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Diffstat (limited to 'eigen/test/stdlist_overload.cpp')
-rw-r--r-- | eigen/test/stdlist_overload.cpp | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/eigen/test/stdlist_overload.cpp b/eigen/test/stdlist_overload.cpp new file mode 100644 index 0000000..bb910bd --- /dev/null +++ b/eigen/test/stdlist_overload.cpp @@ -0,0 +1,192 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2008 Benoit Jacob <jacob.benoit.1@gmail.com> +// Copyright (C) 2010 Hauke Heibel <hauke.heibel@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" + +#include <Eigen/StdList> +#include <Eigen/Geometry> + +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Vector4f) + +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Matrix2f) +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Matrix4f) +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Matrix4d) + +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Affine3f) +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Affine3d) + +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Quaternionf) +EIGEN_DEFINE_STL_LIST_SPECIALIZATION(Quaterniond) + +template <class Container, class Position> +typename Container::iterator get(Container & c, Position position) +{ + typename Container::iterator it = c.begin(); + std::advance(it, position); + return it; +} + +template <class Container, class Position, class Value> +void set(Container & c, Position position, const Value & value) +{ + typename Container::iterator it = c.begin(); + std::advance(it, position); + *it = value; +} + +template<typename MatrixType> +void check_stdlist_matrix(const MatrixType& m) +{ + typename MatrixType::Index rows = m.rows(); + typename MatrixType::Index cols = m.cols(); + MatrixType x = MatrixType::Random(rows,cols), y = MatrixType::Random(rows,cols); + std::list<MatrixType> v(10, MatrixType(rows,cols)), w(20, y); + typename std::list<MatrixType>::iterator itv = get(v, 5); + typename std::list<MatrixType>::iterator itw = get(w, 6); + *itv = x; + *itw = *itv; + VERIFY_IS_APPROX(*itw, *itv); + v = w; + itv = v.begin(); + itw = w.begin(); + for(int i = 0; i < 20; i++) + { + VERIFY_IS_APPROX(*itw, *itv); + ++itv; + ++itw; + } + + v.resize(21); + set(v, 20, x); + VERIFY_IS_APPROX(*get(v, 20), x); + v.resize(22,y); + VERIFY_IS_APPROX(*get(v, 21), y); + v.push_back(x); + VERIFY_IS_APPROX(*get(v, 22), x); + + // do a lot of push_back such that the list gets internally resized + // (with memory reallocation) + MatrixType* ref = &(*get(w, 0)); + for(int i=0; i<30 || ((ref==&(*get(w, 0))) && i<300); ++i) + v.push_back(*get(w, i%w.size())); + for(unsigned int i=23; i<v.size(); ++i) + { + VERIFY((*get(v, i))==(*get(w, (i-23)%w.size()))); + } +} + +template<typename TransformType> +void check_stdlist_transform(const TransformType&) +{ + typedef typename TransformType::MatrixType MatrixType; + TransformType x(MatrixType::Random()), y(MatrixType::Random()); + std::list<TransformType> v(10), w(20, y); + typename std::list<TransformType>::iterator itv = get(v, 5); + typename std::list<TransformType>::iterator itw = get(w, 6); + *itv = x; + *itw = *itv; + VERIFY_IS_APPROX(*itw, *itv); + v = w; + itv = v.begin(); + itw = w.begin(); + for(int i = 0; i < 20; i++) + { + VERIFY_IS_APPROX(*itw, *itv); + ++itv; + ++itw; + } + + v.resize(21); + set(v, 20, x); + VERIFY_IS_APPROX(*get(v, 20), x); + v.resize(22,y); + VERIFY_IS_APPROX(*get(v, 21), y); + v.push_back(x); + VERIFY_IS_APPROX(*get(v, 22), x); + + // do a lot of push_back such that the list gets internally resized + // (with memory reallocation) + TransformType* ref = &(*get(w, 0)); + for(int i=0; i<30 || ((ref==&(*get(w, 0))) && i<300); ++i) + v.push_back(*get(w, i%w.size())); + for(unsigned int i=23; i<v.size(); ++i) + { + VERIFY(get(v, i)->matrix()==get(w, (i-23)%w.size())->matrix()); + } +} + +template<typename QuaternionType> +void check_stdlist_quaternion(const QuaternionType&) +{ + typedef typename QuaternionType::Coefficients Coefficients; + QuaternionType x(Coefficients::Random()), y(Coefficients::Random()); + std::list<QuaternionType> v(10), w(20, y); + typename std::list<QuaternionType>::iterator itv = get(v, 5); + typename std::list<QuaternionType>::iterator itw = get(w, 6); + *itv = x; + *itw = *itv; + VERIFY_IS_APPROX(*itw, *itv); + v = w; + itv = v.begin(); + itw = w.begin(); + for(int i = 0; i < 20; i++) + { + VERIFY_IS_APPROX(*itw, *itv); + ++itv; + ++itw; + } + + v.resize(21); + set(v, 20, x); + VERIFY_IS_APPROX(*get(v, 20), x); + v.resize(22,y); + VERIFY_IS_APPROX(*get(v, 21), y); + v.push_back(x); + VERIFY_IS_APPROX(*get(v, 22), x); + + // do a lot of push_back such that the list gets internally resized + // (with memory reallocation) + QuaternionType* ref = &(*get(w, 0)); + for(int i=0; i<30 || ((ref==&(*get(w, 0))) && i<300); ++i) + v.push_back(*get(w, i%w.size())); + for(unsigned int i=23; i<v.size(); ++i) + { + VERIFY(get(v, i)->coeffs()==get(w, (i-23)%w.size())->coeffs()); + } +} + +void test_stdlist_overload() +{ + // some non vectorizable fixed sizes + CALL_SUBTEST_1(check_stdlist_matrix(Vector2f())); + CALL_SUBTEST_1(check_stdlist_matrix(Matrix3f())); + CALL_SUBTEST_2(check_stdlist_matrix(Matrix3d())); + + // some vectorizable fixed sizes + CALL_SUBTEST_1(check_stdlist_matrix(Matrix2f())); + CALL_SUBTEST_1(check_stdlist_matrix(Vector4f())); + CALL_SUBTEST_1(check_stdlist_matrix(Matrix4f())); + CALL_SUBTEST_2(check_stdlist_matrix(Matrix4d())); + + // some dynamic sizes + CALL_SUBTEST_3(check_stdlist_matrix(MatrixXd(1,1))); + CALL_SUBTEST_3(check_stdlist_matrix(VectorXd(20))); + CALL_SUBTEST_3(check_stdlist_matrix(RowVectorXf(20))); + CALL_SUBTEST_3(check_stdlist_matrix(MatrixXcf(10,10))); + + // some Transform + CALL_SUBTEST_4(check_stdlist_transform(Affine2f())); // does not need the specialization (2+1)^2 = 9 + CALL_SUBTEST_4(check_stdlist_transform(Affine3f())); + CALL_SUBTEST_4(check_stdlist_transform(Affine3d())); + + // some Quaternion + CALL_SUBTEST_5(check_stdlist_quaternion(Quaternionf())); + CALL_SUBTEST_5(check_stdlist_quaternion(Quaterniond())); +} |