35 #ifndef _BLAZE_MATH_LAPACK_GEQRF_H_
36 #define _BLAZE_MATH_LAPACK_GEQRF_H_
43 #include <boost/cast.hpp>
68 void sgeqrf_(
int* m,
int* n,
float* A,
int* lda,
float* tau,
float* work,
int* lwork,
int*
info );
69 void dgeqrf_(
int* m,
int* n,
double* A,
int* lda,
double* tau,
double* work,
int* lwork,
int*
info );
70 void cgeqrf_(
int* m,
int* n,
float* A,
int* lda,
float* tau,
float* work,
int* lwork,
int*
info );
71 void zgeqrf_(
int* m,
int* n,
double* A,
int* lda,
double* tau,
double* work,
int* lwork,
int*
info );
89 inline void geqrf(
int m,
int n,
float* A,
int lda,
float* tau,
90 float* work,
int lwork,
int*
info );
92 inline void geqrf(
int m,
int n,
double* A,
int lda,
double* tau,
93 double* work,
int lwork,
int*
info );
95 inline void geqrf(
int m,
int n, complex<float>* A,
int lda, complex<float>* tau,
96 complex<float>* work,
int lwork,
int*
info );
98 inline void geqrf(
int m,
int n, complex<double>* A,
int lda, complex<double>* tau,
99 complex<double>* work,
int lwork,
int*
info );
101 template<
typename MT,
bool SO >
155 inline void geqrf(
int m,
int n,
float* A,
int lda,
float* tau,
156 float* work,
int lwork,
int*
info )
158 sgeqrf_( &m, &n, A, &lda, tau, work, &lwork, info );
211 inline void geqrf(
int m,
int n,
double* A,
int lda,
double* tau,
212 double* work,
int lwork,
int*
info )
214 dgeqrf_( &m, &n, A, &lda, tau, work, &lwork, info );
267 inline void geqrf(
int m,
int n, complex<float>* A,
int lda, complex<float>* tau,
268 complex<float>* work,
int lwork,
int*
info )
272 cgeqrf_( &m, &n, reinterpret_cast<float*>( A ), &lda, reinterpret_cast<float*>( tau ),
273 reinterpret_cast<float*>( work ), &lwork, info );
326 inline void geqrf(
int m,
int n, complex<double>* A,
int lda, complex<double>* tau,
327 complex<double>* work,
int lwork,
int*
info )
331 zgeqrf_( &m, &n, reinterpret_cast<double*>( A ), &lda, reinterpret_cast<double*>( tau ),
332 reinterpret_cast<double*>( work ), &lwork, info );
382 template<
typename MT
386 using boost::numeric_cast;
395 int m ( numeric_cast<int>( SO ? (~A).
rows() : (~A).
columns() ) );
396 int n ( numeric_cast<int>( SO ? (~A).
columns() : (~A).
rows() ) );
397 int lda ( numeric_cast<int>( (~A).
spacing() ) );
400 if( m == 0 || n == 0 ) {
407 geqrf( m, n, (~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
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
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.
void geqrf(int m, int n, float *A, int lda, float *tau, float *work, int lwork, int *info)
LAPACK kernel for the QR decomposition of the given dense single precision column-major matrix...
Definition: geqrf.h:155
#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
Header file for the IsRowMajorMatrix type trait.
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.
#define BLAZE_STATIC_ASSERT(expr)
Compile time assertion macro.In case of an invalid compile time expression, a compilation error is cr...
Definition: StaticAssert.h:143
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