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authorUlrich Drepper <drepper@redhat.com>2000-09-30 02:57:29 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-30 02:57:29 +0000
commit2b1ec034a247e5cf9018e4f29221104f20494e91 (patch)
tree84ffcec3004d0663aa8cd4d412bfac1ce4aa5ae2 /sysdeps/ia64
parentb4a555d6f48fac3c71c2f8022c1fb8e23919d94a (diff)
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Update.
2000-09-29 H.J. Lu <hjl@gnu.org> * sysdeps/ia64/fpu/libm-test-ulps: Updated for long double. 2000-09-29 H.J. Lu <hjl@gnu.org> * sysdeps/ia64/bits/huge_val.h: New file.
Diffstat (limited to 'sysdeps/ia64')
-rw-r--r--sysdeps/ia64/bits/huge_val.h81
-rw-r--r--sysdeps/ia64/fpu/libm-test-ulps15
2 files changed, 90 insertions, 6 deletions
diff --git a/sysdeps/ia64/bits/huge_val.h b/sysdeps/ia64/bits/huge_val.h
new file mode 100644
index 0000000000..1f1ff67b9f
--- /dev/null
+++ b/sysdeps/ia64/bits/huge_val.h
@@ -0,0 +1,81 @@
+/* `HUGE_VAL' constants for ia64 (where it is infinity).
+ Used by <stdlib.h> and <math.h> functions for overflow.
+ Copyright (C) 2000 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
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _MATH_H
+# error "Never use <bits/huge_val.h> directly; include <math.h> instead."
+#endif
+
+#include <features.h>
+
+/* IEEE positive infinity (-HUGE_VAL is negative infinity). */
+
+#if __GNUC_PREREQ(2,96)
+# define HUGE_VAL (__extension__ 0x1.0p2047)
+#else
+# define __HUGE_VAL_bytes { 0, 0, 0, 0, 0, 0, 0xf0, 0x7f }
+
+# define __huge_val_t union { unsigned char __c[8]; double __d; }
+# ifdef __GNUC__
+# define HUGE_VAL (__extension__ \
+ ((__huge_val_t) { __c: __HUGE_VAL_bytes }).__d)
+# else /* Not GCC. */
+static __huge_val_t __huge_val = { __HUGE_VAL_bytes };
+# define HUGE_VAL (__huge_val.__d)
+# endif /* GCC. */
+#endif /* GCC 2.95 */
+
+
+/* ISO C99 extensions: (float) HUGE_VALF and (long double) HUGE_VALL. */
+
+#ifdef __USE_ISOC99
+
+# if __GNUC_PREREQ(2,96)
+
+# define HUGE_VALF (__extension__ 0x1.0p255f)
+# define HUGE_VALL (__extension__ 0x1.0p32767L)
+
+# else
+
+# define __HUGE_VALF_bytes { 0, 0, 0x80, 0x7f }
+
+# define __huge_valf_t union { unsigned char __c[4]; float __f; }
+# ifdef __GNUC__
+# define HUGE_VALF (__extension__ \
+ ((__huge_valf_t) { __c: __HUGE_VALF_bytes }).__f)
+# else /* Not GCC. */
+static __huge_valf_t __huge_valf = { __HUGE_VALF_bytes };
+# define HUGE_VALF (__huge_valf.__f)
+# endif /* GCC. */
+
+
+# define __HUGE_VALL_bytes { 0, 0, 0, 0, 0, 0, 0, 0x80, 0xff, 0x7f, 0, 0, 0, 0, 0 ,0}
+
+# define __huge_vall_t union { unsigned char __c[16]; long double __ld; }
+# ifdef __GNUC__
+# define HUGE_VALL (__extension__ \
+ ((__huge_vall_t) { __c: __HUGE_VALL_bytes }).__ld)
+# else /* Not GCC. */
+static __huge_vall_t __huge_vall = { __HUGE_VALL_bytes };
+# define HUGE_VALL (__huge_vall.__ld)
+# endif /* GCC. */
+
+# endif /* GCC 2.95 */
+
+#endif /* __USE_ISOC99. */
diff --git a/sysdeps/ia64/fpu/libm-test-ulps b/sysdeps/ia64/fpu/libm-test-ulps
index 58e6bfa9b4..25096308ad 100644
--- a/sysdeps/ia64/fpu/libm-test-ulps
+++ b/sysdeps/ia64/fpu/libm-test-ulps
@@ -216,13 +216,13 @@ ldouble: 447
# cbrt
Test "cbrt (-0.001) == -0.1":
-ildouble: 716
-ldouble: 716
+ildouble: 717
+ldouble: 717
Test "cbrt (-27.0) == -3.0":
double: 1
idouble: 1
-ildouble: 1
-ldouble: 1
+ildouble: 948
+ldouble: 948
Test "cbrt (0.7) == 0.8879040017426007084":
double: 1
idouble: 1
@@ -233,6 +233,9 @@ double: 1
idouble: 1
ildouble: 306
ldouble: 306
+Test "cbrt (8) == 2":
+ildouble: 191
+ldouble: 191
# ccos
Test "Real part of: ccos (-2 - 3 i) == -4.1896256909688072301 - 9.1092278937553365979 i":
@@ -1302,8 +1305,8 @@ ldouble: 447
Function: "cbrt":
double: 1
idouble: 1
-ildouble: 716
-ldouble: 716
+ildouble: 948
+ldouble: 948
Function: Real part of "ccos":
double: 1