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Added missing tests for quaternions
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‎src/test/java/io/github/scalamath/vecmatlib/TestQuatd.java‎

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package io.github.scalamath.vecmatlib;
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import org.junit.Assert;
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import org.junit.Test;
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public class TestQuatd {
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private static void assertEqualsApprox(Quatd expected, Quatd actual) {
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Assert.assertEquals(expected.w(), actual.w(), 1e-6);
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Assert.assertEquals(expected.x(), actual.x(), 1e-6);
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Assert.assertEquals(expected.y(), actual.y(), 1e-6);
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Assert.assertEquals(expected.z(), actual.z(), 1e-6);
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}
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@Test
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public void testSumWithFourValues() {
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var q = new Quatd(1.2, 1.4, -2.1, 3.0);
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var res = new Quatd(1.5, -0.1, -1.0, 3.0);
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assertEqualsApprox(res, q.plus(0.3, -1.5, 1.1, 0.0));
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}
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@Test
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public void testSumOfTwoQuaternions() {
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var q1 = new Quatd(1.2, 1.4, -2.1, 3.0);
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var q2 = new Quatd(0.3, -1.5, 1.1, 0.0);
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var res = new Quatd(1.5, -0.1, -1.0, 3.0);
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assertEqualsApprox(res, q1.plus(q2));
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}
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@Test
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public void testSubtractionWithFourValues() {
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var q = new Quatd(1.2, 1.4, -2.1, 3.0);
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var res = new Quatd(0.9, 2.9, -3.2, 3.0);
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assertEqualsApprox(res, q.minus(0.3, -1.5, 1.1, 0.0));
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}
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@Test
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public void testSubtractionOfTwoQuaternions() {
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var q1 = new Quatd(1.2, 1.4, -2.1, 3.0);
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var q2 = new Quatd(0.3, -1.5, 1.1, 0.0);
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var res = new Quatd(0.9, 2.9, -3.2, 3.0);
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assertEqualsApprox(res, q1.minus(q2));
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}
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@Test
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public void testNegated() {
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var q = new Quatd(1.2, 1.4, -2.1, 3.0);
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var p = new Quatd(-1.2, -1.4, 2.1, -3.0);
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Assert.assertEquals(p, q.negated());
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}
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@Test
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public void testMultipliedByScalar() {
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var q = new Quatd(1.2, 1.4, -2.1, 3.0);
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var res = new Quatd(1.44, 1.68, -2.52, 3.6);
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assertEqualsApprox(res, q.multipliedBy(1.2));
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}
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@Test
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public void testDividedByScalar() {
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var q = new Quatd(1.2, 1.4, -2.1, 3.0);
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var res = new Quatd(0.6, 0.7, -1.05, 1.5);
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assertEqualsApprox(res, q.dividedBy(2.0));
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}
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@Test
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public void testMultiplyWithFourValues() {
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var q = new Quatd(1.2, 1.4, -2.1, 3.0);
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var res = new Quatd(4.77, -4.68, -3.81, -0.71);
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assertEqualsApprox(res, q.multiply(0.3, -1.5, 1.1, 0.0));
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}
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@Test
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public void testMultiplyTwoQuaternions() {
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var q1 = new Quatd(1.2, 1.4, -2.1, 3.0);
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var q2 = new Quatd(0.3, -1.5, 1.1, 0.0);
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var res = new Quatd(4.77, -4.68, -3.81, -0.71);
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assertEqualsApprox(res, q1.multiply(q2));
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}
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@Test
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public void testDivideTwoQuaternions() {
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var q1 = new Quatd(1.0, 1.0, 1.0, 1.0);
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var q2 = new Quatd(1.0, 0.0, 1.0, 0.0);
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var res = new Quatd(1.0, 1.0, 0.0, 0.0);
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assertEqualsApprox(res, q1.divide(q2));
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}
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@Test
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public void testDivideWithFourValues() {
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var q = new Quatd(1.0, 1.0, 1.0, 1.0);
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var res = new Quatd(1.0, 1.0, 0.0, 0.0);
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assertEqualsApprox(res, q.divide(1.0, 0.0, 1.0, 0.0));
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}
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@Test
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public void testEqualsApprox() {
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var q1 = new Quatd(1.20000001, 1.39999999, -2.09999999, 3.00000001);
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var q2 = new Quatd(1.2, 1.4, -2.1, 3.0);
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Assert.assertTrue(q1.equalsApprox(q2));
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}
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}

