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-rw-r--r--sysdeps/generic/sincos.c98
1 files changed, 0 insertions, 98 deletions
diff --git a/sysdeps/generic/sincos.c b/sysdeps/generic/sincos.c
deleted file mode 100644
index ab88560..0000000
--- a/sysdeps/generic/sincos.c
+++ /dev/null
@@ -1,98 +0,0 @@
-/*
- * Copyright (c) 1987, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#ifndef lint
-static char sccsid[] = "@(#)sincos.c 8.1 (Berkeley) 6/4/93";
-#endif /* not lint */
-
-#include "trig.h"
-double
-sin(x)
-double x;
-{
- double a,c,z;
-
- if(!finite(x)) /* sin(NaN) and sin(INF) must be NaN */
- return x-x;
- x=drem(x,PI2); /* reduce x into [-PI,PI] */
- a=copysign(x,one);
- if (a >= PIo4) {
- if(a >= PI3o4) /* ... in [3PI/4,PI] */
- x = copysign((a = PI-a),x);
- else { /* ... in [PI/4,3PI/4] */
- a = PIo2-a; /* rtn. sign(x)*C(PI/2-|x|) */
- z = a*a;
- c = cos__C(z);
- z *= half;
- a = (z >= thresh ? half-((z-half)-c) : one-(z-c));
- return copysign(a,x);
- }
- }
-
- if (a < small) { /* rtn. S(x) */
- big+a;
- return x;
- }
- return x+x*sin__S(x*x);
-}
-
-double
-cos(x)
-double x;
-{
- double a,c,z,s = 1.0;
-
- if(!finite(x)) /* cos(NaN) and cos(INF) must be NaN */
- return x-x;
- x=drem(x,PI2); /* reduce x into [-PI,PI] */
- a=copysign(x,one);
- if (a >= PIo4) {
- if (a >= PI3o4) { /* ... in [3PI/4,PI] */
- a = PI-a;
- s = negone;
- }
- else { /* ... in [PI/4,3PI/4] */
- a = PIo2-a;
- return a+a*sin__S(a*a); /* rtn. S(PI/2-|x|) */
- }
- }
- if (a < small) {
- big+a;
- return s; /* rtn. s*C(a) */
- }
- z = a*a;
- c = cos__C(z);
- z *= half;
- a = (z >= thresh ? half-((z-half)-c) : one-(z-c));
- return copysign(a,s);
-}