rint.c

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/*-------------------------------------------------------------------------
 *
 * rint.c
 *    rint() implementation
 *
 * IDENTIFICATION
 *    src/port/rint.c
 *
 *-------------------------------------------------------------------------
 */
#include "c.h"

#include <math.h>

double
rint(double x)
{
    return (x >= 0.0) ? floor(x + 0.5) : ceil(x - 0.5);
}