| #include "libm.h" | |
| #if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024 | |
| long double copysignl(long double x, long double y) { | |
| return copysign(x, y); | |
| } | |
| #elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384 | |
| long double copysignl(long double x, long double y) { | |
| union ldshape ux = {x}, uy = {y}; | |
| ux.i.se &= 0x7fff; | |
| ux.i.se |= uy.i.se & 0x8000; | |
| return ux.f; | |
| } | |
| #endif |