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glibc/stdio-common/tst-sprintf2.c
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#include <float.h> | |
#include <math.h> | |
#include <stdio.h> | |
#include <string.h> | |
static int | |
do_test (void) | |
{ | |
#if LDBL_MANT_DIG >= 106 | |
volatile union { long double l; long long x[2]; } u, v; | |
char buf[64]; | |
#endif | |
int result = 0; | |
#if LDBL_MANT_DIG == 106 || LDBL_MANT_DIG == 113 | |
# define COMPARE_LDBL(u, v) \ | |
((u).l == (v).l && (u).x[0] == (v).x[0] && (u).x[1] == (v).x[1]) | |
#else | |
# define COMPARE_LDBL(u, v) ((u).l == (v).l) | |
#endif | |
#define TEST(val) \ | |
do \ | |
{ \ | |
u.l = (val); \ | |
snprintf (buf, sizeof buf, "%LaL", u.l); \ | |
if (strcmp (buf, #val) != 0) \ | |
{ \ | |
printf ("Error on line %d: %s != %s\n", __LINE__, buf, #val); \ | |
result = 1; \ | |
} \ | |
if (sscanf (#val, "%La", &v.l) != 1 || !COMPARE_LDBL (u, v)) \ | |
{ \ | |
printf ("Error sscanf on line %d: %La != %La\n", __LINE__, \ | |
u.l, v.l); \ | |
result = 1; \ | |
} \ | |
/* printf ("%s %La %016Lx %016Lx\n", #val, u.l, u.x[0], u.x[1]); */ \ | |
} \ | |
while (0) | |
#if LDBL_MANT_DIG >= 106 | |
# if LDBL_MANT_DIG == 106 | |
TEST (0x0.ffffffffffffp-1022L); | |
TEST (0x0.ffffffffffff1p-1022L); | |
TEST (0x0.fffffffffffffp-1022L); | |
# endif | |
TEST (0x1p-1022L); | |
TEST (0x1.0000000000001p-1022L); | |
TEST (0x1.00000000001e7p-1022L); | |
TEST (0x1.fffffffffffffp-1022L); | |
TEST (0x1p-1021L); | |
TEST (0x1.00000000000008p-1021L); | |
TEST (0x1.0000000000001p-1021L); | |
TEST (0x1.00000000000018p-1021L); | |
TEST (0x1.0000000000000f8p-1017L); | |
TEST (0x1.0000000000001p-1017L); | |
TEST (0x1.000000000000108p-1017L); | |
TEST (0x1.000000000000dcf8p-1013L); | |
TEST (0x1.000000000000ddp-1013L); | |
TEST (0x1.000000000000dd08p-1013L); | |
TEST (0x1.ffffffffffffffffffffffffffp-1L); | |
TEST (0x1.ffffffffffffffffffffffffff8p-1L); | |
TEST (0x1p+0L); | |
TEST (0x1.000000000000000000000000008p+0L); | |
TEST (0x1.00000000000000000000000001p+0L); | |
TEST (0x1.000000000000000000000000018p+0L); | |
TEST (0x1.23456789abcdef123456789abc8p+0L); | |
TEST (0x1.23456789abcde7123456789abc8p+0L); | |
TEST (0x1.23456789abcdef123456789abc8p+64L); | |
TEST (0x1.23456789abcde7123456789abc8p+64L); | |
TEST (0x1.123456789abcdef123456789p-969L); | |
# if LDBL_MANT_DIG == 106 | |
TEST (-0x1.2d71957cc1263bbbeb1d365f1e8p-969L); | |
TEST (0x1.23456789abcdef0123456789abp-970L); | |
TEST (0x1.579bde02468acp-1001L); | |
TEST (0x0.abcdef0123456p-1022L); | |
TEST (0x1.abcdef0123456p-1022L); | |
TEST (0x1.abcdef012345678p-1014L); | |
TEST (0x1.abcdef0123456f8p-1014L); | |
# endif | |
#endif | |
return result; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |