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/GNU Fortran 7

9.188 MAXEXPONENT — Maximum exponent of a real kind

Description:

MAXEXPONENT(X) returns the maximum exponent in the model of the type of X.

Standard:

Fortran 95 and later

Class:

Inquiry function

Syntax:

RESULT = MAXEXPONENT(X)

Arguments:
X Shall be of type REAL.
Return value:

The return value is of type INTEGER and of the default integer kind.

Example:
program exponents
  real(kind=4) :: x
  real(kind=8) :: y

  print *, minexponent(x), maxexponent(x)
  print *, minexponent(y), maxexponent(y)
end program exponents

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/MAXEXPONENT.html