freebsd man page for erfl

Query: erfl

OS: freebsd

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

ERF(3)							   BSD Library Functions Manual 						    ERF(3)

NAME
erf, erff, erfl, erfc, erfcf, erfcl -- error function operators
LIBRARY
Math Library (libm, -lm)
SYNOPSIS
#include <math.h> double erf(double x); float erff(float x); long double erfl(long double x); double erfc(double x); float erfcf(float x); long double erfcl(long double x);
DESCRIPTION
These functions calculate the error function of x. The erf(), erff(), and erfl() functions calculate the error function of x; where erf(x) = 2/sqrt(pi)*integral from 0 to x of exp(-t*t) dt. The erfc(), erfcf(), and erfcl() functions calculate the complementary error function of x; that is erfc() subtracts the result of the error function erf(x) from 1.0.
SEE ALSO
math(3)
HISTORY
The erf() and erfc() functions appeared in 4.3BSD.
BSD
July 13, 2014 BSD
Related Man Pages
erf(3) - suse
erff(3) - suse
erfl(3) - suse
erfc(3m) - sunos
erf(3m) - opensolaris
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