ERF — Error function

ERF(X) computes the error function of X.

RESULT = ERF(X)

X The type shall be REAL.

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



program test_erf

  real(8) :: x = 0.17_8

  x = erf(x)

end program test_erf

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

Fortran 2008 and later

Elemental function

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