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authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /sysdeps/libm-ieee754/s_remquol.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_remquol.c')
-rw-r--r--sysdeps/libm-ieee754/s_remquol.c109
1 files changed, 0 insertions, 109 deletions
diff --git a/sysdeps/libm-ieee754/s_remquol.c b/sysdeps/libm-ieee754/s_remquol.c
deleted file mode 100644
index 88ff298eb6..0000000000
--- a/sysdeps/libm-ieee754/s_remquol.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/* Compute remainder and a congruent to the quotient.
- Copyright (C) 1997 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
-
- 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. */
-
-#include <math.h>
-
-#include "math_private.h"
-
-
-static const long double zero = 0.0;
-
-
-long double
-__remquol (long double x, long double p, int *quo)
-{
- int32_t ex,ep,hx,hp;
- u_int32_t sx,lx,lp;
- int cquo,qs;
-
- GET_LDOUBLE_WORDS (ex, hx, lx, x);
- GET_LDOUBLE_WORDS (ep, hp, lp, p);
- sx = ex & 0x8000;
- qs = (sx ^ (ep & 0x8000)) >> 15;
- ep &= 0x7fff;
- ex &= 0x7fff;
-
- /* Purge off exception values. */
- if ((ep | hp | lp) == 0)
- return (x * p) / (x * p); /* p = 0 */
- if ((ex == 0x7fff) /* x not finite */
- || ((ep == 0x7fff) /* p is NaN */
- && ((hp | lp) != 0)))
- return (x * p) / (x * p);
-
- if (ep <= 0x7ffb)
- x = __ieee754_fmodl (x, 8 * p); /* now x < 8p */
-
- if (((ex - ep) | (hx - hp) | (lx - lp)) == 0)
- {
- *quo = qs ? -1 : 1;
- return zero * x;
- }
-
- x = fabsl (x);
- p = fabsl (p);
- cquo = 0;
-
- if (x >= 4 * p)
- {
- x -= 4 * p;
- cquo += 4;
- }
- if (x >= 2 * p)
- {
- x -= 2 * p;
- cquo += 2;
- }
-
- if (ep < 0x0002)
- {
- if (x + x > p)
- {
- x -= p;
- ++cquo;
- if (x + x >= p)
- {
- x -= p;
- ++cquo;
- }
- }
- }
- else
- {
- long double p_half = 0.5 * p;
- if (x > p_half)
- {
- x -= p;
- ++cquo;
- if (x >= p_half)
- {
- x -= p;
- ++cquo;
- }
- }
- }
-
- *quo = qs ? -cquo : cquo;
-
- if (sx)
- x = -x;
- return x;
-}
-weak_alias (__remquol, remquol)