/*
 * Zorbage: an algebraic data hierarchy for use in numeric processing.
 *
 * Copyright (C) 2016-2018 Barry DeZonia
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
package nom.bdezonia.zorbage.algorithm;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

import nom.bdezonia.zorbage.groups.G;
import nom.bdezonia.zorbage.type.data.float64.real.Float64Member;

/**
 * 
 * @author Barry DeZonia
 *
 */
public class TestSinc {

	@Test
	public void test() {
		Float64Member x = G.DBL.construct("111");
		Float64Member result = G.DBL.construct("999");
		
		x.setV(0);
		Sinc.compute(G.DBL, x, result);
		assertEquals(1, result.v(), 0);
		
		x.setV(Math.PI/2);
		Sinc.compute(G.DBL, x, result);
		assertEquals(Math.sin(Math.PI/2)/(Math.PI/2), result.v(), 0);
		
		x.setV(Math.PI);
		Sinc.compute(G.DBL, x, result);
		assertEquals(Math.sin(Math.PI)/(Math.PI), result.v(), 0);
		
		x.setV(3*Math.PI/2);
		Sinc.compute(G.DBL, x, result);
		assertEquals(Math.sin(3*Math.PI/2)/(3*Math.PI/2), result.v(), 0);
	}
}

@@ -1906,32 +1906,154 @@
 ult.v(), 0);%0A%09%09%0A
+%09%09x.setV(Math.PI/4);%0A%09%09Sinc.compute(G.DBL, x, result);%0A%09%09assertEquals(Math.sin(Math.PI/4)/(Math.PI/4), result.v(), 0);%0A%09%09%0A
 %09%09x.setV(Math.PI
@@ -2167,23 +2167,27 @@
 %09x.setV(
+3*
 Math.PI
+/4
 );%0A%09%09Sin
@@ -2243,25 +2243,275 @@
 sin(
+3*
 Math.PI
+/4
 )/(
+3*
 Math.PI
+/4), result.v(), 0);%0A%09%09%0A%09%09x.setV(Math.PI);%0A%09%09Sinc.compute(G.DBL, x, result);%0A%09%09assertEquals(Math.sin(Math.PI)/(Math.PI), result.v(), 0);%0A%0A%09%09x.setV(5*Math.PI/4);%0A%09%09Sinc.compute(G.DBL, x, result);%0A%09%09assertEquals(Math.sin(5*Math.PI/4)/(5*Math.PI/4
 ), r
@@ -2652,14 +2652,143 @@
 v(), 0);
+%0A%0A%09%09x.setV(7*Math.PI/4);%0A%09%09Sinc.compute(G.DBL, x, result);%0A%09%09assertEquals(Math.sin(7*Math.PI/4)/(7*Math.PI/4), result.v(), 0);%0A%09%09
 %0A%09%7D%0A%7D%0A

Improve test coverage in Sinc algorithm