[Jspro-cvs] jsPro/arrays Array.js,NONE,1.1

[Stuart W. <wi...@us...>]

Update of /cvsroot/jspro/jsPro/arrays
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv28755/arrays

Added Files:
	Array.js 
Log Message:
no message

--- NEW FILE: Array.js ---
/**
 * +--------------------------------------------------------------------------+
 * | jsPro - Array                                                            |
 * +--------------------------------------------------------------------------+
 * | Copyright (C) 2001-2005 Stuart Wigley                                    |
 * +--------------------------------------------------------------------------+
 * | 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              |
[...1285 lines suppressed...]
        for (var i = iStart; i < iEnd; i++) {
            if (typeof this[i] == 'number') {
                fSum += Math.pow((this[i] - fMean), 2);
                iCount++;
            }
        }

        if (iCount == 1) {
            throw vError = new UnknownException('Array.variance');
        }

        var fVariance = (iCount == 0) ? null : fSum / (iCount - 1);
    } catch (vError) {
        if (vError instanceof Error) {
            vError.handleError();
        }
    } finally {
        return vError ? null : fVariance;
    }
}