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+/**
+ * @file m3math_test.cpp
+ * @author Adroit
+ * @date 2007-03
+ * @brief Test cases of m3math.h
+ *
+ * $LicenseInfo:firstyear=2007&license=viewergpl$
+ *
+ * Copyright (c) 2007-2009, Linden Research, Inc.
+ *
+ * Second Life Viewer Source Code
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab. Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
+ *
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at
+ * http://secondlifegrid.net/programs/open_source/licensing/flossexception
+ *
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ *
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+#include "../m3math.h"
+#include "../v3math.h"
+#include "../v4math.h"
+#include "../m4math.h"
+#include "../llquaternion.h"
+#include "../v3dmath.h"
+
+#include "../test/lltut.h"
+
+namespace tut
+{
+ struct m3math_test
+ {
+ };
+ typedef test_group<m3math_test> m3math_test_t;
+ typedef m3math_test_t::object m3math_test_object_t;
+ tut::m3math_test_t tut_m3math_test("m3math_test");
+
+ //test case for setIdentity() fn.
+ template<> template<>
+ void m3math_test_object_t::test<1>()
+ {
+ LLMatrix3 llmat3_obj;
+ llmat3_obj.setIdentity();
+ ensure("LLMatrix3::setIdentity failed", 1.f == llmat3_obj.mMatrix[0][0] &&
+ 0.f == llmat3_obj.mMatrix[0][1] &&
+ 0.f == llmat3_obj.mMatrix[0][2] &&
+ 0.f == llmat3_obj.mMatrix[1][0] &&
+ 1.f == llmat3_obj.mMatrix[1][1] &&
+ 0.f == llmat3_obj.mMatrix[1][2] &&
+ 0.f == llmat3_obj.mMatrix[2][0] &&
+ 0.f == llmat3_obj.mMatrix[2][1] &&
+ 1.f == llmat3_obj.mMatrix[2][2]);
+ }
+
+ //test case for LLMatrix3& setZero() fn.
+ template<> template<>
+ void m3math_test_object_t::test<2>()
+ {
+ LLMatrix3 llmat3_obj(30, 1, 2, 3);
+ llmat3_obj.setZero();
+
+ ensure("LLMatrix3::setZero failed", 0.f == llmat3_obj.setZero().mMatrix[0][0] &&
+ 0.f == llmat3_obj.setZero().mMatrix[0][1] &&
+ 0.f == llmat3_obj.setZero().mMatrix[0][2] &&
+ 0.f == llmat3_obj.setZero().mMatrix[1][0] &&
+ 0.f == llmat3_obj.setZero().mMatrix[1][1] &&
+ 0.f == llmat3_obj.setZero().mMatrix[1][2] &&
+ 0.f == llmat3_obj.setZero().mMatrix[2][0] &&
+ 0.f == llmat3_obj.setZero().mMatrix[2][1] &&
+ 0.f == llmat3_obj.setZero().mMatrix[2][2]);
+ }
+
+ //test case for setRows(const LLVector3 &x_axis, const LLVector3 &y_axis, const LLVector3 &z_axis) fns.
+ template<> template<>
+ void m3math_test_object_t::test<3>()
+ {
+ LLMatrix3 llmat3_obj;
+ LLVector3 vect1(2, 1, 4);
+ LLVector3 vect2(3, 5, 7);
+ LLVector3 vect3(6, 9, 7);
+ llmat3_obj.setRows(vect1, vect2, vect3);
+ ensure("LLVector3::setRows failed ", 2 == llmat3_obj.mMatrix[0][0] &&
+ 1 == llmat3_obj.mMatrix[0][1] &&
+ 4 == llmat3_obj.mMatrix[0][2] &&
+ 3 == llmat3_obj.mMatrix[1][0] &&
+ 5 == llmat3_obj.mMatrix[1][1] &&
+ 7 == llmat3_obj.mMatrix[1][2] &&
+ 6 == llmat3_obj.mMatrix[2][0] &&
+ 9 == llmat3_obj.mMatrix[2][1] &&
+ 7 == llmat3_obj.mMatrix[2][2]);
+ }
+
+ //test case for getFwdRow(), getLeftRow(), getUpRow() fns.
