sizeof.cpp File Reference

#include "main.h"

Functions
template<typename MatrixType >
void	verifySizeOf (const MatrixType &)
	EIGEN_DECLARE_TEST (sizeof)

Function Documentation

EIGEN_DECLARE_TEST()

EIGEN_DECLARE_TEST

(

sizeof

)

                           {
  CALL_SUBTEST(verifySizeOf(Matrix<float, 1, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 2, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 3, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 4, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 5, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 6, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 7, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 8, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 9, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 10, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 11, 1>()));
  CALL_SUBTEST(verifySizeOf(Array<float, 12, 1>()));
  CALL_SUBTEST(verifySizeOf(Vector2d()));
  CALL_SUBTEST(verifySizeOf(Vector4f()));
  CALL_SUBTEST(verifySizeOf(Matrix4d()));
  CALL_SUBTEST(verifySizeOf(Matrix<float, 300, Eigen::Dynamic>()));
  CALL_SUBTEST(verifySizeOf(Matrix<float, Eigen::Dynamic, 300>()));
  CALL_SUBTEST(verifySizeOf(Matrix<double, 4, 2>()));
  CALL_SUBTEST(verifySizeOf(Matrix<bool, 7, 5>()));
  CALL_SUBTEST(verifySizeOf(MatrixXcf(3, 3)));
  CALL_SUBTEST(verifySizeOf(MatrixXi(8, 12)));
  CALL_SUBTEST(verifySizeOf(MatrixXcd(20, 20)));
  CALL_SUBTEST(verifySizeOf(Matrix<float, 100, 100>()));
 
  VERIFY(sizeof(std::complex<float>) == 2 * sizeof(float));
  VERIFY(sizeof(std::complex<double>) == 2 * sizeof(double));
}

References CALL_SUBTEST, VERIFY, and verifySizeOf().

verifySizeOf()

template<typename MatrixType >

void verifySizeOf

(

const MatrixType &

)

                                     {
  typedef typename MatrixType::Scalar Scalar;
  if (MatrixType::RowsAtCompileTime != Dynamic && MatrixType::ColsAtCompileTime != Dynamic)
    VERIFY_IS_EQUAL(std::ptrdiff_t(sizeof(MatrixType)),
                    std::ptrdiff_t(sizeof(Scalar)) * std::ptrdiff_t(MatrixType::SizeAtCompileTime));
  else if (MatrixType::RowsAtCompileTime != Dynamic || MatrixType::ColsAtCompileTime != Dynamic)
    VERIFY_IS_EQUAL(sizeof(MatrixType), sizeof(Scalar*) + sizeof(Index));
  else
    VERIFY_IS_EQUAL(sizeof(MatrixType), sizeof(Scalar*) + 2 * sizeof(Index));
}

References Eigen::Dynamic, and VERIFY_IS_EQUAL.

Referenced by EIGEN_DECLARE_TEST().