1 /* Test of POSIX compatible vsnprintf() and snprintf() 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 static double minus_zero = -0.0;
27 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
30 /* Representation of an 80-bit 'long double' as an initializer for a sequence
31 of 'unsigned int' words. */
32 #ifdef WORDS_BIGENDIAN
33 # define LDBL80_WORDS(exponent,manthi,mantlo) \
34 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
35 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
36 (unsigned int) (mantlo) << 16 \
39 # define LDBL80_WORDS(exponent,manthi,mantlo) \
40 { mantlo, manthi, exponent }
44 strmatch (const char *pattern, const char *string)
46 if (strlen (pattern) != strlen (string))
48 for (; *pattern != '\0'; pattern++, string++)
49 if (*pattern != '*' && *string != *pattern)
54 /* Test whether string[start_index..end_index-1] is a valid textual
55 representation of NaN. */
57 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
59 if (start_index < end_index)
61 if (string[start_index] == '-')
63 if (start_index + 3 <= end_index
64 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
67 if (start_index == end_index
68 || (string[start_index] == '(' && string[end_index - 1] == ')'))
76 test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
81 /* Test return value convention. */
83 for (size = 0; size <= 8; size++)
87 memcpy (buf, "DEADBEEF", 8);
88 retval = my_snprintf (buf, size, "%d", 12345);
94 ASSERT (memcmp (buf, "12345", size - 1) == 0);
95 ASSERT (buf[size - 1] == '\0');
97 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
101 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
105 /* Test support of size specifiers as in C99. */
110 my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
111 ASSERT (strcmp (result, "12345671 33") == 0);
112 ASSERT (retval == strlen (result));
118 my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
119 ASSERT (strcmp (result, "12345672 33") == 0);
120 ASSERT (retval == strlen (result));
126 my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
127 ASSERT (strcmp (result, "12345673 33") == 0);
128 ASSERT (retval == strlen (result));
134 my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
135 ASSERT (strcmp (result, "1.5 33") == 0);
136 ASSERT (retval == strlen (result));
139 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
140 output of floating-point numbers. */
142 { /* A positive number. */
145 my_snprintf (result, sizeof (result), "%a %d", 3.1416015625, 33, 44, 55);
146 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
147 || strcmp (result, "0x3.244p+0 33") == 0
148 || strcmp (result, "0x6.488p-1 33") == 0
149 || strcmp (result, "0xc.91p-2 33") == 0);
150 ASSERT (retval == strlen (result));
153 { /* A negative number. */
156 my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
157 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
158 || strcmp (result, "-0X3.244P+0 33") == 0
159 || strcmp (result, "-0X6.488P-1 33") == 0
160 || strcmp (result, "-0XC.91P-2 33") == 0);
161 ASSERT (retval == strlen (result));
164 { /* Positive zero. */
167 my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
168 ASSERT (strcmp (result, "0x0p+0 33") == 0);
169 ASSERT (retval == strlen (result));
172 { /* Negative zero. */
175 my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
176 if (have_minus_zero ())
177 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
178 ASSERT (retval == strlen (result));
181 { /* Positive infinity. */
184 my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
185 ASSERT (strcmp (result, "inf 33") == 0);
186 ASSERT (retval == strlen (result));
189 { /* Negative infinity. */
192 my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
193 ASSERT (strcmp (result, "-inf 33") == 0);
194 ASSERT (retval == strlen (result));
200 my_snprintf (result, sizeof (result), "%a %d", NAN, 33, 44, 55);
201 ASSERT (strlen (result) >= 3 + 3
202 && strisnan (result, 0, strlen (result) - 3, 0)
203 && strcmp (result + strlen (result) - 3, " 33") == 0);
204 ASSERT (retval == strlen (result));
207 { /* Rounding near the decimal point. */
210 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 33, 44, 55);
211 ASSERT (strcmp (result, "0x2p+0 33") == 0
212 || strcmp (result, "0x3p-1 33") == 0
213 || strcmp (result, "0x6p-2 33") == 0
214 || strcmp (result, "0xcp-3 33") == 0);
215 ASSERT (retval == strlen (result));
218 { /* Rounding with precision 0. */
221 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
222 ASSERT (strcmp (result, "0x2p+0 33") == 0
223 || strcmp (result, "0x3p-1 33") == 0
224 || strcmp (result, "0x6p-2 33") == 0
225 || strcmp (result, "0xcp-3 33") == 0);
226 ASSERT (retval == strlen (result));
229 { /* Rounding with precision 1. */
232 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
233 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
234 || strcmp (result, "0x3.0p-1 33") == 0
235 || strcmp (result, "0x6.1p-2 33") == 0
236 || strcmp (result, "0xc.1p-3 33") == 0);
237 ASSERT (retval == strlen (result));
240 { /* Rounding with precision 2. */
243 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
244 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
245 || strcmp (result, "0x3.05p-1 33") == 0
246 || strcmp (result, "0x6.0ap-2 33") == 0
247 || strcmp (result, "0xc.14p-3 33") == 0);
248 ASSERT (retval == strlen (result));
251 { /* Rounding with precision 3. */
254 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
255 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
256 || strcmp (result, "0x3.052p-1 33") == 0
257 || strcmp (result, "0x6.0a4p-2 33") == 0
258 || strcmp (result, "0xc.148p-3 33") == 0);
259 ASSERT (retval == strlen (result));
262 { /* Rounding can turn a ...FFF into a ...000. */
265 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
266 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
267 || strcmp (result, "0x3.000p-1 33") == 0
268 || strcmp (result, "0x6.000p-2 33") == 0
269 || strcmp (result, "0xc.000p-3 33") == 0);
270 ASSERT (retval == strlen (result));
273 { /* Rounding can turn a ...FFF into a ...000.
274 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
277 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
278 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
279 || strcmp (result, "0x2.0p+0 33") == 0
280 || strcmp (result, "0x4.0p-1 33") == 0
281 || strcmp (result, "0x8.0p-2 33") == 0);
282 ASSERT (retval == strlen (result));
288 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
289 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
290 || strcmp (result, " 0x3.8p-1 33") == 0
291 || strcmp (result, " 0x7p-2 33") == 0
292 || strcmp (result, " 0xep-3 33") == 0);
293 ASSERT (retval == strlen (result));
296 { /* Small precision. */
299 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
300 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
301 || strcmp (result, "0x3.8000000000p-1 33") == 0
302 || strcmp (result, "0x7.0000000000p-2 33") == 0
303 || strcmp (result, "0xe.0000000000p-3 33") == 0);
304 ASSERT (retval == strlen (result));
307 { /* Large precision. */
310 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
311 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
312 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
313 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
314 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
315 ASSERT (retval == strlen (result));
321 my_snprintf (result, sizeof (result), "%-10a %d", 1.75, 33, 44, 55);
322 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
323 || strcmp (result, "0x3.8p-1 33") == 0
324 || strcmp (result, "0x7p-2 33") == 0
325 || strcmp (result, "0xep-3 33") == 0);
326 ASSERT (retval == strlen (result));
329 { /* FLAG_SHOWSIGN. */
332 my_snprintf (result, sizeof (result), "%+a %d", 1.75, 33, 44, 55);
333 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
334 || strcmp (result, "+0x3.8p-1 33") == 0
335 || strcmp (result, "+0x7p-2 33") == 0
336 || strcmp (result, "+0xep-3 33") == 0);
337 ASSERT (retval == strlen (result));
343 my_snprintf (result, sizeof (result), "% a %d", 1.75, 33, 44, 55);
344 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
345 || strcmp (result, " 0x3.8p-1 33") == 0
346 || strcmp (result, " 0x7p-2 33") == 0
347 || strcmp (result, " 0xep-3 33") == 0);
348 ASSERT (retval == strlen (result));
354 my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
355 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
356 || strcmp (result, "0x3.8p-1 33") == 0
357 || strcmp (result, "0x7.p-2 33") == 0
358 || strcmp (result, "0xe.p-3 33") == 0);
359 ASSERT (retval == strlen (result));
365 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
366 ASSERT (strcmp (result, "0x1.p+0 33") == 0
367 || strcmp (result, "0x2.p-1 33") == 0
368 || strcmp (result, "0x4.p-2 33") == 0
369 || strcmp (result, "0x8.p-3 33") == 0);
370 ASSERT (retval == strlen (result));
373 { /* FLAG_ZERO with finite number. */
376 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
377 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
378 || strcmp (result, "0x003.8p-1 33") == 0
379 || strcmp (result, "0x00007p-2 33") == 0
380 || strcmp (result, "0x0000ep-3 33") == 0);
381 ASSERT (retval == strlen (result));
384 { /* FLAG_ZERO with infinite number. */
387 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
388 /* "0000000inf 33" is not a valid result; see
389 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
390 ASSERT (strcmp (result, " inf 33") == 0);
391 ASSERT (retval == strlen (result));
394 { /* FLAG_ZERO with NaN. */
397 my_snprintf (result, sizeof (result), "%050a %d", NAN, 33, 44, 55);
398 /* "0000000nan 33" is not a valid result; see
399 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
400 ASSERT (strlen (result) == 50 + 3
401 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
402 && strcmp (result + strlen (result) - 3, " 33") == 0);
403 ASSERT (retval == strlen (result));
406 { /* A positive number. */
409 my_snprintf (result, sizeof (result), "%La %d", 3.1416015625L, 33, 44, 55);
410 ASSERT (strcmp (result, "0x1.922p+1 33") == 0
411 || strcmp (result, "0x3.244p+0 33") == 0
412 || strcmp (result, "0x6.488p-1 33") == 0
413 || strcmp (result, "0xc.91p-2 33") == 0);
414 ASSERT (retval == strlen (result));
417 { /* A negative number. */
420 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
421 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
422 || strcmp (result, "-0X3.244P+0 33") == 0
423 || strcmp (result, "-0X6.488P-1 33") == 0
424 || strcmp (result, "-0XC.91P-2 33") == 0);
425 ASSERT (retval == strlen (result));
428 { /* Positive zero. */
431 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
432 ASSERT (strcmp (result, "0x0p+0 33") == 0);
433 ASSERT (retval == strlen (result));
436 { /* Negative zero. */
439 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
440 if (have_minus_zero ())
441 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
442 ASSERT (retval == strlen (result));
445 { /* Positive infinity. */
448 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
449 ASSERT (strcmp (result, "inf 33") == 0);
450 ASSERT (retval == strlen (result));
453 { /* Negative infinity. */
456 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
457 ASSERT (strcmp (result, "-inf 33") == 0);
458 ASSERT (retval == strlen (result));
464 my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
465 ASSERT (strlen (result) >= 3 + 3
466 && strisnan (result, 0, strlen (result) - 3, 0)
467 && strcmp (result + strlen (result) - 3, " 33") == 0);
468 ASSERT (retval == strlen (result));
470 #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_))
472 static union { unsigned int word[4]; long double value; } x =
473 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
476 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
477 ASSERT (strlen (result) >= 3 + 3
478 && strisnan (result, 0, strlen (result) - 3, 0)
479 && strcmp (result + strlen (result) - 3, " 33") == 0);
480 ASSERT (retval == strlen (result));
483 /* Signalling NaN. */
484 static union { unsigned int word[4]; long double value; } x =
485 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
488 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
489 ASSERT (strlen (result) >= 3 + 3
490 && strisnan (result, 0, strlen (result) - 3, 0)
491 && strcmp (result + strlen (result) - 3, " 33") == 0);
