/*******************************************************************************
* Copyright (c) 2001-2005 Sasa Markovic and Ciaran Treanor.
* Copyright (c) 2011 The OpenNMS Group, Inc.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*******************************************************************************/
package org.jrobin.graph;
class PathIterator {
private double[] y;
private int pos = 0;
PathIterator(double[] y) {
this.y = y;
}
int[] getNextPath() {
while (pos < y.length) {
if (Double.isNaN(y[pos])) {
pos++;
}
else {
int endPos = pos + 1;
while (endPos < y.length && !Double.isNaN(y[endPos])) {
endPos++;
}
int[] result = {pos, endPos};
pos = endPos;
if (result[1] - result[0] >= 2) {
return result;
}
}
}
return null;
}
}