9.89 ERFC — Error function

Description:

ERFC(X) computes the complementary error function of X.

Standard:

Fortran 2008 and later

Class:

Elemental function

Syntax:

RESULT = ERFC(X)

Arguments:

X	The type shall be REAL.

Return value:

The return value is of type REAL and of the same kind as X. It lies in the range 0 \leq erfc (x) \leq 2 .

Example:

program test_erfc
  real(8) :: x = 0.17_8
  x = erfc(x)
end program test_erfc

Specific names:

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