10 lines
176 B
C
10 lines
176 B
C
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#include "libc/math/math.h"
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float copysignf(float x, float y)
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{
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union {float f; uint32_t i;} ux={x}, uy={y};
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ux.i &= 0x7fffffff;
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ux.i |= uy.i & 0x80000000;
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return ux.f;
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}
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