1 /* Test of POSIX compatible vsnprintf() and snprintf() functions.
2 Copyright (C) 2007 Free Software Foundation, Inc.
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2, or (at your option)
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software Foundation,
16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18 /* Written by Bruno Haible <bruno@clisp.org>, 2007. */
20 /* The Compaq (ex-DEC) C 6.4 compiler chokes on the expression 0.0 / 0.0. */
25 static double zero = 0.0;
29 # define NaN() (0.0 / 0.0)
32 /* The SGI MIPS floating-point format does not distinguish 0.0 and -0.0. */
36 static double plus_zero = 0.0;
37 static double minus_zero = -0.0;
38 return memcmp (&plus_zero, &minus_zero, sizeof (double)) != 0;
41 /* Representation of an 80-bit 'long double' as an initializer for a sequence
42 of 'unsigned int' words. */
43 #ifdef WORDS_BIGENDIAN
44 # define LDBL80_WORDS(exponent,manthi,mantlo) \
45 { ((unsigned int) (exponent) << 16) | ((unsigned int) (manthi) >> 16), \
46 ((unsigned int) (manthi) << 16) | (unsigned int) (mantlo) >> 16), \
47 (unsigned int) (mantlo) << 16 \
50 # define LDBL80_WORDS(exponent,manthi,mantlo) \
51 { mantlo, manthi, exponent }
55 strmatch (const char *pattern, const char *string)
57 if (strlen (pattern) != strlen (string))
59 for (; *pattern != '\0'; pattern++, string++)
60 if (*pattern != '*' && *string != *pattern)
65 /* Test whether string[start_index..end_index-1] is a valid textual
66 representation of NaN. */
68 strisnan (const char *string, size_t start_index, size_t end_index, int uppercase)
70 if (start_index < end_index)
72 if (string[start_index] == '-')
74 if (start_index + 3 <= end_index
75 && memcmp (string + start_index, uppercase ? "NAN" : "nan", 3) == 0)
78 if (start_index == end_index
79 || (string[start_index] == '(' && string[end_index - 1] == ')'))
87 test_function (int (*my_snprintf) (char *, size_t, const char *, ...))
92 /* Test return value convention. */
94 for (size = 0; size <= 8; size++)
98 memcpy (buf, "DEADBEEF", 8);
99 retval = my_snprintf (buf, size, "%d", 12345);
100 ASSERT (retval == 5);
105 ASSERT (memcmp (buf, "12345", size - 1) == 0);
106 ASSERT (buf[size - 1] == '\0');
108 ASSERT (memcmp (buf + size, "DEADBEEF" + size, 8 - size) == 0);
112 ASSERT (memcmp (buf, "12345\0EF", 8) == 0);
116 /* Test support of size specifiers as in C99. */
121 my_snprintf (result, sizeof (result), "%ju %d", (uintmax_t) 12345671, 33, 44, 55);
122 ASSERT (strcmp (result, "12345671 33") == 0);
123 ASSERT (retval == strlen (result));
129 my_snprintf (result, sizeof (result), "%zu %d", (size_t) 12345672, 33, 44, 55);
130 ASSERT (strcmp (result, "12345672 33") == 0);
131 ASSERT (retval == strlen (result));
137 my_snprintf (result, sizeof (result), "%tu %d", (ptrdiff_t) 12345673, 33, 44, 55);
138 ASSERT (strcmp (result, "12345673 33") == 0);
139 ASSERT (retval == strlen (result));
145 my_snprintf (result, sizeof (result), "%Lg %d", (long double) 1.5, 33, 44, 55);
146 ASSERT (strcmp (result, "1.5 33") == 0);
147 ASSERT (retval == strlen (result));
150 /* Test the support of the 'a' and 'A' conversion specifier for hexadecimal
151 output of floating-point numbers. */
153 { /* A positive 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 { /* A negative number. */
167 my_snprintf (result, sizeof (result), "%A %d", -3.1416015625, 33, 44, 55);
168 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
169 || strcmp (result, "-0X3.244P+0 33") == 0
170 || strcmp (result, "-0X6.488P-1 33") == 0
171 || strcmp (result, "-0XC.91P-2 33") == 0);
172 ASSERT (retval == strlen (result));
175 { /* Positive zero. */
178 my_snprintf (result, sizeof (result), "%a %d", 0.0, 33, 44, 55);
179 ASSERT (strcmp (result, "0x0p+0 33") == 0);
180 ASSERT (retval == strlen (result));
183 { /* Negative zero. */
186 my_snprintf (result, sizeof (result), "%a %d", -0.0, 33, 44, 55);
187 if (have_minus_zero ())
188 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
189 ASSERT (retval == strlen (result));
192 { /* Positive infinity. */
195 my_snprintf (result, sizeof (result), "%a %d", 1.0 / 0.0, 33, 44, 55);
196 ASSERT (strcmp (result, "inf 33") == 0);
197 ASSERT (retval == strlen (result));
200 { /* Negative infinity. */
203 my_snprintf (result, sizeof (result), "%a %d", -1.0 / 0.0, 33, 44, 55);
204 ASSERT (strcmp (result, "-inf 33") == 0);
205 ASSERT (retval == strlen (result));
211 my_snprintf (result, sizeof (result), "%a %d", NaN (), 33, 44, 55);
212 ASSERT (strlen (result) >= 3 + 3
213 && strisnan (result, 0, strlen (result) - 3, 0)
214 && strcmp (result + strlen (result) - 3, " 33") == 0);
215 ASSERT (retval == strlen (result));
218 { /* Rounding near the decimal point. */
221 my_snprintf (result, sizeof (result), "%.0a %d", 1.5, 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 0. */
232 my_snprintf (result, sizeof (result), "%.0a %d", 1.51, 33, 44, 55);
233 ASSERT (strcmp (result, "0x2p+0 33") == 0
234 || strcmp (result, "0x3p-1 33") == 0
235 || strcmp (result, "0x6p-2 33") == 0
236 || strcmp (result, "0xcp-3 33") == 0);
237 ASSERT (retval == strlen (result));
240 { /* Rounding with precision 1. */
243 my_snprintf (result, sizeof (result), "%.1a %d", 1.51, 33, 44, 55);
244 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
245 || strcmp (result, "0x3.0p-1 33") == 0
246 || strcmp (result, "0x6.1p-2 33") == 0
247 || strcmp (result, "0xc.1p-3 33") == 0);
248 ASSERT (retval == strlen (result));
251 { /* Rounding with precision 2. */
254 my_snprintf (result, sizeof (result), "%.2a %d", 1.51, 33, 44, 55);
255 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
256 || strcmp (result, "0x3.05p-1 33") == 0
257 || strcmp (result, "0x6.0ap-2 33") == 0
258 || strcmp (result, "0xc.14p-3 33") == 0);
259 ASSERT (retval == strlen (result));
262 { /* Rounding with precision 3. */
265 my_snprintf (result, sizeof (result), "%.3a %d", 1.51, 33, 44, 55);
266 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
267 || strcmp (result, "0x3.052p-1 33") == 0
268 || strcmp (result, "0x6.0a4p-2 33") == 0
269 || strcmp (result, "0xc.148p-3 33") == 0);
270 ASSERT (retval == strlen (result));
273 { /* Rounding can turn a ...FFF into a ...000. */
276 my_snprintf (result, sizeof (result), "%.3a %d", 1.49999, 33, 44, 55);
277 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
278 || strcmp (result, "0x3.000p-1 33") == 0
279 || strcmp (result, "0x6.000p-2 33") == 0
280 || strcmp (result, "0xc.000p-3 33") == 0);
281 ASSERT (retval == strlen (result));
284 { /* Rounding can turn a ...FFF into a ...000.
285 This shows a MacOS X 10.3.9 (Darwin 7.9) bug. */
288 my_snprintf (result, sizeof (result), "%.1a %d", 1.999, 33, 44, 55);
289 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
290 || strcmp (result, "0x2.0p+0 33") == 0
291 || strcmp (result, "0x4.0p-1 33") == 0
292 || strcmp (result, "0x8.0p-2 33") == 0);
293 ASSERT (retval == strlen (result));
299 my_snprintf (result, sizeof (result), "%10a %d", 1.75, 33, 44, 55);
300 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
301 || strcmp (result, " 0x3.8p-1 33") == 0
302 || strcmp (result, " 0x7p-2 33") == 0
303 || strcmp (result, " 0xep-3 33") == 0);
304 ASSERT (retval == strlen (result));
307 { /* Small precision. */
310 my_snprintf (result, sizeof (result), "%.10a %d", 1.75, 33, 44, 55);
311 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
312 || strcmp (result, "0x3.8000000000p-1 33") == 0
313 || strcmp (result, "0x7.0000000000p-2 33") == 0
314 || strcmp (result, "0xe.0000000000p-3 33") == 0);
315 ASSERT (retval == strlen (result));
318 { /* Large precision. */
321 my_snprintf (result, sizeof (result), "%.50a %d", 1.75, 33, 44, 55);
322 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
323 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
324 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
325 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
326 ASSERT (retval == strlen (result));
332 my_snprintf (result, sizeof (result), "%-10a %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));
340 { /* FLAG_SHOWSIGN. */
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, " 0x7p-2 33") == 0
358 || strcmp (result, " 0xep-3 33") == 0);
359 ASSERT (retval == strlen (result));
365 my_snprintf (result, sizeof (result), "%#a %d", 1.75, 33, 44, 55);
366 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
367 || strcmp (result, "0x3.8p-1 33") == 0
368 || strcmp (result, "0x7.p-2 33") == 0
369 || strcmp (result, "0xe.p-3 33") == 0);
370 ASSERT (retval == strlen (result));
376 my_snprintf (result, sizeof (result), "%#a %d", 1.0, 33, 44, 55);
377 ASSERT (strcmp (result, "0x1.p+0 33") == 0
378 || strcmp (result, "0x2.p-1 33") == 0
379 || strcmp (result, "0x4.p-2 33") == 0
380 || strcmp (result, "0x8.p-3 33") == 0);
381 ASSERT (retval == strlen (result));
384 { /* FLAG_ZERO with finite number. */
387 my_snprintf (result, sizeof (result), "%010a %d", 1.75, 33, 44, 55);
388 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
389 || strcmp (result, "0x003.8p-1 33") == 0
390 || strcmp (result, "0x00007p-2 33") == 0
391 || strcmp (result, "0x0000ep-3 33") == 0);
392 ASSERT (retval == strlen (result));
395 { /* FLAG_ZERO with infinite number. */
398 my_snprintf (result, sizeof (result), "%010a %d", 1.0 / 0.0, 33, 44, 55);
399 /* "0000000inf 33" is not a valid result; see
400 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
401 ASSERT (strcmp (result, " inf 33") == 0);
402 ASSERT (retval == strlen (result));
405 { /* FLAG_ZERO with NaN. */
408 my_snprintf (result, sizeof (result), "%050a %d", NaN (), 33, 44, 55);
409 /* "0000000nan 33" is not a valid result; see
410 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
411 ASSERT (strlen (result) == 50 + 3
412 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
413 && strcmp (result + strlen (result) - 3, " 33") == 0);
414 ASSERT (retval == strlen (result));
417 { /* A positive 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 { /* A negative number. */
431 my_snprintf (result, sizeof (result), "%LA %d", -3.1416015625L, 33, 44, 55);
432 ASSERT (strcmp (result, "-0X1.922P+1 33") == 0
433 || strcmp (result, "-0X3.244P+0 33") == 0
434 || strcmp (result, "-0X6.488P-1 33") == 0
435 || strcmp (result, "-0XC.91P-2 33") == 0);
436 ASSERT (retval == strlen (result));
439 { /* Positive zero. */
442 my_snprintf (result, sizeof (result), "%La %d", 0.0L, 33, 44, 55);
443 ASSERT (strcmp (result, "0x0p+0 33") == 0);
444 ASSERT (retval == strlen (result));
447 { /* Negative zero. */
450 my_snprintf (result, sizeof (result), "%La %d", -0.0L, 33, 44, 55);
451 if (have_minus_zero ())
452 ASSERT (strcmp (result, "-0x0p+0 33") == 0);
453 ASSERT (retval == strlen (result));
456 { /* Positive infinity. */
459 my_snprintf (result, sizeof (result), "%La %d", 1.0L / 0.0L, 33, 44, 55);
460 ASSERT (strcmp (result, "inf 33") == 0);
461 ASSERT (retval == strlen (result));
464 { /* Negative infinity. */
467 my_snprintf (result, sizeof (result), "%La %d", -1.0L / 0.0L, 33, 44, 55);
468 ASSERT (strcmp (result, "-inf 33") == 0);
469 ASSERT (retval == strlen (result));
475 my_snprintf (result, sizeof (result), "%La %d", 0.0L / 0.0L, 33, 44, 55);
476 ASSERT (strlen (result) >= 3 + 3
477 && strisnan (result, 0, strlen (result) - 3, 0)
478 && strcmp (result + strlen (result) - 3, " 33") == 0);
479 ASSERT (retval == strlen (result));
481 #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_))
483 static union { unsigned int word[4]; long double value; } x =
484 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
487 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
488 ASSERT (strlen (result) >= 3 + 3
489 && strisnan (result, 0, strlen (result) - 3, 0)
490 && strcmp (result + strlen (result) - 3, " 33") == 0);
491 ASSERT (retval == strlen (result));
494 /* Signalling NaN. */
495 static union { unsigned int word[4]; long double value; } x =
496 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
499 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
500 ASSERT (strlen (result) >= 3 + 3
501 && strisnan (result, 0, strlen (result) - 3, 0)
502 && strcmp (result + strlen (result) - 3, " 33") == 0);
