Returns the extent of an array along a specified dimension or the total number of elements in the array.
Class
Inquiry function
Result Type and Attributes
Default integer scalar.
Result Value
The result equals the extent of ARRAY along dimension DIM; or, if DIM is not specified, it is the total number of array elements in ARRAY.
Examples
! A is the array | 1 -4 7 -10 |
! | 2 5 -8 11 |
! | 3 6 9 -12 |
RES = SIZE( A )
! The result is 12 because there are 12 elements in A.
RES = SIZE( A, DIM = 1)
! The result is 3 because there are 3 rows in A.
RES = SIZE( A, DIM = 2)
! The result is 4 because there are 4 columns in A.