6.183 SIZE — Determine the size of an array

Description:

Determine the extent of ARRAY along a specified dimension DIM, or the total number of elements in ARRAY if DIM is absent.

Standard:

F95 and later

Class:

Inquiry function

Syntax:

RESULT = SIZE(ARRAY[, DIM])

Arguments:

ARRAY	Shall be an array of any type. If ARRAY is a pointer it must be associated and allocatable arrays must be allocated.
DIM	(Optional) shall be a scalar of type INTEGER and its value shall be in the range from 1 to n, where n equals the rank of ARRAY.

Return value:

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

Example:

          PROGRAM test_size
            WRITE(*,*) SIZE((/ 1, 2 /))    ! 2
          END PROGRAM
     

See also:

SHAPE, RESHAPE