+ template<> template<>
+ void m3math_test_object_t::test<4>()
+ {
+ LLMatrix3 llmat3_obj;
+ LLVector3 vect1(2, 1, 4);
+ LLVector3 vect2(3, 5, 7);
+ LLVector3 vect3(6, 9, 7);
+ llmat3_obj.setRows(vect1, vect2, vect3);
+
+ ensure("LLVector3::getFwdRow failed ", vect1 == llmat3_obj.getFwdRow());
+ ensure("LLVector3::getLeftRow failed ", vect2 == llmat3_obj.getLeftRow());
+ ensure("LLVector3::getUpRow failed ", vect3 == llmat3_obj.getUpRow());
+ }
+
+ //test case for operator*(const LLMatrix3 &a, const LLMatrix3 &b)
+ template<> template<>
+ void m3math_test_object_t::test<5>()
+ {
+ LLMatrix3 llmat_obj1;
+ LLMatrix3 llmat_obj2;
+ LLMatrix3 llmat_obj3;
+
+ LLVector3 llvec1(1, 3, 5);
+ LLVector3 llvec2(3, 6, 1);
+ LLVector3 llvec3(4, 6, 9);
+
+ LLVector3 llvec4(1, 1, 5);
+ LLVector3 llvec5(3, 6, 8);
+ LLVector3 llvec6(8, 6, 2);
+
+ LLVector3 llvec7(0, 0, 0);
+ LLVector3 llvec8(0, 0, 0);
+ LLVector3 llvec9(0, 0, 0);
+
+ llmat_obj1.setRows(llvec1, llvec2, llvec3);
+ llmat_obj2.setRows(llvec4, llvec5, llvec6);
+ llmat_obj3.setRows(llvec7, llvec8, llvec9);
+ llmat_obj3 = llmat_obj1 * llmat_obj2;
+ ensure("LLMatrix3::operator*(const LLMatrix3 &a, const LLMatrix3 &b) failed",
+ 50 == llmat_obj3.mMatrix[0][0] &&
+ 49 == llmat_obj3.mMatrix[0][1] &&
+ 39 == llmat_obj3.mMatrix[0][2] &&
+ 29 == llmat_obj3.mMatrix[1][0] &&
+ 45 == llmat_obj3.mMatrix[1][1] &&
+ 65 == llmat_obj3.mMatrix[1][2] &&
+ 94 == llmat_obj3.mMatrix[2][0] &&
+ 94 == llmat_obj3.mMatrix[2][1] &&
+ 86 == llmat_obj3.mMatrix[2][2]);
+ }
+
+
+ //test case for operator*(const LLVector3 &a, const LLMatrix3 &b)
+ template<> template<>
+ void m3math_test_object_t::test<6>()
+ {
+
+ LLMatrix3 llmat_obj1;
+
+ LLVector3 llvec(1, 3, 5);
+ LLVector3 res_vec(0, 0, 0);
+ LLVector3 llvec1(1, 3, 5);
+ LLVector3 llvec2(3, 6, 1);
+ LLVector3 llvec3(4, 6, 9);
+
+ llmat_obj1.setRows(llvec1, llvec2, llvec3);
+ res_vec = llvec * llmat_obj1;
+
+ LLVector3 expected_result(30, 51, 53);
+
+ ensure("LLMatrix3::operator*(const LLVector3 &a, const LLMatrix3 &b) failed", res_vec == expected_result);
+ }
+
+ //test case for operator*(const LLVector3d &a, const LLMatrix3 &b)
+ template<> template<>
+ void m3math_test_object_t::test<7>()
+ {
+ LLMatrix3 llmat_obj1;
+ LLVector3d llvec3d1;
+ LLVector3d llvec3d2(0, 3, 4);
+
+ LLVector3 llvec1(1, 3, 5);
+ LLVector3 llvec2(3, 2, 1);
+ LLVector3 llvec3(4, 6, 0);
+
+ llmat_obj1.setRows(llvec1, llvec2, llvec3);
+ llvec3d1 = llvec3d2 * llmat_obj1;
+
+ LLVector3d expected_result(25, 30, 3);
+
+ ensure("LLMatrix3::operator*(const LLVector3 &a, const LLMatrix3 &b) failed", llvec3d1 == expected_result);
+ }
+
+ // test case for operator==(const LLMatrix3 &a, const LLMatrix3 &b)
+ template<> template<>
+ void m3math_test_object_t::test<8>()
+ {
+ LLMatrix3 llmat_obj1;
+ LLMatrix3 llmat_obj2;
+
+ LLVector3 llvec1(1, 3, 5);
+ LLVector3 llvec2(3, 6, 1);
+ LLVector3 llvec3(4, 6, 9);
+
+ llmat_obj1.setRows(llvec1, llvec2, llvec3);
+ llmat_obj2.setRows(llvec1, llvec2, llvec3);
+ ensure("LLMatrix3::operator==(const LLMatrix3 &a, const LLMatrix3 &b) failed", llmat_obj1 == llmat_obj2);
+
+ llmat_obj2.setRows(llvec2, llvec2, llvec3);
+ ensure("LLMatrix3::operator!=(const LLMatrix3 &a, const LLMatrix3 &b) failed", llmat_obj1 != llmat_obj2);
+ }
+
+ //test case for quaternion() fn.