503 ASSERT (retval == strlen (result));
505 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
506 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
507 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
508 Application Architecture.
509 Table 5-2 "Floating-Point Register Encodings"
510 Figure 5-6 "Memory to Floating-Point Register Data Translation"
513 static union { unsigned int word[4]; long double value; } x =
514 { LDBL80_WORDS (0xFFFF, 0x40000001, 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));
523 { /* Pseudo-Infinity. */
524 static union { unsigned int word[4]; long double value; } x =
525 { LDBL80_WORDS (0xFFFF, 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));
535 static union { unsigned int word[4]; long double value; } x =
536 { LDBL80_WORDS (0x4004, 0x00000000, 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 { /* Unnormalized number. */
546 static union { unsigned int word[4]; long double value; } x =
547 { LDBL80_WORDS (0x4000, 0x63333333, 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));
556 { /* Pseudo-Denormal. */
557 static union { unsigned int word[4]; long double value; } x =
558 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
561 my_snprintf (result, sizeof (result), "%La %d", x.value, 33, 44, 55);
562 ASSERT (strlen (result) >= 3 + 3
563 && strisnan (result, 0, strlen (result) - 3, 0)
564 && strcmp (result + strlen (result) - 3, " 33") == 0);
565 ASSERT (retval == strlen (result));
569 { /* Rounding near the decimal point. */
572 my_snprintf (result, sizeof (result), "%.0La %d", 1.5L, 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 0. */
583 my_snprintf (result, sizeof (result), "%.0La %d", 1.51L, 33, 44, 55);
584 ASSERT (strcmp (result, "0x2p+0 33") == 0
585 || strcmp (result, "0x3p-1 33") == 0
586 || strcmp (result, "0x6p-2 33") == 0
587 || strcmp (result, "0xcp-3 33") == 0);
588 ASSERT (retval == strlen (result));
591 { /* Rounding with precision 1. */
594 my_snprintf (result, sizeof (result), "%.1La %d", 1.51L, 33, 44, 55);
595 ASSERT (strcmp (result, "0x1.8p+0 33") == 0
596 || strcmp (result, "0x3.0p-1 33") == 0
597 || strcmp (result, "0x6.1p-2 33") == 0
598 || strcmp (result, "0xc.1p-3 33") == 0);
599 ASSERT (retval == strlen (result));
602 { /* Rounding with precision 2. */
605 my_snprintf (result, sizeof (result), "%.2La %d", 1.51L, 33, 44, 55);
606 ASSERT (strcmp (result, "0x1.83p+0 33") == 0
607 || strcmp (result, "0x3.05p-1 33") == 0
608 || strcmp (result, "0x6.0ap-2 33") == 0
609 || strcmp (result, "0xc.14p-3 33") == 0);
610 ASSERT (retval == strlen (result));
613 { /* Rounding with precision 3. */
616 my_snprintf (result, sizeof (result), "%.3La %d", 1.51L, 33, 44, 55);
617 ASSERT (strcmp (result, "0x1.829p+0 33") == 0
618 || strcmp (result, "0x3.052p-1 33") == 0
619 || strcmp (result, "0x6.0a4p-2 33") == 0
620 || strcmp (result, "0xc.148p-3 33") == 0);
621 ASSERT (retval == strlen (result));
624 { /* Rounding can turn a ...FFF into a ...000. */
627 my_snprintf (result, sizeof (result), "%.3La %d", 1.49999L, 33, 44, 55);
628 ASSERT (strcmp (result, "0x1.800p+0 33") == 0
629 || strcmp (result, "0x3.000p-1 33") == 0
630 || strcmp (result, "0x6.000p-2 33") == 0
631 || strcmp (result, "0xc.000p-3 33") == 0);
632 ASSERT (retval == strlen (result));
635 { /* Rounding can turn a ...FFF into a ...000.
636 This shows a MacOS X 10.3.9 (Darwin 7.9) bug and a
637 glibc 2.4 bug <http://sourceware.org/bugzilla/show_bug.cgi?id=2908>. */
640 my_snprintf (result, sizeof (result), "%.1La %d", 1.999L, 33, 44, 55);
641 ASSERT (strcmp (result, "0x1.0p+1 33") == 0
642 || strcmp (result, "0x2.0p+0 33") == 0
643 || strcmp (result, "0x4.0p-1 33") == 0
644 || strcmp (result, "0x8.0p-2 33") == 0);
645 ASSERT (retval == strlen (result));
651 my_snprintf (result, sizeof (result), "%10La %d", 1.75L, 33, 44, 55);
652 ASSERT (strcmp (result, " 0x1.cp+0 33") == 0
653 || strcmp (result, " 0x3.8p-1 33") == 0
654 || strcmp (result, " 0x7p-2 33") == 0
655 || strcmp (result, " 0xep-3 33") == 0);
656 ASSERT (retval == strlen (result));
659 { /* Small precision. */
662 my_snprintf (result, sizeof (result), "%.10La %d", 1.75L, 33, 44, 55);
663 ASSERT (strcmp (result, "0x1.c000000000p+0 33") == 0
664 || strcmp (result, "0x3.8000000000p-1 33") == 0
665 || strcmp (result, "0x7.0000000000p-2 33") == 0
666 || strcmp (result, "0xe.0000000000p-3 33") == 0);
667 ASSERT (retval == strlen (result));
670 { /* Large precision. */
673 my_snprintf (result, sizeof (result), "%.50La %d", 1.75L, 33, 44, 55);
674 ASSERT (strcmp (result, "0x1.c0000000000000000000000000000000000000000000000000p+0 33") == 0
675 || strcmp (result, "0x3.80000000000000000000000000000000000000000000000000p-1 33") == 0
676 || strcmp (result, "0x7.00000000000000000000000000000000000000000000000000p-2 33") == 0
677 || strcmp (result, "0xe.00000000000000000000000000000000000000000000000000p-3 33") == 0);
678 ASSERT (retval == strlen (result));
684 my_snprintf (result, sizeof (result), "%-10La %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));
692 { /* FLAG_SHOWSIGN. */
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, " 0x7p-2 33") == 0
710 || strcmp (result, " 0xep-3 33") == 0);
711 ASSERT (retval == strlen (result));
717 my_snprintf (result, sizeof (result), "%#La %d", 1.75L, 33, 44, 55);
718 ASSERT (strcmp (result, "0x1.cp+0 33") == 0
719 || strcmp (result, "0x3.8p-1 33") == 0
720 || strcmp (result, "0x7.p-2 33") == 0
721 || strcmp (result, "0xe.p-3 33") == 0);
722 ASSERT (retval == strlen (result));
728 my_snprintf (result, sizeof (result), "%#La %d", 1.0L, 33, 44, 55);
729 ASSERT (strcmp (result, "0x1.p+0 33") == 0
730 || strcmp (result, "0x2.p-1 33") == 0
731 || strcmp (result, "0x4.p-2 33") == 0
732 || strcmp (result, "0x8.p-3 33") == 0);
733 ASSERT (retval == strlen (result));
736 { /* FLAG_ZERO with finite number. */
739 my_snprintf (result, sizeof (result), "%010La %d", 1.75L, 33, 44, 55);
740 ASSERT (strcmp (result, "0x001.cp+0 33") == 0
741 || strcmp (result, "0x003.8p-1 33") == 0
742 || strcmp (result, "0x00007p-2 33") == 0
743 || strcmp (result, "0x0000ep-3 33") == 0);
744 ASSERT (retval == strlen (result));
747 { /* FLAG_ZERO with infinite number. */
750 my_snprintf (result, sizeof (result), "%010La %d", 1.0L / 0.0L, 33, 44, 55);
751 /* "0000000inf 33" is not a valid result; see
752 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
753 ASSERT (strcmp (result, " inf 33") == 0);
754 ASSERT (retval == strlen (result));
757 { /* FLAG_ZERO with NaN. */
760 my_snprintf (result, sizeof (result), "%050La %d", 0.0L / 0.0L, 33, 44, 55);
761 /* "0000000nan 33" is not a valid result; see
762 <http://lists.gnu.org/archive/html/bug-gnulib/2007-04/msg00107.html> */
763 ASSERT (strlen (result) == 50 + 3
764 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
765 && strcmp (result + strlen (result) - 3, " 33") == 0);
766 ASSERT (retval == strlen (result));
769 /* Test the support of the %f format directive. */
771 { /* A positive number. */
774 my_snprintf (result, sizeof (result), "%f %d", 12.75, 33, 44, 55);
775 ASSERT (strcmp (result, "12.750000 33") == 0);
776 ASSERT (retval == strlen (result));
779 { /* A larger positive number. */
782 my_snprintf (result, sizeof (result), "%f %d", 1234567.0, 33, 44, 55);
783 ASSERT (strcmp (result, "1234567.000000 33") == 0);
784 ASSERT (retval == strlen (result));
787 { /* Small and large positive numbers. */
788 static struct { double value; const char *string; } data[] =
790 { 1.234321234321234e-37, "0.000000" },
791 { 1.234321234321234e-36, "0.000000" },
792 { 1.234321234321234e-35, "0.000000" },
793 { 1.234321234321234e-34, "0.000000" },
794 { 1.234321234321234e-33, "0.000000" },
795 { 1.234321234321234e-32, "0.000000" },
796 { 1.234321234321234e-31, "0.000000" },
797 { 1.234321234321234e-30, "0.000000" },
798 { 1.234321234321234e-29, "0.000000" },
799 { 1.234321234321234e-28, "0.000000" },
800 { 1.234321234321234e-27, "0.000000" },
801 { 1.234321234321234e-26, "0.000000" },
802 { 1.234321234321234e-25, "0.000000" },
803 { 1.234321234321234e-24, "0.000000" },
804 { 1.234321234321234e-23, "0.000000" },
805 { 1.234321234321234e-22, "0.000000" },
806 { 1.234321234321234e-21, "0.000000" },
807 { 1.234321234321234e-20, "0.000000" },
808 { 1.234321234321234e-19, "0.000000" },
809 { 1.234321234321234e-18, "0.000000" },
810 { 1.234321234321234e-17, "0.000000" },
811 { 1.234321234321234e-16, "0.000000" },
812 { 1.234321234321234e-15, "0.000000" },
813 { 1.234321234321234e-14, "0.000000" },
814 { 1.234321234321234e-13, "0.000000" },
815 { 1.234321234321234e-12, "0.000000" },
816 { 1.234321234321234e-11, "0.000000" },
817 { 1.234321234321234e-10, "0.000000" },
818 { 1.234321234321234e-9, "0.000000" },
819 { 1.234321234321234e-8, "0.000000" },
820 { 1.234321234321234e-7, "0.000000" },
821 { 1.234321234321234e-6, "0.000001" },
822 { 1.234321234321234e-5, "0.000012" },
823 { 1.234321234321234e-4, "0.000123" },
824 { 1.234321234321234e-3, "0.001234" },
825 { 1.234321234321234e-2, "0.012343" },
826 { 1.234321234321234e-1, "0.123432" },
827 { 1.234321234321234, "1.234321" },
828 { 1.234321234321234e1, "12.343212" },
829 { 1.234321234321234e2, "123.432123" },
830 { 1.234321234321234e3, "1234.321234" },
831 { 1.234321234321234e4, "12343.212343" },
832 { 1.234321234321234e5, "123432.123432" },
833 { 1.234321234321234e6, "1234321.234321" },
834 { 1.234321234321234e7, "12343212.343212" },
835 { 1.234321234321234e8, "123432123.432123" },
836 { 1.234321234321234e9, "1234321234.321234" },
837 { 1.234321234321234e10, "12343212343.2123**" },
838 { 1.234321234321234e11, "123432123432.123***" },
839 { 1.234321234321234e12, "1234321234321.23****" },
840 { 1.234321234321234e13, "12343212343212.3*****" },
841 { 1.234321234321234e14, "123432123432123.******" },
842 { 1.234321234321234e15, "1234321234321234.000000" },
843 { 1.234321234321234e16, "123432123432123**.000000" },
844 { 1.234321234321234e17, "123432123432123***.000000" },
845 { 1.234321234321234e18, "123432123432123****.000000" },
846 { 1.234321234321234e19, "123432123432123*****.000000" },
847 { 1.234321234321234e20, "123432123432123******.000000" },
848 { 1.234321234321234e21, "123432123432123*******.000000" },
849 { 1.234321234321234e22, "123432123432123********.000000" },
850 { 1.234321234321234e23, "123432123432123*********.000000" },
851 { 1.234321234321234e24, "123432123432123**********.000000" },
852 { 1.234321234321234e25, "123432123432123***********.000000" },
853 { 1.234321234321234e26, "123432123432123************.000000" },
854 { 1.234321234321234e27, "123432123432123*************.000000" },
855 { 1.234321234321234e28, "123432123432123**************.000000" },
856 { 1.234321234321234e29, "123432123432123***************.000000" },
857 { 1.234321234321234e30, "123432123432123****************.000000" },
858 { 1.234321234321234e31, "123432123432123*****************.000000" },
