1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2006-2008 Benoit Jacob <jacob.benoit.1@gmail.com>
5 //
6 // This Source Code Form is subject to the terms of the Mozilla
7 // Public License v. 2.0. If a copy of the MPL was not distributed
8 // with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
9
10 #define EIGEN_NO_STATIC_ASSERT
11 #include "main.h"
12
smallVectors()13 template<typename Scalar> void smallVectors()
14 {
15 typedef Matrix<Scalar, 1, 2> V2;
16 typedef Matrix<Scalar, 3, 1> V3;
17 typedef Matrix<Scalar, 1, 4> V4;
18 typedef Matrix<Scalar, Dynamic, 1> VX;
19 Scalar x1 = internal::random<Scalar>(),
20 x2 = internal::random<Scalar>(),
21 x3 = internal::random<Scalar>(),
22 x4 = internal::random<Scalar>();
23 V2 v2(x1, x2);
24 V3 v3(x1, x2, x3);
25 V4 v4(x1, x2, x3, x4);
26 VERIFY_IS_APPROX(x1, v2.x());
27 VERIFY_IS_APPROX(x1, v3.x());
28 VERIFY_IS_APPROX(x1, v4.x());
29 VERIFY_IS_APPROX(x2, v2.y());
30 VERIFY_IS_APPROX(x2, v3.y());
31 VERIFY_IS_APPROX(x2, v4.y());
32 VERIFY_IS_APPROX(x3, v3.z());
33 VERIFY_IS_APPROX(x3, v4.z());
34 VERIFY_IS_APPROX(x4, v4.w());
35
36 if (!NumTraits<Scalar>::IsInteger)
37 {
38 VERIFY_RAISES_ASSERT(V3(2, 1))
39 VERIFY_RAISES_ASSERT(V3(3, 2))
40 VERIFY_RAISES_ASSERT(V3(Scalar(3), 1))
41 VERIFY_RAISES_ASSERT(V3(3, Scalar(1)))
42 VERIFY_RAISES_ASSERT(V3(Scalar(3), Scalar(1)))
43 VERIFY_RAISES_ASSERT(V3(Scalar(123), Scalar(123)))
44
45 VERIFY_RAISES_ASSERT(V4(1, 3))
46 VERIFY_RAISES_ASSERT(V4(2, 4))
47 VERIFY_RAISES_ASSERT(V4(1, Scalar(4)))
48 VERIFY_RAISES_ASSERT(V4(Scalar(1), 4))
49 VERIFY_RAISES_ASSERT(V4(Scalar(1), Scalar(4)))
50 VERIFY_RAISES_ASSERT(V4(Scalar(123), Scalar(123)))
51
52 VERIFY_RAISES_ASSERT(VX(3, 2))
53 VERIFY_RAISES_ASSERT(VX(Scalar(3), 1))
54 VERIFY_RAISES_ASSERT(VX(3, Scalar(1)))
55 VERIFY_RAISES_ASSERT(VX(Scalar(3), Scalar(1)))
56 VERIFY_RAISES_ASSERT(VX(Scalar(123), Scalar(123)))
57 }
58 }
59
test_smallvectors()60 void test_smallvectors()
61 {
62 for(int i = 0; i < g_repeat; i++) {
63 CALL_SUBTEST(smallVectors<int>() );
64 CALL_SUBTEST(smallVectors<float>() );
65 CALL_SUBTEST(smallVectors<double>() );
66 }
67 }
68