lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-28 00:21:52 +03:00
Code Activity

.

Browse Source
This commit is contained in:
Jakub Jelinek
2007-07-31 13:33:18 +00:00
parent d6220e9ee3
commit 32c075e1f0
448 changed files with 13841 additions and 10982 deletions
Download Patch File Download Diff File Expand all files Collapse all files

74
math/test-misc.c
View File

@ -1,5 +1,5 @@
/* Miscellaneous tests which don't fit anywhere else.
Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc.
Copyright (C) 2000, 2001, 2004, 2005, 2007 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -44,7 +44,6 @@ main (void)
}
}
# if __GNUC__ >= 3 || __GNUC_MINOR__ >= 96
{
long double x;
long double m;
@ -52,17 +51,17 @@ main (void)
int e;
int i;
# if LDBL_MANT_DIG == 64
# if LDBL_MANT_DIG == 64
m = 0xf.fffffffffffffffp-4L;
# elif LDBL_MANT_DIG == 106
# elif LDBL_MANT_DIG == 106
/* This has to match the mantissa of LDBL_MAX which actually does have a
missing bit in the middle. */
m = 0x1.fffffffffffff7ffffffffffff8p-1L;
# elif LDBL_MANT_DIG == 113
# elif LDBL_MANT_DIG == 113
m = 0x1.ffffffffffffffffffffffffffffp-1L;
# else
# error "Please adjust"
# endif
# else
# error "Please adjust"
# endif
for (i = LDBL_MAX_EXP, x = LDBL_MAX; i >= LDBL_MIN_EXP; --i, x /= 2.0L)
{
@ -106,9 +105,8 @@ main (void)
}
}
# endif
#if 0
# if 0
{
int e;
long double r = frexpl (LDBL_MIN * LDBL_EPSILON, &e);
@ -126,7 +124,7 @@ main (void)
result = 1;
}
}
#endif
# endif
#endif
{
@ -1183,5 +1181,59 @@ main (void)
}
#endif
volatile float f1 = FLT_MAX;
volatile float f2 = FLT_MAX / 2;
(void) &f1;
(void) &f2;
feclearexcept (FE_ALL_EXCEPT);
f2 += f1;
int fe = fetestexcept (FE_ALL_EXCEPT);
if (fe != (FE_OVERFLOW | FE_INEXACT))
{
printf ("float overflow test failed: %x\n", fe);
result = 1;
}
volatile double d1 = DBL_MAX;
volatile double d2 = DBL_MAX / 2;
(void) &d1;
(void) &d2;
feclearexcept (FE_ALL_EXCEPT);
d2 += d1;
fe = fetestexcept (FE_ALL_EXCEPT);
if (fe != (FE_OVERFLOW | FE_INEXACT))
{
printf ("double overflow test failed: %x\n", fe);
result = 1;
}
#ifndef NO_LONG_DOUBLE
volatile long double ld1 = LDBL_MAX;
volatile long double ld2 = LDBL_MAX / 2;
(void) &ld1;
(void) &ld2;
feclearexcept (FE_ALL_EXCEPT);
ld2 += ld1;
fe = fetestexcept (FE_ALL_EXCEPT);
if (fe != (FE_OVERFLOW | FE_INEXACT))
{
printf ("long double overflow test failed: %x\n", fe);
result = 1;
}
#endif
#if !defined NO_LONG_DOUBLE && LDBL_MANT_DIG == 113
volatile long double ld3 = 0x1.0000000000010000000100000001p+1;
volatile long double ld4 = 0x1.0000000000000000000000000001p+1;
(void) &ld3;
(void) &ld4;
ld3 -= ld4;
if (ld3 != 0x1.0p-47)
{
printf ("long double subtraction test failed %.28La\n", ld3);
result = 1;
}
#endif
return result;
}