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Copyright (C) 2000-2012
Philippe Troin
<webmaster@fifi.org>.

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Manpage of ERF

ERF

Section: Linux Programmer's Manual (3 )
Updated: 1993-06-25
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NAME

erf, erfc - error function and complementary error function

SYNOPSIS

#include <math.h>

double erf(double x);

double erfc (double x);

DESCRIPTION

The erf() function returns the error function of x; defined as

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

The erfc() function returns the complementary error function of x, that is 1.0 - erf(x).

CONFORMING TO

SVID 3, BSD 4.3

SEE ALSO

exp(3)

Index

NAME
SYNOPSIS
DESCRIPTION
CONFORMING TO
SEE ALSO

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Time: 00:31:21 GMT, July 19, 2025