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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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16
libc/math/copysignl.c Normal file
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#include "libc/math/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