| 1 | /* @(#)s_copysign.c 5.1 93/09/24 */ |
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| 2 | /* |
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| 3 | * ==================================================== |
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| 4 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
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| 5 | * |
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| 6 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
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| 7 | * Permission to use, copy, modify, and distribute this |
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| 8 | * software is freely granted, provided that this notice |
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| 9 | * is preserved. |
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| 10 | * ==================================================== |
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| 11 | */ |
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| 12 | |
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| 13 | #if defined (LIBM_SCCS) && ! defined (lint) |
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| 14 | static char rcsid[] = "$NetBSD: s_copysign.c,v 1.8 1995/05/10 20:46:57 jtc Exp $" ; |
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| 15 | #endif |
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| 16 | |
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| 17 | /* |
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| 18 | * copysign(double x, double y) |
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| 19 | * copysign(x,y) returns a value with the magnitude of x and |
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| 20 | * with the sign bit of y. |
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| 21 | */ |
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| 22 | |
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| 23 | #define NO_MATH_REDIRECT |
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| 24 | #include <math.h> |
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| 25 | #include <libm-alias-double.h> |
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| 26 | |
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| 27 | double |
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| 28 | __copysign (double x, double y) |
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| 29 | { |
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| 30 | return __builtin_copysign (x, y); |
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| 31 | } |
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| 32 | libm_alias_double (__copysign, copysign) |
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| 33 | |
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