sc::TwoBodyMOIntsTransform(3) MPQC sc::TwoBodyMOIntsTransform(3) NAME sc::TwoBodyMOIntsTransform - TwoBodyMOIntsTransform computes two-body inte- grals in MO basis using parallel integrals-direct AO->MO transformation. SYNOPSIS #include <transform_tbint.h> Inherits sc::SavableState. Inherited by sc::TwoBodyMOIntsTransform_ijxy, sc::TwoBodyMOIntsTrans- form_ikjy, and sc::TwoBodyMOIntsTransform_ixjy. Classes struct MOSpaces Predefined enumerated type for the MO spaces. Public Member Functions TwoBodyMOIntsTransform (StateIn &) TwoBodyMOIntsTransform (const std::string &name, const Ref< MOIntsTrans- formFactory > &factory, const Ref< MOIndexSpace > &space1, const Ref< MOIndexSpace > &space2, const Ref< MOIndexSpace > &space3, const Ref< MOIndexSpace > &space4) void save_data_state (StateOut &) Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. std::string name () const Returns the name of the transform. virtual std::string type () const =0 Returns a short label which uniquely identifies the type of transform. Ref< MemoryGrp > mem () const Returns the MemoryGrp object. Ref< MessageGrp > msg () const Returns the MessageGrp object. Ref< R12IntsAcc > ints_acc () const Returns the integrals accumulator object. Ref< MOIndexSpace > space1 () const Returns MOIndexSpace object 1. Ref< MOIndexSpace > space2 () const Returns MOIndexSpace object 2. Ref< MOIndexSpace > space3 () const Returns MOIndexSpace object 3. Ref< MOIndexSpace > space4 () const Returns MOIndexSpace object 4. double print_percent () const Returns the update print frequency. int batchsize () const Returns the batchsize for each pass of the transformation. int debug () const Returns the debug level. bool dynamic () const Returns whether to use dynamic load balancing. int num_te_types () const Returns the number of types of two body integrals computed. virtual const size_t memgrp_blksize () const =0 Returns the number of bytes allocated for each ij-block of integrals of one type in MemoryGrp. void set_top_mole (const Ref< MolecularEnergy > &top_mole) Specifies the top-level MolecularEnergy object to use for checkpoint- ing. void set_num_te_types (const int num_te_types) Specifies how many integral types computed by TwoBodyInt to be trans- formed Default is 1. void set_memory (const size_t memory) void set_debug (int debug) void set_dynamic (bool dynamic) void set_print_percent (double print_percent) virtual void compute ()=0 Computes transformed integrals. virtual void check_int_symm (double threshold=TwoBodyMOIntsTrans- form::zero_integral) const =0 throw (ProgrammingError) Check symmetry of transformed integrals. virtual void obsolete () Make the transform obsolete. Next call to compute() will recompute. DistShellPair::SharedData * shell_pair_data () Returns a that data that must be shared between all DistShellPair ob- jects. Public Member Functions inherited from sc::SavableState SavableState & operator= (const SavableState &) void save_state (StateOut &) Save the state of the object as specified by the StateOut object. void save_object_state (StateOut &) This can be used for saving state when the exact type of the object is known for both the save and the restore. virtual void save_vbase_state (StateOut &) Save the virtual bases for the object. virtual void save_data_state (StateOut &) Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. Public Member Functions inherited from sc::DescribedClass DescribedClass (const DescribedClass &) DescribedClass & operator= (const DescribedClass &) ClassDesc * class_desc () const throw () This returns the unique pointer to the ClassDesc corresponding to the given type_info object. const char * class_name () const Return the name of the object's exact type. int class_version () const Return the version of the class. virtual void print (std::ostream &=ExEnv::out0()) const Print the object. Public Member Functions inherited from sc::RefCount 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. int managed () const Return 1 if the object is managed. Otherwise return 0. Public Member Functions inherited from sc::Identity Identifier identifier () Return the Identifier for this argument. Protected Member Functions unsigned int restart_orbital () const returns index in range of space1_ where to start the transformation void init_vars () void reinit_acc () void alloc_mem (const size_t localmem) void dealloc_mem () int compute_transform_batchsize_ (size_t mem_static, int rank_i) void memory_report (std::ostream &os=ExEnv::out0()) const Generates a report on memory for the transform : user-specified limits, projected and actual use. void mospace_report (std::ostream &os=ExEnv::out0()) const Generates a report on MO spaces for the transform. void print_header (std::ostream &os=ExEnv::out0()) const Prints out standard header. void print_footer (std::ostream &os=ExEnv::out0()) const Prints out standard footer. Protected Member Functions inherited from sc::SavableState SavableState (const SavableState &) SavableState (StateIn &) Each derived class StateIn CTOR handles the restore corresponding to calling save_object_state, save_vbase_state, and save_data_state listed above. Protected Member Functions inherited from sc::RefCount RefCount (const RefCount &) RefCount & operator= (const RefCount &) Static Protected Member Functions static int compute_nij (const int rank_i, const int rank_j, const int nproc, const int me) Protected Attributes std::string name_ Ref< MOIntsTransformFactory > factory_ Ref< MolecularEnergy > top_mole_ Ref< MessageGrp > msg_ Ref< MemoryGrp > mem_ Ref< ThreadGrp > thr_ Ref< R12IntsAcc > ints_acc_ Ref< MOIndexSpace > space1_ Ref< MOIndexSpace > space2_ Ref< MOIndexSpace > space3_ Ref< MOIndexSpace > space4_ int num_te_types_ size_t memory_ bool dynamic_ double print_percent_ DistShellPair::SharedData spdata_ int debug_ MOIntsTransformFactory::StoreMethod ints_method_ std::string file_prefix_ size_t mem_static_ int batchsize_ int npass_ Static Protected Attributes static const double zero_integral = 1.0e-12 By default, integrals smaller than zero_integral are considered zero. Additional Inherited Members Static Public Member Functions inherited from sc::SavableState static void save_state (SavableState *s, StateOut &) static SavableState * restore_state (StateIn &si) Restores objects saved with save_state. static SavableState * key_restore_state (StateIn &si, const char *keyword) Like restore_state, but keyword is used to override values while restoring. static SavableState * dir_restore_state (StateIn &si, const char *object- name, const char *keyword=0) Detailed Description TwoBodyMOIntsTransform computes two-body integrals in MO basis using paral- lel integrals-direct AO->MO transformation. Member Function Documentation virtual void sc::TwoBodyMOIntsTransform::check_int_symm (double threshold = TwoBodyMOIntsTransform::zero_integral) constProgrammingError [pure virtual] Check symmetry of transformed integrals. Implemented in sc::TwoBodyMOIntsTransform_ijxy, sc::TwoBodyMOIntsTrans- form_ikjy, and sc::TwoBodyMOIntsTransform_ixjy. virtual void sc::TwoBodyMOIntsTransform::compute () [pure virtual] Computes transformed integrals. Implemented in sc::TwoBodyMOIntsTransform_ijxy, sc::TwoBodyMOIntsTrans- form_ikjy, and sc::TwoBodyMOIntsTransform_ixjy. virtual const size_t sc::TwoBodyMOIntsTransform::memgrp_blksize () const [pure virtual] Returns the number of bytes allocated for each ij-block of integrals of one type in MemoryGrp. It's guaranteed to be divisible by sizeof(double). Implemented in sc::TwoBodyMOIntsTransform_ijxy, sc::TwoBodyMOIntsTrans- form_ikjy, and sc::TwoBodyMOIntsTransform_ixjy. void sc::TwoBodyMOIntsTransform::memory_report (std::ostream & os = Ex- Env::out0()) const [protected] Generates a report on memory for the transform : user-specified limits, projected and actual use. Assumes formatting info from ExEnv::out0(). void sc::TwoBodyMOIntsTransform::mospace_report (std::ostream & os = Ex- Env::out0()) const [protected] Generates a report on MO spaces for the transform. Assumes formatting info from ExEnv::out0(). void sc::TwoBodyMOIntsTransform::print_footer (std::ostream & os = Ex- Env::out0()) const [protected] Prints out standard footer. Call at the end of compute(). void sc::TwoBodyMOIntsTransform::print_header (std::ostream & os = Ex- Env::out0()) const [protected] Prints out standard header. Call at the beginning of compute(). void sc::TwoBodyMOIntsTransform::save_data_state (StateOut &) [virtual] Save the base classes (with save_data_state) and the members in the same order that the StateIn CTOR initializes them. This must be implemented by the derived class if the class has data. Reimplemented from sc::SavableState. virtual std::string sc::TwoBodyMOIntsTransform::type () const [pure virtual] Returns a short label which uniquely identifies the type of transform. Implemented in sc::TwoBodyMOIntsTransform_ijxy, sc::TwoBodyMOIntsTrans- form_ikjy, and sc::TwoBodyMOIntsTransform_ixjy. Member Data Documentation const double sc::TwoBodyMOIntsTransform::zero_integral = 1.0e-12 [static], [protected] By default, integrals smaller than zero_integral are considered zero. This constant is only used in checking integrals, not computing them. Author Generated automatically by Doxygen for MPQC from the source code. Version 2.3.1 Thu Sep 3 2026 sc::TwoBodyMOIntsTransform(3)
NAME | SYNOPSIS | Detailed Description | Member Function Documentation | Member Data Documentation | Author
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