/**
* Copyright (C) 2010-2017 Gordon Fraser, Andrea Arcuri and EvoSuite
* contributors
*
* This file is part of EvoSuite.
*
* EvoSuite 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 3.0 of the License, or
* (at your option) any later version.
*
* EvoSuite 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 Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
*/
package com.examples.with.different.packagename.concolic;
public class Fraction {
/** A fraction representing "1/5". */
public static final Fraction ONE_FIFTH = new Fraction(1, 5);
/** The denominator. */
private final int denominator;
/** The numerator. */
private final int numerator;
/**
* Create a fraction given the numerator and denominator. The fraction is
* reduced to lowest terms.
* @param num the numerator.
* @param den the denominator.
* @throws ArithmeticException if the denominator is <code>zero</code>
*/
public Fraction(int num, int den) {
if (den == 0) {
throw MathRuntimeException.createArithmeticException("zero denominator in fraction {0}/{1}",
num, den);
}
if (den < 0) {
if (num == Integer.MIN_VALUE || den == Integer.MIN_VALUE) {
throw MathRuntimeException.createArithmeticException("overflow in fraction {0}/{1}, cannot negate",
num, den);
}
num = -num;
den = -den;
}
// reduce numerator and denominator by greatest common denominator.
final int d = MathUtils.gcd(num, den);
if (d > 1) {
num /= d;
den /= d;
}
// move sign to numerator.
if (den < 0) {
num = -num;
den = -den;
}
this.numerator = num;
this.denominator = den;
}
}