Subroutine: UMINMAX Purpose: Determines and updates the minimum and maximum and the number of blanks in subsets. Category: GDS, HEADER File: wminmax.c Author: K.G. Begeman Use: CALL UMINMAX( SET , Input CHARACTER*(*) SUBSETS , Input INTEGER ARRAY NSUBS , Input INTEGER CHANGE ) Input INTEGER SET Name of GDS set. SUBSETS Array containing subset coordinate words of the subsets for which the minimum and maximum are to be determined. NSUBS Number of subsets. CHANGE 0 means that minimum and maximum have not changed, anything else means that minimum and maximum have changed and that the MINMAX descriptors at intersecting levels will be removed by UMINMAX. Notes: 1. The so called MINMAX descriptors are: DATAMIN, DATAMAX and NBLANK. 2. When no defined DATAMIN and DATAMAX, then BLANK will be returned and the DATAMIN and DATAMAX descriptors will be removed and only the number of blanks (NBLANK) will be written. Updates: Feb 21, 1990: KGB, Document created.