492 ASSERT (retval == strlen (result));
494 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
495 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
496 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
497 Application Architecture.
498 Table 5-2 "Floating-Point Register Encodings"
499 Figure 5-6 "Memory to Floating-Point Register Data Translation"
502 static union { unsigned int word[4]; long double value; } x =
503 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
506 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
507 ASSERT (strlen (result) >= 3 + 3
508 && strisnan (result, 0, strlen (result) - 3, 0)
509 && strcmp (result + strlen (result) - 3, " 33") == 0);
510 ASSERT (retval == strlen (result));
512 { /* Pseudo-Infinity. */
513 static union { unsigned int word[4]; long double value; } x =
514 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
517 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
518 ASSERT (strlen (result) >= 3 + 3
519 && strisnan (result, 0, strlen (result) - 3, 0)
520 && strcmp (result + strlen (result) - 3, " 33") == 0);
521 ASSERT (retval == strlen (result));
524 static union { unsigned int word[4]; long double value; } x =
525 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
528 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
529 ASSERT (strlen (result) >= 3 + 3
530 && strisnan (result, 0, strlen (result) - 3, 0)
531 && strcmp (result + strlen (result) - 3, " 33") == 0);
532 ASSERT (retval == strlen (result));
534 { /* Unnormalized number. */
535 static union { unsigned int word[4]; long double value; } x =
536 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
539 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
540 ASSERT (strlen (result) >= 3 + 3
541 && strisnan (result, 0, strlen (result) - 3, 0)
542 && strcmp (result + strlen (result) - 3, " 33") == 0);
543 ASSERT (retval == strlen (result));
545 { /* Pseudo-Denormal. */
546 static union { unsigned int word[4]; long double value; } x =
547 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
550 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
551 ASSERT (strlen (result) >= 3 + 3
552 && strisnan (result, 0, strlen (result) - 3, 0)
553 && strcmp (result + strlen (result) - 3, " 33") == 0);
554 ASSERT (retval == strlen (result));
558 { /* Rounding near the decimal point. */
561 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 33, 44, 55);
562 ASSERT (strcmp (result, "0x2p+0 33") == 0
563 || strcmp (result, "0x3p-1 33") == 0
564 || strcmp (result, "0x6p-2 33") == 0
565 || strcmp (result, "0xcp-3 33") == 0);
566 ASSERT (retval == strlen (result));
569 { /* Rounding with precision 0. */
572 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
573 ASSERT (strcmp (result, "0x2p+0 33") == 0
574 || strcmp (result, "0x3p-1 33") == 0
575 || strcmp (result, "0x6p-2 33") == 0
576 || strcmp (result, "0xcp-3 33") == 0);
577 ASSERT (retval == strlen (result));
580 { /* Rounding with precision 1. */
583 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
584 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
585 || strcmp (result, "0x3.0p-1 33") == 0
586 || strcmp (result, "0x6.1p-2 33") == 0
587 || strcmp (result, "0xc.1p-3 33") == 0);
588 ASSERT (retval == strlen (result));
591 { /* Rounding with precision 2. */
594 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
595 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
596 || strcmp (result, "0x3.05p-1 33") == 0
597 || strcmp (result, "0x6.0ap-2 33") == 0
598 || strcmp (result, "0xc.14p-3 33") == 0);
599 ASSERT (retval == strlen (result));
602 { /* Rounding with precision 3. */
605 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
606 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
607 || strcmp (result, "0x3.052p-1 33") == 0
608 || strcmp (result, "0x6.0a4p-2 33") == 0
609 || strcmp (result, "0xc.148p-3 33") == 0);
610 ASSERT (retval == strlen (result));
613 { /* Rounding can turn a ...FFF into a ...000. */
616 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
617 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
618 || strcmp (result, "0x3.000p-1 33") == 0
619 || strcmp (result, "0x6.000p-2 33") == 0
620 || strcmp (result, "0xc.000p-3 33") == 0);
621 ASSERT (retval == strlen (result));
624 { /* Rounding can turn a ...FFF into a ...000.
625 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
626 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
629 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
630 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
631 || strcmp (result, "0x2.0p+0 33") == 0
632 || strcmp (result, "0x4.0p-1 33") == 0
633 || strcmp (result, "0x8.0p-2 33") == 0);
634 ASSERT (retval == strlen (result));
640 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
641 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
642 || strcmp (result, " 0x3.8p-1 33") == 0
643 || strcmp (result, " 0x7p-2 33") == 0
644 || strcmp (result, " 0xep-3 33") == 0);
645 ASSERT (retval == strlen (result));
648 { /* Small precision. */
651 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
652 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
653 || strcmp (result, "0x3.8000000000p-1 33") == 0
654 || strcmp (result, "0x7.0000000000p-2 33") == 0
655 || strcmp (result, "0xe.0000000000p-3 33") == 0);
656 ASSERT (retval == strlen (result));
659 { /* Large precision. */
662 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
663 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
664 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
665 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
666 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
667 ASSERT (retval == strlen (result));
673 my_snprintf (result, sizeof (result), "%-10La %d", 1.75L, 33, 44, 55);
674 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
675 || strcmp (result, "0x3.8p-1 33") == 0
676 || strcmp (result, "0x7p-2 33") == 0
677 || strcmp (result, "0xep-3 33") == 0);
678 ASSERT (retval == strlen (result));
681 { /* FLAG_SHOWSIGN. */
684 my_snprintf (result, sizeof (result), "%+La %d", 1.75L, 33, 44, 55);
685 ASSERT (strcmp (result, "+0x1.cp+0 33") == 0
686 || strcmp (result, "+0x3.8p-1 33") == 0
687 || strcmp (result, "+0x7p-2 33") == 0
688 || strcmp (result, "+0xep-3 33") == 0);
689 ASSERT (retval == strlen (result));
695 my_snprintf (result, sizeof (result), "% La %d", 1.75L, 33, 44, 55);
696 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
697 || strcmp (result, " 0x3.8p-1 33") == 0
698 || strcmp (result, " 0x7p-2 33") == 0
699 || strcmp (result, " 0xep-3 33") == 0);
700 ASSERT (retval == strlen (result));
706 my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
707 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
708 || strcmp (result, "0x3.8p-1 33") == 0
709 || strcmp (result, "0x7.p-2 33") == 0
710 || strcmp (result, "0xe.p-3 33") == 0);
711 ASSERT (retval == strlen (result));
717 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
718 ASSERT (strcmp (result, "0x1.p+0 33") == 0
719 || strcmp (result, "0x2.p-1 33") == 0
720 || strcmp (result, "0x4.p-2 33") == 0
721 || strcmp (result, "0x8.p-3 33") == 0);
722 ASSERT (retval == strlen (result));
725 { /* FLAG_ZERO with finite number. */
728 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
729 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
730 || strcmp (result, "0x003.8p-1 33") == 0
731 || strcmp (result, "0x00007p-2 33") == 0
732 || strcmp (result, "0x0000ep-3 33") == 0);
733 ASSERT (retval == strlen (result));
736 { /* FLAG_ZERO with infinite number. */
739 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
740 /* "0000000inf 33" is not a valid result; see
741 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
742 ASSERT (strcmp (result, " inf 33") == 0);
743 ASSERT (retval == strlen (result));
746 { /* FLAG_ZERO with NaN. */
749 my_snprintf (result, sizeof (result), "%050La %d", 0.0L / 0.0L, 33, 44, 55);
750 /* "0000000nan 33" is not a valid result; see
751 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
752 ASSERT (strlen (result) == 50 + 3
753 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
754 && strcmp (result + strlen (result) - 3, " 33") == 0);
755 ASSERT (retval == strlen (result));
758 /* Test the support of the %f format directive. */
760 { /* A positive number. */
763 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
764 ASSERT (strcmp (result, "12.750000 33") == 0);
765 ASSERT (retval == strlen (result));
768 { /* A larger positive number. */
771 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
772 ASSERT (strcmp (result, "1234567.000000 33") == 0);
773 ASSERT (retval == strlen (result));
776 { /* Small and large positive numbers. */
777 static struct { double value; const char *string; } data[] =
779 { 1.234321234321234e-37, "0.000000" },
780 { 1.234321234321234e-36, "0.000000" },
781 { 1.234321234321234e-35, "0.000000" },
782 { 1.234321234321234e-34, "0.000000" },
783 { 1.234321234321234e-33, "0.000000" },
784 { 1.234321234321234e-32, "0.000000" },
785 { 1.234321234321234e-31, "0.000000" },
786 { 1.234321234321234e-30, "0.000000" },
787 { 1.234321234321234e-29, "0.000000" },
788 { 1.234321234321234e-28, "0.000000" },
789 { 1.234321234321234e-27, "0.000000" },
790 { 1.234321234321234e-26, "0.000000" },
791 { 1.234321234321234e-25, "0.000000" },
792 { 1.234321234321234e-24, "0.000000" },
793 { 1.234321234321234e-23, "0.000000" },
794 { 1.234321234321234e-22, "0.000000" },
795 { 1.234321234321234e-21, "0.000000" },
796 { 1.234321234321234e-20, "0.000000" },
797 { 1.234321234321234e-19, "0.000000" },
798 { 1.234321234321234e-18, "0.000000" },
799 { 1.234321234321234e-17, "0.000000" },
800 { 1.234321234321234e-16, "0.000000" },
801 { 1.234321234321234e-15, "0.000000" },
802 { 1.234321234321234e-14, "0.000000" },
803 { 1.234321234321234e-13, "0.000000" },
804 { 1.234321234321234e-12, "0.000000" },
805 { 1.234321234321234e-11, "0.000000" },
806 { 1.234321234321234e-10, "0.000000" },
807 { 1.234321234321234e-9, "0.000000" },
808 { 1.234321234321234e-8, "0.000000" },
809 { 1.234321234321234e-7, "0.000000" },
810 { 1.234321234321234e-6, "0.000001" },
811 { 1.234321234321234e-5, "0.000012" },
812 { 1.234321234321234e-4, "0.000123" },
813 { 1.234321234321234e-3, "0.001234" },
814 { 1.234321234321234e-2, "0.012343" },
815 { 1.234321234321234e-1, "0.123432" },
816 { 1.234321234321234, "1.234321" },
817 { 1.234321234321234e1, "12.343212" },
818 { 1.234321234321234e2, "123.432123" },
819 { 1.234321234321234e3, "1234.321234" },
820 { 1.234321234321234e4, "12343.212343" },
821 { 1.234321234321234e5, "123432.123432" },
822 { 1.234321234321234e6, "1234321.234321" },
823 { 1.234321234321234e7, "12343212.343212" },
824 { 1.234321234321234e8, "123432123.432123" },
825 { 1.234321234321234e9, "1234321234.321234" },
826 { 1.234321234321234e10, "12343212343.2123**" },
827 { 1.234321234321234e11, "123432123432.123***" },
828 { 1.234321234321234e12, "1234321234321.23****" },
829 { 1.234321234321234e13, "12343212343212.3*****" },
830 { 1.234321234321234e14, "123432123432123.******" },
831 { 1.234321234321234e15, "1234321234321234.000000" },
832 { 1.234321234321234e16, "123432123432123**.000000" },
