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qtvector.cpp
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Mon, Jul 14, 19:12

qtvector.cpp
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2008 Gael Guennebaud <gael.guennebaud@inria.fr>
// Copyright (C) 2008 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/.
#define EIGEN_WORK_AROUND_QT_BUG_CALLING_WRONG_OPERATOR_NEW_FIXED_IN_QT_4_5
#include "main.h"
#include <QtCore/QVector>
#include <Eigen/Geometry>
#include <Eigen/QtAlignedMalloc>
template<typename MatrixType>
void check_qtvector_matrix(const MatrixType& m)
{
Index rows = m.rows();
Index cols = m.cols();
MatrixType x = MatrixType::Random(rows,cols), y = MatrixType::Random(rows,cols);
QVector<MatrixType> v(10, MatrixType(rows,cols)), w(20, y);
for(int i = 0; i < 20; i++)
{
VERIFY_IS_APPROX(w[i], y);
}
v[5] = x;
w[6] = v[5];
VERIFY_IS_APPROX(w[6], v[5]);
v = w;
for(int i = 0; i < 20; i++)
{
VERIFY_IS_APPROX(w[i], v[i]);
}
v.resize(21);
v[20] = x;
VERIFY_IS_APPROX(v[20], x);
v.fill(y,22);
VERIFY_IS_APPROX(v[21], y);
v.push_back(x);
VERIFY_IS_APPROX(v[22], x);
VERIFY((size_t)&(v[22]) == (size_t)&(v[21]) + sizeof(MatrixType));
// do a lot of push_back such that the vector gets internally resized
// (with memory reallocation)
MatrixType* ref = &w[0];
for(int i=0; i<30 || ((ref==&w[0]) && i<300); ++i)
v.push_back(w[i%w.size()]);
for(int i=23; i<v.size(); ++i)
{
VERIFY(v[i]==w[(i-23)%w.size()]);
}
}
template<typename TransformType>
void check_qtvector_transform(const TransformType&)
{
typedef typename TransformType::MatrixType MatrixType;
TransformType x(MatrixType::Random()), y(MatrixType::Random());
QVector<TransformType> v(10), w(20, y);
v[5] = x;
w[6] = v[5];
VERIFY_IS_APPROX(w[6], v[5]);
v = w;
for(int i = 0; i < 20; i++)
{
VERIFY_IS_APPROX(w[i], v[i]);
}
v.resize(21);
v[20] = x;
VERIFY_IS_APPROX(v[20], x);
v.fill(y,22);
VERIFY_IS_APPROX(v[21], y);
v.push_back(x);
VERIFY_IS_APPROX(v[22], x);
VERIFY((size_t)&(v[22]) == (size_t)&(v[21]) + sizeof(TransformType));
// do a lot of push_back such that the vector gets internally resized
// (with memory reallocation)
TransformType* ref = &w[0];
for(int i=0; i<30 || ((ref==&w[0]) && i<300); ++i)
v.push_back(w[i%w.size()]);
for(unsigned int i=23; int(i)<v.size(); ++i)
{
VERIFY(v[i].matrix()==w[(i-23)%w.size()].matrix());
}
}
template<typename QuaternionType>
void check_qtvector_quaternion(const QuaternionType&)
{
typedef typename QuaternionType::Coefficients Coefficients;
QuaternionType x(Coefficients::Random()), y(Coefficients::Random());
QVector<QuaternionType> v(10), w(20, y);
v[5] = x;
w[6] = v[5];
VERIFY_IS_APPROX(w[6], v[5]);
v = w;
for(int i = 0; i < 20; i++)
{
VERIFY_IS_APPROX(w[i], v[i]);
}
v.resize(21);
v[20] = x;
VERIFY_IS_APPROX(v[20], x);
v.fill(y,22);
VERIFY_IS_APPROX(v[21], y);
v.push_back(x);
VERIFY_IS_APPROX(v[22], x);
VERIFY((size_t)&(v[22]) == (size_t)&(v[21]) + sizeof(QuaternionType));
// do a lot of push_back such that the vector gets internally resized
// (with memory reallocation)
QuaternionType* ref = &w[0];
for(int i=0; i<30 || ((ref==&w[0]) && i<300); ++i)
v.push_back(w[i%w.size()]);
for(unsigned int i=23; int(i)<v.size(); ++i)
{
VERIFY(v[i].coeffs()==w[(i-23)%w.size()].coeffs());
}
}
EIGEN_DECLARE_TEST(qtvector)
{
// some non vectorizable fixed sizes
CALL_SUBTEST(check_qtvector_matrix(Vector2f()));
CALL_SUBTEST(check_qtvector_matrix(Matrix3f()));
CALL_SUBTEST(check_qtvector_matrix(Matrix3d()));
// some vectorizable fixed sizes
CALL_SUBTEST(check_qtvector_matrix(Matrix2f()));
CALL_SUBTEST(check_qtvector_matrix(Vector4f()));
CALL_SUBTEST(check_qtvector_matrix(Matrix4f()));
CALL_SUBTEST(check_qtvector_matrix(Matrix4d()));
// some dynamic sizes
CALL_SUBTEST(check_qtvector_matrix(MatrixXd(1,1)));
CALL_SUBTEST(check_qtvector_matrix(VectorXd(20)));
CALL_SUBTEST(check_qtvector_matrix(RowVectorXf(20)));
CALL_SUBTEST(check_qtvector_matrix(MatrixXcf(10,10)));
// some Transform
CALL_SUBTEST(check_qtvector_transform(Affine2f()));
CALL_SUBTEST(check_qtvector_transform(Affine3f()));
CALL_SUBTEST(check_qtvector_transform(Affine3d()));
//CALL_SUBTEST(check_qtvector_transform(Transform4d()));
// some Quaternion
CALL_SUBTEST(check_qtvector_quaternion(Quaternionf()));
CALL_SUBTEST(check_qtvector_quaternion(Quaternionf()));
}

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