source/test/recexp_sprandsym.cc File Reference
Test serial recursive expansion and computation of homo and lumo eigenvectors of a sparse matrix with a given eigenspectrum.
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#include "purification_sp2.h"
#include "purification_sp2acc.h"
#include "matrix_typedefs.h"
#include "realtype.h"
#include "matrix_utilities.h"
#include "integral_matrix_wrappers.h"
#include "SizesAndBlocks.h"
#include "Matrix.h"
#include "Vector.h"
#include "MatrixSymmetric.h"
#include "MatrixTriangular.h"
#include "MatrixGeneral.h"
#include "VectorGeneral.h"
#include "output.h"
#include <iostream>
#include <fstream>
#include <sstream>
#include <string.h>
#include "random_matrices.h"
#include "get_eigenvectors.h"
Detailed Description
Test serial recursive expansion and computation of homo and lumo eigenvectors of a sparse matrix with a given eigenspectrum.
Matrix is generated using Givens rotations starting from a diagonal matrix with a required eigenvalues, so eigenvectors of a result matrix are explicitly known and saved into the matrix Q.
- Author:
- Anastasia Kruchinina responsible
Define Documentation
#define MAX_DOUBLE std::numeric_limits<real>::max() |
#define MIN_DOUBLE std::numeric_limits<real>::min() |
#define SQRT_EPSILON_REAL template_blas_sqrt(mat::getMachineEpsilon<real>()) |
Typedef Documentation
Function Documentation
static bool abs_compare |
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real |
a, |
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real |
b | |
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int main |
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int |
argc, |
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char * |
argv[] | |
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) |
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References abs_compare(), PurificationGeneral< MatrixType >::clear(), PuriInfo::converged, distance(), mat::Interval< Treal >::empty(), mat::euclNorm, mat::VectorGeneral< Treal, Tvector >::fullvector(), mat::MatrixGeneral< Treal, Tmatrix >::get_values(), mat::Params::getMatrixParallelLevel(), mat::Params::getNProcs(), PurificationGeneral< MatrixType >::info, PurificationGeneral< MatrixType >::initialize(), MAX_DOUBLE, MIN_DOUBLE, mat::MatrixSymmetric< Treal, Tmatrix >::nnz(), PuriInfo::print_collected_info_printf(), PurificationGeneral< MatrixType >::PurificationStart(), read_vector(), SCALAR_TOL, PurificationGeneral< MatrixType >::set_eigenvectors_params(), mat::Params::setMatrixParallelLevel(), mat::Params::setNProcs(), sprandsym(), template_blas_fabs(), TOL_EIGENSOLVER_ACC_DEFAULT, TOL_ERR_SUBS_DEFAULT, TOL_TRACE_ERROR_DEFAULT, mat::MatrixBase< Treal, Tmatrix >::trace(), write_vector(), and PurificationGeneral< MatrixType >::X.
Variable Documentation