diff options
| -rw-r--r-- | ChangeLog | 8 | ||||
| -rw-r--r-- | sysdeps/ia64/bits/huge_val.h | 81 | ||||
| -rw-r--r-- | sysdeps/ia64/fpu/libm-test-ulps | 15 |
3 files changed, 98 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog index 5414467ed3..941aab2d6c 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +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. + 2000-09-29 Ulrich Drepper <drepper@redhat.com> * elf/chroot_canon.c: Don't report a failure if the last path 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 |