833 { 1.234321234321234e17, "123432123432123***.000000" },
834 { 1.234321234321234e18, "123432123432123****.000000" },
835 { 1.234321234321234e19, "123432123432123*****.000000" },
836 { 1.234321234321234e20, "123432123432123******.000000" },
837 { 1.234321234321234e21, "123432123432123*******.000000" },
838 { 1.234321234321234e22, "123432123432123********.000000" },
839 { 1.234321234321234e23, "123432123432123*********.000000" },
840 { 1.234321234321234e24, "123432123432123**********.000000" },
841 { 1.234321234321234e25, "123432123432123***********.000000" },
842 { 1.234321234321234e26, "123432123432123************.000000" },
843 { 1.234321234321234e27, "123432123432123*************.000000" },
844 { 1.234321234321234e28, "123432123432123**************.000000" },
845 { 1.234321234321234e29, "123432123432123***************.000000" },
846 { 1.234321234321234e30, "123432123432123****************.000000" },
847 { 1.234321234321234e31, "123432123432123*****************.000000" },
848 { 1.234321234321234e32, "123432123432123******************.000000" },
849 { 1.234321234321234e33, "123432123432123*******************.000000" },
850 { 1.234321234321234e34, "123432123432123********************.000000" },
851 { 1.234321234321234e35, "123432123432123*********************.000000" },
852 { 1.234321234321234e36, "123432123432123**********************.000000" }
855 for (k = 0; k < SIZEOF (data); k++)
859 my_snprintf (result, sizeof (result), "%f", data[k].value);
860 ASSERT (strmatch (data[k].string, result));
861 ASSERT (retval == strlen (result));
865 { /* A negative number. */
868 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
869 ASSERT (strcmp (result, "-0.031250 33") == 0);
870 ASSERT (retval == strlen (result));
873 { /* Positive zero. */
876 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
877 ASSERT (strcmp (result, "0.000000 33") == 0);
878 ASSERT (retval == strlen (result));
881 { /* Negative zero. */
884 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
885 if (have_minus_zero ())
886 ASSERT (strcmp (result, "-0.000000 33") == 0);
887 ASSERT (retval == strlen (result));
890 { /* Positive infinity. */
893 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
894 ASSERT (strcmp (result, "inf 33") == 0
895 || strcmp (result, "infinity 33") == 0);
896 ASSERT (retval == strlen (result));
899 { /* Negative infinity. */
902 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
903 ASSERT (strcmp (result, "-inf 33") == 0
904 || strcmp (result, "-infinity 33") == 0);
905 ASSERT (retval == strlen (result));
911 my_snprintf (result, sizeof (result), "%f %d", NAN, 33, 44, 55);
912 ASSERT (strlen (result) >= 3 + 3
913 && strisnan (result, 0, strlen (result) - 3, 0)
914 && strcmp (result + strlen (result) - 3, " 33") == 0);
915 ASSERT (retval == strlen (result));
921 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
922 ASSERT (result != NULL);
923 ASSERT (strcmp (result, " 1.750000 33") == 0);
924 ASSERT (retval == strlen (result));
930 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
931 ASSERT (result != NULL);
932 ASSERT (strcmp (result, "1.750000 33") == 0);
933 ASSERT (retval == strlen (result));
936 { /* FLAG_SHOWSIGN. */
939 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
940 ASSERT (result != NULL);
941 ASSERT (strcmp (result, "+1.750000 33") == 0);
942 ASSERT (retval == strlen (result));
948 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
949 ASSERT (result != NULL);
950 ASSERT (strcmp (result, " 1.750000 33") == 0);
951 ASSERT (retval == strlen (result));
957 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
958 ASSERT (result != NULL);
959 ASSERT (strcmp (result, "1.750000 33") == 0);
960 ASSERT (retval == strlen (result));
966 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
967 ASSERT (result != NULL);
968 ASSERT (strcmp (result, "2. 33") == 0);
969 ASSERT (retval == strlen (result));
972 { /* FLAG_ZERO with finite number. */
975 my_snprintf (result, sizeof (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_snprintf (result, sizeof (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_snprintf (result, sizeof (result), "%050f %d", NAN, 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_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
1003 ASSERT (strcmp (result, "1234 33") == 0);
1004 ASSERT (retval == strlen (result));
1007 { /* A positive number. */
1010 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
1011 ASSERT (strcmp (result, "12.750000 33") == 0);
1012 ASSERT (retval == strlen (result));
1015 { /* A larger positive number. */
1018 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
1019 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1020 ASSERT (retval == strlen (result));
1023 { /* Small and large positive numbers. */
1024 static struct { long double value; const char *string; } data[] =
1026 { 1.234321234321234e-37L, "0.000000" },
1027 { 1.234321234321234e-36L, "0.000000" },
1028 { 1.234321234321234e-35L, "0.000000" },
1029 { 1.234321234321234e-34L, "0.000000" },
1030 { 1.234321234321234e-33L, "0.000000" },
1031 { 1.234321234321234e-32L, "0.000000" },
1032 { 1.234321234321234e-31L, "0.000000" },
1033 { 1.234321234321234e-30L, "0.000000" },
1034 { 1.234321234321234e-29L, "0.000000" },
1035 { 1.234321234321234e-28L, "0.000000" },
1036 { 1.234321234321234e-27L, "0.000000" },
1037 { 1.234321234321234e-26L, "0.000000" },
1038 { 1.234321234321234e-25L, "0.000000" },
1039 { 1.234321234321234e-24L, "0.000000" },
1040 { 1.234321234321234e-23L, "0.000000" },
1041 { 1.234321234321234e-22L, "0.000000" },
1042 { 1.234321234321234e-21L, "0.000000" },
1043 { 1.234321234321234e-20L, "0.000000" },
1044 { 1.234321234321234e-19L, "0.000000" },
1045 { 1.234321234321234e-18L, "0.000000" },
1046 { 1.234321234321234e-17L, "0.000000" },
1047 { 1.234321234321234e-16L, "0.000000" },
1048 { 1.234321234321234e-15L, "0.000000" },
1049 { 1.234321234321234e-14L, "0.000000" },
1050 { 1.234321234321234e-13L, "0.000000" },
1051 { 1.234321234321234e-12L, "0.000000" },
1052 { 1.234321234321234e-11L, "0.000000" },
1053 { 1.234321234321234e-10L, "0.000000" },
1054 { 1.234321234321234e-9L, "0.000000" },
1055 { 1.234321234321234e-8L, "0.000000" },
1056 { 1.234321234321234e-7L, "0.000000" },
1057 { 1.234321234321234e-6L, "0.000001" },
1058 { 1.234321234321234e-5L, "0.000012" },
1059 { 1.234321234321234e-4L, "0.000123" },
1060 { 1.234321234321234e-3L, "0.001234" },
1061 { 1.234321234321234e-2L, "0.012343" },
1062 { 1.234321234321234e-1L, "0.123432" },
1063 { 1.234321234321234L, "1.234321" },
1064 { 1.234321234321234e1L, "12.343212" },
1065 { 1.234321234321234e2L, "123.432123" },
1066 { 1.234321234321234e3L, "1234.321234" },
1067 { 1.234321234321234e4L, "12343.212343" },
1068 { 1.234321234321234e5L, "123432.123432" },
1069 { 1.234321234321234e6L, "1234321.234321" },
1070 { 1.234321234321234e7L, "12343212.343212" },
1071 { 1.234321234321234e8L, "123432123.432123" },
1072 { 1.234321234321234e9L, "1234321234.321234" },
1073 { 1.234321234321234e10L, "12343212343.2123**" },
1074 { 1.234321234321234e11L, "123432123432.123***" },
1075 { 1.234321234321234e12L, "1234321234321.23****" },
1076 { 1.234321234321234e13L, "12343212343212.3*****" },
1077 { 1.234321234321234e14L, "123432123432123.******" },
1078 { 1.234321234321234e15L, "1234321234321234.000000" },
1079 { 1.234321234321234e16L, "123432123432123**.000000" },
1080 { 1.234321234321234e17L, "123432123432123***.000000" },
1081 { 1.234321234321234e18L, "123432123432123****.000000" },
1082 { 1.234321234321234e19L, "123432123432123*****.000000" },
1083 { 1.234321234321234e20L, "123432123432123******.000000" },
1084 { 1.234321234321234e21L, "123432123432123*******.000000" },
1085 { 1.234321234321234e22L, "123432123432123********.000000" },
1086 { 1.234321234321234e23L, "123432123432123*********.000000" },
1087 { 1.234321234321234e24L, "123432123432123**********.000000" },
1088 { 1.234321234321234e25L, "123432123432123***********.000000" },
1089 { 1.234321234321234e26L, "123432123432123************.000000" },
1090 { 1.234321234321234e27L, "123432123432123*************.000000" },
1091 { 1.234321234321234e28L, "123432123432123**************.000000" },
1092 { 1.234321234321234e29L, "123432123432123***************.000000" },
1093 { 1.234321234321234e30L, "123432123432123****************.000000" },
1094 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1095 { 1.234321234321234e32L, "123432123432123******************.000000" },
1096 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1097 { 1.234321234321234e34L, "123432123432123********************.000000" },
1098 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1099 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1102 for (k = 0; k < SIZEOF (data); k++)
1106 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
1107 ASSERT (strmatch (data[k].string, result));
1108 ASSERT (retval == strlen (result));
1112 { /* A negative number. */
1115 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1116 ASSERT (strcmp (result, "-0.031250 33") == 0);
1117 ASSERT (retval == strlen (result));
1120 { /* Positive zero. */
1123 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1124 ASSERT (strcmp (result, "0.000000 33") == 0);
1125 ASSERT (retval == strlen (result));
1128 { /* Negative zero. */
1131 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1132 if (have_minus_zero ())
1133 ASSERT (strcmp (result, "-0.000000 33") == 0);
1134 ASSERT (retval == strlen (result));
1137 { /* Positive infinity. */
1140 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1141 ASSERT (strcmp (result, "inf 33") == 0
1142 || strcmp (result, "infinity 33") == 0);
1143 ASSERT (retval == strlen (result));
1146 { /* Negative infinity. */
1149 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1150 ASSERT (strcmp (result, "-inf 33") == 0
1151 || strcmp (result, "-infinity 33") == 0);
1152 ASSERT (retval == strlen (result));
1156 static long double zero = 0.0L;
1159 my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1160 ASSERT (strlen (result) >= 3 + 3
1161 && strisnan (result, 0, strlen (result) - 3, 0)
1162 && strcmp (result + strlen (result) - 3, " 33") == 0);
1163 ASSERT (retval == strlen (result));
1165 #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_))
1167 static union { unsigned int word[4]; long double value; } x =
1168 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1171 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1172 ASSERT (strlen (result) >= 3 + 3
1173 && strisnan (result, 0, strlen (result) - 3, 0)
1174 && strcmp (result + strlen (result) - 3, " 33") == 0);
1175 ASSERT (retval == strlen (result));
1178 /* Signalling NaN. */
1179 static union { unsigned int word[4]; long double value; } x =
1180 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1183 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1184 ASSERT (strlen (result) >= 3 + 3
1185 && strisnan (result, 0, strlen (result) - 3, 0)
1186 && strcmp (result + strlen (result) - 3, " 33") == 0);
1187 ASSERT (retval == strlen (result));
1189 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1190 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1191 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1192 Application Architecture.
