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 * copysignq(long double x, long double y) 22 * copysignq(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 28 #include "quadmath-imp.h" 29 30 __float128 copysignq(__float128 x, __float128 y) 31 { 32 uint64_t hx,hy; 33 GET_FLT128_MSW64(hx,x); 34 GET_FLT128_MSW64(hy,y); 35 SET_FLT128_MSW64(x,(hx&0x7fffffffffffffffULL) 36 |(hy&0x8000000000000000ULL)); 37 return x; 38 } 39