NAME

       sc::R12IntsAcc_Node0File

SYNOPSIS

       Inherits sc::R12IntsAcc.

   Public Member Functions
       R12IntsAcc_Node0File (Ref< MemoryGrp > &mem, const char *filename, int num_te_types, int
           ni, int nj, int nx, int ny)
       R12IntsAcc_Node0File (StateIn &)
       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.
       void store_memorygrp (Ref< MemoryGrp > &mem, int ni, const size_t blksize=0)
           Stores all pair block of integrals held in mem.
       void store_pair_block (int i, int j, double *ints)
           Stores an ij pair block of integrals to the file.
       void commit ()
           Commit the content of the accumulator for reading - deactivate the associated
           MemoryGrp and activate the accumulator.
       void activate ()
           Call when ready to start reading content.
       void deactivate ()
           Done reading content - activate the associated MemoryGrp This is a collective
           operation.
       double * retrieve_pair_block (int i, int j, tbint_type oper_type)
           Retrieves an ij pair block of integrals from the file.
       void release_pair_block (int i, int j, tbint_type oper_type)
           Releases an ij pair block of integrals.
       bool is_local (int i, int j) const
           Is this block stored locally?
       bool is_avail (int i, int j) const
           In this implementation blocks are available only on node 0.
       bool has_access (int proc) const
           Does this task have access to all the integrals?
       bool can_restart () const
           Can restart Node0File-based accumulator.
       int ij_index (int i, int j) const
       int ij_proc (int i, int j) const

   Additional Inherited Members

Member Function Documentation

   void sc::R12IntsAcc_Node0File::commit () [virtual]
       Commit the content of the accumulator for reading - deactivate the associated MemoryGrp
       and activate the accumulator. This is a collective operation.

       Reimplemented from sc::R12IntsAcc.

   void sc::R12IntsAcc_Node0File::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::R12IntsAcc.

   void sc::R12IntsAcc_Node0File::store_memorygrp (Ref< MemoryGrp > & mem, int ni, const size_t
       blksize = 0) [virtual]
       Stores all pair block of integrals held in mem. By default blocks are appended to the end
       of the same file, i.e. they are assumed to have come from consecutive passes of the same
       transformation. This is a collective operation. See documentation for
       R12IntsAcc::store_memorygrp() for more info.

       Implements sc::R12IntsAcc.

Author

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