1193 Table 5-2 "Floating-Point Register Encodings"
1194 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1197 static union { unsigned int word[4]; long double value; } x =
1198 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
1201 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1202 ASSERT (strlen (result) >= 3 + 3
1203 && strisnan (result, 0, strlen (result) - 3, 0)
1204 && strcmp (result + strlen (result) - 3, " 33") == 0);
1205 ASSERT (retval == strlen (result));
1207 { /* Pseudo-Infinity. */
1208 static union { unsigned int word[4]; long double value; } x =
1209 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
1212 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1213 ASSERT (strlen (result) >= 3 + 3
1214 && strisnan (result, 0, strlen (result) - 3, 0)
1215 && strcmp (result + strlen (result) - 3, " 33") == 0);
1216 ASSERT (retval == strlen (result));
1218 { /* Pseudo-Zero. */
1219 static union { unsigned int word[4]; long double value; } x =
1220 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
1223 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1224 ASSERT (strlen (result) >= 3 + 3
1225 && strisnan (result, 0, strlen (result) - 3, 0)
1226 && strcmp (result + strlen (result) - 3, " 33") == 0);
1227 ASSERT (retval == strlen (result));
1229 { /* Unnormalized number. */
1230 static union { unsigned int word[4]; long double value; } x =
1231 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
1234 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1235 ASSERT (strlen (result) >= 3 + 3
1236 && strisnan (result, 0, strlen (result) - 3, 0)
1237 && strcmp (result + strlen (result) - 3, " 33") == 0);
1238 ASSERT (retval == strlen (result));
1240 { /* Pseudo-Denormal. */
1241 static union { unsigned int word[4]; long double value; } x =
1242 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1245 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1246 ASSERT (strlen (result) >= 3 + 3
1247 && strisnan (result, 0, strlen (result) - 3, 0)
1248 && strcmp (result + strlen (result) - 3, " 33") == 0);
1249 ASSERT (retval == strlen (result));
1256 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1257 ASSERT (result != NULL);
1258 ASSERT (strcmp (result, " 1.750000 33") == 0);
1259 ASSERT (retval == strlen (result));
1265 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1266 ASSERT (result != NULL);
1267 ASSERT (strcmp (result, "1.750000 33") == 0);
1268 ASSERT (retval == strlen (result));
1271 { /* FLAG_SHOWSIGN. */
1274 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1275 ASSERT (result != NULL);
1276 ASSERT (strcmp (result, "+1.750000 33") == 0);
1277 ASSERT (retval == strlen (result));
1283 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1284 ASSERT (result != NULL);
1285 ASSERT (strcmp (result, " 1.750000 33") == 0);
1286 ASSERT (retval == strlen (result));
1292 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1293 ASSERT (result != NULL);
1294 ASSERT (strcmp (result, "1.750000 33") == 0);
1295 ASSERT (retval == strlen (result));
1301 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1302 ASSERT (result != NULL);
1303 ASSERT (strcmp (result, "2. 33") == 0);
1304 ASSERT (retval == strlen (result));
1307 { /* FLAG_ZERO with finite number. */
1310 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1311 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1312 ASSERT (retval == strlen (result));
1315 { /* FLAG_ZERO with infinite number. */
1318 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1319 ASSERT (strcmp (result, " -inf 33") == 0
1320 || strcmp (result, " -infinity 33") == 0);
1321 ASSERT (retval == strlen (result));
1324 { /* FLAG_ZERO with NaN. */
1325 static long double zero = 0.0L;
1328 my_snprintf (result, sizeof (result), "%050Lf %d", zero / zero, 33, 44, 55);
1329 ASSERT (strlen (result) == 50 + 3
1330 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1331 && strcmp (result + strlen (result) - 3, " 33") == 0);
1332 ASSERT (retval == strlen (result));
1338 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1339 ASSERT (strcmp (result, "1234 33") == 0);
1340 ASSERT (retval == strlen (result));
1343 /* Test the support of the %F format directive. */
1345 { /* A positive number. */
1348 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1349 ASSERT (strcmp (result, "12.750000 33") == 0);
1350 ASSERT (retval == strlen (result));
1353 { /* A larger positive number. */
1356 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1357 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1358 ASSERT (retval == strlen (result));
1361 { /* A negative number. */
1364 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1365 ASSERT (strcmp (result, "-0.031250 33") == 0);
1366 ASSERT (retval == strlen (result));
1369 { /* Positive zero. */
1372 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1373 ASSERT (strcmp (result, "0.000000 33") == 0);
1374 ASSERT (retval == strlen (result));
1377 { /* Negative zero. */
1380 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1381 if (have_minus_zero ())
1382 ASSERT (strcmp (result, "-0.000000 33") == 0);
1383 ASSERT (retval == strlen (result));
1386 { /* Positive infinity. */
1389 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1390 ASSERT (strcmp (result, "INF 33") == 0
1391 || strcmp (result, "INFINITY 33") == 0);
1392 ASSERT (retval == strlen (result));
1395 { /* Negative infinity. */
1398 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1399 ASSERT (strcmp (result, "-INF 33") == 0
1400 || strcmp (result, "-INFINITY 33") == 0);
1401 ASSERT (retval == strlen (result));
1407 my_snprintf (result, sizeof (result), "%F %d", NAN, 33, 44, 55);
1408 ASSERT (strlen (result) >= 3 + 3
1409 && strisnan (result, 0, strlen (result) - 3, 1)
1410 && strcmp (result + strlen (result) - 3, " 33") == 0);
1411 ASSERT (retval == strlen (result));
1417 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1418 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1419 ASSERT (retval == strlen (result));
1422 { /* FLAG_ZERO with infinite number. */
1425 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1426 ASSERT (strcmp (result, " -INF 33") == 0
1427 || strcmp (result, " -INFINITY 33") == 0);
1428 ASSERT (retval == strlen (result));
1434 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1435 ASSERT (strcmp (result, "1234 33") == 0);
1436 ASSERT (retval == strlen (result));
1439 { /* A positive number. */
1442 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1443 ASSERT (strcmp (result, "12.750000 33") == 0);
1444 ASSERT (retval == strlen (result));
1447 { /* A larger positive number. */
1450 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1451 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1452 ASSERT (retval == strlen (result));
1455 { /* A negative number. */
1458 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1459 ASSERT (strcmp (result, "-0.031250 33") == 0);
1460 ASSERT (retval == strlen (result));
1463 { /* Positive zero. */
1466 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1467 ASSERT (strcmp (result, "0.000000 33") == 0);
1468 ASSERT (retval == strlen (result));
1471 { /* Negative zero. */
1474 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1475 if (have_minus_zero ())
1476 ASSERT (strcmp (result, "-0.000000 33") == 0);
1477 ASSERT (retval == strlen (result));
1480 { /* Positive infinity. */
1483 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1484 ASSERT (strcmp (result, "INF 33") == 0
1485 || strcmp (result, "INFINITY 33") == 0);
1486 ASSERT (retval == strlen (result));
1489 { /* Negative infinity. */
1492 my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1493 ASSERT (strcmp (result, "-INF 33") == 0
1494 || strcmp (result, "-INFINITY 33") == 0);
1495 ASSERT (retval == strlen (result));
1499 static long double zero = 0.0L;
1502 my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1503 ASSERT (strlen (result) >= 3 + 3
1504 && strisnan (result, 0, strlen (result) - 3, 1)
1505 && strcmp (result + strlen (result) - 3, " 33") == 0);
1506 ASSERT (retval == strlen (result));
1512 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1513 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1514 ASSERT (retval == strlen (result));
1517 { /* FLAG_ZERO with infinite number. */
1520 my_snprintf (result, sizeof (result), "%015LF %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_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1530 ASSERT (strcmp (result, "1234 33") == 0);
1531 ASSERT (retval == strlen (result));
1534 /* Test the support of the %e format directive. */
1536 { /* A positive number. */
1539 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1540 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1541 || strcmp (result, "1.275000e+001 33") == 0);
1542 ASSERT (retval == strlen (result));
1545 { /* A larger positive number. */
1548 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1549 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1550 || strcmp (result, "1.234567e+006 33") == 0);
1551 ASSERT (retval == strlen (result));
1554 { /* Small and large positive numbers. */
1555 static struct { double value; const char *string; } data[] =
1557 { 1.234321234321234e-37, "1.234321e-37" },
1558 { 1.234321234321234e-36, "1.234321e-36" },
1559 { 1.234321234321234e-35, "1.234321e-35" },
1560 { 1.234321234321234e-34, "1.234321e-34" },
1561 { 1.234321234321234e-33, "1.234321e-33" },
1562 { 1.234321234321234e-32, "1.234321e-32" },
1563 { 1.234321234321234e-31, "1.234321e-31" },
1564 { 1.234321234321234e-30, "1.234321e-30" },
1565 { 1.234321234321234e-29, "1.234321e-29" },
1566 { 1.234321234321234e-28, "1.234321e-28" },
1567 { 1.234321234321234e-27, "1.234321e-27" },
1568 { 1.234321234321234e-26, "1.234321e-26" },
1569 { 1.234321234321234e-25, "1.234321e-25" },
1570 { 1.234321234321234e-24, "1.234321e-24" },
1571 { 1.234321234321234e-23, "1.234321e-23" },
1572 { 1.234321234321234e-22, "1.234321e-22" },
1573 { 1.234321234321234e-21, "1.234321e-21" },
1574 { 1.234321234321234e-20, "1.234321e-20" },
1575 { 1.234321234321234e-19, "1.234321e-19" },
1576 { 1.234321234321234e-18, "1.234321e-18" },
1577 { 1.234321234321234e-17, "1.234321e-17" },
1578 { 1.234321234321234e-16, "1.234321e-16" },
1579 { 1.234321234321234e-15, "1.234321e-15" },
1580 { 1.234321234321234e-14, "1.234321e-14" },
1581 { 1.234321234321234e-13, "1.234321e-13" },
1582 { 1.234321234321234e-12, "1.234321e-12" },
1583 { 1.234321234321234e-11, "1.234321e-11" },
1584 { 1.234321234321234e-10, "1.234321e-10" },
1585 { 1.234321234321234e-9, "1.234321e-09" },
