35#ifndef _BLAZE_MATH_LAPACK_HEEV_H_
36#define _BLAZE_MATH_LAPACK_HEEV_H_
71template<
typename MT,
bool SO,
typename VT,
bool TF >
72void heev( DenseMatrix<MT,SO>& A, DenseVector<VT,TF>& w,
char jobz,
char uplo );
161 if( jobz !=
'V' && jobz !=
'N' ) {
165 if( uplo !=
'L' && uplo !=
'U' ) {
169 resize( *w, (*A).rows(),
false );
171 blas_int_t n ( numeric_cast<blas_int_t>( (*A).rows() ) );
172 blas_int_t lda ( numeric_cast<blas_int_t>( (*A).spacing() ) );
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 );
Constraint on the data type.
Header file for auxiliary alias declarations.
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.
Definition: Aliases.h:190
Header file for run time assertion macros.
Constraint on the data type.
Constraint on the data type.
Header file for the IsRowMajorMatrix type trait.
Constraint on the data type.
Cast operators for numeric types.
Header file for the CLAPACK heev wrapper functions.
Base class for dense matrices.
Definition: DenseMatrix.h:82
Base class for N-dimensional dense vectors.
Definition: DenseVector.h:77
Constraint on the data type.
Constraint on the data type.
Header file for the DenseMatrix base class.
Header file for the DenseVector base class.
#define BLAZE_CONSTRAINT_MUST_BE_BUILTIN_TYPE(T)
Constraint on the data type.
Definition: Builtin.h:60
#define BLAZE_CONSTRAINT_MUST_BE_COMPLEX_TYPE(T)
Constraint on the data type.
Definition: Complex.h:62
void heev(DenseMatrix< MT, SO > &A, DenseVector< VT, TF > &w, char jobz, char uplo)
LAPACK kernel for computing the eigenvalues of the given dense Hermitian matrix.
Definition: heev.h:139
#define BLAZE_CONSTRAINT_MUST_BE_BLAS_COMPATIBLE_TYPE(T)
Constraint on the data type.
Definition: BLASCompatible.h:61
#define BLAZE_CONSTRAINT_MUST_BE_CONTIGUOUS_TYPE(T)
Constraint on the data type.
Definition: Contiguous.h:61
#define BLAZE_CONSTRAINT_MUST_NOT_BE_COMPUTATION_TYPE(T)
Constraint on the data type.
Definition: Computation.h:81
#define BLAZE_CONSTRAINT_MUST_NOT_BE_ADAPTOR_TYPE(T)
Constraint on the data type.
Definition: Adaptor.h:81
#define BLAZE_CONSTRAINT_MUST_HAVE_MUTABLE_DATA_ACCESS(T)
Constraint on the data type.
Definition: MutableDataAccess.h:61
typename UnderlyingElement< T >::Type UnderlyingElement_t
Auxiliary alias declaration for the UnderlyingElement type trait.
Definition: UnderlyingElement.h:119
int32_t blas_int_t
Signed integer type used in the BLAS/LAPACK wrapper functions.
Definition: Types.h:64
#define BLAZE_THROW_LAPACK_ERROR(MESSAGE)
Macro for the emission of an exception on detection of a LAPACK error.
Definition: Exception.h:146
void resize(Matrix< MT, SO > &matrix, size_t rows, size_t columns, bool preserve=true)
Changing the size of the matrix.
Definition: Matrix.h:1108
bool isSquare(const Matrix< MT, SO > &matrix) noexcept
Checks if the given matrix is a square matrix.
Definition: Matrix.h:1383
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.
Definition: Assert.h:101
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.
Definition: Exception.h:235
Header file for the exception macros of the math module.