C++*********************************************************************
C
C $$ DENLST.FOR
C
C **********************************************************************
C=* FROM: SPIDER - MODULAR IMAGE PROCESSING SYSTEM.   AUTHOR: J.FRANK  *
C=* Copyright (C) 1985-2005  Health Research Inc.                      *
C=*                                                                    *
C=* HEALTH RESEARCH INCORPORATED (HRI),                                *   
C=* ONE UNIVERSITY PLACE, RENSSELAER, NY 12144-3455.                   *
C=*                                                                    *
C=* Email:  spider@wadsworth.org                                       *
C=*                                                                    *
C=* This program is free software; you can redistribute it and/or      *
C=* modify it under the terms of the GNU General Public License as     *
C=* published by the Free Software Foundation; either version 2 of the *
C=* License, or (at your option) any later version.                    *
C=*                                                                    *
C=* This program is distributed in the hope that it will be useful,    *
C=* but WITHOUT ANY WARRANTY; without even the implied warranty of     *
C=* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU  *
C=* General Public License for more details.                           *
C=*                                                                    *
C=* You should have received a copy of the GNU General Public License  *
C=* along with this program; if not, write to the                      *
C=* Free Software Foundation, Inc.,                                    *
C=* 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.      *
C=*                                                                    *
C **********************************************************************
C
C
C
C--*********************************************************************
C
C $$ DENLST.FOR
C
         SUBROUTINE DENLST(NDOC,VMIN,VMAX,NKLA,V,NUM,IRTFLG)

         COMMON /UNITS/ LUNC,NIN,NOUT

         DIMENSION V(NKLA),DLIST(3),NUM(NKLA)

C
         IF (VMAX .EQ. VMIN) THEN
C        PREVENT DIVISION BY ZERO
          WRITE(NOUT,*) 'DENLST ABORTED TO AVOID DIVISION BY 0'
          IRTFLG = 1
          RETURN
         ENDIF

         FACT = 1.0 / (VMAX - VMIN)

         DO  I = 1,NKLA
          DLIST(1) = I
          DLIST(2) = NUM(I)

C        NORMALIZE THE V VALUES FROM 0...1.0
          DLIST(3) = (V(I) - VMIN) * FACT

C        STORE THIS LINE IN DOC FILE
          CALL SAVD(NDOC,DLIST,3,IRTFLG)
	 ENDDO
         CALL  SAVDC
         CLOSE(NDOC)
         IRTFLG = 0
         END