cosmopolitan/libc/tinymath/emodl.h

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#ifndef COSMOPOLITAN_LIBC_TINYMATH_EMODL_H_
#define COSMOPOLITAN_LIBC_TINYMATH_EMODL_H_
#include "libc/math.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* Returns Euclidean floating-point division remainder.
*
* @return (𝑥 mod 𝑦) [0.,𝑦)
* @see fmodl()
*/
#define emodl(x, y) \
({ \
long double __x = x; \
long double __y = y; \
__x - fabsl(__y) * floorl(__x / fabsl(__y)); \
})
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_TINYMATH_EMODL_H_ */