edu.emory.mathcs.csparsej.tfloat

Class Scs_dmperm

java.lang.Object

edu.emory.mathcs.csparsej.tfloat.Scs_dmperm

public class Scs_dmperm
extends java.lang.Object

Sulmage-Mendelsohn decomposition.

Constructor Summary

Constructors

Constructor and Description
Scs_dmperm()

Method Summary

Modifier and Type	Method and Description
static Scs_common.Scsd	cs_dmperm(Scs_common.Scs A, int seed) Compute coarse and then fine Sulmage-Mendelsohn decompositionm.

Methods inherited from class java.lang.Object

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

Constructor Detail

Scs_dmperm

public Scs_dmperm()

Method Detail

cs_dmperm

public static Scs_common.Scsd cs_dmperm(Scs_common.Scs A,
                                        int seed)

Compute coarse and then fine Sulmage-Mendelsohn decompositionm. seed optionally selects a randomized algorithm.

Parameters:

A - column-compressed matrix

seed - 0: natural, -1: reverse, random order oterwise

Returns:

Sulmage-Mendelsohn analysis, null on error