 { 1.234321234321234e-7, "0.000000" },
804 { 1.234321234321234e-6, "0.000001" },
805 { 1.234321234321234e-5, "0.000012" },
806 { 1.234321234321234e-4, "0.000123" },
807 { 1.234321234321234e-3, "0.001234" },
808 { 1.234321234321234e-2, "0.012343" },
809 { 1.234321234321234e-1, "0.123432" },
810 { 1.234321234321234, "1.234321" },
811 { 1.234321234321234e1, "12.343212" },
812 { 1.234321234321234e2, "123.432123" },
813 { 1.234321234321234e3, "1234.321234" },
814 { 1.234321234321234e4, "12343.212343" },
815 { 1.234321234321234e5, "123432.123432" },
816 { 1.234321234321234e6, "1234321.234321" },
817 { 1.234321234321234e7, "12343212.343212" },
818 { 1.234321234321234e8, "123432123.432123" },
819 { 1.234321234321234e9, "1234321234.321234" },
820 { 1.234321234321234e10, "12343212343.2123**" },
821 { 1.234321234321234e11, "123432123432.123***" },
822 { 1.234321234321234e12, "1234321234321.23****" },
823 { 1.234321234321234e13, "12343212343212.3*****" },
824 { 1.234321234321234e14, "123432123432123.******" },
825 { 1.234321234321234e15, "1234321234321234.000000" },
826 { 1.234321234321234e16, "123432123432123**.000000" },
827 { 1.234321234321234e17, "123432123432123***.000000" },
828 { 1.234321234321234e18, "123432123432123****.000000" },
829 { 1.234321234321234e19, "123432123432123*****.000000" },
830 { 1.234321234321234e20, "123432123432123******.000000" },
831 { 1.234321234321234e21, "123432123432123*******.000000" },
832 { 1.234321234321234e22, "123432123432123********.000000" },
833 { 1.234321234321234e23, "123432123432123*********.000000" },
834 { 1.234321234321234e24, "123432123432123**********.000000" },
835 { 1.234321234321234e25, "123432123432123***********.000000" },
836 { 1.234321234321234e26, "123432123432123************.000000" },
837 { 1.234321234321234e27, "123432123432123*************.000000" },
838 { 1.234321234321234e28, "123432123432123**************.000000" },
839 { 1.234321234321234e29, "123432123432123***************.000000" },
840 { 1.234321234321234e30, "123432123432123****************.000000" },
841 { 1.234321234321234e31, "123432123432123*****************.000000" },
842 { 1.234321234321234e32, "123432123432123******************.000000" },
843 { 1.234321234321234e33, "123432123432123*******************.000000" },
844 { 1.234321234321234e34, "123432123432123********************.000000" },
845 { 1.234321234321234e35, "123432123432123*********************.000000" },
846 { 1.234321234321234e36, "123432123432123**********************.000000" }
849 for (k = 0; k < SIZEOF (data); k++)
853 my_sprintf (result, "%f", data[k].value);
854 ASSERT (strmatch (data[k].string, result));
855 ASSERT (retval == strlen (result));
859 { /* A negative number. */
862 my_sprintf (result, "%f %d", -0.03125, 33, 44, 55);
863 ASSERT (strcmp (result, "-0.031250 33") == 0);
864 ASSERT (retval == strlen (result));
867 { /* Positive zero. */
870 my_sprintf (result, "%f %d", 0.0, 33, 44, 55);
871 ASSERT (strcmp (result, "0.000000 33") == 0);
872 ASSERT (retval == strlen (result));
875 { /* Negative zero. */
878 my_sprintf (result, "%f %d", -zerod, 33, 44, 55);
879 if (have_minus_zero ())
880 ASSERT (strcmp (result, "-0.000000 33") == 0);
881 ASSERT (retval == strlen (result));
884 { /* Positive infinity. */
887 my_sprintf (result, "%f %d", 1.0 / 0.0, 33, 44, 55);
888 ASSERT (strcmp (result, "inf 33") == 0
889 || strcmp (result, "infinity 33") == 0);
890 ASSERT (retval == strlen (result));
893 { /* Negative infinity. */
896 my_sprintf (result, "%f %d", -1.0 / 0.0, 33, 44, 55);
897 ASSERT (strcmp (result, "-inf 33") == 0
898 || strcmp (result, "-infinity 33") == 0);
899 ASSERT (retval == strlen (result));
905 my_sprintf (result, "%f %d", NaNd (), 33, 44, 55);
906 ASSERT (strlen (result) >= 3 + 3
907 && strisnan (result, 0, strlen (result) - 3, 0)
908 && strcmp (result + strlen (result) - 3, " 33") == 0);
909 ASSERT (retval == strlen (result));
915 my_sprintf (result, "%10f %d", 1.75, 33, 44, 55);
916 ASSERT (strcmp (result, " 1.750000 33") == 0);
917 ASSERT (retval == strlen (result));
923 my_sprintf (result, "%-10f %d", 1.75, 33, 44, 55);
924 ASSERT (strcmp (result, "1.750000 33") == 0);
925 ASSERT (retval == strlen (result));
928 { /* FLAG_SHOWSIGN. */
931 my_sprintf (result, "%+f %d", 1.75, 33, 44, 55);
932 ASSERT (strcmp (result, "+1.750000 33") == 0);
933 ASSERT (retval == strlen (result));
939 my_sprintf (result, "% f %d", 1.75, 33, 44, 55);
940 ASSERT (strcmp (result, " 1.750000 33") == 0);
941 ASSERT (retval == strlen (result));
947 my_sprintf (result, "%#f %d", 1.75, 33, 44, 55);
948 ASSERT (strcmp (result, "1.750000 33") == 0);
949 ASSERT (retval == strlen (result));
955 my_sprintf (result, "%#.f %d", 1.75, 33, 44, 55);
956 ASSERT (strcmp (result, "2. 33") == 0);
957 ASSERT (retval == strlen (result));
960 { /* FLAG_ZERO with finite number. */
963 my_sprintf (result, "%015f %d", 1234.0, 33, 44, 55);
964 ASSERT (strcmp (result, "00001234.000000 33") == 0);
965 ASSERT (retval == strlen (result));
968 { /* FLAG_ZERO with infinite number. */
971 my_sprintf (result, "%015f %d", -1.0 / 0.0, 33, 44, 55);
972 ASSERT (strcmp (result, " -inf 33") == 0
973 || strcmp (result, " -infinity 33") == 0);
974 ASSERT (retval == strlen (result));
977 { /* FLAG_ZERO with NaN. */
980 my_sprintf (result, "%050f %d", NaNd (), 33, 44, 55);
981 ASSERT (strlen (result) == 50 + 3
982 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
983 && strcmp (result + strlen (result) - 3, " 33") == 0);
984 ASSERT (retval == strlen (result));
990 my_sprintf (result, "%.f %d", 1234.0, 33, 44, 55);
991 ASSERT (strcmp (result, "1234 33") == 0);
992 ASSERT (retval == strlen (result));
995 { /* Precision with no rounding. */
998 my_sprintf (result, "%.2f %d", 999.951, 33, 44, 55);
999 ASSERT (strcmp (result, "999.95 33") == 0);
1000 ASSERT (retval == strlen (result));
1003 { /* Precision with rounding. */
1006 my_sprintf (result, "%.2f %d", 999.996, 33, 44, 55);
1007 ASSERT (strcmp (result, "1000.00 33") == 0);
1008 ASSERT (retval == strlen (result));
1011 { /* A positive number. */
1014 my_sprintf (result, "%Lf %d", 12.75L, 33, 44, 55);
1015 ASSERT (strcmp (result, "12.750000 33") == 0);
1016 ASSERT (retval == strlen (result));
1019 { /* A larger positive number. */
1022 my_sprintf (result, "%Lf %d", 1234567.0L, 33, 44, 55);
1023 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1024 ASSERT (retval == strlen (result));
1027 { /* Small and large positive numbers. */
1028 static struct { long double value; const char *string; } data[] =
1030 { 1.234321234321234e-37L, "0.000000" },
1031 { 1.234321234321234e-36L, "0.000000" },
1032 { 1.234321234321234e-35L, "0.000000" },
1033 { 1.234321234321234e-34L, "0.000000" },
1034 { 1.234321234321234e-33L, "0.000000" },
1035 { 1.234321234321234e-32L, "0.000000" },
1036 { 1.234321234321234e-31L, "0.000000" },
1037 { 1.234321234321234e-30L, "0.000000" },
1038 { 1.234321234321234e-29L, "0.000000" },
1039 { 1.234321234321234e-28L, "0.000000" },
1040 { 1.234321234321234e-27L, "0.000000" },
1041 { 1.234321234321234e-26L, "0.000000" },
1042 { 1.234321234321234e-25L, "0.000000" },
1043 { 1.234321234321234e-24L, "0.000000" },
1044 { 1.234321234321234e-23L, "0.000000" },
1045 { 1.234321234321234e-22L, "0.000000" },
1046 { 1.234321234321234e-21L, "0.000000" },
1047 { 1.234321234321234e-20L, "0.000000" },
1048 { 1.234321234321234e-19L, "0.000000" },
1049 { 1.234321234321234e-18L, "0.000000" },
1050 { 1.234321234321234e-17L, "0.000000" },
1051 { 1.234321234321234e-16L, "0.000000" },
1052 { 1.234321234321234e-15L, "0.000000" },
1053 { 1.234321234321234e-14L, "0.000000" },
1054 { 1.234321234321234e-13L, "0.000000" },
1055 { 1.234321234321234e-12L, "0.000000" },
1056 { 1.234321234321234e-11L, "0.000000" },
1057 { 1.234321234321234e-10L, "0.000000" },
1058 { 1.234321234321234e-9L, "0.000000" },
1059 { 1.234321234321234e-8L, "0.000000" },
1060 { 1.234321234321234e-7L, "0.000000" },
1061 { 1.234321234321234e-6L, "0.000001" },
1062 { 1.234321234321234e-5L, "0.000012" },
1063 { 1.234321234321234e-4L, "0.000123" },
1064 { 1.234321234321234e-3L, "0.001234" },
1065 { 1.234321234321234e-2L, "0.012343" },
1066 { 1.234321234321234e-1L, "0.123432" },
