Flashnux

GNU/Linux man pages

Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

GNU/Linux	CentOS 5.1
	fdim(3)

FDIM

fdim, fdimf, fdiml − positive difference

#include <math.h>

double fdim(double x, double y);
float fdimf(float x, float y);
long double fdiml(long double x, long double y);

Compile with −std=c99; link with −lm.

These functions return max(x-y,0). If x or y or both are NaN, Nan is returned.

C99