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resurrected sparse triangular solver

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This commit is contained in:
Gael Guennebaud
2008-09-02 19:55:26 +00:00
parent 8fb1678f0f
commit d8df318d77
10 changed files with 117 additions and 86 deletions
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6
Eigen/src/Core/SolveTriangular.h
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@@ -35,7 +35,7 @@ template<typename Lhs, typename Rhs,
? Upper
: -1,
int StorageOrder = ei_is_part<Lhs>::value ? -1 // this is to solve ambiguous specializations
: int(Lhs::Flags) & RowMajorBit ? RowMajor : ColMajor
: int(Lhs::Flags) & (RowMajorBit|SparseBit)
>
struct ei_solve_triangular_selector;
@@ -51,7 +51,7 @@ struct ei_solve_triangular_selector<Part<Lhs,LhsMode>,Rhs,UpLo,StorageOrder>
// forward substitution, row-major
template<typename Lhs, typename Rhs, int UpLo>
struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,RowMajor>
struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,RowMajor|IsDense>
{
typedef typename Rhs::Scalar Scalar;
static void run(const Lhs& lhs, Rhs& other)
@@ -138,7 +138,7 @@ struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,RowMajor>
// - inv(Upper, ColMajor) * Column vector
// - inv(Upper,UnitDiag,ColMajor) * Column vector
template<typename Lhs, typename Rhs, int UpLo>
struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,ColMajor>
struct ei_solve_triangular_selector<Lhs,Rhs,UpLo,ColMajor|IsDense>
{
typedef typename Rhs::Scalar Scalar;
typedef typename ei_packet_traits<Scalar>::type Packet;