1067 { 1.234321234321234L, "1.234321" },
1068 { 1.234321234321234e1L, "12.343212" },
1069 { 1.234321234321234e2L, "123.432123" },
1070 { 1.234321234321234e3L, "1234.321234" },
1071 { 1.234321234321234e4L, "12343.212343" },
1072 { 1.234321234321234e5L, "123432.123432" },
1073 { 1.234321234321234e6L, "1234321.234321" },
1074 { 1.234321234321234e7L, "12343212.343212" },
1075 { 1.234321234321234e8L, "123432123.432123" },
1076 { 1.234321234321234e9L, "1234321234.321234" },
1077 { 1.234321234321234e10L, "12343212343.2123**" },
1078 { 1.234321234321234e11L, "123432123432.123***" },
1079 { 1.234321234321234e12L, "1234321234321.23****" },
1080 { 1.234321234321234e13L, "12343212343212.3*****" },
1081 { 1.234321234321234e14L, "123432123432123.******" },
1082 { 1.234321234321234e15L, "1234321234321234.000000" },
1083 { 1.234321234321234e16L, "123432123432123**.000000" },
1084 { 1.234321234321234e17L, "123432123432123***.000000" },
1085 { 1.234321234321234e18L, "123432123432123****.000000" },
1086 { 1.234321234321234e19L, "123432123432123*****.000000" },
1087 { 1.234321234321234e20L, "123432123432123******.000000" },
1088 { 1.234321234321234e21L, "123432123432123*******.000000" },
1089 { 1.234321234321234e22L, "123432123432123********.000000" },
1090 { 1.234321234321234e23L, "123432123432123*********.000000" },
1091 { 1.234321234321234e24L, "123432123432123**********.000000" },
1092 { 1.234321234321234e25L, "123432123432123***********.000000" },
1093 { 1.234321234321234e26L, "123432123432123************.000000" },
1094 { 1.234321234321234e27L, "123432123432123*************.000000" },
1095 { 1.234321234321234e28L, "123432123432123**************.000000" },
1096 { 1.234321234321234e29L, "123432123432123***************.000000" },
1097 { 1.234321234321234e30L, "123432123432123****************.000000" },
1098 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1099 { 1.234321234321234e32L, "123432123432123******************.000000" },
1100 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1101 { 1.234321234321234e34L, "123432123432123********************.000000" },
1102 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1103 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1106 for (k = 0; k < SIZEOF (data); k++)
1110 my_sprintf (result, "%Lf", data[k].value);
1111 ASSERT (strmatch (data[k].string, result));
1112 ASSERT (retval == strlen (result));
1116 { /* A negative number. */
1119 my_sprintf (result, "%Lf %d", -0.03125L, 33, 44, 55);
1120 ASSERT (strcmp (result, "-0.031250 33") == 0);
1121 ASSERT (retval == strlen (result));
1124 { /* Positive zero. */
1127 my_sprintf (result, "%Lf %d", 0.0L, 33, 44, 55);
1128 ASSERT (strcmp (result, "0.000000 33") == 0);
1129 ASSERT (retval == strlen (result));
1132 { /* Negative zero. */
1135 my_sprintf (result, "%Lf %d", -zerol, 33, 44, 55);
1136 if (have_minus_zero ())
1137 ASSERT (strcmp (result, "-0.000000 33") == 0);
1138 ASSERT (retval == strlen (result));
1141 { /* Positive infinity. */
1144 my_sprintf (result, "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1145 ASSERT (strcmp (result, "inf 33") == 0
1146 || strcmp (result, "infinity 33") == 0);
1147 ASSERT (retval == strlen (result));
1150 { /* Negative infinity. */
1153 my_sprintf (result, "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1154 ASSERT (strcmp (result, "-inf 33") == 0
1155 || strcmp (result, "-infinity 33") == 0);
1156 ASSERT (retval == strlen (result));
1162 my_sprintf (result, "%Lf %d", NaNl (), 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));
1168 #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_))
1170 static union { unsigned int word[4]; long double value; } x =
1171 { LDBL80_WORDS (0xFFFF, 0xC3333333, 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));
1181 /* Signalling NaN. */
1182 static union { unsigned int word[4]; long double value; } x =
1183 { LDBL80_WORDS (0xFFFF, 0x83333333, 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));
1192 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1193 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1194 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1195 Application Architecture.
1196 Table 5-2 "Floating-Point Register Encodings"
1197 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1200 static union { unsigned int word[4]; long double value; } x =
1201 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1204 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1205 ASSERT (strlen (result) >= 3 + 3
1206 && strisnan (result, 0, strlen (result) - 3, 0)
1207 && strcmp (result + strlen (result) - 3, " 33") == 0);
1208 ASSERT (retval == strlen (result));
1210 { /* Pseudo-Infinity. */
1211 static union { unsigned int word[4]; long double value; } x =
1212 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1215 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1216 ASSERT (strlen (result) >= 3 + 3
1217 && strisnan (result, 0, strlen (result) - 3, 0)
1218 && strcmp (result + strlen (result) - 3, " 33") == 0);
1219 ASSERT (retval == strlen (result));
1221 { /* Pseudo-Zero. */
1222 static union { unsigned int word[4]; long double value; } x =
1223 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1226 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1227 ASSERT (strlen (result) >= 3 + 3
1228 && strisnan (result, 0, strlen (result) - 3, 0)
1229 && strcmp (result + strlen (result) - 3, " 33") == 0);
1230 ASSERT (retval == strlen (result));
1232 { /* Unnormalized number. */
1233 static union { unsigned int word[4]; long double value; } x =
1234 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1237 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1238 ASSERT (strlen (result) >= 3 + 3
1239 && strisnan (result, 0, strlen (result) - 3, 0)
1240 && strcmp (result + strlen (result) - 3, " 33") == 0);
1241 ASSERT (retval == strlen (result));
1243 { /* Pseudo-Denormal. */
1244 static union { unsigned int word[4]; long double value; } x =
1245 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1248 my_sprintf (result, "%Lf %d", x.value, 33, 44, 55);
1249 ASSERT (strlen (result) >= 3 + 3
1250 && strisnan (result, 0, strlen (result) - 3, 0)
1251 && strcmp (result + strlen (result) - 3, " 33") == 0);
1252 ASSERT (retval == strlen (result));
1259 my_sprintf (result, "%10Lf %d", 1.75L, 33, 44, 55);
1260 ASSERT (strcmp (result, " 1.750000 33") == 0);
1261 ASSERT (retval == strlen (result));
1267 my_sprintf (result, "%-10Lf %d", 1.75L, 33, 44, 55);
1268 ASSERT (strcmp (result, "1.750000 33") == 0);
1269 ASSERT (retval == strlen (result));
1272 { /* FLAG_SHOWSIGN. */
1275 my_sprintf (result, "%+Lf %d", 1.75L, 33, 44, 55);
1276 ASSERT (strcmp (result, "+1.750000 33") == 0);
1277 ASSERT (retval == strlen (result));
1283 my_sprintf (result, "% Lf %d", 1.75L, 33, 44, 55);
1284 ASSERT (strcmp (result, " 1.750000 33") == 0);
1285 ASSERT (retval == strlen (result));
1291 my_sprintf (result, "%#Lf %d", 1.75L, 33, 44, 55);
1292 ASSERT (strcmp (result, "1.750000 33") == 0);
1293 ASSERT (retval == strlen (result));
1299 my_sprintf (result, "%#.Lf %d", 1.75L, 33, 44, 55);
1300 ASSERT (strcmp (result, "2. 33") == 0);
1301 ASSERT (retval == strlen (result));
1304 { /* FLAG_ZERO with finite number. */
1307 my_sprintf (result, "%015Lf %d", 1234.0L, 33, 44, 55);
1308 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1309 ASSERT (retval == strlen (result));
1312 { /* FLAG_ZERO with infinite number. */
1315 my_sprintf (result, "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1316 ASSERT (strcmp (result, " -inf 33") == 0
1317 || strcmp (result, " -infinity 33") == 0);
1318 ASSERT (retval == strlen (result));
1321 { /* FLAG_ZERO with NaN. */
1324 my_sprintf (result, "%050Lf %d", NaNl (), 33, 44, 55);
1325 ASSERT (strlen (result) == 50 + 3
1326 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1327 && strcmp (result + strlen (result) - 3, " 33") == 0);
1328 ASSERT (retval == strlen (result));
1334 my_sprintf (result, "%.Lf %d", 1234.0L, 33, 44, 55);
1335 ASSERT (strcmp (result, "1234 33") == 0);
1336 ASSERT (retval == strlen (result));
1339 { /* Precision with no rounding. */
1342 my_sprintf (result, "%.2Lf %d", 999.951L, 33, 44, 55);
