/usr/include/trilinos/fei_CSVec.hpp is in libtrilinos-dev 10.4.0.dfsg-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | #ifndef _fei_CSVec_hpp_
#define _fei_CSVec_hpp_
/*--------------------------------------------------------------------*/
/* Copyright 2005 Sandia Corporation. */
/* Under the terms of Contract DE-AC04-94AL85000, there is a */
/* non-exclusive license for use of this work by or on behalf */
/* of the U.S. Government. Export of this program may require */
/* a license from the United States Government. */
/*--------------------------------------------------------------------*/
#include <fei_macros.hpp>
#include <fei_FillableVec.hpp>
#include <vector>
namespace fei {
/** 'Compressed Sparse Vector' stored as two std::vectors: a vector of ints for the
indices and a vector of doubles for the coefficients.
Non-member functions add_entry and put_entry maintain sortedness of the
vector when inserting new entries.
*/
class CSVec {
public:
CSVec(const FillableVec& invec);
CSVec(unsigned sz=0);
virtual ~CSVec();
CSVec& operator=(const CSVec& invec);
CSVec& operator=(const FillableVec& invec);
std::vector<int>& indices() {return indices_;}
const std::vector<int>& indices() const {return indices_;}
std::vector<double>& coefs() {return coefs_;}
const std::vector<double>& coefs() const {return coefs_;}
size_t size() const {return indices_.size();}
void clear() { indices_.clear(); coefs_.clear(); }
private:
std::vector<int> indices_;
std::vector<double> coefs_;
};//class CSVec
void add_entry(CSVec& vec, int eqn, double coef);
void put_entry(CSVec& vec, int eqn, double coef);
void remove_entry(CSVec& vec, int eqn);
void set_values(CSVec& vec, double scalar);
/** form v = v + u
*/
void add_CSVec_CSVec(const CSVec& u, CSVec& v);
}//namespace fei
#endif
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