+ template<> template<>
+ void m3math_test_object_t::test<9>()
+ {
+ LLMatrix3 llmat_obj1;
+ LLQuaternion llmat_quat;
+
+ LLVector3 llmat1(2.0f, 1.0f, 6.0f);
+ LLVector3 llmat2(1.0f, 1.0f, 3.0f);
+ LLVector3 llmat3(1.0f, 7.0f, 5.0f);
+
+ llmat_obj1.setRows(llmat1, llmat2, llmat3);
+ llmat_quat = llmat_obj1.quaternion();
+ ensure("LLMatrix3::quaternion failed ", is_approx_equal(-0.66666669f, llmat_quat.mQ[0]) &&
+ is_approx_equal(-0.83333337f, llmat_quat.mQ[1]) &&
+ is_approx_equal(0.0f, llmat_quat.mQ[2]) &&
+ is_approx_equal(1.5f, llmat_quat.mQ[3]));
+ }
+
+ //test case for transpose() fn.
+ template<> template<>
+ void m3math_test_object_t::test<10>()
+ {
+ LLMatrix3 llmat_obj;
+
+ LLVector3 llvec1(1, 2, 3);
+ LLVector3 llvec2(3, 2, 1);
+ LLVector3 llvec3(2, 2, 2);
+
+ llmat_obj.setRows(llvec1, llvec2, llvec3);
+ llmat_obj.transpose();
+
+ LLVector3 resllvec1(1, 3, 2);
+ LLVector3 resllvec2(2, 2, 2);
+ LLVector3 resllvec3(3, 1, 2);
+ LLMatrix3 expectedllmat_obj;
+ expectedllmat_obj.setRows(resllvec1, resllvec2, resllvec3);
+
+ ensure("LLMatrix3::transpose failed ", llmat_obj == expectedllmat_obj);
+ }
+
+ //test case for determinant() fn.
+ template<> template<>
+ void m3math_test_object_t::test<11>()
+ {
+ LLMatrix3 llmat_obj1;
+
+ LLVector3 llvec1(1, 2, 3);
+ LLVector3 llvec2(3, 2, 1);
+ LLVector3 llvec3(2, 2, 2);
+ llmat_obj1.setRows(llvec1, llvec2, llvec3);
+ ensure("LLMatrix3::determinant failed ", 0.0f == llmat_obj1.determinant());
+ }
+
+ //test case for orthogonalize() fn.
+ template<> template<>
+ void m3math_test_object_t::test<12>()
+ {
+ LLMatrix3 llmat_obj;
+
+ LLVector3 llvec1(1, 4, 3);
+ LLVector3 llvec2(1, 2, 0);
+ LLVector3 llvec3(2, 4, 2);
+
+ llmat_obj.setRows(llvec1, llvec2, llvec3);
+ llmat_obj.orthogonalize();
+
+ skip("Grr, LLMatrix3::orthogonalize test is failing. Has it ever worked?");
+ ensure("LLMatrix3::orthogonalize failed ",
+ is_approx_equal(0.19611613f, llmat_obj.mMatrix[0][0]) &&
+ is_approx_equal(0.78446454f, llmat_obj.mMatrix[0][1]) &&
+ is_approx_equal(0.58834839f, llmat_obj.mMatrix[0][2]) &&
+ is_approx_equal(0.47628206f, llmat_obj.mMatrix[1][0]) &&
+ is_approx_equal(0.44826555f, llmat_obj.mMatrix[1][1]) &&
+ is_approx_equal(-0.75644791f, llmat_obj.mMatrix[1][2]) &&
+ is_approx_equal(-0.85714287f, llmat_obj.mMatrix[2][0]) &&
+ is_approx_equal(0.42857143f, llmat_obj.mMatrix[2][1]) &&
+ is_approx_equal(-0.28571427f, llmat_obj.mMatrix[2][2]));
+ }
+
+ //test case for adjointTranspose() fn.
+ template<> template<>
+ void m3math_test_object_t::test<13>()
+ {
+ LLMatrix3 llmat_obj;
+
+ LLVector3 llvec1(3, 2, 1);
+ LLVector3 llvec2(6, 2, 1);
+ LLVector3 llvec3(3, 6, 8);
+
+ llmat_obj.setRows(llvec1, llvec2, llvec3);
+ llmat_obj.adjointTranspose();
+
+ ensure("LLMatrix3::adjointTranspose failed ", 10 == llmat_obj.mMatrix[0][0] &&
+ -45 == llmat_obj.mMatrix[1][0] &&
+ 30 == llmat_obj.mMatrix[2][0] &&
+ -10 == llmat_obj.mMatrix[0][1] &&
+ 21 == llmat_obj.mMatrix[1][1] &&
+ -12 == llmat_obj.mMatrix[2][1] &&
+ 0 == llmat_obj.mMatrix[0][2] &&
+ 3 == llmat_obj.mMatrix[1][2] &&
+ -6 == llmat_obj.mMatrix[2][2]);
+ }
+
+ /* TBD: Need to add test cases for getEulerAngles() and setRot() functions */
+}
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