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 | #include <math.h> |
27 | #include <math_private.h> |
28 | |
29 | _Float128 __copysignl(_Float128 x, _Float128 y) |
30 | { |
31 | u_int64_t hx,hy; |
32 | GET_LDOUBLE_MSW64(hx,x); |
33 | GET_LDOUBLE_MSW64(hy,y); |
34 | SET_LDOUBLE_MSW64(x,(hx&0x7fffffffffffffffULL) |
35 | |(hy&0x8000000000000000ULL)); |
36 | return x; |
37 | } |
38 | weak_alias (__copysignl, copysignl) |
39 | |