‎src/test/java/io/github/scalamath/vecmatlib/TestQuatf.java‎

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package io.github.scalamath.vecmatlib;
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import org.junit.Assert;
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import org.junit.Test;
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public class TestQuatf {
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private static void assertEqualsApprox(Quatf expected, Quatf actual) {
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Assert.assertEquals(expected.w(), actual.w(), 1e-6f);
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Assert.assertEquals(expected.x(), actual.x(), 1e-6f);
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Assert.assertEquals(expected.y(), actual.y(), 1e-6f);
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Assert.assertEquals(expected.z(), actual.z(), 1e-6f);
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}
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@Test
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public void testSumWithFourValues() {
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var q = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var res = new Quatf(1.5f, -0.1f, -1.0f, 3.0f);
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assertEqualsApprox(res, q.plus(0.3f, -1.5f, 1.1f, 0.0f));
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}
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@Test
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public void testSumOfTwoQuaternions() {
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var q1 = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var q2 = new Quatf(0.3f, -1.5f, 1.1f, 0.0f);
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var res = new Quatf(1.5f, -0.1f, -1.0f, 3.0f);
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assertEqualsApprox(res, q1.plus(q2));
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}
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@Test
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public void testSubtractionWithFourValues() {
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var q = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var res = new Quatf(0.9f, 2.9f, -3.2f, 3.0f);
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assertEqualsApprox(res, q.minus(0.3f, -1.5f, 1.1f, 0.0f));
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}
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@Test
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public void testSubtractionOfTwoQuaternions() {
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var q1 = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var q2 = new Quatf(0.3f, -1.5f, 1.1f, 0.0f);
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var res = new Quatf(0.9f, 2.9f, -3.2f, 3.0f);
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assertEqualsApprox(res, q1.minus(q2));
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}
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@Test
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public void testNegated() {
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var q = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var p = new Quatf(-1.2f, -1.4f, 2.1f, -3.0f);
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Assert.assertEquals(p, q.negated());
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}
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@Test
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public void testMultipliedByScalar() {
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var q = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var res = new Quatf(1.44f, 1.68f, -2.52f, 3.6f);
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assertEqualsApprox(res, q.multipliedBy(1.2f));
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}
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@Test
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public void testDividedByScalar() {
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var q = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var res = new Quatf(0.6f, 0.7f, -1.05f, 1.5f);
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assertEqualsApprox(res, q.dividedBy(2.0f));
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}
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@Test
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public void testMultiplyWithFourValues() {
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var q = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var res = new Quatf(4.77f, -4.68f, -3.81f, -0.71f);
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assertEqualsApprox(res, q.multiply(0.3f, -1.5f, 1.1f, 0.0f));
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}
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@Test
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public void testMultiplyTwoQuaternions() {
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var q1 = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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var q2 = new Quatf(0.3f, -1.5f, 1.1f, 0.0f);
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var res = new Quatf(4.77f, -4.68f, -3.81f, -0.71f);
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assertEqualsApprox(res, q1.multiply(q2));
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}
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@Test
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public void testDivideTwoQuaternions() {
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var q1 = new Quatf(1.0f, 1.0f, 1.0f, 1.0f);
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var q2 = new Quatf(1.0f, 0.0f, 1.0f, 0.0f);
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var res = new Quatf(1.0f, 1.0f, 0.0f, 0.0f);
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assertEqualsApprox(res, q1.divide(q2));
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}
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@Test
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public void testDivideWithFourValues() {
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var q = new Quatf(1.0f, 1.0f, 1.0f, 1.0f);
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var res = new Quatf(1.0f, 1.0f, 0.0f, 0.0f);
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assertEqualsApprox(res, q.divide(1.0f, 0.0f, 1.0f, 0.0f));
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}
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@Test
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public void testEqualsApprox() {
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var q1 = new Quatf(1.20000001f, 1.39999999f, -2.09999999f, 3.00000001f);
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var q2 = new Quatf(1.2f, 1.4f, -2.1f, 3.0f);
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Assert.assertTrue(q1.equalsApprox(q2));
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}
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}

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