1 // This file is part of Eigen, a lightweight C++ template library
2 // for linear algebra.
3 //
4 // Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
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 #include "main.h"
11 
12 
13 template<int M1, int M2, int N1, int N2>
test_blocks()14 void test_blocks()
15 {
16   Matrix<int, M1+M2, N1+N2> m_fixed;
17   MatrixXi m_dynamic(M1+M2, N1+N2);
18 
19   Matrix<int, M1, N1> mat11; mat11.setRandom();
20   Matrix<int, M1, N2> mat12; mat12.setRandom();
21   Matrix<int, M2, N1> mat21; mat21.setRandom();
22   Matrix<int, M2, N2> mat22; mat22.setRandom();
23 
24   MatrixXi matx11 = mat11, matx12 = mat12, matx21 = mat21, matx22 = mat22;
25 
26   {
27     VERIFY_IS_EQUAL((m_fixed << mat11, mat12, mat21, matx22).finished(), (m_dynamic << mat11, matx12, mat21, matx22).finished());
28     VERIFY_IS_EQUAL((m_fixed.template topLeftCorner<M1,N1>()), mat11);
29     VERIFY_IS_EQUAL((m_fixed.template topRightCorner<M1,N2>()), mat12);
30     VERIFY_IS_EQUAL((m_fixed.template bottomLeftCorner<M2,N1>()), mat21);
31     VERIFY_IS_EQUAL((m_fixed.template bottomRightCorner<M2,N2>()), mat22);
32     VERIFY_IS_EQUAL((m_fixed << mat12, mat11, matx21, mat22).finished(), (m_dynamic << mat12, matx11, matx21, mat22).finished());
33   }
34 
35   if(N1 > 0)
36   {
37     VERIFY_RAISES_ASSERT((m_fixed << mat11, mat12, mat11, mat21, mat22));
38     VERIFY_RAISES_ASSERT((m_fixed << mat11, mat12, mat21, mat21, mat22));
39   }
40   else
41   {
42     // allow insertion of zero-column blocks:
43     VERIFY_IS_EQUAL((m_fixed << mat11, mat12, mat11, mat11, mat21, mat21, mat22).finished(), (m_dynamic << mat12, mat22).finished());
44   }
45   if(M1 != M2)
46   {
47     VERIFY_RAISES_ASSERT((m_fixed << mat11, mat21, mat12, mat22));
48   }
49 }
50 
51 
52 template<int N>
53 struct test_block_recursion
54 {
runtest_block_recursion55   static void run()
56   {
57     test_blocks<(N>>6)&3, (N>>4)&3, (N>>2)&3, N & 3>();
58     test_block_recursion<N-1>::run();
59   }
60 };
61 
62 template<>
63 struct test_block_recursion<-1>
64 {
runtest_block_recursion65   static void run() { }
66 };
67 
test_commainitializer()68 void test_commainitializer()
69 {
70   Matrix3d m3;
71   Matrix4d m4;
72 
73   VERIFY_RAISES_ASSERT( (m3 << 1, 2, 3, 4, 5, 6, 7, 8) );
74 
75   #ifndef _MSC_VER
76   VERIFY_RAISES_ASSERT( (m3 << 1, 2, 3, 4, 5, 6, 7, 8, 9, 10) );
77   #endif
78 
79   double data[] = {1, 2, 3, 4, 5, 6, 7, 8, 9};
80   Matrix3d ref = Map<Matrix<double,3,3,RowMajor> >(data);
81 
82   m3 = Matrix3d::Random();
83   m3 << 1, 2, 3, 4, 5, 6, 7, 8, 9;
84   VERIFY_IS_APPROX(m3, ref );
85 
86   Vector3d vec[3];
87   vec[0] << 1, 4, 7;
88   vec[1] << 2, 5, 8;
89   vec[2] << 3, 6, 9;
90   m3 = Matrix3d::Random();
91   m3 << vec[0], vec[1], vec[2];
92   VERIFY_IS_APPROX(m3, ref);
93 
94   vec[0] << 1, 2, 3;
95   vec[1] << 4, 5, 6;
96   vec[2] << 7, 8, 9;
97   m3 = Matrix3d::Random();
98   m3 << vec[0].transpose(),
99         4, 5, 6,
100         vec[2].transpose();
101   VERIFY_IS_APPROX(m3, ref);
102 
103 
104   // recursively test all block-sizes from 0 to 3:
105   test_block_recursion<(1<<8) - 1>();
106 }
107