package nom.bdezonia.zorbage.algorithm; class TestSinchpi {}

/*
 * 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 TestSinchpi {

	@Test
	public void test() {
		Float64Member x = G.DBL.construct("111");
		Float64Member result = G.DBL.construct("999");
		
		x.setV(0);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(1, result.v(), 0);
		
		x.setV(1.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(Math.PI/4)/(Math.PI/4), result.v(), 0);
		
		x.setV(2.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(Math.PI/2)/(Math.PI/2), result.v(), 0);
		
		x.setV(3.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(3*Math.PI/4)/(3*Math.PI/4), result.v(), 0);
		
		x.setV(4.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(Math.PI)/(Math.PI), result.v(), 0);

		x.setV(5.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(5*Math.PI/4)/(5*Math.PI/4), result.v(), 0);
		
		x.setV(6.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(3*Math.PI/2)/(3*Math.PI/2), result.v(), 0);

		x.setV(7.0/4);
		Sinchpi.compute(G.DBL, x, result);
		assertEquals(Math.sinh(7*Math.PI/4)/(7*Math.PI/4), result.v(), 0);
		
	}
}

Test Sinchpi algorithm