package jscl.math.function;
import jscl.AngleUnit;
import jscl.JsclMathEngine;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
public class SqrtTest {
@Test
public void testNumeric() throws Exception {
final JsclMathEngine me = JsclMathEngine.getInstance();
final AngleUnit defaultAngleUnits = me.getAngleUnits();
assertEquals("0.999906049801551+0.013707354604707*i", me.evaluate("√(√(-1))"));
assertEquals("0.998497149863864+0.05480366514879*i", me.evaluate("√(√(-1))^4"));
try {
me.setAngleUnits(AngleUnit.rad);
assertEquals("0.707106781186548+0.707106781186548*i", me.evaluate("√(√(-1))"));
assertEquals("-1+0*i", me.evaluate("√(√(-1))^4"));
} finally {
me.setAngleUnits(defaultAngleUnits);
}
}
}