1343 ASSERT (strcmp (result, "999.95 33") == 0);
1344 ASSERT (retval == strlen (result));
1347 { /* Precision with rounding. */
1350 my_sprintf (result, "%.2Lf %d", 999.996L, 33, 44, 55);
1351 ASSERT (strcmp (result, "1000.00 33") == 0);
1352 ASSERT (retval == strlen (result));
1355 /* Test the support of the %F format directive. */
1357 { /* A positive number. */
1360 my_sprintf (result, "%F %d", 12.75, 33, 44, 55);
1361 ASSERT (strcmp (result, "12.750000 33") == 0);
1362 ASSERT (retval == strlen (result));
1365 { /* A larger positive number. */
1368 my_sprintf (result, "%F %d", 1234567.0, 33, 44, 55);
1369 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1370 ASSERT (retval == strlen (result));
1373 { /* A negative number. */
1376 my_sprintf (result, "%F %d", -0.03125, 33, 44, 55);
1377 ASSERT (strcmp (result, "-0.031250 33") == 0);
1378 ASSERT (retval == strlen (result));
1381 { /* Positive zero. */
1384 my_sprintf (result, "%F %d", 0.0, 33, 44, 55);
1385 ASSERT (strcmp (result, "0.000000 33") == 0);
1386 ASSERT (retval == strlen (result));
1389 { /* Negative zero. */
1392 my_sprintf (result, "%F %d", -zerod, 33, 44, 55);
1393 if (have_minus_zero ())
1394 ASSERT (strcmp (result, "-0.000000 33") == 0);
1395 ASSERT (retval == strlen (result));
1398 { /* Positive infinity. */
1401 my_sprintf (result, "%F %d", 1.0 / 0.0, 33, 44, 55);
1402 ASSERT (strcmp (result, "INF 33") == 0
1403 || strcmp (result, "INFINITY 33") == 0);
1404 ASSERT (retval == strlen (result));
1407 { /* Negative infinity. */
1410 my_sprintf (result, "%F %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", NaNd (), 33, 44, 55);
1420 ASSERT (strlen (result) >= 3 + 3
1421 && strisnan (result, 0, strlen (result) - 3, 1)
1422 && strcmp (result + strlen (result) - 3, " 33") == 0);
1423 ASSERT (retval == strlen (result));
1429 my_sprintf (result, "%015F %d", 1234.0, 33, 44, 55);
1430 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1431 ASSERT (retval == strlen (result));
1434 { /* FLAG_ZERO with infinite number. */
1437 my_sprintf (result, "%015F %d", -1.0 / 0.0, 33, 44, 55);
1438 ASSERT (strcmp (result, " -INF 33") == 0
1439 || strcmp (result, " -INFINITY 33") == 0);
1440 ASSERT (retval == strlen (result));
1446 my_sprintf (result, "%.F %d", 1234.0, 33, 44, 55);
1447 ASSERT (strcmp (result, "1234 33") == 0);
1448 ASSERT (retval == strlen (result));
1451 { /* Precision with no rounding. */
1454 my_sprintf (result, "%.2F %d", 999.951, 33, 44, 55);
1455 ASSERT (strcmp (result, "999.95 33") == 0);
1456 ASSERT (retval == strlen (result));
1459 { /* Precision with rounding. */
1462 my_sprintf (result, "%.2F %d", 999.996, 33, 44, 55);
1463 ASSERT (strcmp (result, "1000.00 33") == 0);
1464 ASSERT (retval == strlen (result));
1467 { /* A positive number. */
1470 my_sprintf (result, "%LF %d", 12.75L, 33, 44, 55);
1471 ASSERT (strcmp (result, "12.750000 33") == 0);
1472 ASSERT (retval == strlen (result));
1475 { /* A larger positive number. */
1478 my_sprintf (result, "%LF %d", 1234567.0L, 33, 44, 55);
1479 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1480 ASSERT (retval == strlen (result));
1483 { /* A negative number. */
1486 my_sprintf (result, "%LF %d", -0.03125L, 33, 44, 55);
1487 ASSERT (strcmp (result, "-0.031250 33") == 0);
1488 ASSERT (retval == strlen (result));
1491 { /* Positive zero. */
1494 my_sprintf (result, "%LF %d", 0.0L, 33, 44, 55);
1495 ASSERT (strcmp (result, "0.000000 33") == 0);
1496 ASSERT (retval == strlen (result));
1499 { /* Negative zero. */
1502 my_sprintf (result, "%LF %d", -zerol, 33, 44, 55);
1503 if (have_minus_zero ())
1504 ASSERT (strcmp (result, "-0.000000 33") == 0);
1505 ASSERT (retval == strlen (result));
1508 { /* Positive infinity. */
1511 my_sprintf (result, "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1512 ASSERT (strcmp (result, "INF 33") == 0
1513 || strcmp (result, "INFINITY 33") == 0);
1514 ASSERT (retval == strlen (result));
1517 { /* Negative infinity. */
1520 my_sprintf (result, "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1521 ASSERT (strcmp (result, "-INF 33") == 0
1522 || strcmp (result, "-INFINITY 33") == 0);
1523 ASSERT (retval == strlen (result));
1529 my_sprintf (result, "%LF %d", NaNl (), 33, 44, 55);
1530 ASSERT (strlen (result) >= 3 + 3
1531 && strisnan (result, 0, strlen (result) - 3, 1)
1532 && strcmp (result + strlen (result) - 3, " 33") == 0);
1533 ASSERT (retval == strlen (result));
1539 my_sprintf (result, "%015LF %d", 1234.0L, 33, 44, 55);
1540 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1541 ASSERT (retval == strlen (result));
1544 { /* FLAG_ZERO with infinite number. */
1547 my_sprintf (result, "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1548 ASSERT (strcmp (result, " -INF 33") == 0
1549 || strcmp (result, " -INFINITY 33") == 0);
1550 ASSERT (retval == strlen (result));
1556 my_sprintf (result, "%.LF %d", 1234.0L, 33, 44, 55);
1557 ASSERT (strcmp (result, "1234 33") == 0);
1558 ASSERT (retval == strlen (result));
1561 { /* Precision with no rounding. */
1564 my_sprintf (result, "%.2LF %d", 999.951L, 33, 44, 55);
1565 ASSERT (strcmp (result, "999.95 33") == 0);
1566 ASSERT (retval == strlen (result));
1569 { /* Precision with rounding. */
1572 my_sprintf (result, "%.2LF %d", 999.996L, 33, 44, 55);
1573 ASSERT (strcmp (result, "1000.00 33") == 0);
1574 ASSERT (retval == strlen (result));
1577 /* Test the support of the %e format directive. */
1579 { /* A positive number. */
1582 my_sprintf (result, "%e %d", 12.75, 33, 44, 55);
1583 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1584 || strcmp (result, "1.275000e+001 33") == 0);
1585 ASSERT (retval == strlen (result));
1588 { /* A larger positive number. */
1591 my_sprintf (result, "%e %d", 1234567.0, 33, 44, 55);
1592 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1593 || strcmp (result, "1.234567e+006 33") == 0);
1594 ASSERT (retval == strlen (result));
1597 { /* Small and large positive numbers. */
1598 static struct { double value; const char *string; } data[] =
1600 { 1.234321234321234e-37, "1.234321e-37" },
1601 { 1.234321234321234e-36, "1.234321e-36" },
1602 { 1.234321234321234e-35, "1.234321e-35" },
1603 { 1.234321234321234e-34, "1.234321e-34" },
1604 { 1.234321234321234e-33, "1.234321e-33" },
1605 { 1.234321234321234e-32, "1.234321e-32" },
1606 { 1.234321234321234e-31, "1.234321e-31" },
1607 { 1.234321234321234e-30, "1.234321e-30" },
1608 { 1.234321234321234e-29, "1.234321e-29" },
1609 { 1.234321234321234e-28, "1.234321e-28" },
1610 { 1.234321234321234e-27, "1.234321e-27" },
1611 { 1.234321234321234e-26, "1.234321e-26" },
1612 { 1.234321234321234e-25, "1.234321e-25" },
1613 { 1.234321234321234e-24, "1.234321e-24" },
1614 { 1.234321234321234e-23, "1.234321e-23" },
1615 { 1.234321234321234e-22, "1.234321e-22" },
1616 { 1.234321234321234e-21, "1.234321e-21" },
1617 { 1.234321234321234e-20, "1.234321e-20" },
1618 { 1.234321234321234e-19, "1.234321e-19" },
1619 { 1.234321234321234e-18, "1.234321e-18" },
1620 { 1.234321234321234e-17, "1.234321e-17" },
1621 { 1.234321234321234e-16, "1.234321e-16" },
1622 { 1.234321234321234e-15, "1.234321e-15" },
1623 { 1.234321234321234e-14, "1.234321e-14" },
1624 { 1.234321234321234e-13, "1.234321e-13" },
1625 { 1.234321234321234e-12, "1.234321e-12" },
1626 { 1.234321234321234e-11, "1.234321e-11" },
1627 { 1.234321234321234e-10, "1.234321e-10" },
1628 { 1.234321234321234e-9, "1.234321e-09" },
1629 { 1.234321234321234e-8, "1.234321e-08" },
1630 { 1.234321234321234e-7, "1.234321e-07" },
1631 { 1.234321234321234e-6, "1.234321e-06" },
1632 { 1.234321234321234e-5, "1.234321e-05" },
1633 { 1.234321234321234e-4, "1.234321e-04" },
1634 { 1.234321234321234e-3, "1.234321e-03" },
1635 { 1.234321234321234e-2, "1.234321e-02" },
1636 { 1.234321234321234e-1, "1.234321e-01" },
1637 { 1.234321234321234, "1.234321e+00" },
1638 { 1.234321234321234e1, "1.234321e+01" },
1639 { 1.234321234321234e2, "1.234321e+02" },
1640 { 1.234321234321234e3, "1.234321e+03" },
1641 { 1.234321234321234e4, "1.234321e+04" },
1642 { 1.234321234321234e5, "1.234321e+05" },
1643 { 1.234321234321234e6, "1.234321e+06" },
1644 { 1.234321234321234e7, "1.234321e+07" },
1645 { 1.234321234321234e8, "1.234321e+08" },