859 { 1.234321234321234e32, "123432123432123******************.000000" },
860 { 1.234321234321234e33, "123432123432123*******************.000000" },
861 { 1.234321234321234e34, "123432123432123********************.000000" },
862 { 1.234321234321234e35, "123432123432123*********************.000000" },
863 { 1.234321234321234e36, "123432123432123**********************.000000" }
866 for (k = 0; k < SIZEOF (data); k++)
870 my_snprintf (result, sizeof (result), "%f", data[k].value);
871 ASSERT (strmatch (data[k].string, result));
872 ASSERT (retval == strlen (result));
876 { /* A negative number. */
879 my_snprintf (result, sizeof (result), "%f %d", -0.03125, 33, 44, 55);
880 ASSERT (strcmp (result, "-0.031250 33") == 0);
881 ASSERT (retval == strlen (result));
884 { /* Positive zero. */
887 my_snprintf (result, sizeof (result), "%f %d", 0.0, 33, 44, 55);
888 ASSERT (strcmp (result, "0.000000 33") == 0);
889 ASSERT (retval == strlen (result));
892 { /* Negative zero. */
895 my_snprintf (result, sizeof (result), "%f %d", -0.0, 33, 44, 55);
896 if (have_minus_zero ())
897 ASSERT (strcmp (result, "-0.000000 33") == 0);
898 ASSERT (retval == strlen (result));
901 { /* Positive infinity. */
904 my_snprintf (result, sizeof (result), "%f %d", 1.0 / 0.0, 33, 44, 55);
905 ASSERT (strcmp (result, "inf 33") == 0
906 || strcmp (result, "infinity 33") == 0);
907 ASSERT (retval == strlen (result));
910 { /* Negative infinity. */
913 my_snprintf (result, sizeof (result), "%f %d", -1.0 / 0.0, 33, 44, 55);
914 ASSERT (strcmp (result, "-inf 33") == 0
915 || strcmp (result, "-infinity 33") == 0);
916 ASSERT (retval == strlen (result));
922 my_snprintf (result, sizeof (result), "%f %d", NaN (), 33, 44, 55);
923 ASSERT (strlen (result) >= 3 + 3
924 && strisnan (result, 0, strlen (result) - 3, 0)
925 && strcmp (result + strlen (result) - 3, " 33") == 0);
926 ASSERT (retval == strlen (result));
932 my_snprintf (result, sizeof (result), "%10f %d", 1.75, 33, 44, 55);
933 ASSERT (result != NULL);
934 ASSERT (strcmp (result, " 1.750000 33") == 0);
935 ASSERT (retval == strlen (result));
941 my_snprintf (result, sizeof (result), "%-10f %d", 1.75, 33, 44, 55);
942 ASSERT (result != NULL);
943 ASSERT (strcmp (result, "1.750000 33") == 0);
944 ASSERT (retval == strlen (result));
947 { /* FLAG_SHOWSIGN. */
950 my_snprintf (result, sizeof (result), "%+f %d", 1.75, 33, 44, 55);
951 ASSERT (result != NULL);
952 ASSERT (strcmp (result, "+1.750000 33") == 0);
953 ASSERT (retval == strlen (result));
959 my_snprintf (result, sizeof (result), "% f %d", 1.75, 33, 44, 55);
960 ASSERT (result != NULL);
961 ASSERT (strcmp (result, " 1.750000 33") == 0);
962 ASSERT (retval == strlen (result));
968 my_snprintf (result, sizeof (result), "%#f %d", 1.75, 33, 44, 55);
969 ASSERT (result != NULL);
970 ASSERT (strcmp (result, "1.750000 33") == 0);
971 ASSERT (retval == strlen (result));
977 my_snprintf (result, sizeof (result), "%#.f %d", 1.75, 33, 44, 55);
978 ASSERT (result != NULL);
979 ASSERT (strcmp (result, "2. 33") == 0);
980 ASSERT (retval == strlen (result));
983 { /* FLAG_ZERO with finite number. */
986 my_snprintf (result, sizeof (result), "%015f %d", 1234.0, 33, 44, 55);
987 ASSERT (strcmp (result, "00001234.000000 33") == 0);
988 ASSERT (retval == strlen (result));
991 { /* FLAG_ZERO with infinite number. */
994 my_snprintf (result, sizeof (result), "%015f %d", -1.0 / 0.0, 33, 44, 55);
995 ASSERT (strcmp (result, " -inf 33") == 0
996 || strcmp (result, " -infinity 33") == 0);
997 ASSERT (retval == strlen (result));
1000 { /* FLAG_ZERO with NaN. */
1003 my_snprintf (result, sizeof (result), "%050f %d", NaN (), 33, 44, 55);
1004 ASSERT (strlen (result) == 50 + 3
1005 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1006 && strcmp (result + strlen (result) - 3, " 33") == 0);
1007 ASSERT (retval == strlen (result));
1013 my_snprintf (result, sizeof (result), "%.f %d", 1234.0, 33, 44, 55);
1014 ASSERT (strcmp (result, "1234 33") == 0);
1015 ASSERT (retval == strlen (result));
1018 { /* A positive number. */
1021 my_snprintf (result, sizeof (result), "%Lf %d", 12.75L, 33, 44, 55);
1022 ASSERT (strcmp (result, "12.750000 33") == 0);
1023 ASSERT (retval == strlen (result));
1026 { /* A larger positive number. */
1029 my_snprintf (result, sizeof (result), "%Lf %d", 1234567.0L, 33, 44, 55);
1030 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1031 ASSERT (retval == strlen (result));
1034 { /* Small and large positive numbers. */
1035 static struct { long double value; const char *string; } data[] =
1037 { 1.234321234321234e-37L, "0.000000" },
1038 { 1.234321234321234e-36L, "0.000000" },
1039 { 1.234321234321234e-35L, "0.000000" },
1040 { 1.234321234321234e-34L, "0.000000" },
1041 { 1.234321234321234e-33L, "0.000000" },
1042 { 1.234321234321234e-32L, "0.000000" },
1043 { 1.234321234321234e-31L, "0.000000" },
1044 { 1.234321234321234e-30L, "0.000000" },
1045 { 1.234321234321234e-29L, "0.000000" },
1046 { 1.234321234321234e-28L, "0.000000" },
1047 { 1.234321234321234e-27L, "0.000000" },
1048 { 1.234321234321234e-26L, "0.000000" },
1049 { 1.234321234321234e-25L, "0.000000" },
1050 { 1.234321234321234e-24L, "0.000000" },
1051 { 1.234321234321234e-23L, "0.000000" },
1052 { 1.234321234321234e-22L, "0.000000" },
1053 { 1.234321234321234e-21L, "0.000000" },
1054 { 1.234321234321234e-20L, "0.000000" },
1055 { 1.234321234321234e-19L, "0.000000" },
1056 { 1.234321234321234e-18L, "0.000000" },
1057 { 1.234321234321234e-17L, "0.000000" },
1058 { 1.234321234321234e-16L, "0.000000" },
1059 { 1.234321234321234e-15L, "0.000000" },
1060 { 1.234321234321234e-14L, "0.000000" },
1061 { 1.234321234321234e-13L, "0.000000" },
1062 { 1.234321234321234e-12L, "0.000000" },
1063 { 1.234321234321234e-11L, "0.000000" },
1064 { 1.234321234321234e-10L, "0.000000" },
1065 { 1.234321234321234e-9L, "0.000000" },
1066 { 1.234321234321234e-8L, "0.000000" },
1067 { 1.234321234321234e-7L, "0.000000" },
1068 { 1.234321234321234e-6L, "0.000001" },
1069 { 1.234321234321234e-5L, "0.000012" },
1070 { 1.234321234321234e-4L, "0.000123" },
1071 { 1.234321234321234e-3L, "0.001234" },
1072 { 1.234321234321234e-2L, "0.012343" },
1073 { 1.234321234321234e-1L, "0.123432" },
1074 { 1.234321234321234L, "1.234321" },
1075 { 1.234321234321234e1L, "12.343212" },
1076 { 1.234321234321234e2L, "123.432123" },
1077 { 1.234321234321234e3L, "1234.321234" },
1078 { 1.234321234321234e4L, "12343.212343" },
1079 { 1.234321234321234e5L, "123432.123432" },
1080 { 1.234321234321234e6L, "1234321.234321" },
1081 { 1.234321234321234e7L, "12343212.343212" },
1082 { 1.234321234321234e8L, "123432123.432123" },
1083 { 1.234321234321234e9L, "1234321234.321234" },
1084 { 1.234321234321234e10L, "12343212343.2123**" },
1085 { 1.234321234321234e11L, "123432123432.123***" },
1086 { 1.234321234321234e12L, "1234321234321.23****" },
1087 { 1.234321234321234e13L, "12343212343212.3*****" },
1088 { 1.234321234321234e14L, "123432123432123.******" },
1089 { 1.234321234321234e15L, "1234321234321234.000000" },
1090 { 1.234321234321234e16L, "123432123432123**.000000" },
1091 { 1.234321234321234e17L, "123432123432123***.000000" },
1092 { 1.234321234321234e18L, "123432123432123****.000000" },
1093 { 1.234321234321234e19L, "123432123432123*****.000000" },
1094 { 1.234321234321234e20L, "123432123432123******.000000" },
1095 { 1.234321234321234e21L, "123432123432123*******.000000" },
1096 { 1.234321234321234e22L, "123432123432123********.000000" },
1097 { 1.234321234321234e23L, "123432123432123*********.000000" },
1098 { 1.234321234321234e24L, "123432123432123**********.000000" },
1099 { 1.234321234321234e25L, "123432123432123***********.000000" },
1100 { 1.234321234321234e26L, "123432123432123************.000000" },
1101 { 1.234321234321234e27L, "123432123432123*************.000000" },
1102 { 1.234321234321234e28L, "123432123432123**************.000000" },
1103 { 1.234321234321234e29L, "123432123432123***************.000000" },
1104 { 1.234321234321234e30L, "123432123432123****************.000000" },
1105 { 1.234321234321234e31L, "123432123432123*****************.000000" },
1106 { 1.234321234321234e32L, "123432123432123******************.000000" },
1107 { 1.234321234321234e33L, "123432123432123*******************.000000" },
1108 { 1.234321234321234e34L, "123432123432123********************.000000" },
1109 { 1.234321234321234e35L, "123432123432123*********************.000000" },
1110 { 1.234321234321234e36L, "123432123432123**********************.000000" }
1113 for (k = 0; k < SIZEOF (data); k++)
1117 my_snprintf (result, sizeof (result), "%Lf", data[k].value);
1118 ASSERT (strmatch (data[k].string, result));
1119 ASSERT (retval == strlen (result));
1123 { /* A negative number. */
1126 my_snprintf (result, sizeof (result), "%Lf %d", -0.03125L, 33, 44, 55);
1127 ASSERT (strcmp (result, "-0.031250 33") == 0);
1128 ASSERT (retval == strlen (result));
1131 { /* Positive zero. */
1134 my_snprintf (result, sizeof (result), "%Lf %d", 0.0L, 33, 44, 55);
1135 ASSERT (strcmp (result, "0.000000 33") == 0);
1136 ASSERT (retval == strlen (result));
1139 { /* Negative zero. */
1142 my_snprintf (result, sizeof (result), "%Lf %d", -0.0L, 33, 44, 55);
1143 if (have_minus_zero ())
1144 ASSERT (strcmp (result, "-0.000000 33") == 0);
1145 ASSERT (retval == strlen (result));
1148 { /* Positive infinity. */
1151 my_snprintf (result, sizeof (result), "%Lf %d", 1.0L / 0.0L, 33, 44, 55);
1152 ASSERT (strcmp (result, "inf 33") == 0
1153 || strcmp (result, "infinity 33") == 0);
1154 ASSERT (retval == strlen (result));
1157 { /* Negative infinity. */
1160 my_snprintf (result, sizeof (result), "%Lf %d", -1.0L / 0.0L, 33, 44, 55);
1161 ASSERT (strcmp (result, "-inf 33") == 0
1162 || strcmp (result, "-infinity 33") == 0);
1163 ASSERT (retval == strlen (result));
1167 static long double zero = 0.0L;
1170 my_snprintf (result, sizeof (result), "%Lf %d", zero / zero, 33, 44, 55);
1171 ASSERT (strlen (result) >= 3 + 3
1172 && strisnan (result, 0, strlen (result) - 3, 0)
1173 && strcmp (result + strlen (result) - 3, " 33") == 0);
1174 ASSERT (retval == strlen (result));
1176 #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_))
1178 static union { unsigned int word[4]; long double value; } x =
1179 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1182 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1183 ASSERT (strlen (result) >= 3 + 3
1184 && strisnan (result, 0, strlen (result) - 3, 0)
1185 && strcmp (result + strlen (result) - 3, " 33") == 0);
1186 ASSERT (retval == strlen (result));
1189 /* Signalling NaN. */
1190 static union { unsigned int word[4]; long double value; } x =
1191 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1194 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1195 ASSERT (strlen (result) >= 3 + 3
1196 && strisnan (result, 0, strlen (result) - 3, 0)
1197 && strcmp (result + strlen (result) - 3, " 33") == 0);
