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      1 // This file is part of Eigen, a lightweight C++ template library
      2 // for linear algebra. Eigen itself is part of the KDE project.
      3 //
      4 // Copyright (C) 2007-2010 Benoit Jacob <jacob.benoit.1 (at) 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 #include "main.h"
     11 
     12 template<typename VectorType> void map_class_vector(const VectorType& m)
     13 {
     14   typedef typename VectorType::Scalar Scalar;
     15 
     16   int size = m.size();
     17 
     18   // test Map.h
     19   Scalar* array1 = ei_aligned_new<Scalar>(size);
     20   Scalar* array2 = ei_aligned_new<Scalar>(size);
     21   Scalar* array3 = new Scalar[size+1];
     22   Scalar* array3unaligned = std::size_t(array3)%16 == 0 ? array3+1 : array3;
     23 
     24   Map<VectorType, Aligned>(array1, size) = VectorType::Random(size);
     25   Map<VectorType>(array2, size) = Map<VectorType>(array1, size);
     26   Map<VectorType>(array3unaligned, size) = Map<VectorType>((const Scalar*)array1, size); // test non-const-correctness support in eigen2
     27   VectorType ma1 = Map<VectorType>(array1, size);
     28   VectorType ma2 = Map<VectorType, Aligned>(array2, size);
     29   VectorType ma3 = Map<VectorType>(array3unaligned, size);
     30   VERIFY_IS_APPROX(ma1, ma2);
     31   VERIFY_IS_APPROX(ma1, ma3);
     32 
     33   ei_aligned_delete(array1, size);
     34   ei_aligned_delete(array2, size);
     35   delete[] array3;
     36 }
     37 
     38 template<typename MatrixType> void map_class_matrix(const MatrixType& m)
     39 {
     40   typedef typename MatrixType::Scalar Scalar;
     41 
     42   int rows = m.rows(), cols = m.cols(), size = rows*cols;
     43 
     44   // test Map.h
     45   Scalar* array1 = ei_aligned_new<Scalar>(size);
     46   for(int i = 0; i < size; i++) array1[i] = Scalar(1);
     47   Scalar* array2 = ei_aligned_new<Scalar>(size);
     48   for(int i = 0; i < size; i++) array2[i] = Scalar(1);
     49   Scalar* array3 = new Scalar[size+1];
     50   for(int i = 0; i < size+1; i++) array3[i] = Scalar(1);
     51   Scalar* array3unaligned = std::size_t(array3)%16 == 0 ? array3+1 : array3;
     52   Map<MatrixType, Aligned>(array1, rows, cols) = MatrixType::Ones(rows,cols);
     53   Map<MatrixType>(array2, rows, cols) = Map<MatrixType>((const Scalar*)array1, rows, cols); // test non-const-correctness support in eigen2
     54   Map<MatrixType>(array3unaligned, rows, cols) = Map<MatrixType>(array1, rows, cols);
     55   MatrixType ma1 = Map<MatrixType>(array1, rows, cols);
     56   MatrixType ma2 = Map<MatrixType, Aligned>(array2, rows, cols);
     57   VERIFY_IS_APPROX(ma1, ma2);
     58   MatrixType ma3 = Map<MatrixType>(array3unaligned, rows, cols);
     59   VERIFY_IS_APPROX(ma1, ma3);
     60 
     61   ei_aligned_delete(array1, size);
     62   ei_aligned_delete(array2, size);
     63   delete[] array3;
     64 }
     65 
     66 template<typename VectorType> void map_static_methods(const VectorType& m)
     67 {
     68   typedef typename VectorType::Scalar Scalar;
     69 
     70   int size = m.size();
     71 
     72   // test Map.h
     73   Scalar* array1 = ei_aligned_new<Scalar>(size);
     74   Scalar* array2 = ei_aligned_new<Scalar>(size);
     75   Scalar* array3 = new Scalar[size+1];
     76   Scalar* array3unaligned = std::size_t(array3)%16 == 0 ? array3+1 : array3;
     77 
     78   VectorType::MapAligned(array1, size) = VectorType::Random(size);
     79   VectorType::Map(array2, size) = VectorType::Map(array1, size);
     80   VectorType::Map(array3unaligned, size) = VectorType::Map(array1, size);
     81   VectorType ma1 = VectorType::Map(array1, size);
     82   VectorType ma2 = VectorType::MapAligned(array2, size);
     83   VectorType ma3 = VectorType::Map(array3unaligned, size);
     84   VERIFY_IS_APPROX(ma1, ma2);
     85   VERIFY_IS_APPROX(ma1, ma3);
     86 
     87   ei_aligned_delete(array1, size);
     88   ei_aligned_delete(array2, size);
     89   delete[] array3;
     90 }
     91 
     92 
     93 void test_eigen2_map()
     94 {
     95   for(int i = 0; i < g_repeat; i++) {
     96     CALL_SUBTEST_1( map_class_vector(Matrix<float, 1, 1>()) );
     97     CALL_SUBTEST_2( map_class_vector(Vector4d()) );
     98     CALL_SUBTEST_3( map_class_vector(RowVector4f()) );
     99     CALL_SUBTEST_4( map_class_vector(VectorXcf(8)) );
    100     CALL_SUBTEST_5( map_class_vector(VectorXi(12)) );
    101 
    102     CALL_SUBTEST_1( map_class_matrix(Matrix<float, 1, 1>()) );
    103     CALL_SUBTEST_2( map_class_matrix(Matrix4d()) );
    104     CALL_SUBTEST_6( map_class_matrix(Matrix<float,3,5>()) );
    105     CALL_SUBTEST_4( map_class_matrix(MatrixXcf(ei_random<int>(1,10),ei_random<int>(1,10))) );
    106     CALL_SUBTEST_5( map_class_matrix(MatrixXi(ei_random<int>(1,10),ei_random<int>(1,10))) );
    107 
    108     CALL_SUBTEST_1( map_static_methods(Matrix<double, 1, 1>()) );
    109     CALL_SUBTEST_2( map_static_methods(Vector3f()) );
    110     CALL_SUBTEST_7( map_static_methods(RowVector3d()) );
    111     CALL_SUBTEST_4( map_static_methods(VectorXcd(8)) );
    112     CALL_SUBTEST_5( map_static_methods(VectorXf(12)) );
    113   }
    114 }
    115