| /* s_copysignl.c -- long double version of s_copysign.c. |
| * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz. |
| */ |
| |
| /* |
| * ==================================================== |
| * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
| * |
| * Developed at SunPro, a Sun Microsystems, Inc. business. |
| * Permission to use, copy, modify, and distribute this |
| * software is freely granted, provided that this notice |
| * is preserved. |
| * ==================================================== |
| */ |
| |
| #if defined(LIBM_SCCS) && !defined(lint) |
| static char rcsid[] = "$NetBSD: $"; |
| #endif |
| |
| /* |
| * copysignl(long double x, long double y) |
| * copysignl(x,y) returns a value with the magnitude of x and |
| * with the sign bit of y. |
| */ |
| |
| #include "math.h" |
| #include "math_private.h" |
| #include <math_ldbl_opt.h> |
| |
| #ifdef __STDC__ |
| long double __copysignl(long double x, long double y) |
| #else |
| long double __copysignl(x,y) |
| long double x,y; |
| #endif |
| { |
| if (signbit (x) != signbit (y)) |
| x = -x; |
| return x; |
| } |
| |
| #ifdef IS_IN_libm |
| long_double_symbol (libm, __copysignl, copysignl); |
| #else |
| long_double_symbol (libc, __copysignl, copysignl); |
| #endif |
