35 #ifndef _BLAZE_MATH_LAPACK_UNGLQ_H_
36 #define _BLAZE_MATH_LAPACK_UNGLQ_H_
43 #include <boost/cast.hpp>
68 void cunglq_(
int* m,
int* n,
int* k,
float* A,
int* lda,
float* tau,
float* work,
int* lwork,
int*
info );
69 void zunglq_(
int* m,
int* n,
int* k,
double* A,
int* lda,
double* tau,
double* work,
int* lwork,
int*
info );
87 inline void unglq(
int m,
int n,
int k, complex<float>* A,
int lda,
const complex<float>* tau,
88 complex<float>* work,
int lwork,
int*
info );
90 inline void unglq(
int m,
int n,
int k, complex<double>* A,
int lda,
const complex<double>* tau,
91 complex<double>* work,
int lwork,
int*
info );
93 template<
typename MT,
bool SO >
129 inline void unglq(
int m,
int n,
int k, complex<float>* A,
int lda,
const complex<float>* tau,
130 complex<float>* work,
int lwork,
int*
info )
132 cunglq_( &m, &n, &k, reinterpret_cast<float*>( A ), &lda,
133 const_cast<float*>( reinterpret_cast<const float*>( tau ) ),
134 reinterpret_cast<float*>( work ), &lwork, info );
169 inline void unglq(
int m,
int n,
int k, complex<double>* A,
int lda,
const complex<double>* tau,
170 complex<double>* work,
int lwork,
int*
info )
172 zunglq_( &m, &n, &k, reinterpret_cast<double*>( A ), &lda,
173 const_cast<double*>( reinterpret_cast<const double*>( tau ) ),
174 reinterpret_cast<double*>( work ), &lwork, info );
242 template<
typename MT,
bool SO >
245 using boost::numeric_cast;
255 int m ( numeric_cast<int>( SO ? (~A).
rows() : (~A).
columns() ) );
256 int n ( numeric_cast<int>( SO ? (~A).
columns() : (~A).
rows() ) );
257 int k (
min( m, n ) );
258 int lda ( numeric_cast<int>( (~A).
spacing() ) );
268 unglq( k, n, k, (~A).data(), lda, tau, work.
get(), lwork, &
info );
Constraint on the data type.
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:79
#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:118
Constraint on the data type.
Pointer get() const
Returns a pointer to the managed array.
Definition: UniqueArray.h:245
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix)
Returns the current number of rows of the matrix.
Definition: Matrix.h:308
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:118
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
const MT::ElementType min(const DenseMatrix< MT, SO > &dm)
Returns the smallest element of the dense matrix.
Definition: DenseMatrix.h:1682
Header file for the DenseMatrix base class.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2586
Constraint on the data type.
Constraint on the data type.
const 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 run time assertion macros.
Header file for the UniqueArray smart pointer class.
#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:79
#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:80
void unglq(int m, int n, int k, complex< float > *A, int lda, const complex< float > *tau, complex< float > *work, int lwork, int *info)
LAPACK kernel for the reconstruction of the orthogonal matrix Q from a LQ decomposition.
Definition: unglq.h:129
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix)
Returns the current number of columns of the matrix.
Definition: Matrix.h:324
Header file for the complex data type.
Scope-limited management of dynamically allocated arrays.The UniqueArray class implements a scope-res...
Definition: UniqueArray.h:97
#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