| 1 | /* s_copysignl.c -- long double version of s_copysign.c. |
| 2 | * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz. |
| 3 | */ |
| 4 | |
| 5 | /* |
| 6 | * ==================================================== |
| 7 | * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. |
| 8 | * |
| 9 | * Developed at SunPro, a Sun Microsystems, Inc. business. |
| 10 | * Permission to use, copy, modify, and distribute this |
| 11 | * software is freely granted, provided that this notice |
| 12 | * is preserved. |
| 13 | * ==================================================== |
| 14 | */ |
| 15 | |
| 16 | #if defined(LIBM_SCCS) && !defined(lint) |
| 17 | static char rcsid[] = "$NetBSD: $" ; |
| 18 | #endif |
| 19 | |
| 20 | /* |
| 21 | * copysignl(long double x, long double y) |
| 22 | * copysignl(x,y) returns a value with the magnitude of x and |
| 23 | * with the sign bit of y. |
| 24 | */ |
| 25 | |
| 26 | #define NO_MATH_REDIRECT |
| 27 | #include <math.h> |
| 28 | #include <math_private.h> |
| 29 | #include <libm-alias-ldouble.h> |
| 30 | |
| 31 | _Float128 __copysignl(_Float128 x, _Float128 y) |
| 32 | { |
| 33 | uint64_t hx,hy; |
| 34 | GET_LDOUBLE_MSW64(hx,x); |
| 35 | GET_LDOUBLE_MSW64(hy,y); |
| 36 | SET_LDOUBLE_MSW64(x,(hx&0x7fffffffffffffffULL) |
| 37 | |(hy&0x8000000000000000ULL)); |
| 38 | return x; |
| 39 | } |
| 40 | libm_alias_ldouble (__copysign, copysign) |
| 41 | |