NAME: plus PURPOSE: This function returns 1 if the input is positive, 0 otherwise. CATEGORY: Mathematics CALLING SEQUENCE: Result = PLUS( Y ) INPUTS: Y: A scalar or array of type integer or floating point. OUTPUTS: Result: Returns 1 if Y is positive, 0 otherwise. PROCEDURE: This function determines whether Y is greater than 0. EXAMPLE: Determine if 3 is positive. result = plus( 3 ) CODE: A. Shinbori, 30/09/2011. MODIFICATIONS: A. Shinbori, 30/10/2011 ACKNOWLEDGEMENT: $LastChangedBy: jimm $ $LastChangedDate: 2014-02-11 10:52:58 -0800 (Tue, 11 Feb 2014) $ $LastChangedRevision: 14325 $ $URL $