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55 lines
1.3 KiB
Fortran
55 lines
1.3 KiB
Fortran
SUBROUTINE ZCOORWS(TRANS,M,N,DESCRA,A,IA1,IA2,
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& INFOA,ROWSUM,IERROR)
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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*16 A(*), ROWSUM(*)
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C .. Local scalars ..
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INTEGER I, J, NNZ, K
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DOUBLE PRECISION SUM
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logical lsame
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external lsame
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NNZ = INFOA(1)
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IF (lsame(TRANS,'N')) THEN
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DO I=1, M
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ROWSUM(I) = 0.0D0
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ENDDO
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I = 1
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J = I
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DO WHILE (I.LE.NNZ)
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DO WHILE ((IA1(J).EQ.IA1(I)).AND.
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+ (J.LE.NNZ))
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J = J+1
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ENDDO
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SUM = 0.0
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DO K = I, J-1
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SUM = SUM + ABS(REAL(A(J))) + ABS(AIMAG(A(J)))
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ENDDO
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ROWSUM(IA1(I)) = ROWSUM(IA1(I)) + SUM
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I = J
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ENDDO
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ELSE IF (lsame(TRANS,'T').OR.lsame(TRANS,'C')) THEN
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DO J = 1, N
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ROWSUM(J) = 0.0D0
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ENDDO
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DO I = 1, NNZ
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ROWSUM(IA2(I)) = ROWSUM(IA2(I)) +
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+ ABS(REAL(A(J))) + ABS(AIMAG(A(J)))
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ENDDO
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ELSE
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ierror = -1
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ENDIF
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RETURN
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END
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