1586 { 1.234321234321234e-8, "1.234321e-08" },
1587 { 1.234321234321234e-7, "1.234321e-07" },
1588 { 1.234321234321234e-6, "1.234321e-06" },
1589 { 1.234321234321234e-5, "1.234321e-05" },
1590 { 1.234321234321234e-4, "1.234321e-04" },
1591 { 1.234321234321234e-3, "1.234321e-03" },
1592 { 1.234321234321234e-2, "1.234321e-02" },
1593 { 1.234321234321234e-1, "1.234321e-01" },
1594 { 1.234321234321234, "1.234321e+00" },
1595 { 1.234321234321234e1, "1.234321e+01" },
1596 { 1.234321234321234e2, "1.234321e+02" },
1597 { 1.234321234321234e3, "1.234321e+03" },
1598 { 1.234321234321234e4, "1.234321e+04" },
1599 { 1.234321234321234e5, "1.234321e+05" },
1600 { 1.234321234321234e6, "1.234321e+06" },
1601 { 1.234321234321234e7, "1.234321e+07" },
1602 { 1.234321234321234e8, "1.234321e+08" },
1603 { 1.234321234321234e9, "1.234321e+09" },
1604 { 1.234321234321234e10, "1.234321e+10" },
1605 { 1.234321234321234e11, "1.234321e+11" },
1606 { 1.234321234321234e12, "1.234321e+12" },
1607 { 1.234321234321234e13, "1.234321e+13" },
1608 { 1.234321234321234e14, "1.234321e+14" },
1609 { 1.234321234321234e15, "1.234321e+15" },
1610 { 1.234321234321234e16, "1.234321e+16" },
1611 { 1.234321234321234e17, "1.234321e+17" },
1612 { 1.234321234321234e18, "1.234321e+18" },
1613 { 1.234321234321234e19, "1.234321e+19" },
1614 { 1.234321234321234e20, "1.234321e+20" },
1615 { 1.234321234321234e21, "1.234321e+21" },
1616 { 1.234321234321234e22, "1.234321e+22" },
1617 { 1.234321234321234e23, "1.234321e+23" },
1618 { 1.234321234321234e24, "1.234321e+24" },
1619 { 1.234321234321234e25, "1.234321e+25" },
1620 { 1.234321234321234e26, "1.234321e+26" },
1621 { 1.234321234321234e27, "1.234321e+27" },
1622 { 1.234321234321234e28, "1.234321e+28" },
1623 { 1.234321234321234e29, "1.234321e+29" },
1624 { 1.234321234321234e30, "1.234321e+30" },
1625 { 1.234321234321234e31, "1.234321e+31" },
1626 { 1.234321234321234e32, "1.234321e+32" },
1627 { 1.234321234321234e33, "1.234321e+33" },
1628 { 1.234321234321234e34, "1.234321e+34" },
1629 { 1.234321234321234e35, "1.234321e+35" },
1630 { 1.234321234321234e36, "1.234321e+36" }
1633 for (k = 0; k < SIZEOF (data); k++)
1637 my_snprintf (result, sizeof (result), "%e", data[k].value);
1638 const char *expected = data[k].string;
1639 ASSERT (result != NULL);
1640 ASSERT (strcmp (result, expected) == 0
1641 /* Some implementations produce exponents with 3 digits. */
1642 || (strlen (result) == strlen (expected) + 1
1643 && memcmp (result, expected, strlen (expected) - 2) == 0
1644 && result[strlen (expected) - 2] == '0'
1645 && strcmp (result + strlen (expected) - 1,
1646 expected + strlen (expected) - 2)
1648 ASSERT (retval == strlen (result));
1652 { /* A negative number. */
1655 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1656 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1657 || strcmp (result, "-3.125000e-002 33") == 0);
1658 ASSERT (retval == strlen (result));
1661 { /* Positive zero. */
1664 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1665 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1666 || strcmp (result, "0.000000e+000 33") == 0);
1667 ASSERT (retval == strlen (result));
1670 { /* Negative zero. */
1673 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1674 if (have_minus_zero ())
1675 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1676 || strcmp (result, "-0.000000e+000 33") == 0);
1677 ASSERT (retval == strlen (result));
1680 { /* Positive infinity. */
1683 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1684 ASSERT (strcmp (result, "inf 33") == 0
1685 || strcmp (result, "infinity 33") == 0);
1686 ASSERT (retval == strlen (result));
1689 { /* Negative infinity. */
1692 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1693 ASSERT (strcmp (result, "-inf 33") == 0
1694 || strcmp (result, "-infinity 33") == 0);
1695 ASSERT (retval == strlen (result));
1701 my_snprintf (result, sizeof (result), "%e %d", NAN, 33, 44, 55);
1702 ASSERT (strlen (result) >= 3 + 3
1703 && strisnan (result, 0, strlen (result) - 3, 0)
1704 && strcmp (result + strlen (result) - 3, " 33") == 0);
1705 ASSERT (retval == strlen (result));
1711 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1712 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1713 || strcmp (result, " 1.750000e+000 33") == 0);
1714 ASSERT (retval == strlen (result));
1720 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1721 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1722 || strcmp (result, "1.750000e+000 33") == 0);
1723 ASSERT (retval == strlen (result));
1726 { /* FLAG_SHOWSIGN. */
1729 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1730 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1731 || strcmp (result, "+1.750000e+000 33") == 0);
1732 ASSERT (retval == strlen (result));
1738 my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1739 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1740 || strcmp (result, " 1.750000e+000 33") == 0);
1741 ASSERT (retval == strlen (result));
1747 my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1748 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1749 || strcmp (result, "1.750000e+000 33") == 0);
1750 ASSERT (retval == strlen (result));
1756 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1757 ASSERT (strcmp (result, "2.e+00 33") == 0
1758 || strcmp (result, "2.e+000 33") == 0);
1759 ASSERT (retval == strlen (result));
1765 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1766 ASSERT (strcmp (result, "1.e+01 33") == 0
1767 || strcmp (result, "1.e+001 33") == 0);
1768 ASSERT (retval == strlen (result));
1771 { /* FLAG_ZERO with finite number. */
1774 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1775 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1776 || strcmp (result, "001.234000e+003 33") == 0);
1777 ASSERT (retval == strlen (result));
1780 { /* FLAG_ZERO with infinite number. */
1783 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1784 ASSERT (strcmp (result, " -inf 33") == 0
1785 || strcmp (result, " -infinity 33") == 0);
1786 ASSERT (retval == strlen (result));
1789 { /* FLAG_ZERO with NaN. */
1792 my_snprintf (result, sizeof (result), "%050e %d", NAN, 33, 44, 55);
1793 ASSERT (strlen (result) == 50 + 3
1794 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1795 && strcmp (result + strlen (result) - 3, " 33") == 0);
1796 ASSERT (retval == strlen (result));
1802 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1803 ASSERT (strcmp (result, "1e+03 33") == 0
1804 || strcmp (result, "1e+003 33") == 0);
1805 ASSERT (retval == strlen (result));
1808 { /* A positive number. */
1811 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1812 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1813 ASSERT (retval == strlen (result));
1816 { /* A larger positive number. */
1819 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1820 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1821 ASSERT (retval == strlen (result));
1824 { /* Small and large positive numbers. */
1825 static struct { long double value; const char *string; } data[] =
1827 { 1.234321234321234e-37L, "1.234321e-37" },
1828 { 1.234321234321234e-36L, "1.234321e-36" },
1829 { 1.234321234321234e-35L, "1.234321e-35" },
1830 { 1.234321234321234e-34L, "1.234321e-34" },
1831 { 1.234321234321234e-33L, "1.234321e-33" },
1832 { 1.234321234321234e-32L, "1.234321e-32" },
1833 { 1.234321234321234e-31L, "1.234321e-31" },
1834 { 1.234321234321234e-30L, "1.234321e-30" },
1835 { 1.234321234321234e-29L, "1.234321e-29" },
1836 { 1.234321234321234e-28L, "1.234321e-28" },
1837 { 1.234321234321234e-27L, "1.234321e-27" },
1838 { 1.234321234321234e-26L, "1.234321e-26" },
1839 { 1.234321234321234e-25L, "1.234321e-25" },
1840 { 1.234321234321234e-24L, "1.234321e-24" },
1841 { 1.234321234321234e-23L, "1.234321e-23" },
1842 { 1.234321234321234e-22L, "1.234321e-22" },
1843 { 1.234321234321234e-21L, "1.234321e-21" },
1844 { 1.234321234321234e-20L, "1.234321e-20" },
1845 { 1.234321234321234e-19L, "1.234321e-19" },
1846 { 1.234321234321234e-18L, "1.234321e-18" },
1847 { 1.234321234321234e-17L, "1.234321e-17" },
1848 { 1.234321234321234e-16L, "1.234321e-16" },
1849 { 1.234321234321234e-15L, "1.234321e-15" },
1850 { 1.234321234321234e-14L, "1.234321e-14" },
1851 { 1.234321234321234e-13L, "1.234321e-13" },
1852 { 1.234321234321234e-12L, "1.234321e-12" },
1853 { 1.234321234321234e-11L, "1.234321e-11" },
1854 { 1.234321234321234e-10L, "1.234321e-10" },
1855 { 1.234321234321234e-9L, "1.234321e-09" },
1856 { 1.234321234321234e-8L, "1.234321e-08" },
1857 { 1.234321234321234e-7L, "1.234321e-07" },
1858 { 1.234321234321234e-6L, "1.234321e-06" },
1859 { 1.234321234321234e-5L, "1.234321e-05" },
1860 { 1.234321234321234e-4L, "1.234321e-04" },
1861 { 1.234321234321234e-3L, "1.234321e-03" },
1862 { 1.234321234321234e-2L, "1.234321e-02" },
1863 { 1.234321234321234e-1L, "1.234321e-01" },
1864 { 1.234321234321234L, "1.234321e+00" },
1865 { 1.234321234321234e1L, "1.234321e+01" },
1866 { 1.234321234321234e2L, "1.234321e+02" },
1867 { 1.234321234321234e3L, "1.234321e+03" },
1868 { 1.234321234321234e4L, "1.234321e+04" },
1869 { 1.234321234321234e5L, "1.234321e+05" },
1870 { 1.234321234321234e6L, "1.234321e+06" },
1871 { 1.234321234321234e7L, "1.234321e+07" },
1872 { 1.234321234321234e8L, "1.234321e+08" },
1873 { 1.234321234321234e9L, "1.234321e+09" },
1874 { 1.234321234321234e10L, "1.234321e+10" },
1875 { 1.234321234321234e11L, "1.234321e+11" },
1876 { 1.234321234321234e12L, "1.234321e+12" },
1877 { 1.234321234321234e13L, "1.234321e+13" },
1878 { 1.234321234321234e14L, "1.234321e+14" },
1879 { 1.234321234321234e15L, "1.234321e+15" },
1880 { 1.234321234321234e16L, "1.234321e+16" },
1881 { 1.234321234321234e17L, "1.234321e+17" },
1882 { 1.234321234321234e18L, "1.234321e+18" },
1883 { 1.234321234321234e19L, "1.234321e+19" },
1884 { 1.234321234321234e20L, "1.234321e+20" },
1885 { 1.234321234321234e21L, "1.234321e+21" },
1886 { 1.234321234321234e22L, "1.234321e+22" },
1887 { 1.234321234321234e23L, "1.234321e+23" },
1888 { 1.234321234321234e24L, "1.234321e+24" },
1889 { 1.234321234321234e25L, "1.234321e+25" },
1890 { 1.234321234321234e26L, "1.234321e+26" },
1891 { 1.234321234321234e27L, "1.234321e+27" },
1892 { 1.234321234321234e28L, "1.234321e+28" },
1893 { 1.234321234321234e29L, "1.234321e+29" },
1894 { 1.234321234321234e30L, "1.234321e+30" },
1895 { 1.234321234321234e31L, "1.234321e+31" },
1896 { 1.234321234321234e32L, "1.234321e+32" },
1897 { 1.234321234321234e33L, "1.234321e+33" },
1898 { 1.234321234321234e34L, "1.234321e+34" },
