MPQC  3.0.0-alpha
transform_ikjy.h
1 //
2 // transform_ikjy.h
3 //
4 // Copyright (C) 2004 Edward Valeev
5 //
6 // Author: Edward Valeev <evaleev@vt.edu>
7 // Maintainer: EV
8 //
9 // This file is part of the SC Toolkit.
10 //
11 // The SC Toolkit is free software; you can redistribute it and/or modify
12 // it under the terms of the GNU Library General Public License as published by
13 // the Free Software Foundation; either version 2, or (at your option)
14 // any later version.
15 //
16 // The SC Toolkit is distributed in the hope that it will be useful,
17 // but WITHOUT ANY WARRANTY; without even the implied warranty of
18 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 // GNU Library General Public License for more details.
20 //
21 // You should have received a copy of the GNU Library General Public License
22 // along with the SC Toolkit; see the file COPYING.LIB. If not, write to
23 // the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
24 //
25 // The U.S. Government is granted a limited license as per AL 91-7.
26 //
27 
28 #ifndef _chemistry_qc_lcao_transformikjy_h
29 #define _chemistry_qc_lcao_transformikjy_h
30 
31 #include <string>
32 #include <util/ref/ref.h>
33 #include <util/misc/scexception.h>
34 #include <chemistry/qc/lcao/transform_tbint.h>
35 
36 namespace sc {
37 
42 
43  // Initialize the MO integrals accumulator
44  void init_acc();
45  // Compute required dynamic memory for a given batch size
46  distsize_t compute_transform_dynamic_memory_(int ni) const;
47 
48 public:
49 
52  const Ref<TwoBodyIntDescr>& tbintdescr,
56 
58 
60  std::string type() const { return "ikjy"; }
63  size_t memgrp_blksize() const;
64 
66  void compute();
69 };
70 
71 }
72 
73 #endif
74 
75 // Local Variables:
76 // mode: c++
77 // c-file-style: "CLJ"
78 // End:
79 
80 
sc::TwoBodyMOIntsTransform::space2
const Ref< OrbitalSpace > & space2() const
Returns OrbitalSpace object 2.
sc::TwoBodyMOIntsTransform_ikjy::compute
void compute()
Computes transformed integrals.
sc::TwoBodyMOIntsTransform_ikjy::type
std::string type() const
Implementation of TwoBodyMOIntsTransform::type()
Definition: transform_ikjy.h:60
sc::Ref
A template class that maintains references counts.
Definition: ref.h:361
sc::TwoBodyMOIntsTransform_ikjy::memgrp_blksize
size_t memgrp_blksize() const
Returns the number of bytes allocated for each ij-block of integrals of one type in MemoryGrp.
sc::TwoBodyMOIntsTransform_ikjy::save_data_state
void save_data_state(StateOut &)
Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR ...
sc::TwoBodyMOIntsTransform::space4
const Ref< OrbitalSpace > & space4() const
Returns OrbitalSpace object 4.
sc::StateIn
Definition: statein.h:79
sc::TwoBodyMOIntsTransform::zero_integral
static double zero_integral
By default, integrals smaller than zero_integral are considered zero.
Definition: transform_tbint.h:62
sc::TwoBodyMOIntsTransform::name
std::string name() const
Returns the name of the transform.
Definition: transform_tbint.h:157
sc::TwoBodyMOIntsTransform::space3
const Ref< OrbitalSpace > & space3() const
Returns OrbitalSpace object 3.
sc::StateOut
Definition: stateout.h:71
sc::TwoBodyMOIntsTransform::factory
const Ref< MOIntsTransformFactory > & factory() const
factory who created this
Definition: transform_tbint.h:155
sc::ProgrammingError
This is thrown when a situations arises that should be impossible.
Definition: scexception.h:92
sc::TwoBodyMOIntsTransform_ikjy::check_int_symm
void check_int_symm(double threshold=TwoBodyMOIntsTransform::zero_integral)
Check symmetry of transformed integrals.
sc::TwoBodyMOIntsTransform_ikjy
TwoBodyMOIntsTransform_ikjy computes (ik|jy) integrals using parallel integrals-direct AO->MO transfo...
Definition: transform_ikjy.h:41
sc::TwoBodyMOIntsTransform::space1
const Ref< OrbitalSpace > & space1() const
Returns OrbitalSpace object 1.
sc::TwoBodyMOIntsTransform
TwoBodyMOIntsTransform computes two-body integrals in MO basis using parallel integrals-direct AO->MO...
Definition: transform_tbint.h:49
sc
Contains all MPQC code up to version 3.
Definition: mpqcin.h:14

Generated at Sun Jan 26 2020 23:23:58 for MPQC 3.0.0-alpha using the documentation package Doxygen 1.8.16.