ERF — Error function

ERF(X)

ERF(X) computes the error function of X.

Parameters

X – The type shall be REAL.

Returns

The return value is of type REAL, of the same kind as X and lies in the range -1 leq erf (x) leq 1 .

Standard:

Fortran 2008 and later

Class:

Elemental function

Syntax:

RESULT = ERF(X)

Example:

program test_erf
  real(8) :: x = 0.17_8
  x = erf(x)
end program test_erf

Specific names:

Name	Argument	Return type	Standard
DERF(X)	REAL(8) X	REAL(8)	GNU extension