mirror of
https://gitlab.com/libeigen/eigen.git
synced 2024-12-27 07:29:52 +08:00
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
// This file is part of Eigen, a lightweight C++ template library
|
|
// for linear algebra.
|
|
//
|
|
// Copyright (C) 2011 Benoit Jacob <jacob.benoit.1@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla
|
|
// Public License v. 2.0. If a copy of the MPL was not distributed
|
|
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
#include "main.h"
|
|
|
|
|
|
template<typename MatrixType> void zeroReduction(const MatrixType& m) {
|
|
// Reductions that must hold for zero sized objects
|
|
VERIFY(m.all());
|
|
VERIFY(!m.any());
|
|
VERIFY(m.prod()==1);
|
|
VERIFY(m.sum()==0);
|
|
VERIFY(m.count()==0);
|
|
VERIFY(m.allFinite());
|
|
VERIFY(!m.hasNaN());
|
|
}
|
|
|
|
|
|
template<typename MatrixType> void zeroSizedMatrix()
|
|
{
|
|
MatrixType t1;
|
|
|
|
if (MatrixType::SizeAtCompileTime == Dynamic || MatrixType::SizeAtCompileTime == 0)
|
|
{
|
|
zeroReduction(t1);
|
|
if (MatrixType::RowsAtCompileTime == Dynamic)
|
|
VERIFY(t1.rows() == 0);
|
|
if (MatrixType::ColsAtCompileTime == Dynamic)
|
|
VERIFY(t1.cols() == 0);
|
|
|
|
if (MatrixType::RowsAtCompileTime == Dynamic && MatrixType::ColsAtCompileTime == Dynamic)
|
|
{
|
|
|
|
MatrixType t2(0, 0);
|
|
VERIFY(t2.rows() == 0);
|
|
VERIFY(t2.cols() == 0);
|
|
|
|
zeroReduction(t2);
|
|
VERIFY(t1==t2);
|
|
}
|
|
}
|
|
}
|
|
|
|
template<typename VectorType> void zeroSizedVector()
|
|
{
|
|
VectorType t1;
|
|
|
|
if (VectorType::SizeAtCompileTime == Dynamic || VectorType::SizeAtCompileTime==0)
|
|
{
|
|
zeroReduction(t1);
|
|
VERIFY(t1.size() == 0);
|
|
VectorType t2(DenseIndex(0)); // DenseIndex disambiguates with 0-the-null-pointer (error with gcc 4.4 and MSVC8)
|
|
VERIFY(t2.size() == 0);
|
|
zeroReduction(t2);
|
|
|
|
VERIFY(t1==t2);
|
|
}
|
|
}
|
|
|
|
void test_zerosized()
|
|
{
|
|
zeroSizedMatrix<Matrix2d>();
|
|
zeroSizedMatrix<Matrix3i>();
|
|
zeroSizedMatrix<Matrix<float, 2, Dynamic> >();
|
|
zeroSizedMatrix<MatrixXf>();
|
|
zeroSizedMatrix<Matrix<float, 0, 0> >();
|
|
zeroSizedMatrix<Matrix<float, Dynamic, 0, 0, 0, 0> >();
|
|
zeroSizedMatrix<Matrix<float, 0, Dynamic, 0, 0, 0> >();
|
|
zeroSizedMatrix<Matrix<float, Dynamic, Dynamic, 0, 0, 0> >();
|
|
zeroSizedMatrix<Matrix<float, 0, 4> >();
|
|
zeroSizedMatrix<Matrix<float, 4, 0> >();
|
|
|
|
zeroSizedVector<Vector2d>();
|
|
zeroSizedVector<Vector3i>();
|
|
zeroSizedVector<VectorXf>();
|
|
zeroSizedVector<Matrix<float, 0, 1> >();
|
|
zeroSizedVector<Matrix<float, 1, 0> >();
|
|
}
|