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SUBROUTINE CSRT

PURPOSE
   SORT COLUMNS OF A MATRIX

USAGE
   CALL CSRT(A,B,R,N,M,MS)

DESCRIPTION OF PARAMETERS
   A - NAME OF INPUT MATRIX TO BE SORTED
   B - NAME OF INPUT VECTOR WHICH CONTAINS SORTING KEY
   R - NAME OF SORTED OUTPUT MATRIX
   N - NUMBER OF ROWS IN A AND R
   M - NUMBER OF COLUMNS IN A AND R AND LENGTH OF B
   MS  - ONE DIGIT NUMBER FOR STORAGE MODE OF MATRIX A
	  0 - GENERAL
	  1 - SYMMETRIC
	  2 - DIAGONAL

REMARKS
   MATRIX R CANNOT BE IN THE SAME LOCATION AS MATRIX A
   MATRIX R IS ALWAYS A GENERAL MATRIX
   M MUST BE GREATER THAN ONE.

SUBROUTINES AND FUNCTION SUBPROGRAMS REQUIRED
   LOC
   CCPY

METHOD
   COLUMNS OF INPUT MATRIX A ARE SORTED TO FORM OUTPUT MATRIX
   R. THE SORTED COLUMN SEQUENCE IS DETERMINED BY THE VALUES OF
   ELEMENTS IN ROW VECTOR B. THE LOWEST VALUED ELEMENT IN
   B WILL CAUSE THE CORRESPONDING COLUMN OF A TO BE PLACED IN
   THE FIRST COLUMN OF R. THE HIGHEST VALUED ELEMENT OF B WILL
   CAUSE THE CORRESPONDING ROW OF A TO BE PLACED IN THE LAST
   COLUMN OF R. IF DUPLICATE VALUES EXIST IN B, THE
   CORRESPONDING COLUMNS OF A ARE MOVED TO R IN THE SAME ORDER
   AS IN A.