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add RDMFT(Reduced Density Matrix Functional Theory) code #5325

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@JGHan7 JGHan7 commented Oct 22, 2024

RDMFT is an ab-initio method.

I have implemented some code for rdmft in ABACUS. As long as the default value "ks" (instead, "rdmft") of the parameter ab_initio_type is used in INPUT, it will not affect the normal function of ABACUS.

… but 2 processor has 'malloc(): memory corruption:'
…e I do three for() to realize gemm and it doesn't support many processors...
…ll has two parameters don't pass), and pass in rdmft_cal() successfully
…Hartree, EXC_RDMFT = E_exx, but my Etotal doesn't include ion energy terms, etc.

ab-initio methods and the xc-functional parameters used in RDMFT.

### ab_initio_type
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I would suggest changing " ab_initio_type" to "rdmft" and set its type to bool, and make this variable controlled by yourself. Do not invent any ambiguous variable for other developers to think they can do something new with this variable.

source/module_esolver/esolver_ks_lcao.cpp Outdated Show resolved Hide resolved
source/module_esolver/esolver_ks_lcao.cpp Outdated Show resolved Hide resolved
source/module_esolver/esolver_ks_lcao.cpp Outdated Show resolved Hide resolved
source/module_rdmft/rdmft.h Show resolved Hide resolved
source/module_rdmft/rdmft_tools.cpp Outdated Show resolved Hide resolved
source/module_rdmft/rdmft_tools.cpp Show resolved Hide resolved
source/module_rdmft/rdmft_tools.cpp Outdated Show resolved Hide resolved
source/module_rdmft/update_state_rdmft.cpp Outdated Show resolved Hide resolved
orb->cutoffs(),
&GlobalC::GridD,
nspin,

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one extra line can be deleted

orb->cutoffs(),
&GlobalC::GridD,
nspin,

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one extra line found

orb->cutoffs(),
&GlobalC::GridD,
nspin,

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several similar places found (one blank line), please check

template <typename TK, typename TR>
class RDMFT
{
public:
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do we need so many public variables and public functions, can we made some of them as private?

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I would suggest moving module_rdmft into module_hamilt_lcao, in future, maybe we will rename the module_hamilt_lcao to module_lcao_algorithms

#ifdef _OPENMP
#pragma omp parallel for schedule(static, 1024)
#endif

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one extra line found here



template <>
void conj_psi<double>(psi::Psi<double>& wfc);
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It's not a good idea to 'invent' several new operations on Psi, these are common tools, not the tools by RDMFT itself.

source/module_rdmft/rdmft_tools.h Show resolved Hide resolved
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JGHan7 commented Nov 5, 2024

Most of the spaces here are because I modified the veff class according to my needs. I use a line of spaces to distinguish what I added myself, to remind me that a more suitable interface may be provided to me in the future, making the veff_rdmft class more concise or even deleting it.

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5 participants