1646 { 1.234321234321234e9, "1.234321e+09" },
1647 { 1.234321234321234e10, "1.234321e+10" },
1648 { 1.234321234321234e11, "1.234321e+11" },
1649 { 1.234321234321234e12, "1.234321e+12" },
1650 { 1.234321234321234e13, "1.234321e+13" },
1651 { 1.234321234321234e14, "1.234321e+14" },
1652 { 1.234321234321234e15, "1.234321e+15" },
1653 { 1.234321234321234e16, "1.234321e+16" },
1654 { 1.234321234321234e17, "1.234321e+17" },
1655 { 1.234321234321234e18, "1.234321e+18" },
1656 { 1.234321234321234e19, "1.234321e+19" },
1657 { 1.234321234321234e20, "1.234321e+20" },
1658 { 1.234321234321234e21, "1.234321e+21" },
1659 { 1.234321234321234e22, "1.234321e+22" },
1660 { 1.234321234321234e23, "1.234321e+23" },
1661 { 1.234321234321234e24, "1.234321e+24" },
1662 { 1.234321234321234e25, "1.234321e+25" },
1663 { 1.234321234321234e26, "1.234321e+26" },
1664 { 1.234321234321234e27, "1.234321e+27" },
1665 { 1.234321234321234e28, "1.234321e+28" },
1666 { 1.234321234321234e29, "1.234321e+29" },
1667 { 1.234321234321234e30, "1.234321e+30" },
1668 { 1.234321234321234e31, "1.234321e+31" },
1669 { 1.234321234321234e32, "1.234321e+32" },
1670 { 1.234321234321234e33, "1.234321e+33" },
1671 { 1.234321234321234e34, "1.234321e+34" },
1672 { 1.234321234321234e35, "1.234321e+35" },
1673 { 1.234321234321234e36, "1.234321e+36" }
1676 for (k = 0; k < SIZEOF (data); k++)
1680 my_sprintf (result, "%e", data[k].value);
1681 const char *expected = data[k].string;
1682 ASSERT (strcmp (result, expected) == 0
1683 /* Some implementations produce exponents with 3 digits. */
1684 || (strlen (result) == strlen (expected) + 1
1685 && memcmp (result, expected, strlen (expected) - 2) == 0
1686 && result[strlen (expected) - 2] == '0'
1687 && strcmp (result + strlen (expected) - 1,
1688 expected + strlen (expected) - 2)
1690 ASSERT (retval == strlen (result));
1694 { /* A negative number. */
1697 my_sprintf (result, "%e %d", -0.03125, 33, 44, 55);
1698 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1699 || strcmp (result, "-3.125000e-002 33") == 0);
1700 ASSERT (retval == strlen (result));
1703 { /* Positive zero. */
1706 my_sprintf (result, "%e %d", 0.0, 33, 44, 55);
1707 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1708 || strcmp (result, "0.000000e+000 33") == 0);
1709 ASSERT (retval == strlen (result));
1712 { /* Negative zero. */
1715 my_sprintf (result, "%e %d", -zerod, 33, 44, 55);
1716 if (have_minus_zero ())
1717 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1718 || strcmp (result, "-0.000000e+000 33") == 0);
1719 ASSERT (retval == strlen (result));
1722 { /* Positive infinity. */
1725 my_sprintf (result, "%e %d", 1.0 / 0.0, 33, 44, 55);
1726 ASSERT (strcmp (result, "inf 33") == 0
1727 || strcmp (result, "infinity 33") == 0);
1728 ASSERT (retval == strlen (result));
1731 { /* Negative infinity. */
1734 my_sprintf (result, "%e %d", -1.0 / 0.0, 33, 44, 55);
1735 ASSERT (strcmp (result, "-inf 33") == 0
1736 || strcmp (result, "-infinity 33") == 0);
1737 ASSERT (retval == strlen (result));
1743 my_sprintf (result, "%e %d", NaNd (), 33, 44, 55);
1744 ASSERT (strlen (result) >= 3 + 3
1745 && strisnan (result, 0, strlen (result) - 3, 0)
1746 && strcmp (result + strlen (result) - 3, " 33") == 0);
1747 ASSERT (retval == strlen (result));
1753 my_sprintf (result, "%15e %d", 1.75, 33, 44, 55);
1754 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1755 || strcmp (result, " 1.750000e+000 33") == 0);
1756 ASSERT (retval == strlen (result));
1762 my_sprintf (result, "%-15e %d", 1.75, 33, 44, 55);
1763 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1764 || strcmp (result, "1.750000e+000 33") == 0);
1765 ASSERT (retval == strlen (result));
1768 { /* FLAG_SHOWSIGN. */
1771 my_sprintf (result, "%+e %d", 1.75, 33, 44, 55);
1772 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1773 || strcmp (result, "+1.750000e+000 33") == 0);
1774 ASSERT (retval == strlen (result));
1780 my_sprintf (result, "% e %d", 1.75, 33, 44, 55);
1781 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1782 || strcmp (result, " 1.750000e+000 33") == 0);
1783 ASSERT (retval == strlen (result));
1789 my_sprintf (result, "%#e %d", 1.75, 33, 44, 55);
1790 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1791 || strcmp (result, "1.750000e+000 33") == 0);
1792 ASSERT (retval == strlen (result));
1798 my_sprintf (result, "%#.e %d", 1.75, 33, 44, 55);
1799 ASSERT (strcmp (result, "2.e+00 33") == 0
1800 || strcmp (result, "2.e+000 33") == 0);
1801 ASSERT (retval == strlen (result));
1807 my_sprintf (result, "%#.e %d", 9.75, 33, 44, 55);
1808 ASSERT (strcmp (result, "1.e+01 33") == 0
1809 || strcmp (result, "1.e+001 33") == 0);
1810 ASSERT (retval == strlen (result));
1813 { /* FLAG_ZERO with finite number. */
1816 my_sprintf (result, "%015e %d", 1234.0, 33, 44, 55);
1817 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1818 || strcmp (result, "001.234000e+003 33") == 0);
1819 ASSERT (retval == strlen (result));
1822 { /* FLAG_ZERO with infinite number. */
1825 my_sprintf (result, "%015e %d", -1.0 / 0.0, 33, 44, 55);
1826 ASSERT (strcmp (result, " -inf 33") == 0
1827 || strcmp (result, " -infinity 33") == 0);
1828 ASSERT (retval == strlen (result));
1831 { /* FLAG_ZERO with NaN. */
1834 my_sprintf (result, "%050e %d", NaNd (), 33, 44, 55);
1835 ASSERT (strlen (result) == 50 + 3
1836 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1837 && strcmp (result + strlen (result) - 3, " 33") == 0);
1838 ASSERT (retval == strlen (result));
1844 my_sprintf (result, "%.e %d", 1234.0, 33, 44, 55);
1845 ASSERT (strcmp (result, "1e+03 33") == 0
1846 || strcmp (result, "1e+003 33") == 0);
1847 ASSERT (retval == strlen (result));
1850 { /* Precision with no rounding. */
1853 my_sprintf (result, "%.4e %d", 999.951, 33, 44, 55);
1854 ASSERT (strcmp (result, "9.9995e+02 33") == 0
1855 || strcmp (result, "9.9995e+002 33") == 0);
1856 ASSERT (retval == strlen (result));
1859 { /* Precision with rounding. */
1862 my_sprintf (result, "%.4e %d", 999.996, 33, 44, 55);
1863 ASSERT (strcmp (result, "1.0000e+03 33") == 0
1864 || strcmp (result, "1.0000e+003 33") == 0);
1865 ASSERT (retval == strlen (result));
1868 { /* A positive number. */
1871 my_sprintf (result, "%Le %d", 12.75L, 33, 44, 55);
1872 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1873 || strcmp (result, "1.275000e+001 33") == 0);
1874 ASSERT (retval == strlen (result));
1877 { /* A larger positive number. */
1880 my_sprintf (result, "%Le %d", 1234567.0L, 33, 44, 55);
1881 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1882 || strcmp (result, "1.234567e+006 33") == 0);
1883 ASSERT (retval == strlen (result));
1886 { /* Small and large positive numbers. */
1887 static struct { long double value; const char *string; } data[] =
1889 { 1.234321234321234e-37L, "1.234321e-37" },
1890 { 1.234321234321234e-36L, "1.234321e-36" },
1891 { 1.234321234321234e-35L, "1.234321e-35" },
1892 { 1.234321234321234e-34L, "1.234321e-34" },
1893 { 1.234321234321234e-33L, "1.234321e-33" },
1894 { 1.234321234321234e-32L, "1.234321e-32" },
1895 { 1.234321234321234e-31L, "1.234321e-31" },
1896 { 1.234321234321234e-30L, "1.234321e-30" },
1897 { 1.234321234321234e-29L, "1.234321e-29" },
1898 { 1.234321234321234e-28L, "1.234321e-28" },
1899 { 1.234321234321234e-27L, "1.234321e-27" },
1900 { 1.234321234321234e-26L, "1.234321e-26" },
1901 { 1.234321234321234e-25L, "1.234321e-25" },
1902 { 1.234321234321234e-24L, "1.234321e-24" },
1903 { 1.234321234321234e-23L, "1.234321e-23" },
1904 { 1.234321234321234e-22L, "1.234321e-22" },
1905 { 1.234321234321234e-21L, "1.234321e-21" },
1906 { 1.234321234321234e-20L, "1.234321e-20" },
1907 { 1.234321234321234e-19L, "1.234321e-19" },
1908 { 1.234321234321234e-18L, "1.234321e-18" },
1909 { 1.234321234321234e-17L, "1.234321e-17" },
1910 { 1.234321234321234e-16L, "1.234321e-16" },
1911 { 1.234321234321234e-15L, "1.234321e-15" },
1912 { 1.234321234321234e-14L, "1.234321e-14" },
1913 { 1.234321234321234e-13L, "1.234321e-13" },
1914 { 1.234321234321234e-12L, "1.234321e-12" },
1915 { 1.234321234321234e-11L, "1.234321e-11" },
1916 { 1.234321234321234e-10L, "1.234321e-10" },
1917 { 1.234321234321234e-9L, "1.234321e-09" },
