diago_david_test.cpp File Reference

#include "source_hsolver/diago_david.h"
#include "source_hsolver/diago_iter_assist.h"
#include "source_pw/module_pwdft/hamilt_pw.h"
#include "diago_mock.h"
#include "source_psi/psi.h"
#include "gtest/gtest.h"
#include "source_base/inverse_matrix.h"
#include "source_base/module_external/lapack_connector.h"
#include "source_basis/module_pw/test/test_tool.h"
#include "mpi.h"

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Classes
class	DiagoDavPrepare
class	DiagoDavTest

Macros
#define	CONVTHRESHOLD   1e-3
#define	DETAILINFO   false

Functions
void	lapackEigen (int &npw, std::vector< std::complex< double > > &hm, double *e, bool outtime=false)
	TEST_P (DiagoDavTest, RandomHamilt)
	INSTANTIATE_TEST_SUITE_P (VerifyDiag, DiagoDavTest,::testing::Values(DiagoDavPrepare(10, 100, 0, 4, 1e-5, 500), DiagoDavPrepare(20, 500, 7, 4, 1e-5, 500)))
	TEST (DiagoDavRealSystemTest, dataH)
int	main (int argc, char **argv)

Macro Definition Documentation

CONVTHRESHOLD

#define CONVTHRESHOLD   1e-3

DETAILINFO

#define DETAILINFO   false

Function Documentation

INSTANTIATE_TEST_SUITE_P()

INSTANTIATE_TEST_SUITE_P	(	VerifyDiag	,
		DiagoDavTest	,
		::testing::Values(DiagoDavPrepare(10, 100, 0, 4, 1e-5, 500), DiagoDavPrepare(20, 500, 7, 4, 1e-5, 500))
	)

lapackEigen()

void lapackEigen	(	int &	npw,
		std::vector< std::complex< double > > &	hm,
		double *	e,
		bool	outtime = false
	)

Class Diago_David is used to solve the eigenvalues This unittest test the function Diago_David::diag() for FPTYPE=double and Device=cpu with different examples.

• the hamilt matrix (npw=100,500,1000) produced by random with sparsity of 90%

the hamilt matrix (npw=100,500,1000) produced by random with sparsity of 50%

• the hamilt matrix (npw=100,500,1000) produced by random with sparsity of 0%
• the hamilt matrix read from "data-H"

The test is passed when the eignvalues are closed to these calculated by LAPACK.

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main()

int main	(	int	argc,
		char **	argv
	)

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TEST()

TEST	(	DiagoDavRealSystemTest	,
		dataH
	)

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TEST_P()

TEST_P	(	DiagoDavTest	,
		RandomHamilt
	)

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