1198 ASSERT (retval == strlen (result));
1200 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
1201 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
1202 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
1203 Application Architecture.
1204 Table 5-2 "Floating-Point Register Encodings"
1205 Figure 5-6 "Memory to Floating-Point Register Data Translation"
1208 static union { unsigned int word[4]; long double value; } x =
1209 { LDBL80_WORDS (0xFFFF, 0x40000001, 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-Infinity. */
1219 static union { unsigned int word[4]; long double value; } x =
1220 { LDBL80_WORDS (0xFFFF, 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 { /* Pseudo-Zero. */
1230 static union { unsigned int word[4]; long double value; } x =
1231 { LDBL80_WORDS (0x4004, 0x00000000, 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 { /* Unnormalized number. */
1241 static union { unsigned int word[4]; long double value; } x =
1242 { LDBL80_WORDS (0x4000, 0x63333333, 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));
1251 { /* Pseudo-Denormal. */
1252 static union { unsigned int word[4]; long double value; } x =
1253 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
1256 my_snprintf (result, sizeof (result), "%Lf %d", x.value, 33, 44, 55);
1257 ASSERT (strlen (result) >= 3 + 3
1258 && strisnan (result, 0, strlen (result) - 3, 0)
1259 && strcmp (result + strlen (result) - 3, " 33") == 0);
1260 ASSERT (retval == strlen (result));
1267 my_snprintf (result, sizeof (result), "%10Lf %d", 1.75L, 33, 44, 55);
1268 ASSERT (result != NULL);
1269 ASSERT (strcmp (result, " 1.750000 33") == 0);
1270 ASSERT (retval == strlen (result));
1276 my_snprintf (result, sizeof (result), "%-10Lf %d", 1.75L, 33, 44, 55);
1277 ASSERT (result != NULL);
1278 ASSERT (strcmp (result, "1.750000 33") == 0);
1279 ASSERT (retval == strlen (result));
1282 { /* FLAG_SHOWSIGN. */
1285 my_snprintf (result, sizeof (result), "%+Lf %d", 1.75L, 33, 44, 55);
1286 ASSERT (result != NULL);
1287 ASSERT (strcmp (result, "+1.750000 33") == 0);
1288 ASSERT (retval == strlen (result));
1294 my_snprintf (result, sizeof (result), "% Lf %d", 1.75L, 33, 44, 55);
1295 ASSERT (result != NULL);
1296 ASSERT (strcmp (result, " 1.750000 33") == 0);
1297 ASSERT (retval == strlen (result));
1303 my_snprintf (result, sizeof (result), "%#Lf %d", 1.75L, 33, 44, 55);
1304 ASSERT (result != NULL);
1305 ASSERT (strcmp (result, "1.750000 33") == 0);
1306 ASSERT (retval == strlen (result));
1312 my_snprintf (result, sizeof (result), "%#.Lf %d", 1.75L, 33, 44, 55);
1313 ASSERT (result != NULL);
1314 ASSERT (strcmp (result, "2. 33") == 0);
1315 ASSERT (retval == strlen (result));
1318 { /* FLAG_ZERO with finite number. */
1321 my_snprintf (result, sizeof (result), "%015Lf %d", 1234.0L, 33, 44, 55);
1322 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1323 ASSERT (retval == strlen (result));
1326 { /* FLAG_ZERO with infinite number. */
1329 my_snprintf (result, sizeof (result), "%015Lf %d", -1.0L / 0.0L, 33, 44, 55);
1330 ASSERT (strcmp (result, " -inf 33") == 0
1331 || strcmp (result, " -infinity 33") == 0);
1332 ASSERT (retval == strlen (result));
1335 { /* FLAG_ZERO with NaN. */
1336 static long double zero = 0.0L;
1339 my_snprintf (result, sizeof (result), "%050Lf %d", zero / zero, 33, 44, 55);
1340 ASSERT (strlen (result) == 50 + 3
1341 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1342 && strcmp (result + strlen (result) - 3, " 33") == 0);
1343 ASSERT (retval == strlen (result));
1349 my_snprintf (result, sizeof (result), "%.Lf %d", 1234.0L, 33, 44, 55);
1350 ASSERT (strcmp (result, "1234 33") == 0);
1351 ASSERT (retval == strlen (result));
1354 /* Test the support of the %F format directive. */
1356 { /* A positive number. */
1359 my_snprintf (result, sizeof (result), "%F %d", 12.75, 33, 44, 55);
1360 ASSERT (strcmp (result, "12.750000 33") == 0);
1361 ASSERT (retval == strlen (result));
1364 { /* A larger positive number. */
1367 my_snprintf (result, sizeof (result), "%F %d", 1234567.0, 33, 44, 55);
1368 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1369 ASSERT (retval == strlen (result));
1372 { /* A negative number. */
1375 my_snprintf (result, sizeof (result), "%F %d", -0.03125, 33, 44, 55);
1376 ASSERT (strcmp (result, "-0.031250 33") == 0);
1377 ASSERT (retval == strlen (result));
1380 { /* Positive zero. */
1383 my_snprintf (result, sizeof (result), "%F %d", 0.0, 33, 44, 55);
1384 ASSERT (strcmp (result, "0.000000 33") == 0);
1385 ASSERT (retval == strlen (result));
1388 { /* Negative zero. */
1391 my_snprintf (result, sizeof (result), "%F %d", -0.0, 33, 44, 55);
1392 if (have_minus_zero ())
1393 ASSERT (strcmp (result, "-0.000000 33") == 0);
1394 ASSERT (retval == strlen (result));
1397 { /* Positive infinity. */
1400 my_snprintf (result, sizeof (result), "%F %d", 1.0 / 0.0, 33, 44, 55);
1401 ASSERT (strcmp (result, "INF 33") == 0
1402 || strcmp (result, "INFINITY 33") == 0);
1403 ASSERT (retval == strlen (result));
1406 { /* Negative infinity. */
1409 my_snprintf (result, sizeof (result), "%F %d", -1.0 / 0.0, 33, 44, 55);
1410 ASSERT (strcmp (result, "-INF 33") == 0
1411 || strcmp (result, "-INFINITY 33") == 0);
1412 ASSERT (retval == strlen (result));
1418 my_snprintf (result, sizeof (result), "%F %d", NaN (), 33, 44, 55);
1419 ASSERT (strlen (result) >= 3 + 3
1420 && strisnan (result, 0, strlen (result) - 3, 1)
1421 && strcmp (result + strlen (result) - 3, " 33") == 0);
1422 ASSERT (retval == strlen (result));
1428 my_snprintf (result, sizeof (result), "%015F %d", 1234.0, 33, 44, 55);
1429 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1430 ASSERT (retval == strlen (result));
1433 { /* FLAG_ZERO with infinite number. */
1436 my_snprintf (result, sizeof (result), "%015F %d", -1.0 / 0.0, 33, 44, 55);
1437 ASSERT (strcmp (result, " -INF 33") == 0
1438 || strcmp (result, " -INFINITY 33") == 0);
1439 ASSERT (retval == strlen (result));
1445 my_snprintf (result, sizeof (result), "%.F %d", 1234.0, 33, 44, 55);
1446 ASSERT (strcmp (result, "1234 33") == 0);
1447 ASSERT (retval == strlen (result));
1450 { /* A positive number. */
1453 my_snprintf (result, sizeof (result), "%LF %d", 12.75L, 33, 44, 55);
1454 ASSERT (strcmp (result, "12.750000 33") == 0);
1455 ASSERT (retval == strlen (result));
1458 { /* A larger positive number. */
1461 my_snprintf (result, sizeof (result), "%LF %d", 1234567.0L, 33, 44, 55);
1462 ASSERT (strcmp (result, "1234567.000000 33") == 0);
1463 ASSERT (retval == strlen (result));
1466 { /* A negative number. */
1469 my_snprintf (result, sizeof (result), "%LF %d", -0.03125L, 33, 44, 55);
1470 ASSERT (strcmp (result, "-0.031250 33") == 0);
1471 ASSERT (retval == strlen (result));
1474 { /* Positive zero. */
1477 my_snprintf (result, sizeof (result), "%LF %d", 0.0L, 33, 44, 55);
1478 ASSERT (strcmp (result, "0.000000 33") == 0);
1479 ASSERT (retval == strlen (result));
1482 { /* Negative zero. */
1485 my_snprintf (result, sizeof (result), "%LF %d", -0.0L, 33, 44, 55);
1486 if (have_minus_zero ())
1487 ASSERT (strcmp (result, "-0.000000 33") == 0);
1488 ASSERT (retval == strlen (result));
1491 { /* Positive infinity. */
1494 my_snprintf (result, sizeof (result), "%LF %d", 1.0L / 0.0L, 33, 44, 55);
1495 ASSERT (strcmp (result, "INF 33") == 0
1496 || strcmp (result, "INFINITY 33") == 0);
1497 ASSERT (retval == strlen (result));
1500 { /* Negative infinity. */
1503 my_snprintf (result, sizeof (result), "%LF %d", -1.0L / 0.0L, 33, 44, 55);
1504 ASSERT (strcmp (result, "-INF 33") == 0
1505 || strcmp (result, "-INFINITY 33") == 0);
1506 ASSERT (retval == strlen (result));
1510 static long double zero = 0.0L;
1513 my_snprintf (result, sizeof (result), "%LF %d", zero / zero, 33, 44, 55);
1514 ASSERT (strlen (result) >= 3 + 3
1515 && strisnan (result, 0, strlen (result) - 3, 1)
1516 && strcmp (result + strlen (result) - 3, " 33") == 0);
1517 ASSERT (retval == strlen (result));
1523 my_snprintf (result, sizeof (result), "%015LF %d", 1234.0L, 33, 44, 55);
1524 ASSERT (strcmp (result, "00001234.000000 33") == 0);
1525 ASSERT (retval == strlen (result));
1528 { /* FLAG_ZERO with infinite number. */
1531 my_snprintf (result, sizeof (result), "%015LF %d", -1.0L / 0.0L, 33, 44, 55);
1532 ASSERT (strcmp (result, " -INF 33") == 0
1533 || strcmp (result, " -INFINITY 33") == 0);
1534 ASSERT (retval == strlen (result));
1540 my_snprintf (result, sizeof (result), "%.LF %d", 1234.0L, 33, 44, 55);
1541 ASSERT (strcmp (result, "1234 33") == 0);
1542 ASSERT (retval == strlen (result));
1545 /* Test the support of the %e format directive. */
1547 { /* A positive number. */
1550 my_snprintf (result, sizeof (result), "%e %d", 12.75, 33, 44, 55);
1551 ASSERT (strcmp (result, "1.275000e+01 33") == 0
1552 || strcmp (result, "1.275000e+001 33") == 0);
1553 ASSERT (retval == strlen (result));
1556 { /* A larger positive number. */
1559 my_snprintf (result, sizeof (result), "%e %d", 1234567.0, 33, 44, 55);
1560 ASSERT (strcmp (result, "1.234567e+06 33") == 0
1561 || strcmp (result, "1.234567e+006 33") == 0);
1562 ASSERT (retval == strlen (result));
1565 { /* Small and large positive numbers. */
1566 static struct { double value; const char *string; } data[] =
1568 { 1.234321234321234e-37, "1.234321e-37" },
1569 { 1.234321234321234e-36, "1.234321e-36" },
