35 #ifndef _BLAZE_MATH_LAPACK_ORGQR_H_
36 #define _BLAZE_MATH_LAPACK_ORGQR_H_
43 #include <boost/cast.hpp>
68 void sorgqr_(
int* m,
int* n,
int* k,
float* A,
int* lda,
float* tau,
float* work,
int* lwork,
int*
info );
69 void dorgqr_(
int* m,
int* n,
int* k,
double* A,
int* lda,
double* tau,
double* work,
int* lwork,
int*
info );
87 inline void orgqr(
int m,
int n,
int k,
float* A,
int lda,
const float* tau,
88 float* work,
int lwork,
int*
info );
90 inline void orgqr(
int m,
int n,
int k,
double* A,
int lda,
const double* tau,
91 double* work,
int lwork,
int*
info );
93 template<
typename MT,
bool SO >
129 inline void orgqr(
int m,
int n,
int k,
float* A,
int lda,
const float* tau,
float* work,
int lwork,
int*
info )
131 sorgqr_( &m, &n, &k, A, &lda, const_cast<float*>( tau ), work, &lwork, info );
166 inline void orgqr(
int m,
int n,
int k,
double* A,
int lda,
const double* tau,
double* work,
int lwork,
int*
info )
168 dorgqr_( &m, &n, &k, A, &lda, const_cast<double*>( tau ), work, &lwork, info );
232 template<
typename MT,
bool SO >
235 using boost::numeric_cast;
245 int m ( numeric_cast<int>( SO ? (~A).
rows() : (~A).
columns() ) );
246 int n ( numeric_cast<int>( SO ? (~A).
columns() : (~A).
rows() ) );
247 int k (
min( m, n ) );
248 int lda ( numeric_cast<int>( (~A).
spacing() ) );
258 orgqr( m, k, 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
void orgqr(int m, int n, int k, float *A, int lda, const float *tau, float *work, int lwork, int *info)
LAPACK kernel for the reconstruction of the orthogonal matrix Q from a QR decomposition.
Definition: orgqr.h:129
#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
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_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:78
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
Constraint on the data type.