24 lines
582 B
C
24 lines
582 B
C
#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_ */
|