ERF
NAME SYNOPSIS DESCRIPTION CONFORMING TO SEE ALSO
erf, erfc - error function and complementary error function
#include x); double erfc (double x);
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).
SVID 3, BSD 4.3
