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backport the initialize-by-0 option

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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
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12
Eigen/src/Core/Matrix.h
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@ -25,6 +25,11 @@
#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
/** \class Matrix
*
@ -234,6 +239,7 @@ class Matrix
&& (MaxColsAtCompileTime == Dynamic || MaxColsAtCompileTime >= cols)
&& (ColsAtCompileTime == Dynamic || ColsAtCompileTime == 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
@ -247,6 +253,7 @@ class Matrix
m_storage.resize(size, 1, size);
else
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.
@ -290,13 +297,14 @@ 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())
{}
{EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED}
#endif
/** Constructs a vector or row-vector with given dimension. \only_for_vectors
@ -312,6 +320,7 @@ 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
}
/** 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)
&& y > 0 && (ColsAtCompileTime == Dynamic || ColsAtCompileTime == y));
EIGEN_INITIALIZE_BY_ZERO_IF_THAT_OPTION_IS_ENABLED
}
}
/** constructs an initialized 2D vector with given coefficients */