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Justine Tunney 2020-06-15 07:18:57 -07:00
commit c91b3c5006
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dsp/core/ituround.h Normal file
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#ifndef COSMOPOLITAN_DSP_CORE_ITUROUND_H_
#define COSMOPOLITAN_DSP_CORE_ITUROUND_H_
#include "libc/math.h"
#if !(__ASSEMBLER__ + __LINKER__ + 0)
/**
* An ITU recommended rounding function.
*
* 1. Negative numbers round toward zero
* 2. Positive numbers round toward infinity
*
* @see round(), rint()
*/
static inline pureconst artificial long ituround(double x) {
return floor(x + .5);
}
static inline pureconst artificial int ituroundf(float x) {
return floorf(x + .5f);
}
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_DSP_CORE_ITUROUND_H_ */