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113 lines
4.1 KiB
Fortran
113 lines
4.1 KiB
Fortran
C
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C Parallel Sparse BLAS v2.0
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C (C) Copyright 2006 Salvatore Filippone University of Rome Tor Vergata
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C Alfredo Buttari University of Rome Tor Vergata
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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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SUBROUTINE DCOINCO(M,N,DESCRA,A,IA1,IA2,
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+ INFOA,IA,JA,LATOT,LIA1TOT,LIA2TOT,
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+ DESCRH,H,IH1,IH2,INFOH,IH,JH,WORK,LWORK,IERROR)
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IMPLICIT NONE
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INCLUDE 'psb_const.fh'
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C .. Scalar Arguments ..
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INTEGER LWORK, M, N, IERROR
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INTEGER LATOT,LIA1TOT,LIA2TOT,IA,JA,IH,JH
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C .. Array Arguments ..
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DOUBLE PRECISION A(*), H(*), WORK(LWORK)
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INTEGER IA1(*), IA2(*), IH1(*), IH2(*),
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+ INFOA(*), INFOH(*)
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CHARACTER DESCRA*11, DESCRH*11
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C .. Local scalars ..
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INTEGER I, J, NZH, nza
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c .. Local Arrays ..
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CHARACTER*20 NAME
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INTEGER INT_VAL(5)
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NAME = 'DCOINCO\0'
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IERROR = 0
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CALL FCPSB_ERRACTIONSAVE(ERR_ACT)
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NZH = INFOH(NNZ_)
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NZA = INFOA(NNZ_)
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if ((nza+nzh).le.min(latot,lia1tot,lia2tot)) then
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C
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C In this case we are (hopefully) safe
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C
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C Insert Element in COO Format
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DO J = 1, NZH
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IF ((IH1(J).GE.IH).AND.(IH1(J).LT.IH+M).AND.
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$ (IH2(J).GE.JH).AND.(IH2(J).LT.JH+N)) THEN
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C If current element belongs to submatrix to insert
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nza = nza + 1
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A(nza) = H(J)
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IA1(nza) = IH1(J)+IA-IH
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IA2(nza) = IH2(J)+JA-JH
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ENDIF
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ENDDO
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else
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C
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C Most likely will have to give up, but try anyway
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C
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C Insert Element in COO Format
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DO J = 1, NZH
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IF ((IH1(J).GE.IH).AND.(IH1(J).LT.IH+M).AND.
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$ (IH2(J).GE.JH).AND.(IH2(J).LT.JH+N)) THEN
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C If current element belongs to submatrix to insert
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nza = nza + 1
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IF ((nza.le.LATOT) .and.(nza.le.LIA1TOT)
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+ .and.(nza.le.LIA2TOT)) THEN
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A(nza) = H(J)
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IA1(nza) = IH1(J)+IA-IH
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IA2(nza) = IH2(J)+JA-JH
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else
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IF (nza.GT.LATOT) THEN
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IERRV(1) = 10
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IERRV(2) = nza
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ELSE IF (nza.GT.LIA1TOT) THEN
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IERRV(1) = 20
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IERRV(2) = nza
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ELSE IF (nza.GT.LIA2TOT) THEN
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IERRV(1) = 30
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IERRV(2) = nza
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ENDIF
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RETURN
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endif
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ENDIF
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ENDDO
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endif
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infoa(nnz_) = nza
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return
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END
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