35 #ifndef _BLAZE_MATH_LAPACK_HEEV_H_ 36 #define _BLAZE_MATH_LAPACK_HEEV_H_ 71 template<
typename MT,
bool SO,
typename VT,
bool TF >
72 inline void heev( DenseMatrix<MT,SO>& A, DenseVector<VT,TF>& w,
char jobz,
char uplo );
135 template<
typename MT
161 if( jobz !=
'V' && jobz !=
'N' ) {
165 if( uplo !=
'L' && uplo !=
'U' ) {
171 int n ( numeric_cast<int>( (~A).
rows() ) );
172 int lda ( numeric_cast<int>( (~A).
spacing() ) );
179 int lwork( 10*n + 2 );
180 const std::unique_ptr<CT[]> work (
new CT[lwork] );
181 const std::unique_ptr<BT[]> rwork(
new BT[3*n-2] );
183 if( IsRowMajorMatrix_v<MT> ) {
184 ( uplo ==
'L' )?( uplo =
'U' ):( uplo =
'L' );
187 heev( jobz, uplo, n, (~A).
data(), lda, (~w).
data(), work.get(), lwork, rwork.get(), &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.
#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:169
#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 DenseVector base class.
void heev(char jobz, char uplo, int n, complex< float > *A, int lda, float *w, complex< float > *work, int lwork, float *rwork, int *info)
LAPACK kernel for computing the eigenvalues of the given dense Hermitian single precision column-majo...
Definition: heev.h:130
Header file for the CLAPACK heev wrapper functions.
Constraint on the data type.
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
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:252
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
Header file for the DenseMatrix base class.
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
Header file for the exception macros of the math module.
typename UnderlyingElement< T >::Type UnderlyingElement_t
Auxiliary alias declaration for the UnderlyingElement type trait.The UnderlyingElement_t alias declar...
Definition: UnderlyingElement.h:132
void resize(Matrix< MT, SO > &matrix, size_t rows, size_t columns, bool preserve=true)
Changing the size of the matrix.
Definition: Matrix.h:738
Constraint on the data type.
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
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_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
#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
Header file for the IsRowMajorMatrix type trait.
#define BLAZE_THROW_LAPACK_ERROR(MESSAGE)
Macro for the emission of an exception on detection of a LAPACK error.This macro encapsulates the def...
Definition: Exception.h:146
bool isSquare(const Matrix< MT, SO > &matrix) noexcept
Checks if the given matrix is a square matrix.
Definition: Matrix.h:951
#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