SRC/zlapmr.f(3) | Library Functions Manual | SRC/zlapmr.f(3) |
NAME
SRC/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 (logical forwrd, integer m, integer n, complex*16, dimension( ldx, * ) x, integer ldx, 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.
Definition at line 103 of file zlapmr.f.
Author
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