/*
* org.openmicroscopy.shoola.util.math.Approximation
*
*------------------------------------------------------------------------------
* Copyright (C) 2006 University of Dundee. All rights reserved.
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*------------------------------------------------------------------------------
*/
package org.openmicroscopy.shoola.util.math;
//Java imports
//Third-party libraries
//Application-internal dependencies
/**
* Utility class. Collection of static methods.
*
* @author Jean-Marie Burel
* <a href="mailto:j.burel@dundee.ac.uk">j.burel@dundee.ac.uk</a>
* @author <br>Andrea Falconi
* <a href="mailto:a.falconi@dundee.ac.uk">
* a.falconi@dundee.ac.uk</a>
* @version 2.2
* <small>
* (<b>Internal version:</b> $Revision$ $Date$)
* </small>
* @since OME2.2
*/
public class Approximation
{
/**
* Returns the nearest integer e.g.
* 1.2 returns 1, 1.6 returns 2.
*
* @param v The value to check.
* @return See above.
*/
public static double nearestInteger(double v)
{
double d = Math.floor(v);
double diff = Math.abs(v-d);
double value = d;
if (diff > 0.5) value++;
return value;
}
/**
* Returns the smallest integer.
*
* @param v The value to check
* @return See above.
*/
public static double smallestInteger(double v) { return Math.floor(v); }
/**
* Returns the largest integer.
*
* @param v The value to check
* @return See above.
*/
public static double largestInteger(double v) { return Math.ceil(v); }
}