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authorUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
committerUlrich Drepper <drepper@redhat.com>2004-12-22 20:10:10 +0000
commita334319f6530564d22e775935d9c91663623a1b4 (patch)
treeb5877475619e4c938e98757d518bb1e9cbead751 /math/test-misc.c
parent0ecb606cb6cf65de1d9fc8a919bceb4be476c602 (diff)
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(CFLAGS-tst-align.c): Add -mpreferred-stack-boundary=4.
Diffstat (limited to 'math/test-misc.c')
-rw-r--r--math/test-misc.c114
1 files changed, 11 insertions, 103 deletions
diff --git a/math/test-misc.c b/math/test-misc.c
index 862e11f0c3..fa958d486c 100644
--- a/math/test-misc.c
+++ b/math/test-misc.c
@@ -1,5 +1,5 @@
/* Miscellaneous tests which don't fit anywhere else.
- Copyright (C) 2000, 2001, 2004, 2005, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2000, 2001 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
@@ -44,6 +44,7 @@ main (void)
}
}
+# if __GNUC__ >= 3 || __GNUC_MINOR__ >= 96
{
long double x;
long double m;
@@ -51,17 +52,17 @@ 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)
{
@@ -105,8 +106,9 @@ main (void)
}
}
+# endif
-# if 0
+#if 0
{
int e;
long double r = frexpl (LDBL_MIN * LDBL_EPSILON, &e);
@@ -124,7 +126,7 @@ main (void)
result = 1;
}
}
-# endif
+#endif
#endif
{
@@ -1141,99 +1143,5 @@ main (void)
}
#endif
- /* The tests here are very similar to tests earlier in this file,
- the important difference is just that there are no intervening
- union variables that cause some GCC versions to hide possible
- bugs in nextafter* implementation. */
- if (nextafterf (nextafterf (FLT_MIN, FLT_MIN / 2.0), FLT_MIN) != FLT_MIN)
- {
- puts ("nextafterf FLT_MIN test failed");
- result = 1;
- }
- if (nextafterf (nextafterf (-FLT_MIN, -FLT_MIN / 2.0), -FLT_MIN)
- != -FLT_MIN)
- {
- puts ("nextafterf -FLT_MIN test failed");
- result = 1;
- }
- if (nextafter (nextafter (DBL_MIN, DBL_MIN / 2.0), DBL_MIN) != DBL_MIN)
- {
- puts ("nextafter DBL_MIN test failed");
- result = 1;
- }
- if (nextafter (nextafter (-DBL_MIN, -DBL_MIN / 2.0), -DBL_MIN) != -DBL_MIN)
- {
- puts ("nextafter -DBL_MIN test failed");
- result = 1;
- }
-#ifndef NO_LONG_DOUBLE
- if (nextafterl (nextafterl (LDBL_MIN, LDBL_MIN / 2.0), LDBL_MIN)
- != LDBL_MIN)
- {
- puts ("nextafterl LDBL_MIN test failed");
- result = 1;
- }
- if (nextafterl (nextafterl (-LDBL_MIN, -LDBL_MIN / 2.0), -LDBL_MIN)
- != -LDBL_MIN)
- {
- puts ("nextafterl -LDBL_MIN test failed");
- result = 1;
- }
-#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;
}