| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed 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 android.util.cts; |
| |
| import junit.framework.TestCase; |
| import android.util.FloatMath; |
| |
| public class FloatMathTest extends TestCase { |
| |
| public void testSqrt() { |
| assertEquals(5.0f, FloatMath.sqrt(25)); |
| assertEquals(7, FloatMath.sqrt(49), 0); |
| assertEquals(10, FloatMath.sqrt(100), 0); |
| assertEquals(0, FloatMath.sqrt(0), 0); |
| assertEquals(1, FloatMath.sqrt(1), 0); |
| } |
| |
| public void testFloor() { |
| assertEquals(78, FloatMath.floor(78.89f), 0); |
| assertEquals(-79, FloatMath.floor(-78.89f), 0); |
| assertEquals(7.0f, FloatMath.floor(7.2f)); |
| assertEquals(-7.0f, FloatMath.floor(-6.3f)); |
| } |
| |
| public void testCeil() { |
| assertEquals(79, FloatMath.ceil(78.89f), 0); |
| assertEquals(-78, FloatMath.ceil(-78.89f), 0); |
| assertEquals(8.0f, FloatMath.ceil(7.2f)); |
| assertEquals(-6.0f, FloatMath.ceil(-6.3f)); |
| } |
| |
| public void testCos() { |
| assertEquals(1.0f, FloatMath.cos(0), 0); |
| assertEquals(0.5403023058681398f, FloatMath.cos(1), 0); |
| assertEquals(0.964966f, FloatMath.cos(50)); |
| assertEquals(0.69925081f, FloatMath.cos(150)); |
| assertEquals(0.964966f, FloatMath.cos(-50)); |
| } |
| |
| public void testSin() { |
| assertEquals(0.0, FloatMath.sin(0), 0); |
| assertEquals(0.8414709848078965f, FloatMath.sin(1), 0); |
| assertEquals(-0.26237485f, FloatMath.sin(50)); |
| assertEquals(-0.71487643f, FloatMath.sin(150)); |
| assertEquals(0.26237485f, FloatMath.sin(-50)); |
| |
| } |
| } |
| |