/usr/include/sc/math/scmat/blkiter.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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// blkiter.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.
//
#ifndef _math_scmat_blkiter_h
#define _math_scmat_blkiter_h
#ifdef __GNUC__
#pragma interface
#endif
#include <math/scmat/block.h>
namespace sc {
class SCMatrixRectBlock;
class SCMatrixLTriBlock;
class SCMatrixDiagBlock;
class SCVectorSimpleBlock;
class SCElementOp;
class SCElementOp2;
class SCElementOp3;
/** The SCMatrixBlockIter class is used to described iterates that
loop through the elements in a block. */
class SCMatrixBlockIter {
public:
SCMatrixBlockIter() {}
virtual ~SCMatrixBlockIter();
/// Returns the row index.
virtual int i() = 0;
/// Returns the column index.
virtual int j() = 0;
/// Set the current element to val.
virtual void set(double val) = 0;
/// Add val to the current element.
virtual void accum(double val);
/// Return the value of the current element.
virtual double get() = 0;
/// Return nonzero if there are more elements.
virtual operator int() = 0;
/// Move to the next element.
virtual void operator++() = 0; // prefix ++
void operator++(int) { operator++(); }
/// Start the iteration over.
virtual void reset() = 0;
};
class SCMatrixRectBlockIter: public SCMatrixBlockIter {
private:
SCMatrixRectBlock* block;
int i_;
int block_index;
int j_;
public:
SCMatrixRectBlockIter(SCMatrixRectBlock*);
virtual ~SCMatrixRectBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCMatrixRectSubBlockIter: public SCMatrixBlockIter {
private:
SCMatrixRectSubBlock* block;
int i_;
int block_index;
int j_;
public:
SCMatrixRectSubBlockIter(SCMatrixRectSubBlock*);
virtual ~SCMatrixRectSubBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCMatrixLTriBlockIter: public SCMatrixBlockIter {
private:
SCMatrixLTriBlock* block;
int block_index;
int i_;
int j_;
public:
SCMatrixLTriBlockIter(SCMatrixLTriBlock*);
virtual ~SCMatrixLTriBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCMatrixLTriSubBlockIter: public SCMatrixBlockIter {
private:
SCMatrixLTriSubBlock* block;
int block_index;
int i_;
int j_;
public:
SCMatrixLTriSubBlockIter(SCMatrixLTriSubBlock*);
virtual ~SCMatrixLTriSubBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCMatrixDiagBlockIter: public SCMatrixBlockIter {
private:
SCMatrixDiagBlock* block;
int block_index;
int i_;
public:
SCMatrixDiagBlockIter(SCMatrixDiagBlock*);
virtual ~SCMatrixDiagBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCMatrixDiagSubBlockIter: public SCMatrixBlockIter {
private:
SCMatrixDiagSubBlock* block;
int block_index;
int i_;
public:
SCMatrixDiagSubBlockIter(SCMatrixDiagSubBlock*);
virtual ~SCMatrixDiagSubBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCVectorSimpleBlockIter: public SCMatrixBlockIter {
private:
SCVectorSimpleBlock* block;
int block_index;
int i_;
public:
SCVectorSimpleBlockIter(SCVectorSimpleBlock*);
virtual ~SCVectorSimpleBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
class SCVectorSimpleSubBlockIter: public SCMatrixBlockIter {
private:
SCVectorSimpleSubBlock* block;
int block_index;
int i_;
public:
SCVectorSimpleSubBlockIter(SCVectorSimpleSubBlock*);
virtual ~SCVectorSimpleSubBlockIter();
int i();
int j();
double get();
void set(double);
operator int();
void operator++();
void reset();
};
}
#endif
// Local Variables:
// mode: c++
// c-file-style: "CLJ"
// End:
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