clapmt man page on IRIX

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CLAPMT(3F)							    CLAPMT(3F)

NAME
     CLAPMT - rearrange the columns of the M by N matrix X as specified by the
     permutation K(1),K(2),...,K(N) of the integers 1,...,N

SYNOPSIS
     SUBROUTINE CLAPMT( FORWRD, M, N, X, LDX, K )

	 LOGICAL	FORWRD

	 INTEGER	LDX, M, N

	 INTEGER	K( * )

	 COMPLEX	X( LDX, * )

PURPOSE
     CLAPMT rearranges the columns of the M by N matrix X as specified by the
     permutation K(1),K(2),...,K(N) of the integers 1,...,N.  If FORWRD =
     .TRUE.,  forward permutation:

	  X(*,K(J)) is moved X(*,J) for J = 1,2,...,N.

     If FORWRD = .FALSE., backward permutation:

	  X(*,J) is moved to X(*,K(J)) for J = 1,2,...,N.

ARGUMENTS
     FORWRD  (input) LOGICAL
	     = .TRUE., forward permutation = .FALSE., backward permutation

     M	     (input) INTEGER
	     The number of rows of the matrix X. M >= 0.

     N	     (input) INTEGER
	     The number of columns of the matrix X. N >= 0.

     X	     (input/output) COMPLEX array, dimension (LDX,N)
	     On entry, the M by N matrix X.  On exit, X contains the permuted
	     matrix X.

     LDX     (input) INTEGER
	     The leading dimension of the array X, LDX >= MAX(1,M).

     K	     (input) INTEGER array, dimension (N)
	     On entry, K contains the permutation vector.

									Page 1

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