zlapmr.f(3)

NAME
zlapmr.f -

SYNOPSIS

  Functions/Subroutines
subroutine zlapmr (FORWRD, M, N, X, LDX, K)
ZLAPMR rearranges rows of a matrix as specified by a permutation vector.

Function/Subroutine Documentation

  subroutine zlapmr (logicalFORWRD, integerM, integerN, complex*16, dimension( ldx, * )X, integerLDX, integer, dimension( * )K)

ZLAPMR rearranges rows of a matrix as specified by a permutation vector.

Purpose:

     ZLAPMR rearranges the rows of the M by N matrix X as specified
     by the permutation K(1),K(2),...,K(M) of the integers 1,...,M.
     If FORWRD = .TRUE.,  forward permutation:
          X(K(I),*) is moved X(I,*) for I = 1,2,...,M.
     If FORWRD = .FALSE., backward permutation:
          X(I,*) is moved to X(K(I),*) for I = 1,2,...,M.

Parameters:
    FORWRD

              FORWRD is LOGICAL
              = .TRUE., forward permutation
              = .FALSE., backward permutation

    M

              M is INTEGER
              The number of rows of the matrix X. M >= 0.

    N

              N is INTEGER
              The number of columns of the matrix X. N >= 0.

    X

              X is COMPLEX*16 array, dimension (LDX,N)
              On entry, the M by N matrix X.
              On exit, X contains the permuted matrix X.

    LDX

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

    K

              K is INTEGER array, dimension (M)
              On entry, K contains the permutation vector. K is used as
              internal workspace, but reset to its original value on
              output.

Author:
    Univ. of Tennessee

    Univ. of California Berkeley

    Univ. of Colorado Denver

    NAG Ltd.

Date:
    September 2012

Definition at line 105 of file zlapmr.f.

Author

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