xref: /aosp_15_r20/external/musl/src/math/copysignl.c (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453) 
1*c9945492SAndroid Build Coastguard Worker #include "libm.h"
2*c9945492SAndroid Build Coastguard Worker 
3*c9945492SAndroid Build Coastguard Worker #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
copysignl(long double x,long double y)4*c9945492SAndroid Build Coastguard Worker long double copysignl(long double x, long double y)
5*c9945492SAndroid Build Coastguard Worker {
6*c9945492SAndroid Build Coastguard Worker 	return copysign(x, y);
7*c9945492SAndroid Build Coastguard Worker }
8*c9945492SAndroid Build Coastguard Worker #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
copysignl(long double x,long double y)9*c9945492SAndroid Build Coastguard Worker long double copysignl(long double x, long double y)
10*c9945492SAndroid Build Coastguard Worker {
11*c9945492SAndroid Build Coastguard Worker 	union ldshape ux = {x}, uy = {y};
12*c9945492SAndroid Build Coastguard Worker 	ux.i.se &= 0x7fff;
13*c9945492SAndroid Build Coastguard Worker 	ux.i.se |= uy.i.se & 0x8000;
14*c9945492SAndroid Build Coastguard Worker 	return ux.f;
15*c9945492SAndroid Build Coastguard Worker }
16*c9945492SAndroid Build Coastguard Worker #endif
17