35 #ifndef _BLAZE_MATH_LAPACK_UNG2R_H_ 36 #define _BLAZE_MATH_LAPACK_UNG2R_H_ 69 template<
typename MT,
bool SO >
70 void ung2r( DenseMatrix<MT,SO>& A,
const ElementType_t<MT>* tau );
119 template<
typename MT,
bool SO >
131 int m ( numeric_cast<int>( SO ? (~A).
rows() : (~A).
columns() ) );
132 int n ( numeric_cast<int>( SO ? (~A).
columns() : (~A).
rows() ) );
133 int k (
min( m, n ) );
134 int lda ( numeric_cast<int>( (~A).
spacing() ) );
141 const std::unique_ptr<ET[]> work(
new ET[n] );
144 ung2r( m, k, k, (~A).
data(), lda, tau, work.get(), &info );
147 ungl2( k, n, k, (~A).
data(), lda, tau, work.get(), &info );
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
MT::ElementType * data(DenseMatrix< MT, SO > &dm) noexcept
Low-level data access to the dense matrix elements.
Definition: DenseMatrix.h:170
#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.
Header file for the CLAPACK ung2r wrapper functions.
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:81
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:253
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
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:1162
Header file for the DenseMatrix base class.
Header file for the CLAPACK ungl2 wrapper functions.
Constraint on the data type.
void ungl2(int m, int n, int k, complex< float > *A, int lda, const complex< float > *tau, complex< float > *work, int *info)
LAPACK kernel for the reconstruction of the orthogonal matrix Q from a LQ decomposition.
Definition: ungl2.h:119
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
void ung2r(int m, int n, int k, complex< float > *A, int lda, const complex< float > *tau, complex< float > *work, int *info)
LAPACK kernel for the reconstruction of the orthogonal matrix Q from a QR decomposition.
Definition: ung2r.h:119
constexpr size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:498
#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,...
Definition: Assert.h:101