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rint, rintf, remainder, remainderf
[round and remainder]

SYNOPSIS

    #include <math.h>
    double rint(double x);
    float rintf(float x);
    double remainder(double x, double y);
    float remainderf(float x, float y);

DESCRIPTION

rint and rintf returns their argument rounded to the nearest integer. remainder and remainderf find the remainder of x/y; this value is in the range -y/2 ... +y/2.

RETURNS

rint and remainder return the integer result as a double.

COMPLIANCE

rint and remainder are System V release 4. rintf and remainderf are extensions.