diff options
Diffstat (limited to 'Eigen/src/Core/Matrix.h')
| -rw-r--r-- | Eigen/src/Core/Matrix.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Eigen/src/Core/Matrix.h b/Eigen/src/Core/Matrix.h index 17d2f2836..3cd7edfd6 100644 --- a/Eigen/src/Core/Matrix.h +++ b/Eigen/src/Core/Matrix.h @@ -25,6 +25,12 @@ #ifndef EIGEN_MATRIX_H #define EIGEN_MATRIX_H +#ifdef EIGEN_INITIALIZE_MATRICES_BY_ZERO +# define EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED setZero(); +#else +# define EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED +#endif + template <typename Derived, typename OtherDerived, bool IsVector = static_cast<bool>(Derived::IsVectorAtCompileTime)> struct ei_conservative_resize_like_impl; /** \class Matrix @@ -427,13 +433,14 @@ class Matrix EIGEN_STRONG_INLINE explicit Matrix() : m_storage() { _check_template_params(); + EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED } #ifndef EIGEN_PARSED_BY_DOXYGEN /** \internal */ Matrix(ei_constructor_without_unaligned_array_assert) : m_storage(ei_constructor_without_unaligned_array_assert()) - { _check_template_params(); } + { _check_template_params(); EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED } #endif /** Constructs a vector or row-vector with given dimension. \only_for_vectors @@ -449,6 +456,7 @@ class Matrix EIGEN_STATIC_ASSERT_VECTOR_ONLY(Matrix) ei_assert(dim > 0); ei_assert(SizeAtCompileTime == Dynamic || SizeAtCompileTime == dim); + EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED } #ifndef EIGEN_PARSED_BY_DOXYGEN @@ -692,6 +700,7 @@ class Matrix ei_assert(rows > 0 && (RowsAtCompileTime == Dynamic || RowsAtCompileTime == rows) && cols > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols)); m_storage.resize(rows*cols,rows,cols); + EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED } template<typename T0, typename T1> EIGEN_STRONG_INLINE void _init2(const Scalar& x, const Scalar& y, typename ei_enable_if<Base::SizeAtCompileTime==2,T0>::type* = 0) |