EPSILON(3f)

DESCRIPTION
EPSILON(X) returns the smallest number E of the same kind as X such that 1 + E > 1.

STANDARD
Fortran 95 and later

CLASS
Inquiry function

SYNTAX
RESULT = EPSILON(X)

ARGUMENTS

X The type shall be REAL.

RETURN VALUE
The return value is of same type as the argument.

EXAMPLE
          program test_epsilon
              real :: x = 3.143
              real(8) :: y = 2.33
              print *, EPSILON(x)
              print *, EPSILON(y)
          end program test_epsilon

AUTHOR

This information was taken from the GFortran documentation (https://gcc.gnu.org/onlinedocs/gcc-5.3.0/gfortran/) and converted to a manpage by AstroFloyd (http://astrofloyd.org).