edu.emory.mathcs.csparsej.tdouble

Class Dcs_permute

java.lang.Object

edu.emory.mathcs.csparsej.tdouble.Dcs_permute

public class Dcs_permute
extends java.lang.Object

Permute a sparse matrix.

Constructor Summary

Constructors

Constructor and Description
Dcs_permute()

Method Summary

Modifier and Type	Method and Description
static Dcs_common.Dcs	cs_permute(Dcs_common.Dcs A, int[] pinv, int[] q, boolean values) Permutes a sparse matrix, C = PAQ.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Dcs_permute

public Dcs_permute()

Method Detail

cs_permute

public static Dcs_common.Dcs cs_permute(Dcs_common.Dcs A,
                                        int[] pinv,
                                        int[] q,
                                        boolean values)

Permutes a sparse matrix, C = PAQ.

Parameters:

A - m-by-n, column-compressed matrix

pinv - a permutation vector of length m

q - a permutation vector of length n

values - allocate pattern only if false, values and pattern otherwise

Returns:

C = PAQ, null on error