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quantum_package/src/CISD/README.rst

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CISD
====
This is a test directory which builds a CISD by setting the follwoing rules:
* The only generator determinant is the Hartee-Fock (single-reference method)
* All generated determinants are included in the wave function (no perturbative
selection)
These rules are set in the ``H_apply.irp.f`` file.
Needed Modules
==============
.. Do not edit this section. It was auto-generated from the
.. NEEDED_MODULES file.
* `AOs <http://github.com/LCPQ/quantum_package/tree/master/src/AOs>`_
* `BiInts <http://github.com/LCPQ/quantum_package/tree/master/src/BiInts>`_
* `Bitmask <http://github.com/LCPQ/quantum_package/tree/master/src/Bitmask>`_
* `Dets <http://github.com/LCPQ/quantum_package/tree/master/src/Dets>`_
* `Electrons <http://github.com/LCPQ/quantum_package/tree/master/src/Electrons>`_
* `Ezfio_files <http://github.com/LCPQ/quantum_package/tree/master/src/Ezfio_files>`_
* `Hartree_Fock <http://github.com/LCPQ/quantum_package/tree/master/src/Hartree_Fock>`_
* `MonoInts <http://github.com/LCPQ/quantum_package/tree/master/src/MonoInts>`_
* `MOs <http://github.com/LCPQ/quantum_package/tree/master/src/MOs>`_
* `Nuclei <http://github.com/LCPQ/quantum_package/tree/master/src/Nuclei>`_
* `Output <http://github.com/LCPQ/quantum_package/tree/master/src/Output>`_
* `SingleRefMethod <http://github.com/LCPQ/quantum_package/tree/master/src/SingleRefMethod>`_
* `Utils <http://github.com/LCPQ/quantum_package/tree/master/src/Utils>`_
Documentation
=============
.. Do not edit this section. It was auto-generated from the
.. NEEDED_MODULES file.
`cisd_sc2 <http://github.com/LCPQ/quantum_package/tree/master/src/CISD/SC2.irp.f#L1>`_
CISD+SC2 method :: take off all the disconnected terms of a CISD (selected or not)
.br
dets_in : bitmasks corresponding to determinants
.br
u_in : guess coefficients on the various states. Overwritten
on exit
.br
dim_in : leftmost dimension of u_in
.br
sze : Number of determinants
.br
N_st : Number of eigenstates
.br
Initial guess vectors are not necessarily orthonormal
`repeat_excitation <http://github.com/LCPQ/quantum_package/tree/master/src/CISD/SC2.irp.f#L143>`_
Undocumented
`cisd <http://github.com/LCPQ/quantum_package/tree/master/src/CISD/cisd_sc2.irp.f#L1>`_
Undocumented