template<typename Index, int StorageOrder, int UpLo, bool ConjugateLhs, bool ConjugateRhs> \
struct selfadjoint_matrix_vector_product_symv<EIGTYPE,Index,StorageOrder,UpLo,ConjugateLhs,ConjugateRhs> \
{ \
typedef Matrix<EIGTYPE,Dynamic,1,ColMajor> SYMVVector;\
\
const EIGTYPE* _rhs, EIGTYPE* res, EIGTYPE alpha) \
{ \
enum {\
IsRowMajor = StorageOrder==
RowMajor ? 1 : 0, \
IsLower = UpLo ==
Lower ? 1 : 0 \
BlasIndex n=convert_index<BlasIndex>(
size), lda=convert_index<BlasIndex>(lhsStride), incx=1, incy=1; \
EIGTYPE beta(1); \
const EIGTYPE *x_ptr; \
char uplo=(IsRowMajor) ? (IsLower ? 'U' : 'L') : (IsLower ? 'L' : 'U'); \
SYMVVector x_tmp; \
if (ConjugateRhs) { \
Map<const SYMVVector, 0 > map_x(_rhs,
size,1); \
x_tmp=map_x.conjugate(); \
x_ptr=x_tmp.data(); \
BLASFUNC(&uplo, &n, &numext::real_ref(alpha), (
const BLASTYPE*)lhs, &lda, (
const BLASTYPE*)x_ptr, &incx, &numext::real_ref(beta), (BLASTYPE*)res, &incy); \
}\
};
static constexpr size_t size(Tuple< Args... > &)
Provides access to the number of elements in a tuple as a compile-time constant expression.
EIGEN_DEFAULT_DENSE_INDEX_TYPE Index
The Index type as used for the API.
void run(Expr &expr, Dev &dev)