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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_sincos.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
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Update.
Diffstat (limited to 'sysdeps/libm-ieee754/s_sincos.c')
-rw-r--r--sysdeps/libm-ieee754/s_sincos.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/sysdeps/libm-ieee754/s_sincos.c b/sysdeps/libm-ieee754/s_sincos.c
deleted file mode 100644
index 5bc564ba5b..0000000000
--- a/sysdeps/libm-ieee754/s_sincos.c
+++ /dev/null
@@ -1,78 +0,0 @@
-/* Compute sine and cosine of argument.
-   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"
-
-
-void
-__sincos (double x, double *sinx, double *cosx)
-{
-  int32_t ix;
-
-  /* High word of x. */
-  GET_HIGH_WORD (ix, x);
-
-  /* |x| ~< pi/4 */
-  ix &= 0x7fffffff;
-  if (ix <= 0x3fe921fb)
-    {
-      *sinx = __kernel_sin (x, 0.0, 0);
-      *cosx = __kernel_cos (x, 0.0);
-    }
-  else if (ix>=0x7ff00000)
-    {
-      /* sin(Inf or NaN) is NaN */
-      *sinx = *cosx = x - x;
-    }
-  else
-    {
-      /* Argument reduction needed.  */
-      double y[2];
-      int n;
-
-      n = __ieee754_rem_pio2 (x, y);
-      switch (n & 3)
-	{
-	case 0:
-	  *sinx = __kernel_sin (y[0], y[1], 1);
-	  *cosx = __kernel_cos (y[0], y[1]);
-	  break;
-	case 1:
-	  *sinx = __kernel_cos (y[0], y[1]);
-	  *cosx = -__kernel_sin (y[0], y[1], 1);
-	  break;
-	case 2:
-	  *sinx = -__kernel_sin (y[0], y[1], 1);
-	  *cosx = -__kernel_cos (y[0], y[1]);
-	  break;
-	default:
-	  *sinx = -__kernel_cos (y[0], y[1]);
-	  *cosx = __kernel_sin (y[0], y[1], 1);
-	  break;
-	}
-    }
-}
-weak_alias (__sincos, sincos)
-#ifdef NO_LONG_DOUBLE
-strong_alias (__sincos, __sincosl)
-weak_alias (__sincos, sincosl)
-#endif