1570 { 1.234321234321234e-35, "1.234321e-35" },
1571 { 1.234321234321234e-34, "1.234321e-34" },
1572 { 1.234321234321234e-33, "1.234321e-33" },
1573 { 1.234321234321234e-32, "1.234321e-32" },
1574 { 1.234321234321234e-31, "1.234321e-31" },
1575 { 1.234321234321234e-30, "1.234321e-30" },
1576 { 1.234321234321234e-29, "1.234321e-29" },
1577 { 1.234321234321234e-28, "1.234321e-28" },
1578 { 1.234321234321234e-27, "1.234321e-27" },
1579 { 1.234321234321234e-26, "1.234321e-26" },
1580 { 1.234321234321234e-25, "1.234321e-25" },
1581 { 1.234321234321234e-24, "1.234321e-24" },
1582 { 1.234321234321234e-23, "1.234321e-23" },
1583 { 1.234321234321234e-22, "1.234321e-22" },
1584 { 1.234321234321234e-21, "1.234321e-21" },
1585 { 1.234321234321234e-20, "1.234321e-20" },
1586 { 1.234321234321234e-19, "1.234321e-19" },
1587 { 1.234321234321234e-18, "1.234321e-18" },
1588 { 1.234321234321234e-17, "1.234321e-17" },
1589 { 1.234321234321234e-16, "1.234321e-16" },
1590 { 1.234321234321234e-15, "1.234321e-15" },
1591 { 1.234321234321234e-14, "1.234321e-14" },
1592 { 1.234321234321234e-13, "1.234321e-13" },
1593 { 1.234321234321234e-12, "1.234321e-12" },
1594 { 1.234321234321234e-11, "1.234321e-11" },
1595 { 1.234321234321234e-10, "1.234321e-10" },
1596 { 1.234321234321234e-9, "1.234321e-09" },
1597 { 1.234321234321234e-8, "1.234321e-08" },
1598 { 1.234321234321234e-7, "1.234321e-07" },
1599 { 1.234321234321234e-6, "1.234321e-06" },
1600 { 1.234321234321234e-5, "1.234321e-05" },
1601 { 1.234321234321234e-4, "1.234321e-04" },
1602 { 1.234321234321234e-3, "1.234321e-03" },
1603 { 1.234321234321234e-2, "1.234321e-02" },
1604 { 1.234321234321234e-1, "1.234321e-01" },
1605 { 1.234321234321234, "1.234321e+00" },
1606 { 1.234321234321234e1, "1.234321e+01" },
1607 { 1.234321234321234e2, "1.234321e+02" },
1608 { 1.234321234321234e3, "1.234321e+03" },
1609 { 1.234321234321234e4, "1.234321e+04" },
1610 { 1.234321234321234e5, "1.234321e+05" },
1611 { 1.234321234321234e6, "1.234321e+06" },
1612 { 1.234321234321234e7, "1.234321e+07" },
1613 { 1.234321234321234e8, "1.234321e+08" },
1614 { 1.234321234321234e9, "1.234321e+09" },
1615 { 1.234321234321234e10, "1.234321e+10" },
1616 { 1.234321234321234e11, "1.234321e+11" },
1617 { 1.234321234321234e12, "1.234321e+12" },
1618 { 1.234321234321234e13, "1.234321e+13" },
1619 { 1.234321234321234e14, "1.234321e+14" },
1620 { 1.234321234321234e15, "1.234321e+15" },
1621 { 1.234321234321234e16, "1.234321e+16" },
1622 { 1.234321234321234e17, "1.234321e+17" },
1623 { 1.234321234321234e18, "1.234321e+18" },
1624 { 1.234321234321234e19, "1.234321e+19" },
1625 { 1.234321234321234e20, "1.234321e+20" },
1626 { 1.234321234321234e21, "1.234321e+21" },
1627 { 1.234321234321234e22, "1.234321e+22" },
1628 { 1.234321234321234e23, "1.234321e+23" },
1629 { 1.234321234321234e24, "1.234321e+24" },
1630 { 1.234321234321234e25, "1.234321e+25" },
1631 { 1.234321234321234e26, "1.234321e+26" },
1632 { 1.234321234321234e27, "1.234321e+27" },
1633 { 1.234321234321234e28, "1.234321e+28" },
1634 { 1.234321234321234e29, "1.234321e+29" },
1635 { 1.234321234321234e30, "1.234321e+30" },
1636 { 1.234321234321234e31, "1.234321e+31" },
1637 { 1.234321234321234e32, "1.234321e+32" },
1638 { 1.234321234321234e33, "1.234321e+33" },
1639 { 1.234321234321234e34, "1.234321e+34" },
1640 { 1.234321234321234e35, "1.234321e+35" },
1641 { 1.234321234321234e36, "1.234321e+36" }
1644 for (k = 0; k < SIZEOF (data); k++)
1648 my_snprintf (result, sizeof (result), "%e", data[k].value);
1649 const char *expected = data[k].string;
1650 ASSERT (result != NULL);
1651 ASSERT (strcmp (result, expected) == 0
1652 /* Some implementations produce exponents with 3 digits. */
1653 || (strlen (result) == strlen (expected) + 1
1654 && memcmp (result, expected, strlen (expected) - 2) == 0
1655 && result[strlen (expected) - 2] == '0'
1656 && strcmp (result + strlen (expected) - 1,
1657 expected + strlen (expected) - 2)
1659 ASSERT (retval == strlen (result));
1663 { /* A negative number. */
1666 my_snprintf (result, sizeof (result), "%e %d", -0.03125, 33, 44, 55);
1667 ASSERT (strcmp (result, "-3.125000e-02 33") == 0
1668 || strcmp (result, "-3.125000e-002 33") == 0);
1669 ASSERT (retval == strlen (result));
1672 { /* Positive zero. */
1675 my_snprintf (result, sizeof (result), "%e %d", 0.0, 33, 44, 55);
1676 ASSERT (strcmp (result, "0.000000e+00 33") == 0
1677 || strcmp (result, "0.000000e+000 33") == 0);
1678 ASSERT (retval == strlen (result));
1681 { /* Negative zero. */
1684 my_snprintf (result, sizeof (result), "%e %d", -0.0, 33, 44, 55);
1685 if (have_minus_zero ())
1686 ASSERT (strcmp (result, "-0.000000e+00 33") == 0
1687 || strcmp (result, "-0.000000e+000 33") == 0);
1688 ASSERT (retval == strlen (result));
1691 { /* Positive infinity. */
1694 my_snprintf (result, sizeof (result), "%e %d", 1.0 / 0.0, 33, 44, 55);
1695 ASSERT (strcmp (result, "inf 33") == 0
1696 || strcmp (result, "infinity 33") == 0);
1697 ASSERT (retval == strlen (result));
1700 { /* Negative infinity. */
1703 my_snprintf (result, sizeof (result), "%e %d", -1.0 / 0.0, 33, 44, 55);
1704 ASSERT (strcmp (result, "-inf 33") == 0
1705 || strcmp (result, "-infinity 33") == 0);
1706 ASSERT (retval == strlen (result));
1712 my_snprintf (result, sizeof (result), "%e %d", NaN (), 33, 44, 55);
1713 ASSERT (strlen (result) >= 3 + 3
1714 && strisnan (result, 0, strlen (result) - 3, 0)
1715 && strcmp (result + strlen (result) - 3, " 33") == 0);
1716 ASSERT (retval == strlen (result));
1722 my_snprintf (result, sizeof (result), "%15e %d", 1.75, 33, 44, 55);
1723 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1724 || strcmp (result, " 1.750000e+000 33") == 0);
1725 ASSERT (retval == strlen (result));
1731 my_snprintf (result, sizeof (result), "%-15e %d", 1.75, 33, 44, 55);
1732 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1733 || strcmp (result, "1.750000e+000 33") == 0);
1734 ASSERT (retval == strlen (result));
1737 { /* FLAG_SHOWSIGN. */
1740 my_snprintf (result, sizeof (result), "%+e %d", 1.75, 33, 44, 55);
1741 ASSERT (strcmp (result, "+1.750000e+00 33") == 0
1742 || strcmp (result, "+1.750000e+000 33") == 0);
1743 ASSERT (retval == strlen (result));
1749 my_snprintf (result, sizeof (result), "% e %d", 1.75, 33, 44, 55);
1750 ASSERT (strcmp (result, " 1.750000e+00 33") == 0
1751 || strcmp (result, " 1.750000e+000 33") == 0);
1752 ASSERT (retval == strlen (result));
1758 my_snprintf (result, sizeof (result), "%#e %d", 1.75, 33, 44, 55);
1759 ASSERT (strcmp (result, "1.750000e+00 33") == 0
1760 || strcmp (result, "1.750000e+000 33") == 0);
1761 ASSERT (retval == strlen (result));
1767 my_snprintf (result, sizeof (result), "%#.e %d", 1.75, 33, 44, 55);
1768 ASSERT (strcmp (result, "2.e+00 33") == 0
1769 || strcmp (result, "2.e+000 33") == 0);
1770 ASSERT (retval == strlen (result));
1776 my_snprintf (result, sizeof (result), "%#.e %d", 9.75, 33, 44, 55);
1777 ASSERT (strcmp (result, "1.e+01 33") == 0
1778 || strcmp (result, "1.e+001 33") == 0);
1779 ASSERT (retval == strlen (result));
1782 { /* FLAG_ZERO with finite number. */
1785 my_snprintf (result, sizeof (result), "%015e %d", 1234.0, 33, 44, 55);
1786 ASSERT (strcmp (result, "0001.234000e+03 33") == 0
1787 || strcmp (result, "001.234000e+003 33") == 0);
1788 ASSERT (retval == strlen (result));
1791 { /* FLAG_ZERO with infinite number. */
1794 my_snprintf (result, sizeof (result), "%015e %d", -1.0 / 0.0, 33, 44, 55);
1795 ASSERT (strcmp (result, " -inf 33") == 0
1796 || strcmp (result, " -infinity 33") == 0);
1797 ASSERT (retval == strlen (result));
1800 { /* FLAG_ZERO with NaN. */
1803 my_snprintf (result, sizeof (result), "%050e %d", NaN (), 33, 44, 55);
1804 ASSERT (strlen (result) == 50 + 3
1805 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
1806 && strcmp (result + strlen (result) - 3, " 33") == 0);
1807 ASSERT (retval == strlen (result));
1813 my_snprintf (result, sizeof (result), "%.e %d", 1234.0, 33, 44, 55);
1814 ASSERT (strcmp (result, "1e+03 33") == 0
1815 || strcmp (result, "1e+003 33") == 0);
1816 ASSERT (retval == strlen (result));
1819 { /* A positive number. */
1822 my_snprintf (result, sizeof (result), "%Le %d", 12.75L, 33, 44, 55);
1823 ASSERT (strcmp (result, "1.275000e+01 33") == 0);
1824 ASSERT (retval == strlen (result));
1827 { /* A larger positive number. */
1830 my_snprintf (result, sizeof (result), "%Le %d", 1234567.0L, 33, 44, 55);
1831 ASSERT (strcmp (result, "1.234567e+06 33") == 0);
1832 ASSERT (retval == strlen (result));
1835 { /* Small and large positive numbers. */
1836 static struct { long double value; const char *string; } data[] =
1838 { 1.234321234321234e-37L, "1.234321e-37" },
1839 { 1.234321234321234e-36L, "1.234321e-36" },
1840 { 1.234321234321234e-35L, "1.234321e-35" },
1841 { 1.234321234321234e-34L, "1.234321e-34" },
1842 { 1.234321234321234e-33L, "1.234321e-33" },
1843 { 1.234321234321234e-32L, "1.234321e-32" },
1844 { 1.234321234321234e-31L, "1.234321e-31" },
1845 { 1.234321234321234e-30L, "1.234321e-30" },
1846 { 1.234321234321234e-29L, "1.234321e-29" },
1847 { 1.234321234321234e-28L, "1.234321e-28" },
1848 { 1.234321234321234e-27L, "1.234321e-27" },
1849 { 1.234321234321234e-26L, "1.234321e-26" },
1850 { 1.234321234321234e-25L, "1.234321e-25" },
1851 { 1.234321234321234e-24L, "1.234321e-24" },
