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C Copyright (c) 2003-2010 University of Florida
C
C This program is free software; you can redistribute it and/or modify
C it under the terms of the GNU General Public License as published by
C the Free Software Foundation; either version 2 of the License, or
C (at your option) any later version.
C This program is distributed in the hope that it will be useful,
C but WITHOUT ANY WARRANTY; without even the implied warranty of
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
C GNU General Public License for more details.
C The GNU General Public License is included in this distribution
C in the file COPYRIGHT.
C SUBROUTINE COMPUTES OUTER PRODUCT OF VECTOR V WITH ITSELF. IF
C ICOMP IS SET TO ONE, 1-|V><V| IS RETURNED; OTHERWISE IT IS JUST
C |V><V|.
SUBROUTINE OUTERP(VV,V,NR,NC,ICOMP)
IMPLICIT DOUBLE PRECISION (A-H,O-Z)
DIMENSION V(NR,NC),VV(NR,NR)
DO I = 1, NR
DO J = 1, NR
T = 0.D0
DO K = 1, NC
T = T + V(I,K) * V(J,K)
END DO
VV(I,J) = T
END DO
END DO
IF (ICOMP.EQ.0) RETURN
Z = -1.D0
CALL xscal(NR*NR,Z,VV,1)
DO I = 1, NR
VV(I,I) = 1.D0 + VV(I,I)
END DO
RETURN
END
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