1899 { 1.234321234321234e35L, "1.234321e+35" },
1900 { 1.234321234321234e36L, "1.234321e+36" }
1903 for (k = 0; k < SIZEOF (data); k++)
1907 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1908 ASSERT (strcmp (result, data[k].string) == 0);
1909 ASSERT (retval == strlen (result));
1913 { /* A negative number. */
1916 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1917 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1918 ASSERT (retval == strlen (result));
1921 { /* Positive zero. */
1924 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1925 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1926 ASSERT (retval == strlen (result));
1929 { /* Negative zero. */
1932 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1933 if (have_minus_zero ())
1934 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1935 ASSERT (retval == strlen (result));
1938 { /* Positive infinity. */
1941 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1942 ASSERT (strcmp (result, "inf 33") == 0
1943 || strcmp (result, "infinity 33") == 0);
1944 ASSERT (retval == strlen (result));
1947 { /* Negative infinity. */
1950 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1951 ASSERT (strcmp (result, "-inf 33") == 0
1952 || strcmp (result, "-infinity 33") == 0);
1953 ASSERT (retval == strlen (result));
1957 static long double zero = 0.0L;
1960 my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1961 ASSERT (strlen (result) >= 3 + 3
1962 && strisnan (result, 0, strlen (result) - 3, 0)
1963 && strcmp (result + strlen (result) - 3, " 33") == 0);
1964 ASSERT (retval == strlen (result));
1966 #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_))
1968 static union { unsigned int word[4]; long double value; } x =
1969 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1972 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1973 ASSERT (strlen (result) >= 3 + 3
1974 && strisnan (result, 0, strlen (result) - 3, 0)
1975 && strcmp (result + strlen (result) - 3, " 33") == 0);
1976 ASSERT (retval == strlen (result));
1979 /* Signalling NaN. */
1980 static union { unsigned int word[4]; long double value; } x =
1981 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1984 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1985 ASSERT (strlen (result) >= 3 + 3
1986 && strisnan (result, 0, strlen (result) - 3, 0)
1987 && strcmp (result + strlen (result) - 3, " 33") == 0);
1988 ASSERT (retval == strlen (result));
1990 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1991 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1992 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1993 Application Architecture.
1994 Table 5-2 "Floating-Point Register Encodings"
1995 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1998 static union { unsigned int word[4]; long double value; } x =
1999 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2002 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2003 ASSERT (strlen (result) >= 3 + 3
2004 && strisnan (result, 0, strlen (result) - 3, 0)
2005 && strcmp (result + strlen (result) - 3, " 33") == 0);
2006 ASSERT (retval == strlen (result));
2008 { /* Pseudo-Infinity. */
2009 static union { unsigned int word[4]; long double value; } x =
2010 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2013 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2014 ASSERT (strlen (result) >= 3 + 3
2015 && strisnan (result, 0, strlen (result) - 3, 0)
2016 && strcmp (result + strlen (result) - 3, " 33") == 0);
2017 ASSERT (retval == strlen (result));
2019 { /* Pseudo-Zero. */
2020 static union { unsigned int word[4]; long double value; } x =
2021 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2024 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2025 ASSERT (strlen (result) >= 3 + 3
2026 && strisnan (result, 0, strlen (result) - 3, 0)
2027 && strcmp (result + strlen (result) - 3, " 33") == 0);
2028 ASSERT (retval == strlen (result));
2030 { /* Unnormalized number. */
2031 static union { unsigned int word[4]; long double value; } x =
2032 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2035 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2036 ASSERT (strlen (result) >= 3 + 3
2037 && strisnan (result, 0, strlen (result) - 3, 0)
2038 && strcmp (result + strlen (result) - 3, " 33") == 0);
2039 ASSERT (retval == strlen (result));
2041 { /* Pseudo-Denormal. */
2042 static union { unsigned int word[4]; long double value; } x =
2043 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2046 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2047 ASSERT (strlen (result) >= 3 + 3
2048 && strisnan (result, 0, strlen (result) - 3, 0)
2049 && strcmp (result + strlen (result) - 3, " 33") == 0);
2050 ASSERT (retval == strlen (result));
2057 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
2058 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2059 ASSERT (retval == strlen (result));
2065 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
2066 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2067 ASSERT (retval == strlen (result));
2070 { /* FLAG_SHOWSIGN. */
2073 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
2074 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2075 ASSERT (retval == strlen (result));
2081 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
2082 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2083 ASSERT (retval == strlen (result));
2089 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
2090 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2091 ASSERT (retval == strlen (result));
2097 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
2098 ASSERT (strcmp (result, "2.e+00 33") == 0);
2099 ASSERT (retval == strlen (result));
2105 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
2106 ASSERT (strcmp (result, "1.e+01 33") == 0);
2107 ASSERT (retval == strlen (result));
2110 { /* FLAG_ZERO with finite number. */
2113 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
2114 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2115 ASSERT (retval == strlen (result));
2118 { /* FLAG_ZERO with infinite number. */
2121 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2122 ASSERT (strcmp (result, " -inf 33") == 0
2123 || strcmp (result, " -infinity 33") == 0);
2124 ASSERT (retval == strlen (result));
2127 { /* FLAG_ZERO with NaN. */
2128 static long double zero = 0.0L;
2131 my_snprintf (result, sizeof (result), "%050Le %d", zero / zero, 33, 44, 55);
2132 ASSERT (strlen (result) == 50 + 3
2133 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2134 && strcmp (result + strlen (result) - 3, " 33") == 0);
2135 ASSERT (retval == strlen (result));
2141 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
2142 ASSERT (strcmp (result, "1e+03 33") == 0);
2143 ASSERT (retval == strlen (result));
2146 /* Test the support of the %g format directive. */
2148 { /* A positive number. */
2151 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
2152 ASSERT (strcmp (result, "12.75 33") == 0);
2153 ASSERT (retval == strlen (result));
2156 { /* A larger positive number. */
2159 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
2160 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2161 || strcmp (result, "1.23457e+006 33") == 0);
2162 ASSERT (retval == strlen (result));
2165 { /* Small and large positive numbers. */
2166 static struct { double value; const char *string; } data[] =
2168 { 1.234321234321234e-37, "1.23432e-37" },
2169 { 1.234321234321234e-36, "1.23432e-36" },
2170 { 1.234321234321234e-35, "1.23432e-35" },
2171 { 1.234321234321234e-34, "1.23432e-34" },
2172 { 1.234321234321234e-33, "1.23432e-33" },
2173 { 1.234321234321234e-32, "1.23432e-32" },
2174 { 1.234321234321234e-31, "1.23432e-31" },
2175 { 1.234321234321234e-30, "1.23432e-30" },
2176 { 1.234321234321234e-29, "1.23432e-29" },
2177 { 1.234321234321234e-28, "1.23432e-28" },
2178 { 1.234321234321234e-27, "1.23432e-27" },
2179 { 1.234321234321234e-26, "1.23432e-26" },
2180 { 1.234321234321234e-25, "1.23432e-25" },
2181 { 1.234321234321234e-24, "1.23432e-24" },
2182 { 1.234321234321234e-23, "1.23432e-23" },
2183 { 1.234321234321234e-22, "1.23432e-22" },
2184 { 1.234321234321234e-21, "1.23432e-21" },
2185 { 1.234321234321234e-20, "1.23432e-20" },
2186 { 1.234321234321234e-19, "1.23432e-19" },
2187 { 1.234321234321234e-18, "1.23432e-18" },
2188 { 1.234321234321234e-17, "1.23432e-17" },
2189 { 1.234321234321234e-16, "1.23432e-16" },
2190 { 1.234321234321234e-15, "1.23432e-15" },
2191 { 1.234321234321234e-14, "1.23432e-14" },
2192 { 1.234321234321234e-13, "1.23432e-13" },
2193 { 1.234321234321234e-12, "1.23432e-12" },
2194 { 1.234321234321234e-11, "1.23432e-11" },
2195 { 1.234321234321234e-10, "1.23432e-10" },
2196 { 1.234321234321234e-9, "1.23432e-09" },
2197 { 1.234321234321234e-8, "1.23432e-08" },
2198 { 1.234321234321234e-7, "1.23432e-07" },
2199 { 1.234321234321234e-6, "1.23432e-06" },
2200 { 1.234321234321234e-5, "1.23432e-05" },
2201 { 1.234321234321234e-4, "0.000123432" },
2202 { 1.234321234321234e-3, "0.00123432" },
2203 { 1.234321234321234e-2, "0.0123432" },
2204 { 1.234321234321234e-1, "0.123432" },
2205 { 1.234321234321234, "1.23432" },
2206 { 1.234321234321234e1, "12.3432" },
2207 { 1.234321234321234e2, "123.432" },
2208 { 1.234321234321234e3, "1234.32" },
2209 { 1.234321234321234e4, "12343.2" },
2210 { 1.234321234321234e5, "123432" },
2211 { 1.234321234321234e6, "1.23432e+06" },
2212 { 1.234321234321234e7, "1.23432e+07" },
2213 { 1.234321234321234e8, "1.23432e+08" },
2214 { 1.234321234321234e9, "1.23432e+09" },
2215 { 1.234321234321234e10, "1.23432e+10" },
2216 { 1.234321234321234e11, "1.23432e+11" },
2217 { 1.234321234321234e12, "1.23432e+12" },
2218 { 1.234321234321234e13, "1.23432e+13" },
2219 { 1.234321234321234e14, "1.23432e+14" },
2220 { 1.234321234321234e15, "1.23432e+15" },
2221 { 1.234321234321234e16, "1.23432e+16" },
2222 { 1.234321234321234e17, "1.23432e+17" },
2223 { 1.234321234321234e18, "1.23432e+18" },
2224 { 1.234321234321234e19, "1.23432e+19" },
2225 { 1.234321234321234e20, "1.23432e+20" },
2226 { 1.234321234321234e21, "1.23432e+21" },
2227 { 1.234321234321234e22, "1.23432e+22" },
2228 { 1.234321234321234e23, "1.23432e+23" },
2229 { 1.234321234321234e24, "1.23432e+24" },
2230 { 1.234321234321234e25, "1.23432e+25" },
2231 { 1.234321234321234e26, "1.23432e+26" },
2232 { 1.234321234321234e27, "1.23432e+27" },
2233 { 1.234321234321234e28, "1.23432e+28" },
2234 { 1.234321234321234e29, "1.23432e+29" },
2235 { 1.234321234321234e30, "1.23432e+30" },
2236 { 1.234321234321234e31, "1.23432e+31" },
