/usr/include/sc/math/scmat/dist.h is in libsc-dev 2.3.1-16.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// dist.h
//
// Copyright (C) 1996 Limit Point Systems, Inc.
//
// Author: Curtis Janssen <cljanss@limitpt.com>
// Maintainer: LPS
//
// This file is part of the SC Toolkit.
//
// The SC Toolkit is free software; you can redistribute it and/or modify
// it under the terms of the GNU Library General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
//
// The SC Toolkit is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public License
// along with the SC Toolkit; see the file COPYING.LIB. If not, write to
// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
//
// The U.S. Government is granted a limited license as per AL 91-7.
//
#ifdef __GNUC__
#pragma interface
#endif
#ifndef _math_scmat_dist_h
#define _math_scmat_dist_h
#include <util/group/message.h>
#include <util/group/mstate.h>
#include <math/scmat/block.h>
#include <math/scmat/matrix.h>
#include <math/scmat/abstract.h>
namespace sc {
/** The DistSCMatrixKit produces matrices that work in a many processor
environment. The matrix is distributed across all nodes. */
class DistSCMatrixKit: public SCMatrixKit {
public:
DistSCMatrixKit(const Ref<MessageGrp> &grp = 0);
DistSCMatrixKit(const Ref<KeyVal>&);
~DistSCMatrixKit();
SCMatrix* matrix(const RefSCDimension&,const RefSCDimension&);
SymmSCMatrix* symmmatrix(const RefSCDimension&);
DiagSCMatrix* diagmatrix(const RefSCDimension&);
SCVector* vector(const RefSCDimension&);
};
class DistSCVector: public SCVector {
friend class DistSCMatrix;
friend class DistSymmSCMatrix;
friend class DistDiagSCMatrix;
protected:
Ref<SCMatrixBlockList> blocklist;
void init_blocklist();
double *find_element(int i) const;
int element_to_node(int i) const;
int block_to_node(int) const;
Ref<SCMatrixBlock> block_to_block(int) const;
void error(const char *);
public:
DistSCVector(const RefSCDimension&, DistSCMatrixKit*);
~DistSCVector();
void assign_p(const double*);
void assign_v(SCVector*a);
void convert(double* v) const;
void convert(SCVector *);
void set_element(int,double);
void accumulate_element(int,double);
double get_element(int) const;
void accumulate(const SCVector*);
void accumulate(const SCMatrix*m);
double scalar_product(SCVector*);
void accumulate_product_rv(SCMatrix *, SCVector *);
void element_op(const Ref<SCElementOp>&);
void element_op(const Ref<SCElementOp2>&,
SCVector*);
void element_op(const Ref<SCElementOp3>&,
SCVector*,SCVector*);
void vprint(const char* title=0,
std::ostream& out=ExEnv::out0(), int =10) const;
Ref<SCMatrixSubblockIter> local_blocks(SCMatrixSubblockIter::Access);
Ref<SCMatrixSubblockIter> all_blocks(SCMatrixSubblockIter::Access);
Ref<DistSCMatrixKit> skit();
};
class DistSCMatrix: public SCMatrix {
friend class DistSymmSCMatrix;
friend class DistDiagSCMatrix;
friend class DistSCVector;
protected:
Ref<SCMatrixBlockList> blocklist;
int vecoff;
int nvec;
double **vec;
protected:
// utility functions
void init_blocklist();
void error(const char *);
double *find_element(int i, int j) const;
int element_to_node(int i, int j) const;
int block_to_node(int,int) const;
Ref<SCMatrixBlock> block_to_block(int, int) const;
Ref<SCBlockInfo> rowblocks() const { return d1->blocks(); }
Ref<SCBlockInfo> colblocks() const { return d2->blocks(); }
enum VecOp {CopyFromVec, CopyToVec, AccumFromVec, AccumToVec};
enum Form { Row, Col } form;
void create_vecform(Form, int nvec = -1);
void delete_vecform();
void vecform_op(VecOp op, int *ivec = 0);
void vecform_zero();
public:
DistSCMatrix(const RefSCDimension&, const RefSCDimension&,
DistSCMatrixKit*);
~DistSCMatrix();
// implementations and overrides of virtual functions
double get_element(int,int) const;
void set_element(int,int,double);
void accumulate_element(int,int,double);
SCMatrix * get_subblock(int,int,int,int);
void assign_subblock(SCMatrix*, int,int,int,int,int=0,int=0);
void accumulate_subblock(SCMatrix*, int,int,int,int,int=0,int=0);
SCVector * get_row(int i);
SCVector * get_column(int i);
void assign_row(SCVector *v, int i);
void assign_column(SCVector *v, int i);
void accumulate_row(SCVector *v, int i);
void accumulate_column(SCVector *v, int i);
void accumulate_outer_product(SCVector*,SCVector*);
