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make matrix multiplication do immediate evaluation; add lazyMul() for the old behaviour

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some reorganization, especially in MatrixStorage
start playing with loop unrolling, always_inline, and __restrict__
This commit is contained in:
Benoit Jacob
2007-09-29 08:28:36 +00:00
parent 51e29ae4bd
commit ee63e15e2c
10 changed files with 113 additions and 50 deletions
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23
src/internal/Object.h
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@@ -36,6 +36,19 @@ template<typename Scalar, typename Derived> class EiObject
template<typename OtherDerived>
void _copy_helper(const EiObject<Scalar, OtherDerived>& other)
{
if(RowsAtCompileTime == 3 && ColsAtCompileTime == 3)
{
write(0,0) = other.read(0,0);
write(1,0) = other.read(1,0);
write(2,0) = other.read(2,0);
write(0,1) = other.read(0,1);
write(1,1) = other.read(1,1);
write(2,1) = other.read(2,1);
write(0,2) = other.read(0,2);
write(1,2) = other.read(1,2);
write(2,2) = other.read(2,2);
}
else
for(int i = 0; i < rows(); i++)
for(int j = 0; j < cols(); j++)
write(i, j) = other.read(i, j);
@@ -54,7 +67,7 @@ template<typename Scalar, typename Derived> class EiObject
Ref ref() const
{ return static_cast<const Derived *>(this)->_ref(); }
Scalar& write(int row, int col)
Scalar& EI_RESTRICT write(int row, int col)
{
return static_cast<Derived *>(this)->_write(row, col);
}
@@ -86,6 +99,10 @@ template<typename Scalar, typename Derived> class EiObject
EiMinor<Derived> minor(int row, int col);
EiBlock<Derived> block(int startRow, int endRow, int startCol= 0, int endCol = 0);
template<typename OtherDerived>
EiMatrixProduct<Derived, OtherDerived>
lazyMul(const EiObject<Scalar, OtherDerived>& other) const EI_ALWAYS_INLINE;
template<typename OtherDerived>
Derived& operator+=(const EiObject<Scalar, OtherDerived>& other);
template<typename OtherDerived>
@@ -110,10 +127,10 @@ template<typename Scalar, typename Derived> class EiObject
Scalar operator()(int row, int col = 0) const
{ return read(row, col); }
Scalar& operator()(int row, int col = 0)
Scalar& EI_RESTRICT operator()(int row, int col = 0)
{ return write(row, col); }
EiEval<Derived> eval() const;
EiEval<Derived> eval() const EI_ALWAYS_INLINE;
};
template<typename Scalar, typename Derived>