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71 lines
2.8 KiB
Fortran
71 lines
2.8 KiB
Fortran
C
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C Parallel Sparse BLAS version 2.2
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C (C) Copyright 2006/2007/2008
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C 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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SUBROUTINE CCSRRWS(TRANS,M,N,DESCRA,A,IA1,IA2,
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& INFOA,ROWSUM,IERROR)
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use psb_const_mod
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use psb_string_mod
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IMPLICIT NONE
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C .. Scalar Arguments ..
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INTEGER M,N, IERROR
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CHARACTER TRANS
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C .. Array Arguments ..
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INTEGER IA1(*),IA2(*),INFOA(*)
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CHARACTER DESCRA*11
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complex(psb_spk_) A(*), ROWSUM(*)
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C .. Local scalars ..
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INTEGER I, J
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real(psb_spk_) SUM
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IF (psb_toupper(TRANS).EQ.'N') THEN
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DO I = 1, M
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ROWSUM(I) = (0.0D0, 0.0D0)
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DO J = IA2(I), IA2(I + 1) - 1
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ROWSUM(I) = ROWSUM(I) +
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+ ABS(REAL(A(J))) + ABS(AIMAG(A(J)))
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ENDDO
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ENDDO
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ELSE IF ((psb_toupper(TRANS).EQ.'T').OR.
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+ (psb_toupper(TRANS).EQ.'C')) THEN
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DO J = 1, N
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ROWSUM(J) = (0.0D0, 0.0D0)
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ENDDO
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DO I = 1, M
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DO J = IA2(I), IA2(I + 1) - 1
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ROWSUM(IA1(J)) = ROWSUM(IA1(J)) +
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+ ABS(REAL(A(J))) + ABS(AIMAG(A(J)))
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ENDDO
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ENDDO
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ENDIF
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END
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