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