16. array_info

Synopsis

Returns information about an array

Usage

(Array_Type, Integer_Type, DataType_Type) array_info (Array_Type a)

Description

The array_info function returns information about the array a. It returns three values: an 1-d integer array array specifying the size of each dimension of a, the number of dimensions of a, and the data type of a.

Example

The array_info function may be used to find the number of rows of an array:

    define num_rows (a)
    {
       variable dims, num_dims, data_type;

       (dims, num_dims, data_type) = array_info (a);
       return dims [0];
    }

See Also

typeof, reshape