package jscl.math.function;
import jscl.JsclMathEngine;
import org.junit.Assert;
import org.junit.Test;
/**
* User: serso
* Date: 11/12/11
* Time: 4:17 PM
*/
public class DegTest {
@Test
public void testDeg() throws Exception {
final JsclMathEngine mathEngine = JsclMathEngine.getInstance();
Assert.assertEquals("2", mathEngine.evaluate("deg(0.03490658503988659)"));
Assert.assertEquals("-2", mathEngine.evaluate("deg(-0.03490658503988659)"));
Assert.assertEquals("180", mathEngine.evaluate("deg(" + String.valueOf(Math.PI) + ")"));
for (int i = 0; i < 1000; i++) {
double value = Math.random() * 100000;
assertEquals(value, Double.valueOf(mathEngine.evaluate("rad(deg(" + value + "))")));
assertEquals(value, Double.valueOf(mathEngine.evaluate("deg(rad(" + value + "))")));
}
}
private void assertEquals(double expected, Double actual) {
Assert.assertEquals(expected, actual, Math.pow(10, -8));
}
}