35#ifndef _BLAZE_MATH_LAPACK_ORGRQ_H_
36#define _BLAZE_MATH_LAPACK_ORGRQ_H_
69template<
typename MT,
bool SO >
70void orgrq( DenseMatrix<MT,SO>& A,
const ElementType_t<MT>* tau );
118template<
typename MT,
bool SO >
130 blas_int_t m ( numeric_cast<blas_int_t>( SO ? (*A).rows() : (*A).columns() ) );
131 blas_int_t n ( numeric_cast<blas_int_t>( SO ? (*A).columns() : (*A).rows() ) );
133 blas_int_t lda ( numeric_cast<blas_int_t>( (*A).spacing() ) );
141 const std::unique_ptr<ET[]> work(
new ET[lwork] );
144 const size_t offset( ( m > n )?( m - n ):( 0UL ) );
145 orgrq( k, n, k, (*A).data()+offset, lda, tau, work.get(), lwork, &info );
148 const size_t offset( ( m < n )?( n - m ):( 0UL ) );
149 orgql( m, k, k, (*A).data(offset), lda, tau, work.get(), lwork, &info );
Constraint on the data type.
Header file for auxiliary alias declarations.
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.
Definition: Aliases.h:190
Header file for run time assertion macros.
Constraint on the data type.
Constraint on the data type.
Constraint on the data type.
Constraint on the data type.
Cast operators for numeric types.
Header file for the CLAPACK orgql wrapper functions.
Header file for the CLAPACK orgrq wrapper functions.
Base class for dense matrices.
Definition: DenseMatrix.h:82
Constraint on the data type.
Header file for the DenseMatrix base class.
#define BLAZE_CONSTRAINT_MUST_BE_BUILTIN_TYPE(T)
Constraint on the data type.
Definition: Builtin.h:60
decltype(auto) min(const DenseMatrix< MT1, SO1 > &lhs, const DenseMatrix< MT2, SO2 > &rhs)
Computes the componentwise minimum of the dense matrices lhs and rhs.
Definition: DMatDMatMapExpr.h:1339
void orgql(blas_int_t m, blas_int_t n, blas_int_t k, float *A, blas_int_t lda, const float *tau, float *work, blas_int_t lwork, blas_int_t *info)
LAPACK kernel for the reconstruction of the orthogonal matrix Q from a QL decomposition.
Definition: orgql.h:125
void orgrq(DenseMatrix< MT, SO > &A, const ElementType_t< MT > *tau)
LAPACK kernel for the reconstruction of the orthogonal matrix Q from a RQ decomposition.
Definition: orgrq.h:119
#define BLAZE_CONSTRAINT_MUST_BE_BLAS_COMPATIBLE_TYPE(T)
Constraint on the data type.
Definition: BLASCompatible.h:61
#define BLAZE_CONSTRAINT_MUST_BE_CONTIGUOUS_TYPE(T)
Constraint on the data type.
Definition: Contiguous.h:61
#define BLAZE_CONSTRAINT_MUST_NOT_BE_COMPUTATION_TYPE(T)
Constraint on the data type.
Definition: Computation.h:81
#define BLAZE_CONSTRAINT_MUST_NOT_BE_ADAPTOR_TYPE(T)
Constraint on the data type.
Definition: Adaptor.h:81
#define BLAZE_CONSTRAINT_MUST_HAVE_MUTABLE_DATA_ACCESS(T)
Constraint on the data type.
Definition: MutableDataAccess.h:61
int32_t blas_int_t
Signed integer type used in the BLAS/LAPACK wrapper functions.
Definition: Types.h:64
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.
Definition: Assert.h:101