miscmatrices.cpp revision 7faaa9f3f0df9d23790277834d426c3d992ac3ba 
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#include "main.h"
11
12template<typename MatrixType> void miscMatrices(const MatrixType& m)
13{
14  /* this test covers the following files:
15     DiagonalMatrix.h Ones.h
16  */
17  typedef typename MatrixType::Index Index;
18  typedef typename MatrixType::Scalar Scalar;
19  typedef Matrix<Scalar, MatrixType::RowsAtCompileTime, 1> VectorType;
20  Index rows = m.rows();
21  Index cols = m.cols();
22
23  Index r = internal::random<Index>(0, rows-1), r2 = internal::random<Index>(0, rows-1), c = internal::random<Index>(0, cols-1);
24  VERIFY_IS_APPROX(MatrixType::Ones(rows,cols)(r,c), static_cast<Scalar>(1));
25  MatrixType m1 = MatrixType::Ones(rows,cols);
26  VERIFY_IS_APPROX(m1(r,c), static_cast<Scalar>(1));
27  VectorType v1 = VectorType::Random(rows);
28  v1[0];
29  Matrix<Scalar, MatrixType::RowsAtCompileTime, MatrixType::RowsAtCompileTime>
30  square(v1.asDiagonal());
31  if(r==r2) VERIFY_IS_APPROX(square(r,r2), v1[r]);
32  else VERIFY_IS_MUCH_SMALLER_THAN(square(r,r2), static_cast<Scalar>(1));
33  square = MatrixType::Zero(rows, rows);
34  square.diagonal() = VectorType::Ones(rows);
35  VERIFY_IS_APPROX(square, MatrixType::Identity(rows, rows));
36}
37
38void test_miscmatrices()
39{
40  for(int i = 0; i < g_repeat; i++) {
41    CALL_SUBTEST_1( miscMatrices(Matrix<float, 1, 1>()) );
42    CALL_SUBTEST_2( miscMatrices(Matrix4d()) );
43    CALL_SUBTEST_3( miscMatrices(MatrixXcf(3, 3)) );
44    CALL_SUBTEST_4( miscMatrices(MatrixXi(8, 12)) );
45    CALL_SUBTEST_5( miscMatrices(MatrixXcd(20, 20)) );
46  }
47}
48