stdvector_overload.cpp File Reference

#include "main.h"
#include <Eigen/StdVector>
#include <Eigen/Geometry>

Functions
template<typename MatrixType >
void	check_stdvector_matrix (const MatrixType &m)
template<typename TransformType >
void	check_stdvector_transform (const TransformType &)
template<typename QuaternionType >
void	check_stdvector_quaternion (const QuaternionType &)
	EIGEN_DECLARE_TEST (stdvector_overload)

Function Documentation

check_stdvector_matrix()

template<typename MatrixType >

void check_stdvector_matrix

(

const MatrixType &

m

)

                                                 {
  Index rows = m.rows();
  Index cols = m.cols();
  MatrixType x = MatrixType::Random(rows, cols), y = MatrixType::Random(rows, cols);
  std::vector<MatrixType> v(10, MatrixType::Zero(rows, cols)), 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.resize(22, y);
  VERIFY_IS_APPROX(v[21], y);
  v.push_back(x);
  VERIFY_IS_APPROX(v[22], x);
  VERIFY((std::uintptr_t) & (v[22]) == (std::uintptr_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 (unsigned int i = 23; i < v.size(); ++i) {
    VERIFY(v[i] == w[(i - 23) % w.size()]);
  }
}

References cols, i, m, rows, v, VERIFY, VERIFY_IS_APPROX, w, plotDoE::x, y, and oomph::PseudoSolidHelper::Zero.

Referenced by EIGEN_DECLARE_TEST().

check_stdvector_quaternion()

template<typename QuaternionType >

void check_stdvector_quaternion

(

const QuaternionType &

)

                                                       {
  typedef typename QuaternionType::Coefficients Coefficients;
  QuaternionType x(Coefficients::Random()), y(Coefficients::Random()), qi = QuaternionType::Identity();
  std::vector<QuaternionType> v(10, qi), 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.resize(22, y);
  VERIFY_IS_APPROX(v[21], y);
  v.push_back(x);
  VERIFY_IS_APPROX(v[22], x);
  VERIFY((std::uintptr_t) & (v[22]) == (std::uintptr_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; i < v.size(); ++i) {
    VERIFY(v[i].coeffs() == w[(i - 23) % w.size()].coeffs());
  }
}

References i, v, VERIFY, VERIFY_IS_APPROX, w, plotDoE::x, and y.

Referenced by EIGEN_DECLARE_TEST().

check_stdvector_transform()

template<typename TransformType >

void check_stdvector_transform

(

const TransformType &

)

                                                     {
  typedef typename TransformType::MatrixType MatrixType;
  TransformType x(MatrixType::Random()), y(MatrixType::Random());
  std::vector<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.resize(22, y);
  VERIFY_IS_APPROX(v[21], y);
  v.push_back(x);
  VERIFY_IS_APPROX(v[22], x);
  VERIFY((std::uintptr_t) & (v[22]) == (std::uintptr_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; i < v.size(); ++i) {
    VERIFY(v[i].matrix() == w[(i - 23) % w.size()].matrix());
  }
}

References i, matrix(), v, VERIFY, VERIFY_IS_APPROX, w, plotDoE::x, and y.

Referenced by EIGEN_DECLARE_TEST().

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

stdvector_overload

)

                                       {
  // some non vectorizable fixed sizes
  CALL_SUBTEST_1(check_stdvector_matrix(Vector2f()));
  CALL_SUBTEST_1(check_stdvector_matrix(Matrix3f()));
  CALL_SUBTEST_2(check_stdvector_matrix(Matrix3d()));
 
  // some vectorizable fixed sizes
  CALL_SUBTEST_1(check_stdvector_matrix(Matrix2f()));
  CALL_SUBTEST_1(check_stdvector_matrix(Vector4f()));
  CALL_SUBTEST_1(check_stdvector_matrix(Matrix4f()));
  CALL_SUBTEST_2(check_stdvector_matrix(Matrix4d()));
 
  // some dynamic sizes
  CALL_SUBTEST_3(check_stdvector_matrix(MatrixXd(1, 1)));
  CALL_SUBTEST_3(check_stdvector_matrix(VectorXd(20)));
  CALL_SUBTEST_3(check_stdvector_matrix(RowVectorXf(20)));
  CALL_SUBTEST_3(check_stdvector_matrix(MatrixXcf(10, 10)));
 
  // some Transform
  CALL_SUBTEST_4(check_stdvector_transform(Affine2f()));  // does not need the specialization (2+1)^2 = 9
  CALL_SUBTEST_4(check_stdvector_transform(Affine3f()));
  CALL_SUBTEST_4(check_stdvector_transform(Affine3d()));
 
  // some Quaternion
  CALL_SUBTEST_5(check_stdvector_quaternion(Quaternionf()));
  CALL_SUBTEST_5(check_stdvector_quaternion(Quaterniond()));
}

References CALL_SUBTEST_1, CALL_SUBTEST_2, CALL_SUBTEST_3, CALL_SUBTEST_4, CALL_SUBTEST_5, check_stdvector_matrix(), check_stdvector_quaternion(), and check_stdvector_transform().