C Copyright(C) 2009-2017 National Technology & Engineering Solutions of
C Sandia, LLC (NTESS).  Under the terms of Contract DE-NA0003525 with
C NTESS, the U.S. Government retains certain rights in this software.
C 
C Redistribution and use in source and binary forms, with or without
C modification, are permitted provided that the following conditions are
C met:
C 
C     * Redistributions of source code must retain the above copyright
C       notice, this list of conditions and the following disclaimer.
C 
C     * Redistributions in binary form must reproduce the above
C       copyright notice, this list of conditions and the following
C       disclaimer in the documentation and/or other materials provided
C       with the distribution.
C     * Neither the name of NTESS nor the names of its
C       contributors may be used to endorse or promote products derived
C       from this software without specific prior written permission.
C 
C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
C "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
C LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
C A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
C OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
C SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
C LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
C DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
C THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
C (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
C OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

C $Log: spsegm.f,v $
C Revision 1.2  2009/03/25 12:36:48  gdsjaar
C Add copyright and license notice to all files.
C Permission to assert copyright has been granted; blot is now open source, BSD
C
C Revision 1.1  1994/04/07 20:14:55  gdsjaar
C Initial checkin of ACCESS/graphics/blotII2
C
c Revision 1.2  1990/12/14  08:58:29  gdsjaar
c Added RCS Id and Log to all files
c
C=======================================================================
      SUBROUTINE SPSEGM (NNE, ISEGEL, ISTART, IEND)
C=======================================================================

C   --*** SPSEGM *** (SPLOT) Find a segment of defined values
C   --   Written by Amy Gilkey - revised 11/05/87
C   --
C   --SPSEGM finds the starting and ending indices of a segment of
C   --defined values.  The segment is defined as having consecutive indices.
C   --
C   --Parameters:
C   --   NNE - IN - the number of defined elements
C   --   ISEGEL - IN - the indices of the defined elements
C   --   ISTART - OUT - the starting index of the next segment
C   --   IEND - IN/OUT - the ending index of the last segment on input;
C   --      the ending index of the next segment on output

      INTEGER ISEGEL(*)

      ISTART = IEND + 1

      DO 100 IEND = ISTART+1, NNE
         IF (ISEGEL(IEND-1)+1 .NE. ISEGEL(IEND)) GOTO 110
  100 CONTINUE
  110 CONTINUE
      IEND = IEND - 1

      RETURN
      END
