summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/sparc/soft-fp/q_util.c
diff options
context:
space:
mode:
Diffstat (limited to 'libc/sysdeps/linux/sparc/soft-fp/q_util.c')
-rw-r--r--libc/sysdeps/linux/sparc/soft-fp/q_util.c56
1 files changed, 0 insertions, 56 deletions
diff --git a/libc/sysdeps/linux/sparc/soft-fp/q_util.c b/libc/sysdeps/linux/sparc/soft-fp/q_util.c
deleted file mode 100644
index 22f70ba46..000000000
--- a/libc/sysdeps/linux/sparc/soft-fp/q_util.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Software floating-point emulation.
- Helper routine for _Q_* routines.
- Simulate exceptions using double arithmetics.
- Copyright (C) 1999 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Jakub Jelinek (jj@ultra.linux.cz).
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include "soft-fp.h"
-
-unsigned long long ___Q_numbers [] = {
-0x0000000000000000ULL, /* Zero */
-0x0010100000000000ULL, /* Very tiny number */
-0x0010000000000000ULL, /* Minimum normalized number */
-0x7fef000000000000ULL, /* A huge double number */
-};
-
-double ___Q_simulate_exceptions(int exceptions)
-{
- double d, *p = (double *)___Q_numbers;
- if (exceptions & FP_EX_INVALID)
- d = p[0]/p[0];
- if (exceptions & FP_EX_OVERFLOW)
- {
- d = p[3] + p[3];
- exceptions &= ~FP_EX_INEXACT;
- }
- if (exceptions & FP_EX_UNDERFLOW)
- {
- if (exceptions & FP_EX_INEXACT)
- {
- d = p[2] * p[2];
- exceptions &= ~FP_EX_INEXACT;
- }
- else
- d = p[1] - p[2];
- }
- if (exceptions & FP_EX_DIVZERO)
- d = 1.0/p[0];
- if (exceptions & FP_EX_INEXACT)
- d = p[3] - p[2];
- return d;
-}