35 #ifndef _BLAZE_MATH_LAPACK_UNMQR_H_
36 #define _BLAZE_MATH_LAPACK_UNMQR_H_
44 #include <boost/cast.hpp>
69 template<
typename MT1,
bool SO,
typename MT2 >
70 inline void unmqr( DenseMatrix<MT1,SO>& C, DenseMatrix<MT2,SO>& A,
71 char side,
char trans, ElementType_<MT2>* tau );
132 template<
typename MT1,
bool SO,
typename MT2 >
136 using boost::numeric_cast;
156 if( side !=
'L' && side !=
'R' ) {
160 if( trans !=
'N' && trans !=
'C' ) {
164 int m ( numeric_cast<int>( SO ? (~C).
rows() : (~C).
columns() ) );
165 int n ( numeric_cast<int>( SO ? (~C).
columns() : (~C).
rows() ) );
166 int k ( numeric_cast<int>(
min( (~A).
rows(), (~A).
columns() ) ) );
167 int lda ( numeric_cast<int>( (~A).
spacing() ) );
168 int ldc ( numeric_cast<int>( (~C).
spacing() ) );
171 if( m == 0 || n == 0 || k == 0 ) {
176 ( side ==
'L' )?( side =
'R' ):( side =
'L' );
180 const std::unique_ptr<ET[]> work(
new ET[lwork] );
183 unmqr( side, trans, m, n, k, (~A).data(), lda, tau, (~C).data(), ldc, work.get(), lwork, &
info );
186 unmlq( 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.
Log level for high-level information.
Definition: LogLevel.h:80
#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
#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.
const ElementType_< MT > min(const DenseMatrix< MT, SO > &dm)
Returns the smallest element of the dense matrix.
Definition: DenseMatrix.h:1669
Constraint on the data type.
#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:70
constexpr bool spacing
Adding an additional spacing line between two log messages.This setting gives the opportunity to add ...
Definition: Logging.h:70
Header file for the CLAPACK unmqr wrapper functions.
Constraint on the data type.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
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:135
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:135
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:330
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.
#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
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:314
#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
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:950
#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