GitHub-Proxy/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2025-08-02 02:00:37 +08:00
Code Issues Packages Projects Releases Wiki Activity

backport the initialize-by-0 option

Browse Source
This commit is contained in:
Benoit Jacob 2009-11-12 12:53:24 -05:00
parent a2c838ff8f
commit e3f6c3115a
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
Eigen/src/Core/Matrix.h
View File

@ -25,6 +25,11 @@
#ifndef EIGEN_MATRIX_H #ifndef EIGEN_MATRIX_H
#define 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
/** \class Matrix /** \class Matrix
* *
@ -234,6 +239,7 @@ class Matrix
&& (MaxColsAtCompileTime == Dynamic || MaxColsAtCompileTime >= cols) && (MaxColsAtCompileTime == Dynamic || MaxColsAtCompileTime >= cols)
&& (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols)); && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == cols));
m_storage.resize(rows * cols, rows, cols); m_storage.resize(rows * cols, rows, cols);
EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED
} }
/** Resizes \c *this to a vector of length \a size /** Resizes \c *this to a vector of length \a size
@ -247,6 +253,7 @@ class Matrix
m_storage.resize(size, 1, size); m_storage.resize(size, 1, size);
else else
m_storage.resize(size, size, 1); m_storage.resize(size, size, 1);
EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED
} }
/** Copies the value of the expression \a other into \c *this with automatic resizing. /** Copies the value of the expression \a other into \c *this with automatic resizing.
@ -290,13 +297,14 @@ class Matrix
EIGEN_STRONG_INLINE explicit Matrix() : m_storage() EIGEN_STRONG_INLINE explicit Matrix() : m_storage()
{ {
_check_template_params(); _check_template_params();
EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED
} }
#ifndef EIGEN_PARSED_BY_DOXYGEN #ifndef EIGEN_PARSED_BY_DOXYGEN
/** \internal */ /** \internal */
Matrix(ei_constructor_without_unaligned_array_assert) Matrix(ei_constructor_without_unaligned_array_assert)
: m_storage(ei_constructor_without_unaligned_array_assert()) : m_storage(ei_constructor_without_unaligned_array_assert())
{} {EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED}
#endif #endif
/** Constructs a vector or row-vector with given dimension. \only_for_vectors /** Constructs a vector or row-vector with given dimension. \only_for_vectors
@ -312,6 +320,7 @@ class Matrix
EIGEN_STATIC_ASSERT_VECTOR_ONLY(Matrix) EIGEN_STATIC_ASSERT_VECTOR_ONLY(Matrix)
ei_assert(dim > 0); ei_assert(dim > 0);
ei_assert(SizeAtCompileTime == Dynamic || SizeAtCompileTime == dim); ei_assert(SizeAtCompileTime == Dynamic || SizeAtCompileTime == dim);
EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED
} }
/** This constructor has two very different behaviors, depending on the type of *this. /** This constructor has two very different behaviors, depending on the type of *this.
@ -337,6 +346,7 @@ class Matrix
{ {
ei_assert(x > 0 && (RowsAtCompileTime == Dynamic || RowsAtCompileTime == x) ei_assert(x > 0 && (RowsAtCompileTime == Dynamic || RowsAtCompileTime == x)
&& y > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == y)); && y > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == y));
EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED
} }
} }
/** constructs an initialized 2D vector with given coefficients */ /** constructs an initialized 2D vector with given coefficients */