// @(#)$Id: SqrtExample.java 1199 2009-02-17 19:42:32Z smshaner $

// Copyright (C) 2003 Iowa State University

// This file is part of JML

// JML 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, or (at your option)
// any later version.

// JML 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 JML; see the file COPYING.  If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.


package org.jmlspecs.samples.jmltutorial;

import org.jmlspecs.models.JMLDouble;

public class SqrtExample {

    public final static double eps = 0.0001;

    //@ requires x >= 0.0;
    //@ ensures JMLDouble.approximatelyEqualTo(x, \result * \result, eps);
    public static double sqrt(double x) {
        return Math.sqrt(x);
    }
}