1918 { 1.234321234321234e-8L, "1.234321e-08" },
1919 { 1.234321234321234e-7L, "1.234321e-07" },
1920 { 1.234321234321234e-6L, "1.234321e-06" },
1921 { 1.234321234321234e-5L, "1.234321e-05" },
1922 { 1.234321234321234e-4L, "1.234321e-04" },
1923 { 1.234321234321234e-3L, "1.234321e-03" },
1924 { 1.234321234321234e-2L, "1.234321e-02" },
1925 { 1.234321234321234e-1L, "1.234321e-01" },
1926 { 1.234321234321234L, "1.234321e+00" },
1927 { 1.234321234321234e1L, "1.234321e+01" },
1928 { 1.234321234321234e2L, "1.234321e+02" },
1929 { 1.234321234321234e3L, "1.234321e+03" },
1930 { 1.234321234321234e4L, "1.234321e+04" },
1931 { 1.234321234321234e5L, "1.234321e+05" },
1932 { 1.234321234321234e6L, "1.234321e+06" },
1933 { 1.234321234321234e7L, "1.234321e+07" },
1934 { 1.234321234321234e8L, "1.234321e+08" },
1935 { 1.234321234321234e9L, "1.234321e+09" },
1936 { 1.234321234321234e10L, "1.234321e+10" },
1937 { 1.234321234321234e11L, "1.234321e+11" },
1938 { 1.234321234321234e12L, "1.234321e+12" },
1939 { 1.234321234321234e13L, "1.234321e+13" },
1940 { 1.234321234321234e14L, "1.234321e+14" },
1941 { 1.234321234321234e15L, "1.234321e+15" },
1942 { 1.234321234321234e16L, "1.234321e+16" },
1943 { 1.234321234321234e17L, "1.234321e+17" },
1944 { 1.234321234321234e18L, "1.234321e+18" },
1945 { 1.234321234321234e19L, "1.234321e+19" },
1946 { 1.234321234321234e20L, "1.234321e+20" },
1947 { 1.234321234321234e21L, "1.234321e+21" },
1948 { 1.234321234321234e22L, "1.234321e+22" },
1949 { 1.234321234321234e23L, "1.234321e+23" },
1950 { 1.234321234321234e24L, "1.234321e+24" },
1951 { 1.234321234321234e25L, "1.234321e+25" },
1952 { 1.234321234321234e26L, "1.234321e+26" },
1953 { 1.234321234321234e27L, "1.234321e+27" },
1954 { 1.234321234321234e28L, "1.234321e+28" },
1955 { 1.234321234321234e29L, "1.234321e+29" },
1956 { 1.234321234321234e30L, "1.234321e+30" },
1957 { 1.234321234321234e31L, "1.234321e+31" },
1958 { 1.234321234321234e32L, "1.234321e+32" },
1959 { 1.234321234321234e33L, "1.234321e+33" },
1960 { 1.234321234321234e34L, "1.234321e+34" },
1961 { 1.234321234321234e35L, "1.234321e+35" },
1962 { 1.234321234321234e36L, "1.234321e+36" }
1965 for (k = 0; k < SIZEOF (data); k++)
1969 my_sprintf (result, "%Le", data[k].value);
1970 const char *expected = data[k].string;
1971 ASSERT (strcmp (result, expected) == 0
1972 /* Some implementations produce exponents with 3 digits. */
1973 || (strlen (result) == strlen (expected) + 1
1974 && memcmp (result, expected, strlen (expected) - 2) == 0
1975 && result[strlen (expected) - 2] == '0'
1976 && strcmp (result + strlen (expected) - 1,
1977 expected + strlen (expected) - 2)
1979 ASSERT (retval == strlen (result));
1983 { /* A negative number. */
1986 my_sprintf (result, "%Le %d", -0.03125L, 33, 44, 55);
1987 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1988 || strcmp (result, "-3.125000e-002 33") == 0);
1989 ASSERT (retval == strlen (result));
1992 { /* Positive zero. */
1995 my_sprintf (result, "%Le %d", 0.0L, 33, 44, 55);
1996 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1997 || strcmp (result, "0.000000e+000 33") == 0);
1998 ASSERT (retval == strlen (result));
2001 { /* Negative zero. */
2004 my_sprintf (result, "%Le %d", -zerol, 33, 44, 55);
2005 if (have_minus_zero ())
2006 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
2007 || strcmp (result, "-0.000000e+000 33") == 0);
2008 ASSERT (retval == strlen (result));
2011 { /* Positive infinity. */
2014 my_sprintf (result, "%Le %d", 1.0L / 0.0L, 33, 44, 55);
2015 ASSERT (strcmp (result, "inf 33") == 0
2016 || strcmp (result, "infinity 33") == 0);
2017 ASSERT (retval == strlen (result));
2020 { /* Negative infinity. */
2023 my_sprintf (result, "%Le %d", -1.0L / 0.0L, 33, 44, 55);
2024 ASSERT (strcmp (result, "-inf 33") == 0
2025 || strcmp (result, "-infinity 33") == 0);
2026 ASSERT (retval == strlen (result));
2032 my_sprintf (result, "%Le %d", NaNl (), 33, 44, 55);
2033 ASSERT (strlen (result) >= 3 + 3
2034 && strisnan (result, 0, strlen (result) - 3, 0)
2035 && strcmp (result + strlen (result) - 3, " 33") == 0);
2036 ASSERT (retval == strlen (result));
2038 #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_))
2040 static union { unsigned int word[4]; long double value; } x =
2041 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2044 my_sprintf (result, "%Le %d", x.value, 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));
2051 /* Signalling NaN. */
2052 static union { unsigned int word[4]; long double value; } x =
2053 { LDBL80_WORDS (0xFFFF, 0x83333333, 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));
2062 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2063 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2064 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2065 Application Architecture.
2066 Table 5-2 "Floating-Point Register Encodings"
2067 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2070 static union { unsigned int word[4]; long double value; } x =
2071 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2074 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2075 ASSERT (strlen (result) >= 3 + 3
2076 && strisnan (result, 0, strlen (result) - 3, 0)
2077 && strcmp (result + strlen (result) - 3, " 33") == 0);
2078 ASSERT (retval == strlen (result));
2080 { /* Pseudo-Infinity. */
2081 static union { unsigned int word[4]; long double value; } x =
2082 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2085 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2086 ASSERT (strlen (result) >= 3 + 3
2087 && strisnan (result, 0, strlen (result) - 3, 0)
2088 && strcmp (result + strlen (result) - 3, " 33") == 0);
2089 ASSERT (retval == strlen (result));
2091 { /* Pseudo-Zero. */
2092 static union { unsigned int word[4]; long double value; } x =
2093 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2096 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2097 ASSERT (strlen (result) >= 3 + 3
2098 && strisnan (result, 0, strlen (result) - 3, 0)
2099 && strcmp (result + strlen (result) - 3, " 33") == 0);
2100 ASSERT (retval == strlen (result));
2102 { /* Unnormalized number. */
2103 static union { unsigned int word[4]; long double value; } x =
2104 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2107 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2108 ASSERT (strlen (result) >= 3 + 3
2109 && strisnan (result, 0, strlen (result) - 3, 0)
2110 && strcmp (result + strlen (result) - 3, " 33") == 0);
2111 ASSERT (retval == strlen (result));
2113 { /* Pseudo-Denormal. */
2114 static union { unsigned int word[4]; long double value; } x =
2115 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2118 my_sprintf (result, "%Le %d", x.value, 33, 44, 55);
2119 ASSERT (strlen (result) >= 3 + 3
2120 && strisnan (result, 0, strlen (result) - 3, 0)
2121 && strcmp (result + strlen (result) - 3, " 33") == 0);
2122 ASSERT (retval == strlen (result));
2129 my_sprintf (result, "%15Le %d", 1.75L, 33, 44, 55);
2130 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2131 || strcmp (result, " 1.750000e+000 33") == 0);
2132 ASSERT (retval == strlen (result));
2138 my_sprintf (result, "%-15Le %d", 1.75L, 33, 44, 55);
2139 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2140 || strcmp (result, "1.750000e+000 33") == 0);
2141 ASSERT (retval == strlen (result));
2144 { /* FLAG_SHOWSIGN. */
2147 my_sprintf (result, "%+Le %d", 1.75L, 33, 44, 55);
2148 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
2149 || strcmp (result, "+1.750000e+000 33") == 0);
2150 ASSERT (retval == strlen (result));
2156 my_sprintf (result, "% Le %d", 1.75L, 33, 44, 55);
2157 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
2158 || strcmp (result, " 1.750000e+000 33") == 0);
2159 ASSERT (retval == strlen (result));
2165 my_sprintf (result, "%#Le %d", 1.75L, 33, 44, 55);
2166 ASSERT (strcmp (result, "1.750000e+00 33") == 0
2167 || strcmp (result, "1.750000e+000 33") == 0);
2168 ASSERT (retval == strlen (result));
2174 my_sprintf (result, "%#.Le %d", 1.75L, 33, 44, 55);
2175 ASSERT (strcmp (result, "2.e+00 33") == 0
2176 || strcmp (result, "2.e+000 33") == 0);
2177 ASSERT (retval == strlen (result));