1852 { 1.234321234321234e-23L, "1.234321e-23" },
1853 { 1.234321234321234e-22L, "1.234321e-22" },
1854 { 1.234321234321234e-21L, "1.234321e-21" },
1855 { 1.234321234321234e-20L, "1.234321e-20" },
1856 { 1.234321234321234e-19L, "1.234321e-19" },
1857 { 1.234321234321234e-18L, "1.234321e-18" },
1858 { 1.234321234321234e-17L, "1.234321e-17" },
1859 { 1.234321234321234e-16L, "1.234321e-16" },
1860 { 1.234321234321234e-15L, "1.234321e-15" },
1861 { 1.234321234321234e-14L, "1.234321e-14" },
1862 { 1.234321234321234e-13L, "1.234321e-13" },
1863 { 1.234321234321234e-12L, "1.234321e-12" },
1864 { 1.234321234321234e-11L, "1.234321e-11" },
1865 { 1.234321234321234e-10L, "1.234321e-10" },
1866 { 1.234321234321234e-9L, "1.234321e-09" },
1867 { 1.234321234321234e-8L, "1.234321e-08" },
1868 { 1.234321234321234e-7L, "1.234321e-07" },
1869 { 1.234321234321234e-6L, "1.234321e-06" },
1870 { 1.234321234321234e-5L, "1.234321e-05" },
1871 { 1.234321234321234e-4L, "1.234321e-04" },
1872 { 1.234321234321234e-3L, "1.234321e-03" },
1873 { 1.234321234321234e-2L, "1.234321e-02" },
1874 { 1.234321234321234e-1L, "1.234321e-01" },
1875 { 1.234321234321234L, "1.234321e+00" },
1876 { 1.234321234321234e1L, "1.234321e+01" },
1877 { 1.234321234321234e2L, "1.234321e+02" },
1878 { 1.234321234321234e3L, "1.234321e+03" },
1879 { 1.234321234321234e4L, "1.234321e+04" },
1880 { 1.234321234321234e5L, "1.234321e+05" },
1881 { 1.234321234321234e6L, "1.234321e+06" },
1882 { 1.234321234321234e7L, "1.234321e+07" },
1883 { 1.234321234321234e8L, "1.234321e+08" },
1884 { 1.234321234321234e9L, "1.234321e+09" },
1885 { 1.234321234321234e10L, "1.234321e+10" },
1886 { 1.234321234321234e11L, "1.234321e+11" },
1887 { 1.234321234321234e12L, "1.234321e+12" },
1888 { 1.234321234321234e13L, "1.234321e+13" },
1889 { 1.234321234321234e14L, "1.234321e+14" },
1890 { 1.234321234321234e15L, "1.234321e+15" },
1891 { 1.234321234321234e16L, "1.234321e+16" },
1892 { 1.234321234321234e17L, "1.234321e+17" },
1893 { 1.234321234321234e18L, "1.234321e+18" },
1894 { 1.234321234321234e19L, "1.234321e+19" },
1895 { 1.234321234321234e20L, "1.234321e+20" },
1896 { 1.234321234321234e21L, "1.234321e+21" },
1897 { 1.234321234321234e22L, "1.234321e+22" },
1898 { 1.234321234321234e23L, "1.234321e+23" },
1899 { 1.234321234321234e24L, "1.234321e+24" },
1900 { 1.234321234321234e25L, "1.234321e+25" },
1901 { 1.234321234321234e26L, "1.234321e+26" },
1902 { 1.234321234321234e27L, "1.234321e+27" },
1903 { 1.234321234321234e28L, "1.234321e+28" },
1904 { 1.234321234321234e29L, "1.234321e+29" },
1905 { 1.234321234321234e30L, "1.234321e+30" },
1906 { 1.234321234321234e31L, "1.234321e+31" },
1907 { 1.234321234321234e32L, "1.234321e+32" },
1908 { 1.234321234321234e33L, "1.234321e+33" },
1909 { 1.234321234321234e34L, "1.234321e+34" },
1910 { 1.234321234321234e35L, "1.234321e+35" },
1911 { 1.234321234321234e36L, "1.234321e+36" }
1914 for (k = 0; k < SIZEOF (data); k++)
1918 my_snprintf (result, sizeof (result), "%Le", data[k].value);
1919 ASSERT (strcmp (result, data[k].string) == 0);
1920 ASSERT (retval == strlen (result));
1924 { /* A negative number. */
1927 my_snprintf (result, sizeof (result), "%Le %d", -0.03125L, 33, 44, 55);
1928 ASSERT (strcmp (result, "-3.125000e-02 33") == 0);
1929 ASSERT (retval == strlen (result));
1932 { /* Positive zero. */
1935 my_snprintf (result, sizeof (result), "%Le %d", 0.0L, 33, 44, 55);
1936 ASSERT (strcmp (result, "0.000000e+00 33") == 0);
1937 ASSERT (retval == strlen (result));
1940 { /* Negative zero. */
1943 my_snprintf (result, sizeof (result), "%Le %d", -0.0L, 33, 44, 55);
1944 if (have_minus_zero ())
1945 ASSERT (strcmp (result, "-0.000000e+00 33") == 0);
1946 ASSERT (retval == strlen (result));
1949 { /* Positive infinity. */
1952 my_snprintf (result, sizeof (result), "%Le %d", 1.0L / 0.0L, 33, 44, 55);
1953 ASSERT (strcmp (result, "inf 33") == 0
1954 || strcmp (result, "infinity 33") == 0);
1955 ASSERT (retval == strlen (result));
1958 { /* Negative infinity. */
1961 my_snprintf (result, sizeof (result), "%Le %d", -1.0L / 0.0L, 33, 44, 55);
1962 ASSERT (strcmp (result, "-inf 33") == 0
1963 || strcmp (result, "-infinity 33") == 0);
1964 ASSERT (retval == strlen (result));
1968 static long double zero = 0.0L;
1971 my_snprintf (result, sizeof (result), "%Le %d", zero / zero, 33, 44, 55);
1972 ASSERT (strlen (result) >= 3 + 3
1973 && strisnan (result, 0, strlen (result) - 3, 0)
1974 && strcmp (result + strlen (result) - 3, " 33") == 0);
1975 ASSERT (retval == strlen (result));
1977 #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_))
1979 static union { unsigned int word[4]; long double value; } x =
1980 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
1983 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1984 ASSERT (strlen (result) >= 3 + 3
1985 && strisnan (result, 0, strlen (result) - 3, 0)
1986 && strcmp (result + strlen (result) - 3, " 33") == 0);
1987 ASSERT (retval == strlen (result));
1990 /* Signalling NaN. */
1991 static union { unsigned int word[4]; long double value; } x =
1992 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
1995 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
1996 ASSERT (strlen (result) >= 3 + 3
1997 && strisnan (result, 0, strlen (result) - 3, 0)
1998 && strcmp (result + strlen (result) - 3, " 33") == 0);
1999 ASSERT (retval == strlen (result));
2001 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2002 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2003 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2004 Application Architecture.
2005 Table 5-2 "Floating-Point Register Encodings"
2006 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2009 static union { unsigned int word[4]; long double value; } x =
2010 { LDBL80_WORDS (0xFFFF, 0x40000001, 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-Infinity. */
2020 static union { unsigned int word[4]; long double value; } x =
2021 { LDBL80_WORDS (0xFFFF, 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 { /* Pseudo-Zero. */
2031 static union { unsigned int word[4]; long double value; } x =
2032 { LDBL80_WORDS (0x4004, 0x00000000, 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 { /* Unnormalized number. */
2042 static union { unsigned int word[4]; long double value; } x =
2043 { LDBL80_WORDS (0x4000, 0x63333333, 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));
2052 { /* Pseudo-Denormal. */
2053 static union { unsigned int word[4]; long double value; } x =
2054 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2057 my_snprintf (result, sizeof (result), "%Le %d", x.value, 33, 44, 55);
2058 ASSERT (strlen (result) >= 3 + 3
2059 && strisnan (result, 0, strlen (result) - 3, 0)
2060 && strcmp (result + strlen (result) - 3, " 33") == 0);
2061 ASSERT (retval == strlen (result));
2068 my_snprintf (result, sizeof (result), "%15Le %d", 1.75L, 33, 44, 55);
2069 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2070 ASSERT (retval == strlen (result));
2076 my_snprintf (result, sizeof (result), "%-15Le %d", 1.75L, 33, 44, 55);
2077 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2078 ASSERT (retval == strlen (result));
2081 { /* FLAG_SHOWSIGN. */
2084 my_snprintf (result, sizeof (result), "%+Le %d", 1.75L, 33, 44, 55);
2085 ASSERT (strcmp (result, "+1.750000e+00 33") == 0);
2086 ASSERT (retval == strlen (result));
2092 my_snprintf (result, sizeof (result), "% Le %d", 1.75L, 33, 44, 55);
2093 ASSERT (strcmp (result, " 1.750000e+00 33") == 0);
2094 ASSERT (retval == strlen (result));
2100 my_snprintf (result, sizeof (result), "%#Le %d", 1.75L, 33, 44, 55);
2101 ASSERT (strcmp (result, "1.750000e+00 33") == 0);
2102 ASSERT (retval == strlen (result));
2108 my_snprintf (result, sizeof (result), "%#.Le %d", 1.75L, 33, 44, 55);
2109 ASSERT (strcmp (result, "2.e+00 33") == 0);
2110 ASSERT (retval == strlen (result));
2116 my_snprintf (result, sizeof (result), "%#.Le %d", 9.75L, 33, 44, 55);
2117 ASSERT (strcmp (result, "1.e+01 33") == 0);
2118 ASSERT (retval == strlen (result));
2121 { /* FLAG_ZERO with finite number. */
2124 my_snprintf (result, sizeof (result), "%015Le %d", 1234.0L, 33, 44, 55);
2125 ASSERT (strcmp (result, "0001.234000e+03 33") == 0);
2126 ASSERT (retval == strlen (result));
2129 { /* FLAG_ZERO with infinite number. */
2132 my_snprintf (result, sizeof (result), "%015Le %d", -1.0L / 0.0L, 33, 44, 55);
2133 ASSERT (strcmp (result, " -inf 33") == 0
2134 || strcmp (result, " -infinity 33") == 0);
2135 ASSERT (retval == strlen (result));
2138 { /* FLAG_ZERO with NaN. */
2139 static long double zero = 0.0L;
2142 my_snprintf (result, sizeof (result), "%050Le %d", zero / zero, 33, 44, 55);
2143 ASSERT (strlen (result) == 50 + 3
2144 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2145 && strcmp (result + strlen (result) - 3, " 33") == 0);
2146 ASSERT (retval == strlen (result));
2152 my_snprintf (result, sizeof (result), "%.Le %d", 1234.0L, 33, 44, 55);
2153 ASSERT (strcmp (result, "1e+03 33") == 0);
2154 ASSERT (retval == strlen (result));
2157 /* Test the support of the %g format directive. */
2159 { /* A positive number. */
2162 my_snprintf (result, sizeof (result), "%g %d", 12.75, 33, 44, 55);
2163 ASSERT (strcmp (result, "12.75 33") == 0);
2164 ASSERT (retval == strlen (result));
2167 { /* A larger positive number. */
