doml.tests.vector_4d_test source code

1 module doml.tests.vector_4d_test;
2 
3 import std.stdio;
4 import Math = doml.math;
5 import doml.tests.dunit_tests;
6 
7 import doml.vector_4d;
8 
9 /*
10  * The MIT License
11  *
12  * Copyright (c) 2015-2021 JOML.
13  ^%$^ Translated by jordan4ibanez
14  *
15  * Permission is hereby granted, free of charge, to any person obtaining a copy
16  * of this software and associated documentation files (the "Software"), to deal
17  * in the Software without restriction, including without limitation the rights
18  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
19  * copies of the Software, and to permit persons to whom the Software is
20  * furnished to do so, subject to the following conditions:
21  *
22  * The above copyright notice and this permission notice shall be included in
23  * all copies or substantial portions of the Software.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
26  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
27  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
28  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
29  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
30  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
31  * THE SOFTWARE.
32  */
33 
34 /**
35  * Test class for {@link Vector4d}.
36  * @author Sebastian Fellner
37  */
38 unittest {
39 
40     writeln("\nBEGINNING VECTOR4D TESTING\n");
41 
42 
43     writeln("TESTING ANGLE VECTOR4D TO VECTOR4D");
44 
45     {
46         Vector4d testVec1 = Vector4d(2, -9.37, 5.892, -12.5);
47         Vector4d testVec2 = Vector4d();
48         
49         // angle(v, v) should give 0
50         double angle = testVec1.angle(testVec1);
51         assertEquals(0, angle, MANY_OPS_AROUND_ZERO_PRECISION_DOUBLE);
52         
53         // angle(v, -v) should give Math.PI
54         testVec1.negate(testVec2);
55         angle = testVec1.angle(testVec2);
56         assertEquals(Math.PI, angle, MANY_OPS_AROUND_ZERO_PRECISION_DOUBLE);
57     }
58 
59     writeln("PASSED!");
60 
61     writeln("TESTING MULTIPLY BY SCALAR INTO DESTINATION");
62 
63     {
64         Vector4d testVec1 = Vector4d(2, 2, 2, 2);
65         Vector4d destVec = Vector4d(0, 0, 0, 0);
66 
67         testVec1.mul(2, destVec);
68         assertEquals(Vector4d(4, 4, 4, 4), destVec);
69         assertEquals(Vector4d(2, 2, 2, 2), testVec1);
70     }
71 
72     writeln("PASSED!");
73 
74     writeln("TESTING DIVIDE BY SCALAR INTO DESTINATION");
75 
76     {
77         Vector4d testVec1 = Vector4d(2, 2, 2, 2);
78         Vector4d destVec = Vector4d(0, 0, 0, 0);
79 
80         testVec1.div(2, destVec);
81         assertEquals(Vector4d(1, 1, 1, 1), destVec);
82         assertEquals(Vector4d(2, 2, 2, 2), testVec1);
83     }
84 
85     writeln("PASSED!");
86 }