From 0ecb606cb6cf65de1d9fc8a919bceb4be476c602 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Thu, 12 Jul 2007 18:26:36 +0000 Subject: 2.5-18.1 --- stdio-common/tst-sprintf2.c | 82 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 stdio-common/tst-sprintf2.c (limited to 'stdio-common/tst-sprintf2.c') diff --git a/stdio-common/tst-sprintf2.c b/stdio-common/tst-sprintf2.c new file mode 100644 index 0000000000..debb68e21f --- /dev/null +++ b/stdio-common/tst-sprintf2.c @@ -0,0 +1,82 @@ +#include +#include +#include +#include + +int +main (void) +{ + volatile union { long double l; long long x[2]; } u, v; + char buf[64]; + 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; +} -- cgit v1.2.3