2183 my_sprintf (result, "%#.Le %d", 9.75L, 33, 44, 55);
2184 ASSERT (strcmp (result, "1.e+01 33") == 0
2185 || strcmp (result, "1.e+001 33") == 0);
2186 ASSERT (retval == strlen (result));
2189 { /* FLAG_ZERO with finite number. */
2192 my_sprintf (result, "%015Le %d", 1234.0L, 33, 44, 55);
2193 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
2194 || strcmp (result, "001.234000e+003 33") == 0);
2195 ASSERT (retval == strlen (result));
2198 { /* FLAG_ZERO with infinite number. */
2201 my_sprintf (result, "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2202 ASSERT (strcmp (result, " -inf 33") == 0
2203 || strcmp (result, " -infinity 33") == 0);
2204 ASSERT (retval == strlen (result));
2207 { /* FLAG_ZERO with NaN. */
2210 my_sprintf (result, "%050Le %d", NaNl (), 33, 44, 55);
2211 ASSERT (strlen (result) == 50 + 3
2212 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2213 && strcmp (result + strlen (result) - 3, " 33") == 0);
2214 ASSERT (retval == strlen (result));
2220 my_sprintf (result, "%.Le %d", 1234.0L, 33, 44, 55);
2221 ASSERT (strcmp (result, "1e+03 33") == 0
2222 || strcmp (result, "1e+003 33") == 0);
2223 ASSERT (retval == strlen (result));
2226 { /* Precision with no rounding. */
2229 my_sprintf (result, "%.4Le %d", 999.951L, 33, 44, 55);
2230 ASSERT (strcmp (result, "9.9995e+02 33") == 0
2231 || strcmp (result, "9.9995e+002 33") == 0);
2232 ASSERT (retval == strlen (result));
2235 { /* Precision with rounding. */
2238 my_sprintf (result, "%.4Le %d", 999.996L, 33, 44, 55);
2239 ASSERT (strcmp (result, "1.0000e+03 33") == 0
2240 || strcmp (result, "1.0000e+003 33") == 0);
2241 ASSERT (retval == strlen (result));
2244 /* Test the support of the %g format directive. */
2246 { /* A positive number. */
2249 my_sprintf (result, "%g %d", 12.75, 33, 44, 55);
2250 ASSERT (strcmp (result, "12.75 33") == 0);
2251 ASSERT (retval == strlen (result));
2254 { /* A larger positive number. */
2257 my_sprintf (result, "%g %d", 1234567.0, 33, 44, 55);
2258 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2259 || strcmp (result, "1.23457e+006 33") == 0);
2260 ASSERT (retval == strlen (result));
2263 { /* Small and large positive numbers. */
2264 static struct { double value; const char *string; } data[] =
2266 { 1.234321234321234e-37, "1.23432e-37" },
2267 { 1.234321234321234e-36, "1.23432e-36" },
2268 { 1.234321234321234e-35, "1.23432e-35" },
2269 { 1.234321234321234e-34, "1.23432e-34" },
2270 { 1.234321234321234e-33, "1.23432e-33" },
2271 { 1.234321234321234e-32, "1.23432e-32" },
2272 { 1.234321234321234e-31, "1.23432e-31" },
2273 { 1.234321234321234e-30, "1.23432e-30" },
2274 { 1.234321234321234e-29, "1.23432e-29" },
2275 { 1.234321234321234e-28, "1.23432e-28" },
2276 { 1.234321234321234e-27, "1.23432e-27" },
2277 { 1.234321234321234e-26, "1.23432e-26" },
2278 { 1.234321234321234e-25, "1.23432e-25" },
2279 { 1.234321234321234e-24, "1.23432e-24" },
2280 { 1.234321234321234e-23, "1.23432e-23" },
2281 { 1.234321234321234e-22, "1.23432e-22" },
2282 { 1.234321234321234e-21, "1.23432e-21" },
2283 { 1.234321234321234e-20, "1.23432e-20" },
2284 { 1.234321234321234e-19, "1.23432e-19" },
2285 { 1.234321234321234e-18, "1.23432e-18" },
2286 { 1.234321234321234e-17, "1.23432e-17" },
2287 { 1.234321234321234e-16, "1.23432e-16" },
2288 { 1.234321234321234e-15, "1.23432e-15" },
2289 { 1.234321234321234e-14, "1.23432e-14" },
2290 { 1.234321234321234e-13, "1.23432e-13" },
2291 { 1.234321234321234e-12, "1.23432e-12" },
2292 { 1.234321234321234e-11, "1.23432e-11" },
2293 { 1.234321234321234e-10, "1.23432e-10" },
2294 { 1.234321234321234e-9, "1.23432e-09" },
2295 { 1.234321234321234e-8, "1.23432e-08" },
2296 { 1.234321234321234e-7, "1.23432e-07" },
2297 { 1.234321234321234e-6, "1.23432e-06" },
2298 { 1.234321234321234e-5, "1.23432e-05" },
2299 { 1.234321234321234e-4, "0.000123432" },
2300 { 1.234321234321234e-3, "0.00123432" },
2301 { 1.234321234321234e-2, "0.0123432" },
2302 { 1.234321234321234e-1, "0.123432" },
2303 { 1.234321234321234, "1.23432" },
2304 { 1.234321234321234e1, "12.3432" },
2305 { 1.234321234321234e2, "123.432" },
2306 { 1.234321234321234e3, "1234.32" },
2307 { 1.234321234321234e4, "12343.2" },
2308 { 1.234321234321234e5, "123432" },
2309 { 1.234321234321234e6, "1.23432e+06" },
2310 { 1.234321234321234e7, "1.23432e+07" },
2311 { 1.234321234321234e8, "1.23432e+08" },
2312 { 1.234321234321234e9, "1.23432e+09" },
2313 { 1.234321234321234e10, "1.23432e+10" },
2314 { 1.234321234321234e11, "1.23432e+11" },
2315 { 1.234321234321234e12, "1.23432e+12" },
2316 { 1.234321234321234e13, "1.23432e+13" },
2317 { 1.234321234321234e14, "1.23432e+14" },
2318 { 1.234321234321234e15, "1.23432e+15" },
2319 { 1.234321234321234e16, "1.23432e+16" },
2320 { 1.234321234321234e17, "1.23432e+17" },
2321 { 1.234321234321234e18, "1.23432e+18" },
2322 { 1.234321234321234e19, "1.23432e+19" },
2323 { 1.234321234321234e20, "1.23432e+20" },
2324 { 1.234321234321234e21, "1.23432e+21" },
2325 { 1.234321234321234e22, "1.23432e+22" },
2326 { 1.234321234321234e23, "1.23432e+23" },
2327 { 1.234321234321234e24, "1.23432e+24" },
2328 { 1.234321234321234e25, "1.23432e+25" },
2329 { 1.234321234321234e26, "1.23432e+26" },
2330 { 1.234321234321234e27, "1.23432e+27" },
2331 { 1.234321234321234e28, "1.23432e+28" },
2332 { 1.234321234321234e29, "1.23432e+29" },
2333 { 1.234321234321234e30, "1.23432e+30" },
2334 { 1.234321234321234e31, "1.23432e+31" },
2335 { 1.234321234321234e32, "1.23432e+32" },
2336 { 1.234321234321234e33, "1.23432e+33" },
2337 { 1.234321234321234e34, "1.23432e+34" },
2338 { 1.234321234321234e35, "1.23432e+35" },
2339 { 1.234321234321234e36, "1.23432e+36" }
2342 for (k = 0; k < SIZEOF (data); k++)
2346 my_sprintf (result, "%g", data[k].value);
2347 const char *expected = data[k].string;
2348 ASSERT (strcmp (result, expected) == 0
2349 /* Some implementations produce exponents with 3 digits. */
2350 || (expected[strlen (expected) - 4] == 'e'
2351 && strlen (result) == strlen (expected) + 1
2352 && memcmp (result, expected, strlen (expected) - 2) == 0
2353 && result[strlen (expected) - 2] == '0'
2354 && strcmp (result + strlen (expected) - 1,
2355 expected + strlen (expected) - 2)
2357 ASSERT (retval == strlen (result));
2361 { /* A negative number. */
2364 my_sprintf (result, "%g %d", -0.03125, 33, 44, 55);
2365 ASSERT (strcmp (result, "-0.03125 33") == 0);
2366 ASSERT (retval == strlen (result));
2369 { /* Positive zero. */
2372 my_sprintf (result, "%g %d", 0.0, 33, 44, 55);
2373 ASSERT (strcmp (result, "0 33") == 0);
2374 ASSERT (retval == strlen (result));
2377 { /* Negative zero. */
2380 my_sprintf (result, "%g %d", -zerod, 33, 44, 55);
2381 if (have_minus_zero ())
2382 ASSERT (strcmp (result, "-0 33") == 0);
2383 ASSERT (retval == strlen (result));
2386 { /* Positive infinity. */
2389 my_sprintf (result, "%g %d", 1.0 / 0.0, 33, 44, 55);
2390 ASSERT (strcmp (result, "inf 33") == 0
2391 || strcmp (result, "infinity 33") == 0);
2392 ASSERT (retval == strlen (result));
2395 { /* Negative infinity. */
2398 my_sprintf (result, "%g %d", -1.0 / 0.0, 33, 44, 55);
2399 ASSERT (strcmp (result, "-inf 33") == 0
2400 || strcmp (result, "-infinity 33") == 0);
2401 ASSERT (retval == strlen (result));
2407 my_sprintf (result, "%g %d", NaNd (), 33, 44, 55);
2408 ASSERT (strlen (result) >= 3 + 3
2409 && strisnan (result, 0, strlen (result) - 3, 0)
2410 && strcmp (result + strlen (result) - 3, " 33") == 0);
2411 ASSERT (retval == strlen (result));
2417 my_sprintf (result, "%10g %d", 1.75, 33, 44, 55);
2418 ASSERT (strcmp (result, " 1.75 33") == 0);
2419 ASSERT (retval == strlen (result));
2425 my_sprintf (result, "%-10g %d", 1.75, 33, 44, 55);
2426 ASSERT (strcmp (result, "1.75 33") == 0);
2427 ASSERT (retval == strlen (result));
2430 { /* FLAG_SHOWSIGN. */
2433 my_sprintf (result, "%+g %d", 1.75, 33, 44, 55);
2434 ASSERT (strcmp (result, "+1.75 33") == 0);
2435 ASSERT (retval == strlen (result));
2441 my_sprintf (result, "% g %d", 1.75, 33, 44, 55);
2442 ASSERT (strcmp (result, " 1.75 33") == 0);
2443 ASSERT (retval == strlen (result));
2449 my_sprintf (result, "%#g %d", 1.75, 33, 44, 55);
2450 ASSERT (strcmp (result, "1.75000 33") == 0);
2451 ASSERT (retval == strlen (result));
2457 my_sprintf (result, "%#.g %d", 1.75, 33, 44, 55);
2458 ASSERT (strcmp (result, "2. 33") == 0);
2459 ASSERT (retval == strlen (result));
2465 my_sprintf (result, "%#.g %d", 9.75, 33, 44, 55);
2466 ASSERT (strcmp (result, "1.e+01 33") == 0
2467 || strcmp (result, "1.e+001 33") == 0);
2468 ASSERT (retval == strlen (result));
2471 { /* FLAG_ZERO with finite number. */
2474 my_sprintf (result, "%010g %d", 1234.0, 33, 44, 55);
2475 ASSERT (strcmp (result, "0000001234 33") == 0);
2476 ASSERT (retval == strlen (result));
2479 { /* FLAG_ZERO with infinite number. */
2482 my_sprintf (result, "%015g %d", -1.0 / 0.0, 33, 44, 55);
2483 ASSERT (strcmp (result, " -inf 33") == 0
2484 || strcmp (result, " -infinity 33") == 0);
2485 ASSERT (retval == strlen (result));
2488 { /* FLAG_ZERO with NaN. */
2491 my_sprintf (result, "%050g %d", NaNd (), 33, 44, 55);
2492 ASSERT (strlen (result) == 50 + 3
2493 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2494 && strcmp (result + strlen (result) - 3, " 33") == 0);
2495 ASSERT (retval == strlen (result));
2501 my_sprintf (result, "%.g %d", 1234.0, 33, 44, 55);
2502 ASSERT (strcmp (result, "1e+03 33") == 0
2503 || strcmp (result, "1e+003 33") == 0);
2504 ASSERT (retval == strlen (result));
2507 { /* Precision with no rounding. */
2510 my_sprintf (result, "%.5g %d", 999.951, 33, 44, 55);
2511 ASSERT (strcmp (result, "999.95 33") == 0);
2512 ASSERT (retval == strlen (result));
2515 { /* Precision with rounding. */
2518 my_sprintf (result, "%.5g %d", 999.996, 33, 44, 55);
2519 ASSERT (strcmp (result, "1000 33") == 0);
2520 ASSERT (retval == strlen (result));
2523 { /* A positive number. */
2526 my_sprintf (result, "%Lg %d", 12.75L, 33, 44, 55);
2527 ASSERT (strcmp (result, "12.75 33") == 0);
2528 ASSERT (retval == strlen (result));
2531 { /* A larger positive number. */
2534 my_sprintf (result, "%Lg %d", 1234567.0L, 33, 44, 55);
2535 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2536 || strcmp (result, "1.23457e+006 33") == 0);
2537 ASSERT (retval == strlen (result));
2540 { /* Small and large positive numbers. */
2541 static struct { long double value; const char *string; } data[] =
2543 { 1.234321234321234e-37L, "1.23432e-37" },
2544 { 1.234321234321234e-36L, "1.23432e-36" },
2545 { 1.234321234321234e-35L, "1.23432e-35" },
2546 { 1.234321234321234e-34L, "1.23432e-34" },
2547 { 1.234321234321234e-33L, "1.23432e-33" },
2548 { 1.234321234321234e-32L, "1.23432e-32" },
2549 { 1.234321234321234e-31L, "1.23432e-31" },
2550 { 1.234321234321234e-30L, "1.23432e-30" },
2551 { 1.234321234321234e-29L, "1.23432e-29" },
2552 { 1.234321234321234e-28L, "1.23432e-28" },
2553 { 1.234321234321234e-27L, "1.23432e-27" },
2554 { 1.234321234321234e-26L, "1.23432e-26" },
2555 { 1.234321234321234e-25L, "1.23432e-25" },
2556 { 1.234321234321234e-24L, "1.23432e-24" },
2557 { 1.234321234321234e-23L, "1.23432e-23" },
2558 { 1.234321234321234e-22L, "1.23432e-22" },
2559 { 1.234321234321234e-21L, "1.23432e-21" },
2560 { 1.234321234321234e-20L, "1.23432e-20" },
2561 { 1.234321234321234e-19L, "1.23432e-19" },
2562 { 1.234321234321234e-18L, "1.23432e-18" },
2563 { 1.234321234321234e-17L, "1.23432e-17" },
2564 { 1.234321234321234e-16L, "1.23432e-16" },
2565 { 1.234321234321234e-15L, "1.23432e-15" },
2566 { 1.234321234321234e-14L, "1.23432e-14" },
2567 { 1.234321234321234e-13L, "1.23432e-13" },
2568 { 1.234321234321234e-12L, "1.23432e-12" },
2569 { 1.234321234321234e-11L, "1.23432e-11" },
2570 { 1.234321234321234e-10L, "1.23432e-10" },
2571 { 1.234321234321234e-9L, "1.23432e-09" },
2572 { 1.234321234321234e-8L, "1.23432e-08" },
2573 { 1.234321234321234e-7L, "1.23432e-07" },
2574 { 1.234321234321234e-6L, "1.23432e-06" },
2575 { 1.234321234321234e-5L, "1.23432e-05" },
2576 { 1.234321234321234e-4L, "0.000123432" },
2577 { 1.234321234321234e-3L, "0.00123432" },
2578 { 1.234321234321234e-2L, "0.0123432" },
2579 { 1.234321234321234e-1L, "0.123432" },
2580 { 1.234321234321234L, "1.23432" },
2581 { 1.234321234321234e1L, "12.3432" },
2582 { 1.234321234321234e2L, "123.432" },
2583 { 1.234321234321234e3L, "1234.32" },
2584 { 1.234321234321234e4L, "12343.2" },
2585 { 1.234321234321234e5L, "123432" },
2586 { 1.234321234321234e6L, "1.23432e+06" },
2587 { 1.234321234321234e7L, "1.23432e+07" },
2588 { 1.234321234321234e8L, "1.23432e+08" },
2589 { 1.234321234321234e9L, "1.23432e+09" },
2590 { 1.234321234321234e10L, "1.23432e+10" },
2591 { 1.234321234321234e11L, "1.23432e+11" },
2592 { 1.234321234321234e12L, "1.23432e+12" },
2593 { 1.234321234321234e13L, "1.23432e+13" },
2594 { 1.234321234321234e14L, "1.23432e+14" },
2595 { 1.234321234321234e15L, "1.23432e+15" },
2596 { 1.234321234321234e16L, "1.23432e+16" },
2597 { 1.234321234321234e17L, "1.23432e+17" },
2598 { 1.234321234321234e18L, "1.23432e+18" },
2599 { 1.234321234321234e19L, "1.23432e+19" },
2600 { 1.234321234321234e20L, "1.23432e+20" },
2601 { 1.234321234321234e21L, "1.23432e+21" },
2602 { 1.234321234321234e22L, "1.23432e+22" },
2603 { 1.234321234321234e23L, "1.23432e+23" },
2604 { 1.234321234321234e24L, "1.23432e+24" },
2605 { 1.234321234321234e25L, "1.23432e+25" },
2606 { 1.234321234321234e26L, "1.23432e+26" },
2607 { 1.234321234321234e27L, "1.23432e+27" },
2608 { 1.234321234321234e28L, "1.23432e+28" },
2609 { 1.234321234321234e29L, "1.23432e+29" },
2610 { 1.234321234321234e30L, "1.23432e+30" },
2611 { 1.234321234321234e31L, "1.23432e+31" },
2612 { 1.234321234321234e32L, "1.23432e+32" },
2613 { 1.234321234321234e33L, "1.23432e+33" },
2614 { 1.234321234321234e34L, "1.23432e+34" },
2615 { 1.234321234321234e35L, "1.23432e+35" },
2616 { 1.234321234321234e36L, "1.23432e+36" }
2619 for (k = 0; k < SIZEOF (data); k++)
2623 my_sprintf (result, "%Lg", data[k].value);
2624 const char *expected = data[k].string;
2625 ASSERT (strcmp (result, expected) == 0
2626 /* Some implementations produce exponents with 3 digits. */
2627 || (expected[strlen (expected) - 4] == 'e'
2628 && strlen (result) == strlen (expected) + 1
2629 && memcmp (result, expected, strlen (expected) - 2) == 0
2630 && result[strlen (expected) - 2] == '0'
2631 && strcmp (result + strlen (expected) - 1,
2632 expected + strlen (expected) - 2)
2634 ASSERT (retval == strlen (result));
2638 { /* A negative number. */
2641 my_sprintf (result, "%Lg %d", -0.03125L, 33, 44, 55);
2642 ASSERT (strcmp (result, "-0.03125 33") == 0);
2643 ASSERT (retval == strlen (result));
2646 { /* Positive zero. */
2649 my_sprintf (result, "%Lg %d", 0.0L, 33, 44, 55);
2650 ASSERT (strcmp (result, "0 33") == 0);
2651 ASSERT (retval == strlen (result));
2654 { /* Negative zero. */
2657 my_sprintf (result, "%Lg %d", -zerol, 33, 44, 55);
2658 if (have_minus_zero ())
2659 ASSERT (strcmp (result, "-0 33") == 0);
2660 ASSERT (retval == strlen (result));
2663 { /* Positive infinity. */
2666 my_sprintf (result, "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2667 ASSERT (strcmp (result, "inf 33") == 0
2668 || strcmp (result, "infinity 33") == 0);
2669 ASSERT (retval == strlen (result));
2672 { /* Negative infinity. */
2675 my_sprintf (result, "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2676 ASSERT (strcmp (result, "-inf 33") == 0
2677 || strcmp (result, "-infinity 33") == 0);
2678 ASSERT (retval == strlen (result));
2684 my_sprintf (result, "%Lg %d", NaNl (), 33, 44, 55);
2685 ASSERT (strlen (result) >= 3 + 3
2686 && strisnan (result, 0, strlen (result) - 3, 0)
2687 && strcmp (result + strlen (result) - 3, " 33") == 0);
2688 ASSERT (retval == strlen (result));
2690 #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_))
2692 static union { unsigned int word[4]; long double value; } x =
2693 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2696 my_sprintf (result, "%La %d", x.value, 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));
2703 /* Signalling NaN. */
2704 static union { unsigned int word[4]; long double value; } x =
2705 { LDBL80_WORDS (0xFFFF, 0x83333333, 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));
2714 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2715 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2716 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2717 Application Architecture.
