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
13template<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
60void 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