Flashnux

GNU/Linux man pages

Livre :
Expressions régulières,
Syntaxe et mise en oeuvre :

GNU/Linux	CentOS 5.1
	exp(3)

EXP

exp, expf, expl − base-e exponential function

#include <math.h>

double exp(double x);
float expf(float x);
long double expl(long double x);

Link with −lm.

The exp() function returns the value of e (the base of natural logarithms) raised to the power of x.

SVr4, 4.3BSD, C89, POSIX.1-2001. The float and long double variants are C99 requirements.