35 #ifndef _BLAZE_MATH_LAPACK_ORMLQ_H_ 36 #define _BLAZE_MATH_LAPACK_ORMLQ_H_ 72 template<
typename MT1,
bool SO1,
typename MT2,
bool SO2 >
73 inline void ormlq( DenseMatrix<MT1,SO1>& C,
const DenseMatrix<MT2,SO2>& A,
74 char side,
char trans,
const ElementType_<MT2>* tau );
144 template<
typename MT1,
bool SO1,
typename MT2,
bool SO2 >
166 if( side !=
'L' && side !=
'R' ) {
170 if( trans !=
'N' && trans !=
'T' ) {
174 int m ( numeric_cast<int>( SO1 ? (~C).
rows() : (~C).
columns() ) );
175 int n ( numeric_cast<int>( SO1 ? (~C).
columns() : (~C).
rows() ) );
176 int k ( numeric_cast<int>(
min( (~A).
rows(), (~A).
columns() ) ) );
177 int lda ( numeric_cast<int>( (~A).
spacing() ) );
178 int ldc ( numeric_cast<int>( (~C).
spacing() ) );
181 if( m == 0 || n == 0 || k == 0 ) {
186 ( side ==
'L' )?( side =
'R' ):( side =
'L' );
190 ( trans ==
'N' )?( trans =
'T' ):( trans =
'N' );
194 const std::unique_ptr<ET[]> work(
new ET[lwork] );
197 ormlq( side, trans, m, n, k, (~A).
data(), lda, tau, (~C).
data(), ldc, work.get(), lwork, &info );
200 ormqr( 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.
void ormqr(char side, char trans, int m, int n, int k, const float *A, int lda, const float *tau, float *C, int ldc, float *work, int lwork, int *info)
LAPACK kernel for the multiplication of the single precision Q from a QR decomposition with another m...
Definition: ormqr.h:135
#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
const ElementType_< MT > min(const DenseMatrix< MT, SO > &dm)
Returns the smallest element of the dense matrix.
Definition: DenseMatrix.h:1903
Constraint on the data type.
Cast operators for numeric types.
#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
BLAZE_ALWAYS_INLINE size_t spacing(const DenseMatrix< MT, SO > &dm) noexcept
Returns the spacing between the beginning of two rows/columns.
Definition: DenseMatrix.h:252
Constraint on the data type.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Compile time check for row-major matrix types.This type trait tests whether or not the given template...
Definition: IsRowMajorMatrix.h:110
Header file for the CLAPACK ormqr wrapper functions.
Header file for the DenseMatrix base class.
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:506
Header file for the exception macros of the math module.
Constraint on the data type.
Compile time logical 'xor' evaluation.The Xor alias declaration performs at compile time a logical 'x...
Definition: Xor.h:74
Header file for the CLAPACK ormlq wrapper functions.
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
void ormlq(char side, char trans, int m, int n, int k, const float *A, int lda, const float *tau, float *C, int ldc, float *work, int lwork, int *info)
LAPACK kernel for the multiplication of the single precision Q from a LQ decomposition with another m...
Definition: ormlq.h:135
#define BLAZE_CONSTRAINT_MUST_BE_BUILTIN_TYPE(T)
Constraint on the data type.In case the given data type T is not a built-in data type, a compilation error is created.
Definition: Builtin.h:60
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:490
BLAZE_ALWAYS_INLINE MT::ElementType * data(DenseMatrix< MT, SO > &dm) noexcept
Low-level data access to the dense matrix elements.
Definition: DenseMatrix.h:169
decltype(auto) trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:789
Header file for the IsRowMajorMatrix type trait.
#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
Constraint on the data type.
Header file for the Xor class template.