no.uib.cipr.matrix.JobSVD Maven / Gradle / Ivy
/*
* Copyright (C) 2003-2006 Bjørn-Ove Heimsund
*
* This file is part of MTJ.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation; either version 2.1 of the License, or (at your
* option) any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package no.uib.cipr.matrix;
/**
* The job the singular value solvers are to do. This only limits which singular
* vectors are computed, all the singular values are always computed
*/
enum JobSVD {
/** Compute all of the singular vectors */
All,
/** Do not compute any singular vectors */
None,
/**
* Overwrite passed data. For an M*N matrix, this either
* overwrites the passed matrix with as many singular vectors as there is
* room for. Details depend on the actual algorithm
*/
Overwrite,
/**
* Compute parts of the singular vectors. For an M*N matrix,
* this computes min(M,N) singular vectors
*/
Part;
/**
* @return the netlib character version of this designation, for use with
* F2J.
*/
public String netlib() {
switch (this) {
case All :
return "A";
case Part :
return "S";
case Overwrite :
return "O";
default :
return "N";
}
}
}