sc::SpatialMOPairIter Class Referenceabstract
SpatialMOPairIter gives the ordering of pairs of spatial orbitals. More...
#include <math/mmisc/pairiter.h>
Inheritance diagram for sc::SpatialMOPairIter:
Public Member Functions | |
| SpatialMOPairIter (unsigned int n_i, unsigned int n_j) | |
| Initialize a spatial pair iterator for the given MO spaces. | |
| virtual int | nij_aa () const =0 |
| Returns the number of functions in alpha-alpha space. | |
| virtual int | nij_ab () const =0 |
| Returns the number of functions in alpha-beta space. | |
| virtual int | ij_aa () const =0 |
| Returns compound index ij for alpha-alpha case. More... | |
| virtual int | ij_ab () const =0 |
| Returns compound index ij for alpha-beta case. | |
| virtual int | ij_ba () const =0 |
| Returns compound index ij for beta-alpha case. | |
 Public Member Functions inherited from sc::MOPairIter | |
| MOPairIter (unsigned int n_i, unsigned int n_j) | |
| Initialize an iterator for the MO space dimensions. | |
| virtual void | start (const int first_ij=0)=0 |
| Start the iteration. | |
| virtual void | next ()=0 |
| Move to the next pair. | |
| virtual | operator int () const =0 |
| Returns nonzero if the iterator currently hold valid data. | |
| int | ni () const |
| Returns the number of functions in space i. | |
| int | nj () const |
| Returns the number of functions in space j. | |
| int | i () const |
| Returns index i. | |
| int | j () const |
| Returns index j. | |
| int | nij () const |
| Returns the number of pair combinations for this iterator. | |
| int | ij () const |
| Returns the current iteration. | |
| Public Member Functions inherited from sc::RefCount | |
| size_t | identifier () const |
| Return the unique identifier for this object that can be compared for different objects of different types. More... | |
| int | lock_ptr () const |
| Lock this object. | |
| int | unlock_ptr () const |
| Unlock this object. | |
| void | use_locks (bool inVal) |
| start and stop using locks on this object | |
| refcount_t | nreference () const |
| Return the reference count. | |
| refcount_t | reference () |
| Increment the reference count and return the new count. | |
| refcount_t | dereference () |
| Decrement the reference count and return the new count. | |
| int | managed () const |
| void | unmanage () |
| Turn off the reference counting mechanism for this object. More... | |
Additional Inherited Members | |
| Protected Member Functions inherited from sc::MOPairIter | |
| int | classdebug () const |
| Protected Member Functions inherited from sc::RefCount | |
| RefCount (const RefCount &) | |
| RefCount & | operator= (const RefCount &) |
| Protected Attributes inherited from sc::MOPairIter | |
| bool | i_eq_j_ |
| int | ni_ |
| int | nj_ |
| int | i_ |
| int | j_ |
| int | nij_ |
| int | ij_ |
Detailed Description
SpatialMOPairIter gives the ordering of pairs of spatial orbitals.
Different spin cases appear.
Member Function Documentation
◆ ij_aa()
|
pure virtual |
Returns compound index ij for alpha-alpha case.
If the combination is not allowed then return -1
Implemented in sc::SpatialMOPairIter_neq, and sc::SpatialMOPairIter_eq.
Referenced by sc::antisymmetrize().
The documentation for this class was generated from the following file:
- src/lib/math/mmisc/pairiter.h