| ERF(3) | Library Functions Manual | ERF(3) |
erf, erff,
erfl, erfc,
erfcf, erfcl —
#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);
The erf() calculates the error function of
x; where
The erfc() function calculates the
complementary error function of x; that is
erfc() subtracts the result of the error function
erf(x) from 1.0. This is
useful, since for large x places disappear.
erf() and erfc() functions
appeared in 4.3BSD.
| November 7, 2015 | NetBSD 10.1 |