Fortran Wiki
log

Description

log(x) computes the logarithm of x.

Standard

FORTRAN 77 and later

Class

Elemental function

Syntax

result = log(x)

Arguments

• x - The type shall be real or complex.

Return value

The return value is of type real or complex. The kind type parameter is the same as x.

Example

program test_log
  real(8) :: x = 1.0_8
  complex :: z = (1.0, 2.0)
  x = log(x)
  z = log(z)
end program test_log