2237 { 1.234321234321234e32, "1.23432e+32" },
2238 { 1.234321234321234e33, "1.23432e+33" },
2239 { 1.234321234321234e34, "1.23432e+34" },
2240 { 1.234321234321234e35, "1.23432e+35" },
2241 { 1.234321234321234e36, "1.23432e+36" }
2244 for (k = 0; k < SIZEOF (data); k++)
2248 my_snprintf (result, sizeof (result), "%g", data[k].value);
2249 const char *expected = data[k].string;
2250 ASSERT (strcmp (result, expected) == 0
2251 /* Some implementations produce exponents with 3 digits. */
2252 || (expected[strlen (expected) - 4] == 'e'
2253 && strlen (result) == strlen (expected) + 1
2254 && memcmp (result, expected, strlen (expected) - 2) == 0
2255 && result[strlen (expected) - 2] == '0'
2256 && strcmp (result + strlen (expected) - 1,
2257 expected + strlen (expected) - 2)
2259 ASSERT (retval == strlen (result));
2263 { /* A negative number. */
2266 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
2267 ASSERT (strcmp (result, "-0.03125 33") == 0);
2268 ASSERT (retval == strlen (result));
2271 { /* Positive zero. */
2274 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
2275 ASSERT (strcmp (result, "0 33") == 0);
2276 ASSERT (retval == strlen (result));
2279 { /* Negative zero. */
2282 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
2283 if (have_minus_zero ())
2284 ASSERT (strcmp (result, "-0 33") == 0);
2285 ASSERT (retval == strlen (result));
2288 { /* Positive infinity. */
2291 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2292 ASSERT (strcmp (result, "inf 33") == 0
2293 || strcmp (result, "infinity 33") == 0);
2294 ASSERT (retval == strlen (result));
2297 { /* Negative infinity. */
2300 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2301 ASSERT (strcmp (result, "-inf 33") == 0
2302 || strcmp (result, "-infinity 33") == 0);
2303 ASSERT (retval == strlen (result));
2309 my_snprintf (result, sizeof (result), "%g %d", NAN, 33, 44, 55);
2310 ASSERT (strlen (result) >= 3 + 3
2311 && strisnan (result, 0, strlen (result) - 3, 0)
2312 && strcmp (result + strlen (result) - 3, " 33") == 0);
2313 ASSERT (retval == strlen (result));
2319 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2320 ASSERT (strcmp (result, " 1.75 33") == 0);
2321 ASSERT (retval == strlen (result));
2327 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2328 ASSERT (strcmp (result, "1.75 33") == 0);
2329 ASSERT (retval == strlen (result));
2332 { /* FLAG_SHOWSIGN. */
2335 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2336 ASSERT (strcmp (result, "+1.75 33") == 0);
2337 ASSERT (retval == strlen (result));
2343 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2344 ASSERT (strcmp (result, " 1.75 33") == 0);
2345 ASSERT (retval == strlen (result));
2351 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2352 ASSERT (strcmp (result, "1.75000 33") == 0);
2353 ASSERT (retval == strlen (result));
2359 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2360 ASSERT (strcmp (result, "2. 33") == 0);
2361 ASSERT (retval == strlen (result));
2367 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2368 ASSERT (strcmp (result, "1.e+01 33") == 0
2369 || strcmp (result, "1.e+001 33") == 0);
2370 ASSERT (retval == strlen (result));
2373 { /* FLAG_ZERO with finite number. */
2376 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2377 ASSERT (strcmp (result, "0000001234 33") == 0);
2378 ASSERT (retval == strlen (result));
2381 { /* FLAG_ZERO with infinite number. */
2384 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2385 ASSERT (strcmp (result, " -inf 33") == 0
2386 || strcmp (result, " -infinity 33") == 0);
2387 ASSERT (retval == strlen (result));
2390 { /* FLAG_ZERO with NaN. */
2393 my_snprintf (result, sizeof (result), "%050g %d", NAN, 33, 44, 55);
2394 ASSERT (strlen (result) == 50 + 3
2395 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2396 && strcmp (result + strlen (result) - 3, " 33") == 0);
2397 ASSERT (retval == strlen (result));
2403 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2404 ASSERT (strcmp (result, "1e+03 33") == 0
2405 || strcmp (result, "1e+003 33") == 0);
2406 ASSERT (retval == strlen (result));
2409 { /* A positive number. */
2412 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2413 ASSERT (strcmp (result, "12.75 33") == 0);
2414 ASSERT (retval == strlen (result));
2417 { /* A larger positive number. */
2420 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2421 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2422 ASSERT (retval == strlen (result));
2425 { /* Small and large positive numbers. */
2426 static struct { long double value; const char *string; } data[] =
2428 { 1.234321234321234e-37L, "1.23432e-37" },
2429 { 1.234321234321234e-36L, "1.23432e-36" },
2430 { 1.234321234321234e-35L, "1.23432e-35" },
2431 { 1.234321234321234e-34L, "1.23432e-34" },
2432 { 1.234321234321234e-33L, "1.23432e-33" },
2433 { 1.234321234321234e-32L, "1.23432e-32" },
2434 { 1.234321234321234e-31L, "1.23432e-31" },
2435 { 1.234321234321234e-30L, "1.23432e-30" },
2436 { 1.234321234321234e-29L, "1.23432e-29" },
2437 { 1.234321234321234e-28L, "1.23432e-28" },
2438 { 1.234321234321234e-27L, "1.23432e-27" },
2439 { 1.234321234321234e-26L, "1.23432e-26" },
2440 { 1.234321234321234e-25L, "1.23432e-25" },
2441 { 1.234321234321234e-24L, "1.23432e-24" },
2442 { 1.234321234321234e-23L, "1.23432e-23" },
2443 { 1.234321234321234e-22L, "1.23432e-22" },
2444 { 1.234321234321234e-21L, "1.23432e-21" },
2445 { 1.234321234321234e-20L, "1.23432e-20" },
2446 { 1.234321234321234e-19L, "1.23432e-19" },
2447 { 1.234321234321234e-18L, "1.23432e-18" },
2448 { 1.234321234321234e-17L, "1.23432e-17" },
2449 { 1.234321234321234e-16L, "1.23432e-16" },
2450 { 1.234321234321234e-15L, "1.23432e-15" },
2451 { 1.234321234321234e-14L, "1.23432e-14" },
2452 { 1.234321234321234e-13L, "1.23432e-13" },
2453 { 1.234321234321234e-12L, "1.23432e-12" },
2454 { 1.234321234321234e-11L, "1.23432e-11" },
2455 { 1.234321234321234e-10L, "1.23432e-10" },
2456 { 1.234321234321234e-9L, "1.23432e-09" },
2457 { 1.234321234321234e-8L, "1.23432e-08" },
2458 { 1.234321234321234e-7L, "1.23432e-07" },
2459 { 1.234321234321234e-6L, "1.23432e-06" },
2460 { 1.234321234321234e-5L, "1.23432e-05" },
2461 { 1.234321234321234e-4L, "0.000123432" },
2462 { 1.234321234321234e-3L, "0.00123432" },
2463 { 1.234321234321234e-2L, "0.0123432" },
2464 { 1.234321234321234e-1L, "0.123432" },
2465 { 1.234321234321234L, "1.23432" },
2466 { 1.234321234321234e1L, "12.3432" },
2467 { 1.234321234321234e2L, "123.432" },
2468 { 1.234321234321234e3L, "1234.32" },
2469 { 1.234321234321234e4L, "12343.2" },
2470 { 1.234321234321234e5L, "123432" },
2471 { 1.234321234321234e6L, "1.23432e+06" },
2472 { 1.234321234321234e7L, "1.23432e+07" },
2473 { 1.234321234321234e8L, "1.23432e+08" },
2474 { 1.234321234321234e9L, "1.23432e+09" },
2475 { 1.234321234321234e10L, "1.23432e+10" },
2476 { 1.234321234321234e11L, "1.23432e+11" },
2477 { 1.234321234321234e12L, "1.23432e+12" },
2478 { 1.234321234321234e13L, "1.23432e+13" },
2479 { 1.234321234321234e14L, "1.23432e+14" },
2480 { 1.234321234321234e15L, "1.23432e+15" },
2481 { 1.234321234321234e16L, "1.23432e+16" },
2482 { 1.234321234321234e17L, "1.23432e+17" },
2483 { 1.234321234321234e18L, "1.23432e+18" },
2484 { 1.234321234321234e19L, "1.23432e+19" },
2485 { 1.234321234321234e20L, "1.23432e+20" },
2486 { 1.234321234321234e21L, "1.23432e+21" },
2487 { 1.234321234321234e22L, "1.23432e+22" },
2488 { 1.234321234321234e23L, "1.23432e+23" },
2489 { 1.234321234321234e24L, "1.23432e+24" },
2490 { 1.234321234321234e25L, "1.23432e+25" },
2491 { 1.234321234321234e26L, "1.23432e+26" },
2492 { 1.234321234321234e27L, "1.23432e+27" },
2493 { 1.234321234321234e28L, "1.23432e+28" },
2494 { 1.234321234321234e29L, "1.23432e+29" },
2495 { 1.234321234321234e30L, "1.23432e+30" },
2496 { 1.234321234321234e31L, "1.23432e+31" },
2497 { 1.234321234321234e32L, "1.23432e+32" },
2498 { 1.234321234321234e33L, "1.23432e+33" },
2499 { 1.234321234321234e34L, "1.23432e+34" },
2500 { 1.234321234321234e35L, "1.23432e+35" },
2501 { 1.234321234321234e36L, "1.23432e+36" }
2504 for (k = 0; k < SIZEOF (data); k++)
2508 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2509 ASSERT (strcmp (result, data[k].string) == 0);
2510 ASSERT (retval == strlen (result));
2514 { /* A negative number. */
2517 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2518 ASSERT (strcmp (result, "-0.03125 33") == 0);
2519 ASSERT (retval == strlen (result));
2522 { /* Positive zero. */
2525 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2526 ASSERT (strcmp (result, "0 33") == 0);
2527 ASSERT (retval == strlen (result));
2530 { /* Negative zero. */
2533 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2534 if (have_minus_zero ())
2535 ASSERT (strcmp (result, "-0 33") == 0);
2536 ASSERT (retval == strlen (result));
2539 { /* Positive infinity. */
2542 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2543 ASSERT (strcmp (result, "inf 33") == 0
2544 || strcmp (result, "infinity 33") == 0);
2545 ASSERT (retval == strlen (result));
2548 { /* Negative infinity. */
2551 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2552 ASSERT (strcmp (result, "-inf 33") == 0
2553 || strcmp (result, "-infinity 33") == 0);
2554 ASSERT (retval == strlen (result));
2558 static long double zero = 0.0L;
2561 my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2562 ASSERT (strlen (result) >= 3 + 3
2563 && strisnan (result, 0, strlen (result) - 3, 0)
2564 && strcmp (result + strlen (result) - 3, " 33") == 0);
2565 ASSERT (retval == strlen (result));
2567 #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_))
2569 static union { unsigned int word[4]; long double value; } x =
2570 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2573 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2574 ASSERT (strlen (result) >= 3 + 3
2575 && strisnan (result, 0, strlen (result) - 3, 0)
2576 && strcmp (result + strlen (result) - 3, " 33") == 0);
2577 ASSERT (retval == strlen (result));
2580 /* Signalling NaN. */
2581 static union { unsigned int word[4]; long double value; } x =
2582 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2585 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2586 ASSERT (strlen (result) >= 3 + 3
2587 && strisnan (result, 0, strlen (result) - 3, 0)
2588 && strcmp (result + strlen (result) - 3, " 33") == 0);
2589 ASSERT (retval == strlen (result));
2591 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2592 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2593 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2594 Application Architecture.
