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constructor.cpp
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Thu, Feb 20, 21:59

constructor.cpp
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2017 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// 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/.
#define TEST_ENABLE_TEMPORARY_TRACKING
#include "main.h"
template<typename MatrixType> struct Wrapper
{
MatrixType m_mat;
inline Wrapper(const MatrixType &x) : m_mat(x) {}
inline operator const MatrixType& () const { return m_mat; }
inline operator MatrixType& () { return m_mat; }
};
enum my_sizes { M = 12, N = 7};
template<typename MatrixType> void ctor_init1(const MatrixType& m)
{
// Check logic in PlainObjectBase::_init1
Index rows = m.rows();
Index cols = m.cols();
MatrixType m0 = MatrixType::Random(rows,cols);
VERIFY_EVALUATION_COUNT( MatrixType m1(m0), 1);
VERIFY_EVALUATION_COUNT( MatrixType m2(m0+m0), 1);
VERIFY_EVALUATION_COUNT( MatrixType m2(m0.block(0,0,rows,cols)) , 1);
Wrapper<MatrixType> wrapper(m0);
VERIFY_EVALUATION_COUNT( MatrixType m3(wrapper) , 1);
}
EIGEN_DECLARE_TEST(constructor)
{
for(int i = 0; i < g_repeat; i++) {
CALL_SUBTEST_1( ctor_init1(Matrix<float, 1, 1>()) );
CALL_SUBTEST_1( ctor_init1(Matrix4d()) );
CALL_SUBTEST_1( ctor_init1(MatrixXcf(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
CALL_SUBTEST_1( ctor_init1(MatrixXi(internal::random<int>(1,EIGEN_TEST_MAX_SIZE), internal::random<int>(1,EIGEN_TEST_MAX_SIZE))) );
}
{
Matrix<Index,1,1> a(123);
VERIFY_IS_EQUAL(a[0], 123);
}
{
Matrix<Index,1,1> a(123.0);
VERIFY_IS_EQUAL(a[0], 123);
}
{
Matrix<float,1,1> a(123);
VERIFY_IS_EQUAL(a[0], 123.f);
}
{
Array<Index,1,1> a(123);
VERIFY_IS_EQUAL(a[0], 123);
}
{
Array<Index,1,1> a(123.0);
VERIFY_IS_EQUAL(a[0], 123);
}
{
Array<float,1,1> a(123);
VERIFY_IS_EQUAL(a[0], 123.f);
}
{
Array<Index,3,3> a(123);
VERIFY_IS_EQUAL(a(4), 123);
}
{
Array<Index,3,3> a(123.0);
VERIFY_IS_EQUAL(a(4), 123);
}
{
Array<float,3,3> a(123);
VERIFY_IS_EQUAL(a(4), 123.f);
}
{
MatrixXi m1(M,N);
VERIFY_IS_EQUAL(m1.rows(),M);
VERIFY_IS_EQUAL(m1.cols(),N);
ArrayXXi a1(M,N);
VERIFY_IS_EQUAL(a1.rows(),M);
VERIFY_IS_EQUAL(a1.cols(),N);
VectorXi v1(M);
VERIFY_IS_EQUAL(v1.size(),M);
ArrayXi a2(M);
VERIFY_IS_EQUAL(a2.size(),M);
}
}

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