2170 my_snprintf (result, sizeof (result), "%g %d", 1234567.0, 33, 44, 55);
2171 ASSERT (strcmp (result, "1.23457e+06 33") == 0
2172 || strcmp (result, "1.23457e+006 33") == 0);
2173 ASSERT (retval == strlen (result));
2176 { /* Small and large positive numbers. */
2177 static struct { double value; const char *string; } data[] =
2179 { 1.234321234321234e-37, "1.23432e-37" },
2180 { 1.234321234321234e-36, "1.23432e-36" },
2181 { 1.234321234321234e-35, "1.23432e-35" },
2182 { 1.234321234321234e-34, "1.23432e-34" },
2183 { 1.234321234321234e-33, "1.23432e-33" },
2184 { 1.234321234321234e-32, "1.23432e-32" },
2185 { 1.234321234321234e-31, "1.23432e-31" },
2186 { 1.234321234321234e-30, "1.23432e-30" },
2187 { 1.234321234321234e-29, "1.23432e-29" },
2188 { 1.234321234321234e-28, "1.23432e-28" },
2189 { 1.234321234321234e-27, "1.23432e-27" },
2190 { 1.234321234321234e-26, "1.23432e-26" },
2191 { 1.234321234321234e-25, "1.23432e-25" },
2192 { 1.234321234321234e-24, "1.23432e-24" },
2193 { 1.234321234321234e-23, "1.23432e-23" },
2194 { 1.234321234321234e-22, "1.23432e-22" },
2195 { 1.234321234321234e-21, "1.23432e-21" },
2196 { 1.234321234321234e-20, "1.23432e-20" },
2197 { 1.234321234321234e-19, "1.23432e-19" },
2198 { 1.234321234321234e-18, "1.23432e-18" },
2199 { 1.234321234321234e-17, "1.23432e-17" },
2200 { 1.234321234321234e-16, "1.23432e-16" },
2201 { 1.234321234321234e-15, "1.23432e-15" },
2202 { 1.234321234321234e-14, "1.23432e-14" },
2203 { 1.234321234321234e-13, "1.23432e-13" },
2204 { 1.234321234321234e-12, "1.23432e-12" },
2205 { 1.234321234321234e-11, "1.23432e-11" },
2206 { 1.234321234321234e-10, "1.23432e-10" },
2207 { 1.234321234321234e-9, "1.23432e-09" },
2208 { 1.234321234321234e-8, "1.23432e-08" },
2209 { 1.234321234321234e-7, "1.23432e-07" },
2210 { 1.234321234321234e-6, "1.23432e-06" },
2211 { 1.234321234321234e-5, "1.23432e-05" },
2212 { 1.234321234321234e-4, "0.000123432" },
2213 { 1.234321234321234e-3, "0.00123432" },
2214 { 1.234321234321234e-2, "0.0123432" },
2215 { 1.234321234321234e-1, "0.123432" },
2216 { 1.234321234321234, "1.23432" },
2217 { 1.234321234321234e1, "12.3432" },
2218 { 1.234321234321234e2, "123.432" },
2219 { 1.234321234321234e3, "1234.32" },
2220 { 1.234321234321234e4, "12343.2" },
2221 { 1.234321234321234e5, "123432" },
2222 { 1.234321234321234e6, "1.23432e+06" },
2223 { 1.234321234321234e7, "1.23432e+07" },
2224 { 1.234321234321234e8, "1.23432e+08" },
2225 { 1.234321234321234e9, "1.23432e+09" },
2226 { 1.234321234321234e10, "1.23432e+10" },
2227 { 1.234321234321234e11, "1.23432e+11" },
2228 { 1.234321234321234e12, "1.23432e+12" },
2229 { 1.234321234321234e13, "1.23432e+13" },
2230 { 1.234321234321234e14, "1.23432e+14" },
2231 { 1.234321234321234e15, "1.23432e+15" },
2232 { 1.234321234321234e16, "1.23432e+16" },
2233 { 1.234321234321234e17, "1.23432e+17" },
2234 { 1.234321234321234e18, "1.23432e+18" },
2235 { 1.234321234321234e19, "1.23432e+19" },
2236 { 1.234321234321234e20, "1.23432e+20" },
2237 { 1.234321234321234e21, "1.23432e+21" },
2238 { 1.234321234321234e22, "1.23432e+22" },
2239 { 1.234321234321234e23, "1.23432e+23" },
2240 { 1.234321234321234e24, "1.23432e+24" },
2241 { 1.234321234321234e25, "1.23432e+25" },
2242 { 1.234321234321234e26, "1.23432e+26" },
2243 { 1.234321234321234e27, "1.23432e+27" },
2244 { 1.234321234321234e28, "1.23432e+28" },
2245 { 1.234321234321234e29, "1.23432e+29" },
2246 { 1.234321234321234e30, "1.23432e+30" },
2247 { 1.234321234321234e31, "1.23432e+31" },
2248 { 1.234321234321234e32, "1.23432e+32" },
2249 { 1.234321234321234e33, "1.23432e+33" },
2250 { 1.234321234321234e34, "1.23432e+34" },
2251 { 1.234321234321234e35, "1.23432e+35" },
2252 { 1.234321234321234e36, "1.23432e+36" }
2255 for (k = 0; k < SIZEOF (data); k++)
2259 my_snprintf (result, sizeof (result), "%g", data[k].value);
2260 const char *expected = data[k].string;
2261 ASSERT (strcmp (result, expected) == 0
2262 /* Some implementations produce exponents with 3 digits. */
2263 || (expected[strlen (expected) - 4] == 'e'
2264 && strlen (result) == strlen (expected) + 1
2265 && memcmp (result, expected, strlen (expected) - 2) == 0
2266 && result[strlen (expected) - 2] == '0'
2267 && strcmp (result + strlen (expected) - 1,
2268 expected + strlen (expected) - 2)
2270 ASSERT (retval == strlen (result));
2274 { /* A negative number. */
2277 my_snprintf (result, sizeof (result), "%g %d", -0.03125, 33, 44, 55);
2278 ASSERT (strcmp (result, "-0.03125 33") == 0);
2279 ASSERT (retval == strlen (result));
2282 { /* Positive zero. */
2285 my_snprintf (result, sizeof (result), "%g %d", 0.0, 33, 44, 55);
2286 ASSERT (strcmp (result, "0 33") == 0);
2287 ASSERT (retval == strlen (result));
2290 { /* Negative zero. */
2293 my_snprintf (result, sizeof (result), "%g %d", -0.0, 33, 44, 55);
2294 if (have_minus_zero ())
2295 ASSERT (strcmp (result, "-0 33") == 0);
2296 ASSERT (retval == strlen (result));
2299 { /* Positive infinity. */
2302 my_snprintf (result, sizeof (result), "%g %d", 1.0 / 0.0, 33, 44, 55);
2303 ASSERT (strcmp (result, "inf 33") == 0
2304 || strcmp (result, "infinity 33") == 0);
2305 ASSERT (retval == strlen (result));
2308 { /* Negative infinity. */
2311 my_snprintf (result, sizeof (result), "%g %d", -1.0 / 0.0, 33, 44, 55);
2312 ASSERT (strcmp (result, "-inf 33") == 0
2313 || strcmp (result, "-infinity 33") == 0);
2314 ASSERT (retval == strlen (result));
2320 my_snprintf (result, sizeof (result), "%g %d", NaN (), 33, 44, 55);
2321 ASSERT (strlen (result) >= 3 + 3
2322 && strisnan (result, 0, strlen (result) - 3, 0)
2323 && strcmp (result + strlen (result) - 3, " 33") == 0);
2324 ASSERT (retval == strlen (result));
2330 my_snprintf (result, sizeof (result), "%10g %d", 1.75, 33, 44, 55);
2331 ASSERT (strcmp (result, " 1.75 33") == 0);
2332 ASSERT (retval == strlen (result));
2338 my_snprintf (result, sizeof (result), "%-10g %d", 1.75, 33, 44, 55);
2339 ASSERT (strcmp (result, "1.75 33") == 0);
2340 ASSERT (retval == strlen (result));
2343 { /* FLAG_SHOWSIGN. */
2346 my_snprintf (result, sizeof (result), "%+g %d", 1.75, 33, 44, 55);
2347 ASSERT (strcmp (result, "+1.75 33") == 0);
2348 ASSERT (retval == strlen (result));
2354 my_snprintf (result, sizeof (result), "% g %d", 1.75, 33, 44, 55);
2355 ASSERT (strcmp (result, " 1.75 33") == 0);
2356 ASSERT (retval == strlen (result));
2362 my_snprintf (result, sizeof (result), "%#g %d", 1.75, 33, 44, 55);
2363 ASSERT (strcmp (result, "1.75000 33") == 0);
2364 ASSERT (retval == strlen (result));
2370 my_snprintf (result, sizeof (result), "%#.g %d", 1.75, 33, 44, 55);
2371 ASSERT (strcmp (result, "2. 33") == 0);
2372 ASSERT (retval == strlen (result));
2378 my_snprintf (result, sizeof (result), "%#.g %d", 9.75, 33, 44, 55);
2379 ASSERT (strcmp (result, "1.e+01 33") == 0
2380 || strcmp (result, "1.e+001 33") == 0);
2381 ASSERT (retval == strlen (result));
2384 { /* FLAG_ZERO with finite number. */
2387 my_snprintf (result, sizeof (result), "%010g %d", 1234.0, 33, 44, 55);
2388 ASSERT (strcmp (result, "0000001234 33") == 0);
2389 ASSERT (retval == strlen (result));
2392 { /* FLAG_ZERO with infinite number. */
2395 my_snprintf (result, sizeof (result), "%015g %d", -1.0 / 0.0, 33, 44, 55);
2396 ASSERT (strcmp (result, " -inf 33") == 0
2397 || strcmp (result, " -infinity 33") == 0);
2398 ASSERT (retval == strlen (result));
2401 { /* FLAG_ZERO with NaN. */
2404 my_snprintf (result, sizeof (result), "%050g %d", NaN (), 33, 44, 55);
2405 ASSERT (strlen (result) == 50 + 3
2406 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2407 && strcmp (result + strlen (result) - 3, " 33") == 0);
2408 ASSERT (retval == strlen (result));
2414 my_snprintf (result, sizeof (result), "%.g %d", 1234.0, 33, 44, 55);
2415 ASSERT (strcmp (result, "1e+03 33") == 0
2416 || strcmp (result, "1e+003 33") == 0);
2417 ASSERT (retval == strlen (result));
2420 { /* A positive number. */
2423 my_snprintf (result, sizeof (result), "%Lg %d", 12.75L, 33, 44, 55);
2424 ASSERT (strcmp (result, "12.75 33") == 0);
2425 ASSERT (retval == strlen (result));
2428 { /* A larger positive number. */
2431 my_snprintf (result, sizeof (result), "%Lg %d", 1234567.0L, 33, 44, 55);
2432 ASSERT (strcmp (result, "1.23457e+06 33") == 0);
2433 ASSERT (retval == strlen (result));
2436 { /* Small and large positive numbers. */
2437 static struct { long double value; const char *string; } data[] =
2439 { 1.234321234321234e-37L, "1.23432e-37" },
2440 { 1.234321234321234e-36L, "1.23432e-36" },
2441 { 1.234321234321234e-35L, "1.23432e-35" },
2442 { 1.234321234321234e-34L, "1.23432e-34" },
2443 { 1.234321234321234e-33L, "1.23432e-33" },
2444 { 1.234321234321234e-32L, "1.23432e-32" },
2445 { 1.234321234321234e-31L, "1.23432e-31" },
2446 { 1.234321234321234e-30L, "1.23432e-30" },
2447 { 1.234321234321234e-29L, "1.23432e-29" },
2448 { 1.234321234321234e-28L, "1.23432e-28" },
2449 { 1.234321234321234e-27L, "1.23432e-27" },
2450 { 1.234321234321234e-26L, "1.23432e-26" },
2451 { 1.234321234321234e-25L, "1.23432e-25" },
2452 { 1.234321234321234e-24L, "1.23432e-24" },
2453 { 1.234321234321234e-23L, "1.23432e-23" },
2454 { 1.234321234321234e-22L, "1.23432e-22" },
2455 { 1.234321234321234e-21L, "1.23432e-21" },
2456 { 1.234321234321234e-20L, "1.23432e-20" },
2457 { 1.234321234321234e-19L, "1.23432e-19" },
2458 { 1.234321234321234e-18L, "1.23432e-18" },
