ERF(3M) RISC/os Reference Manual ERF(3M)
NAME
erf, erfc - error functions
SYNOPSIS
#include <math.h>
double erf(x)
double x;
double erfc(x)
double x;
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.
Printed 11/19/92 Page 1