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comparison libquadmath/math/copysignq.c @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 04ced10e8804
children
comparison
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131:84e7813d76e9 145:1830386684a0
1 /* copysignq.c -- __float128 version of s_copysign.c. 1 /* s_copysignl.c -- long double version of s_copysign.c.
2 * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz. 2 * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
3 */ 3 */
4 4
5 /* 5 /*
6 * ==================================================== 6 * ====================================================
11 * software is freely granted, provided that this notice 11 * software is freely granted, provided that this notice
12 * is preserved. 12 * is preserved.
13 * ==================================================== 13 * ====================================================
14 */ 14 */
15 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
16 #include "quadmath-imp.h" 28 #include "quadmath-imp.h"
17 29
18 __float128 30 __float128 copysignq(__float128 x, __float128 y)
19 copysignq (__float128 x, __float128 y)
20 { 31 {
21 uint64_t hx,hy; 32 uint64_t hx,hy;
22 GET_FLT128_MSW64(hx,x); 33 GET_FLT128_MSW64(hx,x);
23 GET_FLT128_MSW64(hy,y); 34 GET_FLT128_MSW64(hy,y);
24 SET_FLT128_MSW64(x,(hx&0x7fffffffffffffffULL)|(hy&0x8000000000000000ULL)); 35 SET_FLT128_MSW64(x,(hx&0x7fffffffffffffffULL)
25 return x; 36 |(hy&0x8000000000000000ULL));
37 return x;
26 } 38 }