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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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libc/tinymath/emod.h Normal file
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#ifndef COSMOPOLITAN_LIBC_TINYMATH_EMOD_H_
#define COSMOPOLITAN_LIBC_TINYMATH_EMOD_H_
#include "libc/math.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Returns Euclidean floating-point division remainder.
*
* @return (𝑥 mod 𝑦) ∈ [0.,𝑦)
* @see fmod()
*/
static double emod(double x, double y) {
return x - fabs(y) * floor(x / fabs(y));
}
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_TINYMATH_EMOD_H_ */