9.88 ERF — Error function

Description:
ERF(X) computes the error function of X.
Standard:
Fortran 2008 and later
Class:
Elemental function
Syntax:
RESULT = ERF(X)
Arguments:
X The type shall be REAL.
Return value:
The return value is of type REAL, of the same kind as X and lies in the range -1 \leq erf (x) \leq 1 .
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

© Free Software Foundation
Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-5.4.0/gfortran/ERF.html