tom@948: /* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
tom@948:  * Software engineering by Intevation GmbH
tom@948:  *
tom@948:  * This file is Free Software under the GNU GPL (v>=3)
tom@948:  * and comes with ABSOLUTELY NO WARRANTY! Check out
tom@948:  * the documentation coming with IMIS-Labordaten-Application for details.
tom@948:  */
tom@948: package de.intevation.lada.util.data;
tom@948: 
tom@948: import java.math.BigDecimal;
tom@948: import java.math.MathContext;
tom@948: import java.math.RoundingMode;
tom@948: 
tom@948: /**
tom@948:  * Utilities for calculations
tom@948:  *
tom@948:  */
tom@948: public class MathUtil {
tom@948: 
tom@948:     public static final MathContext ROUNDING_CONTEXT = new MathContext(
tom@948:         3, RoundingMode.HALF_EVEN);
tom@948: 
tom@948:     public static Double roundDoubleToThree(Double value) {
tom@948:         if (value == null) {
tom@948:             return null;
tom@948:         }
tom@948:         return BigDecimal.valueOf(value).round(ROUNDING_CONTEXT).doubleValue();
tom@948:     }
tom@948: 
tom@948: }