PRECISION — Decimal precision of a real kind#

PRECISION(X)#

PRECISION(X) returns the decimal precision in the model of the type of X.

Parameters: X – Shall be of type REAL or COMPLEX. It may be scalar or valued.
Returns: The return value is of type INTEGER and of the default integer kind.

Standard:

Fortran 90 and later

Class:

Inquiry function

Syntax:

RESULT = PRECISION(X)

Example:

program prec_and_range
  real(kind=4) :: x(2)
  complex(kind=8) :: y

  print *, precision(x), range(x)
  print *, precision(y), range(y)
end program prec_and_range