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75 lines
2.9 KiB
Fortran
75 lines
2.9 KiB
Fortran
C
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C Parallel Sparse BLAS version 3.0
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C (C) Copyright 2006, 2007, 2008, 2009, 2010, 2012
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C Salvatore Filippone University of Rome Tor Vergata
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C Alfredo Buttari CNRS-IRIT, Toulouse
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C
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C Redistribution and use in source and binary forms, with or without
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C modification, are permitted provided that the following conditions
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C are met:
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C 1. Redistributions of source code must retain the above copyright
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C notice, this list of conditions and the following disclaimer.
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C 2. Redistributions in binary form must reproduce the above copyright
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C notice, this list of conditions, and the following disclaimer in the
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C documentation and/or other materials provided with the distribution.
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C 3. The name of the PSBLAS group or the names of its contributors may
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C not be used to endorse or promote products derived from this
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C software without specific written permission.
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C
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C THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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C ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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C TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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C PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE PSBLAS GROUP OR ITS CONTRIBUTORS
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C BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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C CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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C SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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C INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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C CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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C ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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C POSSIBILITY OF SUCH DAMAGE.
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C
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C
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INTEGER FUNCTION PSI_EXIST_OVR_ELEM(OVR_ELEM,
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+ DIM_LIST,ELEM_SEARCHED)
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use psb_const_mod
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C PURPOSE:
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C == = ====
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C
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C If ELEM_SEARCHED exist in the list OVR_ELEM returns its position in
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C the list, else returns -1
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C
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C
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C INPUT
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C == = ===
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C OVRLAP_ELEMENT_D.: Contains for all overlap points belonging to
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C the current process:
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C 1. overlap point index
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C 2. Number of domains sharing that overlap point
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C the end is marked by a -1...............................
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C
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C DIM_LIST..........: Dimension of list OVRLAP_ELEMENT_D
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C
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C ELEM_SEARCHED.....:point's Local index identifier to be searched.
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IMPLICIT NONE
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C ....Scalars parameters....
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INTEGER(psb_ipk_) :: DIM_LIST,ELEM_SEARCHED
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C ...Array Parameters....
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INTEGER(psb_ipk_) :: OVR_ELEM(DIM_LIST,*)
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C ...Local Scalars....
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INTEGER(psb_ipk_) :: I
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I=1
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DO WHILE ((I.LE.DIM_LIST).AND.(OVR_ELEM(I,1).NE.ELEM_SEARCHED))
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I=I+1
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ENDDO
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IF ((I.LE.DIM_LIST).AND.(OVR_ELEM(I,1).EQ.ELEM_SEARCHED)) THEN
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PSI_EXIST_OVR_ELEM=I
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ELSE
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PSI_EXIST_OVR_ELEM=-1
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ENDIF
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END
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