size(x): Size of Array¶

Returns the size of an array x.

Declaration¶

Syntax¶

retval = size(A[, dim[, kind]])
integer function size(x)

Arguments¶

A the input array of any type or rank.

dim optional dimension, if present, size returns the size of this dimension.

kind optional the kind of the return value.

Return values¶

n the size of an array (integer).

Description¶

The size intrinsic function returns the size of an array. It returns the product of all dimensions, unless the dim argument is specified, in which case it only returns the size of this particular dimension. The kind argument can be used to specify the integer kind of the result.

Types¶

Supported argument type is integer.

Examples¶

program intrinsics_size
    implicit none
    real :: A(3, 4)
    print *, size(A)
    print *, size(A, 2)
end program

Result:

12
4