2718 Table 5-2 "Floating-Point Register Encodings"
2719 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2722 static union { unsigned int word[4]; long double value; } x =
2723 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2726 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2727 ASSERT (strlen (result) >= 3 + 3
2728 && strisnan (result, 0, strlen (result) - 3, 0)
2729 && strcmp (result + strlen (result) - 3, " 33") == 0);
2730 ASSERT (retval == strlen (result));
2732 { /* Pseudo-Infinity. */
2733 static union { unsigned int word[4]; long double value; } x =
2734 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2737 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2738 ASSERT (strlen (result) >= 3 + 3
2739 && strisnan (result, 0, strlen (result) - 3, 0)
2740 && strcmp (result + strlen (result) - 3, " 33") == 0);
2741 ASSERT (retval == strlen (result));
2743 { /* Pseudo-Zero. */
2744 static union { unsigned int word[4]; long double value; } x =
2745 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2748 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2749 ASSERT (strlen (result) >= 3 + 3
2750 && strisnan (result, 0, strlen (result) - 3, 0)
2751 && strcmp (result + strlen (result) - 3, " 33") == 0);
2752 ASSERT (retval == strlen (result));
2754 { /* Unnormalized number. */
2755 static union { unsigned int word[4]; long double value; } x =
2756 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2759 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2760 ASSERT (strlen (result) >= 3 + 3
2761 && strisnan (result, 0, strlen (result) - 3, 0)
2762 && strcmp (result + strlen (result) - 3, " 33") == 0);
2763 ASSERT (retval == strlen (result));
2765 { /* Pseudo-Denormal. */
2766 static union { unsigned int word[4]; long double value; } x =
2767 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2770 my_sprintf (result, "%Lg %d", x.value, 33, 44, 55);
2771 ASSERT (strlen (result) >= 3 + 3
2772 && strisnan (result, 0, strlen (result) - 3, 0)
2773 && strcmp (result + strlen (result) - 3, " 33") == 0);
2774 ASSERT (retval == strlen (result));
2781 my_sprintf (result, "%10Lg %d", 1.75L, 33, 44, 55);
2782 ASSERT (strcmp (result, " 1.75 33") == 0);
2783 ASSERT (retval == strlen (result));
2789 my_sprintf (result, "%-10Lg %d", 1.75L, 33, 44, 55);
2790 ASSERT (strcmp (result, "1.75 33") == 0);
2791 ASSERT (retval == strlen (result));
2794 { /* FLAG_SHOWSIGN. */
2797 my_sprintf (result, "%+Lg %d", 1.75L, 33, 44, 55);
2798 ASSERT (strcmp (result, "+1.75 33") == 0);
2799 ASSERT (retval == strlen (result));
2805 my_sprintf (result, "% Lg %d", 1.75L, 33, 44, 55);
2806 ASSERT (strcmp (result, " 1.75 33") == 0);
2807 ASSERT (retval == strlen (result));
2813 my_sprintf (result, "%#Lg %d", 1.75L, 33, 44, 55);
2814 ASSERT (strcmp (result, "1.75000 33") == 0);
2815 ASSERT (retval == strlen (result));
2821 my_sprintf (result, "%#.Lg %d", 1.75L, 33, 44, 55);
2822 ASSERT (strcmp (result, "2. 33") == 0);
2823 ASSERT (retval == strlen (result));
2829 my_sprintf (result, "%#.Lg %d", 9.75L, 33, 44, 55);
2830 ASSERT (strcmp (result, "1.e+01 33") == 0
2831 || strcmp (result, "1.e+001 33") == 0);
2832 ASSERT (retval == strlen (result));
2835 { /* FLAG_ZERO with finite number. */
2838 my_sprintf (result, "%010Lg %d", 1234.0L, 33, 44, 55);
2839 ASSERT (strcmp (result, "0000001234 33") == 0);
2840 ASSERT (retval == strlen (result));
2843 { /* FLAG_ZERO with infinite number. */
2846 my_sprintf (result, "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2847 ASSERT (strcmp (result, " -inf 33") == 0
2848 || strcmp (result, " -infinity 33") == 0);
2849 ASSERT (retval == strlen (result));
2852 { /* FLAG_ZERO with NaN. */
2855 my_sprintf (result, "%050Lg %d", NaNl (), 33, 44, 55);
2856 ASSERT (strlen (result) == 50 + 3
2857 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2858 && strcmp (result + strlen (result) - 3, " 33") == 0);
2859 ASSERT (retval == strlen (result));
2865 my_sprintf (result, "%.Lg %d", 1234.0L, 33, 44, 55);
2866 ASSERT (strcmp (result, "1e+03 33") == 0
2867 || strcmp (result, "1e+003 33") == 0);
2868 ASSERT (retval == strlen (result));
2871 { /* Precision with no rounding. */
2874 my_sprintf (result, "%.5Lg %d", 999.951L, 33, 44, 55);
2875 ASSERT (strcmp (result, "999.95 33") == 0);
2876 ASSERT (retval == strlen (result));
2879 { /* Precision with rounding. */
2882 my_sprintf (result, "%.5Lg %d", 999.996L, 33, 44, 55);
2883 ASSERT (strcmp (result, "1000 33") == 0);
2884 ASSERT (retval == strlen (result));
2887 /* Test the support of the %n format directive. */
2893 my_sprintf (result, "%d %n", 123, &count, 33, 44, 55);
2894 ASSERT (strcmp (result, "123 ") == 0);
2895 ASSERT (retval == strlen (result));
2896 ASSERT (count == 4);
2899 /* Test the support of the POSIX/XSI format strings with positions. */
2904 my_sprintf (result, "%2$d %1$d", 33, 55);
2905 ASSERT (strcmp (result, "55 33") == 0);
2906 ASSERT (retval == strlen (result));
2909 /* Test the support of the grouping flag. */
2914 my_sprintf (result, "%'d %d", 1234567, 99);
2915 ASSERT (result[strlen (result) - 1] == '9');
2916 ASSERT (retval == strlen (result));
2919 /* Test the support of the left-adjust flag. */
2924 my_sprintf (result, "a%*sc", -3, "b");
2925 ASSERT (strcmp (result, "ab c") == 0);
2926 ASSERT (retval == strlen (result));
2932 my_sprintf (result, "a%-*sc", 3, "b");
2933 ASSERT (strcmp (result, "ab c") == 0);
2934 ASSERT (retval == strlen (result));
2940 my_sprintf (result, "a%-*sc", -3, "b");
2941 ASSERT (strcmp (result, "ab c") == 0);
2942 ASSERT (retval == strlen (result));
2945 /* Test the support of large precision. */
2950 my_sprintf (result, "%.4000d %d", 1234567, 99);
2952 for (i = 0; i < 4000 - 7; i++)
2953 ASSERT (result[i] == '0');
2954 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2955 ASSERT (retval == strlen (result));
2961 my_sprintf (result, "%.*d %d", 4000, 1234567, 99);
2963 for (i = 0; i < 4000 - 7; i++)
2964 ASSERT (result[i] == '0');
2965 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2966 ASSERT (retval == strlen (result));
2972 my_sprintf (result, "%.4000d %d", -1234567, 99);
2974 ASSERT (result[0] == '-');
2975 for (i = 0; i < 4000 - 7; i++)
2976 ASSERT (result[1 + i] == '0');
2977 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2978 ASSERT (retval == strlen (result));
2984 my_sprintf (result, "%.4000u %d", 1234567, 99);
2986 for (i = 0; i < 4000 - 7; i++)
2987 ASSERT (result[i] == '0');
2988 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2989 ASSERT (retval == strlen (result));
2995 my_sprintf (result, "%.4000o %d", 1234567, 99);
2997 for (i = 0; i < 4000 - 7; i++)
2998 ASSERT (result[i] == '0');
2999 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
3000 ASSERT (retval == strlen (result));
3006 my_sprintf (result, "%.4000x %d", 1234567, 99);
3008 for (i = 0; i < 4000 - 6; i++)
3009 ASSERT (result[i] == '0');
3010 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
3011 ASSERT (retval == strlen (result));
3017 my_sprintf (result, "%#.4000x %d", 1234567, 99);
3019 ASSERT (result[0] == '0');
3020 ASSERT (result[1] == 'x');
3021 for (i = 0; i < 4000 - 6; i++)
3022 ASSERT (result[2 + i] == '0');
3023 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
3024 ASSERT (retval == strlen (result));
3033 for (i = 0; i < sizeof (input) - 1; i++)
3034 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
3036 retval = my_sprintf (result, "%.4000s %d", input, 99);
3037 ASSERT (memcmp (result, input, 4000) == 0);
3038 ASSERT (strcmp (result + 4000, " 99") == 0);
3039 ASSERT (retval == strlen (result));