void accumulate_product_rr(SCMatrix*,SCMatrix*);
void accumulate(const SCMatrix*);
void accumulate(const SymmSCMatrix*);
void accumulate(const DiagSCMatrix*);
void accumulate(const SCVector*);
void transpose_this();
double invert_this();
double solve_this(SCVector*);
double determ_this();
double trace();
void gen_invert_this();
void schmidt_orthog(SymmSCMatrix*,int);
int schmidt_orthog_tol(SymmSCMatrix*, double tol, double *res=0);
void element_op(const Ref<SCElementOp>&);
void element_op(const Ref<SCElementOp2>&,
SCMatrix*);
void element_op(const Ref<SCElementOp3>&,
SCMatrix*,SCMatrix*);
void vprint(const char* title=0,
std::ostream& out=ExEnv::out0(), int =10);
void vprint(const char* title=0,
std::ostream& out=ExEnv::out0(), int =10) const;
Ref<SCMatrixSubblockIter> local_blocks(SCMatrixSubblockIter::Access);
Ref<SCMatrixSubblockIter> all_blocks(SCMatrixSubblockIter::Access);
Ref<DistSCMatrixKit> skit();
};
class DistSymmSCMatrix: public SymmSCMatrix {
friend class DistSCMatrix;
friend class DistDiagSCMatrix;
friend class DistSCVector;
protected:
Ref<SCMatrixBlockList> blocklist;
protected:
// utility functions
void init_blocklist();
double *find_element(int i, int j) const;
int element_to_node(int i, int j) const;
int block_to_node(int,int) const;
Ref<SCMatrixBlock> block_to_block(int, int) const;
void error(const char *msg);
public:
DistSymmSCMatrix(const RefSCDimension&, DistSCMatrixKit*);
~DistSymmSCMatrix();
// implementations and overrides of virtual functions
double get_element(int,int) const;
void set_element(int,int,double);
void accumulate_element(int,int,double);
SCMatrix * get_subblock(int,int,int,int);
SymmSCMatrix * get_subblock(int,int);
void assign_subblock(SCMatrix*, int,int,int,int);
void assign_subblock(SymmSCMatrix*, int,int);
void accumulate_subblock(SCMatrix*, int,int,int,int);
void accumulate_subblock(SymmSCMatrix*, int,int);
SCVector * get_row(int i);
void assign_row(SCVector *v, int i);
void accumulate_row(SCVector *v, int i);
void accumulate_product_rr(SCMatrix*,SCMatrix*);
void accumulate(const SymmSCMatrix*);
double invert_this();
double solve_this(SCVector*);
double trace();
double determ_this();
void gen_invert_this();
void diagonalize(DiagSCMatrix*,SCMatrix*);
void accumulate_symmetric_sum(SCMatrix*);
void element_op(const Ref<SCElementOp>&);
void element_op(const Ref<SCElementOp2>&,
SymmSCMatrix*);
void element_op(const Ref<SCElementOp3>&,
SymmSCMatrix*,SymmSCMatrix*);
virtual void convert_accumulate(SymmSCMatrix*);
Ref<SCMatrixSubblockIter> local_blocks(SCMatrixSubblockIter::Access);
Ref<SCMatrixSubblockIter> all_blocks(SCMatrixSubblockIter::Access);
Ref<DistSCMatrixKit> skit();
};
class DistDiagSCMatrix: public DiagSCMatrix {
friend class DistSCMatrix;
friend class DistSymmSCMatrix;
friend class DistSCVector;
protected:
Ref<SCMatrixBlockList> blocklist;
void init_blocklist();
double *find_element(int i) const;
int element_to_node(int i) const;
int block_to_node(int) const;
Ref<SCMatrixBlock> block_to_block(int) const;
void error(const char *msg);
public:
DistDiagSCMatrix(const RefSCDimension&, DistSCMatrixKit*);
~DistDiagSCMatrix();
// implementations and overrides of virtual functions
double get_element(int) const;
void set_element(int,double);
void accumulate_element(int,double);
void accumulate(const DiagSCMatrix*);
double invert_this();
double determ_this();
double trace();
void gen_invert_this();
void element_op(const Ref<SCElementOp>&);
void element_op(const Ref<SCElementOp2>&,
DiagSCMatrix*);
void element_op(const Ref<SCElementOp3>&,
DiagSCMatrix*,DiagSCMatrix*);
Ref<SCMatrixSubblockIter> local_blocks(SCMatrixSubblockIter::Access);
Ref<SCMatrixSubblockIter> all_blocks(SCMatrixSubblockIter::Access);
Ref<DistSCMatrixKit> skit();
};
class DistSCMatrixListSubblockIter: public SCMatrixListSubblockIter {
protected:
Ref<MessageGrp> grp_;
StateSend out_;
StateRecv in_;
int step_;
Ref<SCMatrixBlockList> locallist_;
void maybe_advance_list();
void advance_list();
public:
DistSCMatrixListSubblockIter(Access,
const Ref<SCMatrixBlockList> &locallist,
const Ref<MessageGrp> &grp);
void begin();
void next();
~DistSCMatrixListSubblockIter();
};
}
#endif
// Local Variables:
// mode: c++
// c-file-style: "CLJ"
// End:
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