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Name

Synopsis

cc [ flag ... ] file ... -lm [ library ... ]

#include <math.h>

double erf(double x);

double erfc(double x);

MT-Level

MT-Safe

Description

erf(x) returns the error function of x; where

erf (x) = 2/sqrt(pi) *integral from 0 to x of exp(-t*t) dt. }

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