FDIM(3) BSD Library Functions Manual FDIM(3)NAME
fdim — return difference if positive, 0 otherwise
SYNOPSIS
#include <math.h>
double
fdim(double x, double y);
float
fdimf(float x, float y);
DESCRIPTION
The fdim() and fdimf() functions return the "positive difference" between
their arguments: x - y if x > y, +0 if x is less than or equal to y.
SEE ALSOfma(3), fmax(3), fmin(3)STANDARDS
The fdim() and fdimf() functions conform to ISO/IEC 9899:1999(E).
BSD July 24, 2003 BSD