/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package test;

import org.apache.singa.swig.*;


import junit.framework.*;
import static org.junit.Assert.*;

public class TestTensor extends TestCase {

	 protected void setUp(){
	     System.loadLibrary("singa_wrap");
	   }
	public void testTensorFunc() {
		Shape s = new Shape(2);
		s.set(0, 2);
		s.set(1, 3);

		Tensor t1 = new Tensor(s);
		t1.SetFloatValue(0.1f);
		Tensor t2 = singa_wrap.Square(t1);
		float[] data = new float[6];

		t2.GetFloatValue(data, 6);
		for(int i = 0; i < 6; i++)
			assertEquals(data[i], 0.01, 1e-4);

		for (int i =0; i< 6; i++)
			data[i] = i * 1.0f;
		Tensor t3 = new Tensor(s);
		t3.CopyFloatDataFromHostPtr(data, 6);


		t3.GetFloatValue(data, 6);
		for(int i = 0; i < 6; i++)
			assertEquals(data[i], i * 1.0f, 1e-4);

	}

}