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improve the expression analyzer to bypass Transpose expression

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This commit is contained in:
Gael Guennebaud
2009-07-28 14:02:12 +02:00
parent 6713c75fac
commit 7ed7ec64b5
5 changed files with 76 additions and 61 deletions
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12
Eigen/src/Core/SolveTriangular.h
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@@ -40,14 +40,14 @@ struct ei_triangular_solver_selector<Lhs,Rhs,Mode,NoUnrolling,RowMajor,1>
{
typedef typename Rhs::Scalar Scalar;
typedef ei_blas_traits<Lhs> LhsProductTraits;
typedef typename LhsProductTraits::ActualXprType ActualLhsType;
typedef typename LhsProductTraits::ExtractType ActualLhsType;
enum {
IsLowerTriangular = ((Mode&LowerTriangularBit)==LowerTriangularBit)
};
static void run(const Lhs& lhs, Rhs& other)
{
static const int PanelWidth = EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH;
const ActualLhsType& actualLhs = LhsProductTraits::extract(lhs);
ActualLhsType actualLhs = LhsProductTraits::extract(lhs);
const int size = lhs.cols();
for(int pi=IsLowerTriangular ? 0 : size;
@@ -94,7 +94,7 @@ struct ei_triangular_solver_selector<Lhs,Rhs,Mode,NoUnrolling,ColMajor,1>
typedef typename Rhs::Scalar Scalar;
typedef typename ei_packet_traits<Scalar>::type Packet;
typedef ei_blas_traits<Lhs> LhsProductTraits;
typedef typename LhsProductTraits::ActualXprType ActualLhsType;
typedef typename LhsProductTraits::ExtractType ActualLhsType;
enum {
PacketSize = ei_packet_traits<Scalar>::size,
IsLowerTriangular = ((Mode&LowerTriangularBit)==LowerTriangularBit)
@@ -103,7 +103,7 @@ struct ei_triangular_solver_selector<Lhs,Rhs,Mode,NoUnrolling,ColMajor,1>
static void run(const Lhs& lhs, Rhs& other)
{
static const int PanelWidth = EIGEN_TUNE_TRIANGULAR_PANEL_WIDTH;
const ActualLhsType& actualLhs = LhsProductTraits::extract(lhs);
ActualLhsType actualLhs = LhsProductTraits::extract(lhs);
const int size = lhs.cols();
for(int pi=IsLowerTriangular ? 0 : size;
@@ -151,10 +151,10 @@ struct ei_triangular_solver_selector<Lhs,Rhs,Mode,NoUnrolling,StorageOrder,RhsCo
{
typedef typename Rhs::Scalar Scalar;
typedef ei_blas_traits<Lhs> LhsProductTraits;
typedef typename LhsProductTraits::ActualXprType ActualLhsType;
typedef typename LhsProductTraits::DirectLinearAccessType ActualLhsType;
static void run(const Lhs& lhs, Rhs& rhs)
{
const ActualLhsType& actualLhs = LhsProductTraits::extract(lhs);
const ActualLhsType actualLhs = LhsProductTraits::extract(lhs);
ei_triangular_solve_matrix<Scalar,StorageOrder,LhsProductTraits::NeedToConjugate,Rhs::Flags&RowMajorBit,Mode>
::run(lhs.rows(), rhs.cols(), &actualLhs.coeff(0,0), actualLhs.stride(), &rhs.coeffRef(0,0), rhs.stride());
}