2595 Table 5-2 "Floating-Point Register Encodings"
2596 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2599 static union { unsigned int word[4]; long double value; } x =
2600 { LDBL80_WORDS (0xFFFF, 0x40000001, 0x00000000) };
2603 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2604 ASSERT (strlen (result) >= 3 + 3
2605 && strisnan (result, 0, strlen (result) - 3, 0)
2606 && strcmp (result + strlen (result) - 3, " 33") == 0);
2607 ASSERT (retval == strlen (result));
2609 { /* Pseudo-Infinity. */
2610 static union { unsigned int word[4]; long double value; } x =
2611 { LDBL80_WORDS (0xFFFF, 0x00000000, 0x00000000) };
2614 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2615 ASSERT (strlen (result) >= 3 + 3
2616 && strisnan (result, 0, strlen (result) - 3, 0)
2617 && strcmp (result + strlen (result) - 3, " 33") == 0);
2618 ASSERT (retval == strlen (result));
2620 { /* Pseudo-Zero. */
2621 static union { unsigned int word[4]; long double value; } x =
2622 { LDBL80_WORDS (0x4004, 0x00000000, 0x00000000) };
2625 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2626 ASSERT (strlen (result) >= 3 + 3
2627 && strisnan (result, 0, strlen (result) - 3, 0)
2628 && strcmp (result + strlen (result) - 3, " 33") == 0);
2629 ASSERT (retval == strlen (result));
2631 { /* Unnormalized number. */
2632 static union { unsigned int word[4]; long double value; } x =
2633 { LDBL80_WORDS (0x4000, 0x63333333, 0x00000000) };
2636 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2637 ASSERT (strlen (result) >= 3 + 3
2638 && strisnan (result, 0, strlen (result) - 3, 0)
2639 && strcmp (result + strlen (result) - 3, " 33") == 0);
2640 ASSERT (retval == strlen (result));
2642 { /* Pseudo-Denormal. */
2643 static union { unsigned int word[4]; long double value; } x =
2644 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2647 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2648 ASSERT (strlen (result) >= 3 + 3
2649 && strisnan (result, 0, strlen (result) - 3, 0)
2650 && strcmp (result + strlen (result) - 3, " 33") == 0);
2651 ASSERT (retval == strlen (result));
2658 my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2659 ASSERT (strcmp (result, " 1.75 33") == 0);
2660 ASSERT (retval == strlen (result));
2666 my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2667 ASSERT (strcmp (result, "1.75 33") == 0);
2668 ASSERT (retval == strlen (result));
2671 { /* FLAG_SHOWSIGN. */
2674 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2675 ASSERT (strcmp (result, "+1.75 33") == 0);
2676 ASSERT (retval == strlen (result));
2682 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2683 ASSERT (strcmp (result, " 1.75 33") == 0);
2684 ASSERT (retval == strlen (result));
2690 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2691 ASSERT (strcmp (result, "1.75000 33") == 0);
2692 ASSERT (retval == strlen (result));
2698 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2699 ASSERT (strcmp (result, "2. 33") == 0);
2700 ASSERT (retval == strlen (result));
2706 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2707 ASSERT (strcmp (result, "1.e+01 33") == 0);
2708 ASSERT (retval == strlen (result));
2711 { /* FLAG_ZERO with finite number. */
2714 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2715 ASSERT (strcmp (result, "0000001234 33") == 0);
2716 ASSERT (retval == strlen (result));
2719 { /* FLAG_ZERO with infinite number. */
2722 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2723 ASSERT (strcmp (result, " -inf 33") == 0
2724 || strcmp (result, " -infinity 33") == 0);
2725 ASSERT (retval == strlen (result));
2728 { /* FLAG_ZERO with NaN. */
2729 static long double zero = 0.0L;
2732 my_snprintf (result, sizeof (result), "%050Lg %d", zero / zero, 33, 44, 55);
2733 ASSERT (strlen (result) == 50 + 3
2734 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2735 && strcmp (result + strlen (result) - 3, " 33") == 0);
2736 ASSERT (retval == strlen (result));
2742 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2743 ASSERT (strcmp (result, "1e+03 33") == 0);
2744 ASSERT (retval == strlen (result));
2747 /* Test the support of the %n format directive. */
2753 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2754 ASSERT (strcmp (result, "123 ") == 0);
2755 ASSERT (retval == strlen (result));
2756 ASSERT (count == 4);
2759 /* Test the support of the POSIX/XSI format strings with positions. */
2764 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2765 ASSERT (strcmp (result, "55 33") == 0);
2766 ASSERT (retval == strlen (result));
2769 /* Test the support of the grouping flag. */
2774 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2775 ASSERT (result[strlen (result) - 1] == '9');
2776 ASSERT (retval == strlen (result));
2779 /* Test the support of the left-adjust flag. */
2784 my_snprintf (result, sizeof (result), "a%*sc", -3, "b");
2785 ASSERT (strcmp (result, "ab c") == 0);
2786 ASSERT (retval == strlen (result));
2792 my_snprintf (result, sizeof (result), "a%-*sc", 3, "b");
2793 ASSERT (strcmp (result, "ab c") == 0);
2794 ASSERT (retval == strlen (result));
2800 my_snprintf (result, sizeof (result), "a%-*sc", -3, "b");
2801 ASSERT (strcmp (result, "ab c") == 0);
2802 ASSERT (retval == strlen (result));
2805 /* Test the support of large precision. */
2810 my_snprintf (result, sizeof (result), "%.4000d %d", 1234567, 99);
2812 ASSERT (result != NULL);
2813 for (i = 0; i < 4000 - 7; i++)
2814 ASSERT (result[i] == '0');
2815 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2816 ASSERT (retval == strlen (result));
2822 my_snprintf (result, sizeof (result), "%.4000d %d", -1234567, 99);
2824 ASSERT (result != NULL);
2825 ASSERT (result[0] == '-');
2826 for (i = 0; i < 4000 - 7; i++)
2827 ASSERT (result[1 + i] == '0');
2828 ASSERT (strcmp (result + 1 + 4000 - 7, "1234567 99") == 0);
2829 ASSERT (retval == strlen (result));
2835 my_snprintf (result, sizeof (result), "%.4000u %d", 1234567, 99);
2837 ASSERT (result != NULL);
2838 for (i = 0; i < 4000 - 7; i++)
2839 ASSERT (result[i] == '0');
2840 ASSERT (strcmp (result + 4000 - 7, "1234567 99") == 0);
2841 ASSERT (retval == strlen (result));
2847 my_snprintf (result, sizeof (result), "%.4000o %d", 1234567, 99);
2849 ASSERT (result != NULL);
2850 for (i = 0; i < 4000 - 7; i++)
2851 ASSERT (result[i] == '0');
2852 ASSERT (strcmp (result + 4000 - 7, "4553207 99") == 0);
2853 ASSERT (retval == strlen (result));
2859 my_snprintf (result, sizeof (result), "%.4000x %d", 1234567, 99);
2861 ASSERT (result != NULL);
2862 for (i = 0; i < 4000 - 6; i++)
2863 ASSERT (result[i] == '0');
2864 ASSERT (strcmp (result + 4000 - 6, "12d687 99") == 0);
2865 ASSERT (retval == strlen (result));
2871 my_snprintf (result, sizeof (result), "%#.4000x %d", 1234567, 99);
2873 ASSERT (result != NULL);
2874 ASSERT (result[0] == '0');
2875 ASSERT (result[1] == 'x');
2876 for (i = 0; i < 4000 - 6; i++)
2877 ASSERT (result[2 + i] == '0');
2878 ASSERT (strcmp (result + 2 + 4000 - 6, "12d687 99") == 0);
2879 ASSERT (retval == strlen (result));
2888 for (i = 0; i < sizeof (input) - 1; i++)
2889 input[i] = 'a' + ((1000000 / (i + 1)) % 26);
2891 retval = my_snprintf (result, sizeof (result), "%.4000s %d", input, 99);
2892 ASSERT (result != NULL);
2893 ASSERT (memcmp (result, input, 4000) == 0);
2894 ASSERT (strcmp (result + 4000, " 99") == 0);
2895 ASSERT (retval == strlen (result));