2459 { 1.234321234321234e-17L, "1.23432e-17" },
2460 { 1.234321234321234e-16L, "1.23432e-16" },
2461 { 1.234321234321234e-15L, "1.23432e-15" },
2462 { 1.234321234321234e-14L, "1.23432e-14" },
2463 { 1.234321234321234e-13L, "1.23432e-13" },
2464 { 1.234321234321234e-12L, "1.23432e-12" },
2465 { 1.234321234321234e-11L, "1.23432e-11" },
2466 { 1.234321234321234e-10L, "1.23432e-10" },
2467 { 1.234321234321234e-9L, "1.23432e-09" },
2468 { 1.234321234321234e-8L, "1.23432e-08" },
2469 { 1.234321234321234e-7L, "1.23432e-07" },
2470 { 1.234321234321234e-6L, "1.23432e-06" },
2471 { 1.234321234321234e-5L, "1.23432e-05" },
2472 { 1.234321234321234e-4L, "0.000123432" },
2473 { 1.234321234321234e-3L, "0.00123432" },
2474 { 1.234321234321234e-2L, "0.0123432" },
2475 { 1.234321234321234e-1L, "0.123432" },
2476 { 1.234321234321234L, "1.23432" },
2477 { 1.234321234321234e1L, "12.3432" },
2478 { 1.234321234321234e2L, "123.432" },
2479 { 1.234321234321234e3L, "1234.32" },
2480 { 1.234321234321234e4L, "12343.2" },
2481 { 1.234321234321234e5L, "123432" },
2482 { 1.234321234321234e6L, "1.23432e+06" },
2483 { 1.234321234321234e7L, "1.23432e+07" },
2484 { 1.234321234321234e8L, "1.23432e+08" },
2485 { 1.234321234321234e9L, "1.23432e+09" },
2486 { 1.234321234321234e10L, "1.23432e+10" },
2487 { 1.234321234321234e11L, "1.23432e+11" },
2488 { 1.234321234321234e12L, "1.23432e+12" },
2489 { 1.234321234321234e13L, "1.23432e+13" },
2490 { 1.234321234321234e14L, "1.23432e+14" },
2491 { 1.234321234321234e15L, "1.23432e+15" },
2492 { 1.234321234321234e16L, "1.23432e+16" },
2493 { 1.234321234321234e17L, "1.23432e+17" },
2494 { 1.234321234321234e18L, "1.23432e+18" },
2495 { 1.234321234321234e19L, "1.23432e+19" },
2496 { 1.234321234321234e20L, "1.23432e+20" },
2497 { 1.234321234321234e21L, "1.23432e+21" },
2498 { 1.234321234321234e22L, "1.23432e+22" },
2499 { 1.234321234321234e23L, "1.23432e+23" },
2500 { 1.234321234321234e24L, "1.23432e+24" },
2501 { 1.234321234321234e25L, "1.23432e+25" },
2502 { 1.234321234321234e26L, "1.23432e+26" },
2503 { 1.234321234321234e27L, "1.23432e+27" },
2504 { 1.234321234321234e28L, "1.23432e+28" },
2505 { 1.234321234321234e29L, "1.23432e+29" },
2506 { 1.234321234321234e30L, "1.23432e+30" },
2507 { 1.234321234321234e31L, "1.23432e+31" },
2508 { 1.234321234321234e32L, "1.23432e+32" },
2509 { 1.234321234321234e33L, "1.23432e+33" },
2510 { 1.234321234321234e34L, "1.23432e+34" },
2511 { 1.234321234321234e35L, "1.23432e+35" },
2512 { 1.234321234321234e36L, "1.23432e+36" }
2515 for (k = 0; k < SIZEOF (data); k++)
2519 my_snprintf (result, sizeof (result), "%Lg", data[k].value);
2520 ASSERT (strcmp (result, data[k].string) == 0);
2521 ASSERT (retval == strlen (result));
2525 { /* A negative number. */
2528 my_snprintf (result, sizeof (result), "%Lg %d", -0.03125L, 33, 44, 55);
2529 ASSERT (strcmp (result, "-0.03125 33") == 0);
2530 ASSERT (retval == strlen (result));
2533 { /* Positive zero. */
2536 my_snprintf (result, sizeof (result), "%Lg %d", 0.0L, 33, 44, 55);
2537 ASSERT (strcmp (result, "0 33") == 0);
2538 ASSERT (retval == strlen (result));
2541 { /* Negative zero. */
2544 my_snprintf (result, sizeof (result), "%Lg %d", -0.0L, 33, 44, 55);
2545 if (have_minus_zero ())
2546 ASSERT (strcmp (result, "-0 33") == 0);
2547 ASSERT (retval == strlen (result));
2550 { /* Positive infinity. */
2553 my_snprintf (result, sizeof (result), "%Lg %d", 1.0L / 0.0L, 33, 44, 55);
2554 ASSERT (strcmp (result, "inf 33") == 0
2555 || strcmp (result, "infinity 33") == 0);
2556 ASSERT (retval == strlen (result));
2559 { /* Negative infinity. */
2562 my_snprintf (result, sizeof (result), "%Lg %d", -1.0L / 0.0L, 33, 44, 55);
2563 ASSERT (strcmp (result, "-inf 33") == 0
2564 || strcmp (result, "-infinity 33") == 0);
2565 ASSERT (retval == strlen (result));
2569 static long double zero = 0.0L;
2572 my_snprintf (result, sizeof (result), "%Lg %d", zero / zero, 33, 44, 55);
2573 ASSERT (strlen (result) >= 3 + 3
2574 && strisnan (result, 0, strlen (result) - 3, 0)
2575 && strcmp (result + strlen (result) - 3, " 33") == 0);
2576 ASSERT (retval == strlen (result));
2578 #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_))
2580 static union { unsigned int word[4]; long double value; } x =
2581 { LDBL80_WORDS (0xFFFF, 0xC3333333, 0x00000000) };
2584 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2585 ASSERT (strlen (result) >= 3 + 3
2586 && strisnan (result, 0, strlen (result) - 3, 0)
2587 && strcmp (result + strlen (result) - 3, " 33") == 0);
2588 ASSERT (retval == strlen (result));
2591 /* Signalling NaN. */
2592 static union { unsigned int word[4]; long double value; } x =
2593 { LDBL80_WORDS (0xFFFF, 0x83333333, 0x00000000) };
2596 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2597 ASSERT (strlen (result) >= 3 + 3
2598 && strisnan (result, 0, strlen (result) - 3, 0)
2599 && strcmp (result + strlen (result) - 3, " 33") == 0);
2600 ASSERT (retval == strlen (result));
2602 /* The isnanl function should recognize Pseudo-NaNs, Pseudo-Infinities,
2603 Pseudo-Zeroes, Unnormalized Numbers, and Pseudo-Denormals, as defined in
2604 Intel IA-64 Architecture Software Developer's Manual, Volume 1:
2605 Application Architecture.
2606 Table 5-2 "Floating-Point Register Encodings"
2607 Figure 5-6 "Memory to Floating-Point Register Data Translation"
2610 static union { unsigned int word[4]; long double value; } x =
2611 { LDBL80_WORDS (0xFFFF, 0x40000001, 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-Infinity. */
2621 static union { unsigned int word[4]; long double value; } x =
2622 { LDBL80_WORDS (0xFFFF, 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 { /* Pseudo-Zero. */
2632 static union { unsigned int word[4]; long double value; } x =
2633 { LDBL80_WORDS (0x4004, 0x00000000, 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 { /* Unnormalized number. */
2643 static union { unsigned int word[4]; long double value; } x =
2644 { LDBL80_WORDS (0x4000, 0x63333333, 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));
2653 { /* Pseudo-Denormal. */
2654 static union { unsigned int word[4]; long double value; } x =
2655 { LDBL80_WORDS (0x0000, 0x83333333, 0x00000000) };
2658 my_snprintf (result, sizeof (result), "%Lg %d", x.value, 33, 44, 55);
2659 ASSERT (strlen (result) >= 3 + 3
2660 && strisnan (result, 0, strlen (result) - 3, 0)
2661 && strcmp (result + strlen (result) - 3, " 33") == 0);
2662 ASSERT (retval == strlen (result));
2669 my_snprintf (result, sizeof (result), "%10Lg %d", 1.75L, 33, 44, 55);
2670 ASSERT (strcmp (result, " 1.75 33") == 0);
2671 ASSERT (retval == strlen (result));
2677 my_snprintf (result, sizeof (result), "%-10Lg %d", 1.75L, 33, 44, 55);
2678 ASSERT (strcmp (result, "1.75 33") == 0);
2679 ASSERT (retval == strlen (result));
2682 { /* FLAG_SHOWSIGN. */
2685 my_snprintf (result, sizeof (result), "%+Lg %d", 1.75L, 33, 44, 55);
2686 ASSERT (strcmp (result, "+1.75 33") == 0);
2687 ASSERT (retval == strlen (result));
2693 my_snprintf (result, sizeof (result), "% Lg %d", 1.75L, 33, 44, 55);
2694 ASSERT (strcmp (result, " 1.75 33") == 0);
2695 ASSERT (retval == strlen (result));
2701 my_snprintf (result, sizeof (result), "%#Lg %d", 1.75L, 33, 44, 55);
2702 ASSERT (strcmp (result, "1.75000 33") == 0);
2703 ASSERT (retval == strlen (result));
2709 my_snprintf (result, sizeof (result), "%#.Lg %d", 1.75L, 33, 44, 55);
2710 ASSERT (strcmp (result, "2. 33") == 0);
2711 ASSERT (retval == strlen (result));
2717 my_snprintf (result, sizeof (result), "%#.Lg %d", 9.75L, 33, 44, 55);
2718 ASSERT (strcmp (result, "1.e+01 33") == 0);
2719 ASSERT (retval == strlen (result));
2722 { /* FLAG_ZERO with finite number. */
2725 my_snprintf (result, sizeof (result), "%010Lg %d", 1234.0L, 33, 44, 55);
2726 ASSERT (strcmp (result, "0000001234 33") == 0);
2727 ASSERT (retval == strlen (result));
2730 { /* FLAG_ZERO with infinite number. */
2733 my_snprintf (result, sizeof (result), "%015Lg %d", -1.0L / 0.0L, 33, 44, 55);
2734 ASSERT (strcmp (result, " -inf 33") == 0
2735 || strcmp (result, " -infinity 33") == 0);
2736 ASSERT (retval == strlen (result));
2739 { /* FLAG_ZERO with NaN. */
2740 static long double zero = 0.0L;
2743 my_snprintf (result, sizeof (result), "%050Lg %d", zero / zero, 33, 44, 55);
2744 ASSERT (strlen (result) == 50 + 3
2745 && strisnan (result, strspn (result, " "), strlen (result) - 3, 0)
2746 && strcmp (result + strlen (result) - 3, " 33") == 0);
2747 ASSERT (retval == strlen (result));
2753 my_snprintf (result, sizeof (result), "%.Lg %d", 1234.0L, 33, 44, 55);
2754 ASSERT (strcmp (result, "1e+03 33") == 0);
2755 ASSERT (retval == strlen (result));
2758 /* Test the support of the %n format directive. */
2764 my_snprintf (result, sizeof (result), "%d %n", 123, &count, 33, 44, 55);
2765 ASSERT (strcmp (result, "123 ") == 0);
2766 ASSERT (retval == strlen (result));
2767 ASSERT (count == 4);
2770 /* Test the support of the POSIX/XSI format strings with positions. */
2775 my_snprintf (result, sizeof (result), "%2$d %1$d", 33, 55);
2776 ASSERT (strcmp (result, "55 33") == 0);
2777 ASSERT (retval == strlen (result));
2780 /* Test the support of the grouping flag. */
2785 my_snprintf (result, sizeof (result), "%'d %d", 1234567, 99);
2786 ASSERT (result[strlen (result) - 1] == '9');
2787 ASSERT (retval == strlen (result));