1/* Copyright JS Foundation and other contributors, http://js.foundation
2 *
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 *
15 * This file is based on work under the following copyright and permission
16 * notice:
17 *
18 *     Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
19 *
20 *     Developed at SunSoft, a Sun Microsystems, Inc. business.
21 *     Permission to use, copy, modify, and distribute this
22 *     software is freely granted, provided that this notice
23 *     is preserved.
24 *
25 *     @(#)s_copysign.c 1.3 95/01/18
26 */
27
28#include "jerry-libm-internal.h"
29
30/* copysign(x,y) returns a value with the magnitude of x and
31 * with the sign bit of y.
32 */
33
34double
35copysign (double x, double y)
36{
37  double_accessor ret;
38  ret.dbl = x;
39  ret.as_int.hi = (__HI (x) & 0x7fffffff) | (__HI (y) & 0x80000000);
40  return ret.dbl;
41} /* copysign */
42