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