35 #ifndef _BLAZE_MATH_LAPACK_UNMLQ_H_ 36 #define _BLAZE_MATH_LAPACK_UNMLQ_H_ 71 template<
typename MT1,
bool SO,
typename MT2 >
72 inline void unmlq( DenseMatrix<MT1,SO>& C,
const DenseMatrix<MT2,SO>& A,
73 char side,
char trans,
const ElementType_t<MT2>* tau );
143 template<
typename MT1,
bool SO,
typename MT2 >
167 if( side !=
'L' && side !=
'R' ) {
175 int m ( numeric_cast<int>( SO ? (~C).
rows() : (~C).
columns() ) );
176 int n ( numeric_cast<int>( SO ? (~C).
columns() : (~C).
rows() ) );
177 int k ( numeric_cast<int>(
min( (~A).
rows(), (~A).
columns() ) ) );
178 int lda ( numeric_cast<int>( (~A).
spacing() ) );
179 int ldc ( numeric_cast<int>( (~C).
spacing() ) );
182 if( m == 0 || n == 0 || k == 0 ) {
187 ( side ==
'L' )?( side =
'R' ):( side =
'L' );
191 const std::unique_ptr<ET[]> work(
new ET[lwork] );
194 unmlq( side,
trans, m, n, k, (~A).
data(), lda, tau, (~C).
data(), ldc, work.get(), lwork, &info );
197 unmqr( side,
trans, m, n, k, (~A).
data(), lda, tau, (~C).
data(), ldc, work.get(), lwork, &info );
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Constraint on the data type.
Header file for auxiliary alias declarations.
#define BLAZE_CONSTRAINT_MUST_HAVE_MUTABLE_DATA_ACCESS(T)
Constraint on the data type.In case the given data type T does not provide low-level data access to m...
Definition: MutableDataAccess.h:61
#define BLAZE_CONSTRAINT_MUST_HAVE_CONST_DATA_ACCESS(T)
Constraint on the data type.In case the given data type T does not provide low-level data access to c...
Definition: ConstDataAccess.h:61
MT::ElementType * data(DenseMatrix< MT, SO > &dm) noexcept
Low-level data access to the dense matrix elements.
Definition: DenseMatrix.h:169
#define BLAZE_CONSTRAINT_MUST_NOT_BE_COMPUTATION_TYPE(T)
Constraint on the data type.In case the given data type T is a computational expression (i...
Definition: Computation.h:81
Constraint on the data type.
Constraint on the data type.
Constraint on the data type.
Cast operators for numeric types.
constexpr size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:514
#define BLAZE_CONSTRAINT_MUST_NOT_BE_ADAPTOR_TYPE(T)
Constraint on the data type.In case the given data type T is an adaptor type (as for instance LowerMa...
Definition: Adaptor.h:81
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:80
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
size_t spacing(const DenseMatrix< MT, SO > &dm) noexcept
Returns the spacing between the beginning of two rows/columns.
Definition: DenseMatrix.h:252
Header file for the CLAPACK unmqr wrapper functions.
Constraint on the data type.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
#define BLAZE_CONSTRAINT_MUST_BE_CONTIGUOUS_TYPE(T)
Constraint on the data type.In case the given data type T is not an array-like data type with contigu...
Definition: Contiguous.h:61
void unmqr(char side, char trans, int m, int n, int k, const complex< float > *A, int lda, const complex< float > *tau, complex< float > *C, int ldc, complex< float > *work, int lwork, int *info)
LAPACK kernel for the multiplication of the single precision Q from a QR decomposition with another m...
Definition: unmqr.h:138
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:1147
Header file for the DenseMatrix base class.
void unmlq(char side, char trans, int m, int n, int k, const complex< float > *A, int lda, const complex< float > *tau, complex< float > *C, int ldc, complex< float > *work, int lwork, int *info)
LAPACK kernel for the multiplication of the single precision complex Q from a LQ decomposition with a...
Definition: unmlq.h:138
Header file for the exception macros of the math module.
Header file for the CLAPACK unmlq wrapper functions.
Constraint on the data type.
Header file for run time assertion macros.
Constraint on the data type.
#define BLAZE_CONSTRAINT_MUST_BE_BLAS_COMPATIBLE_TYPE(T)
Constraint on the data type.In case the given data type T is not a BLAS compatible data type (i...
Definition: BLASCompatible.h:61
constexpr size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:498
decltype(auto) trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:765
#define BLAZE_CONSTRAINT_MUST_BE_COMPLEX_TYPE(T)
Constraint on the data type.This compile time constraint checks that the given data type T is a compl...
Definition: Complex.h:62
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_INTERNAL_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERTION flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:101