Here you can find the source of roundMjdToSeconds(double timeStep)
public static double roundMjdToSeconds(double timeStep)
//package com.java2s; /*// w w w.j a v a 2 s .co m * JGrass - Free Open Source Java GIS http://www.jgrass.org * (C) HydroloGIS - www.hydrologis.com * * This program 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 3 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 Lesser General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ public class Main { public static double roundMjdToSeconds(double timeStep) { double jd0 = timeStep * 100000.0; double jd = Math.floor(jd0); if (jd0 - jd > 0.5) ++jd; timeStep = jd / 100000; return timeStep; } }