/usr/include/givaro/givarithmetics.h is in libgivaro-dev 3.7.2-1.
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 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 | // ==========================================================================
// $Source: /var/lib/cvs/Givaro/src/library/tools/givarithmetics.h,v $
// Copyright(c)'1994-2009 by The Givaro group
// This file is part of Givaro.
// Givaro is governed by the CeCILL-B license under French law
// and abiding by the rules of distribution of free software.
// see the COPYRIGHT file for more details.
// Authors: T. Gautier
// $Id: givarithmetics.h,v 1.2 2009-09-17 14:28:23 jgdumas Exp $
// ==========================================================================
// Description:
// - definition of standard arithmetics over Vector & Matrix
#ifndef __GIVARO_arithmethics_H
#define __GIVARO_arithmethics_H
//
#include "givaro/givconfig.h"
namespace Givaro {
template<class Domain>
struct KSpace {
// -- exported types
typedef Domain Domain_t;
typedef typename Domain::Rep Entry_t;
typedef typename Domain::Type_t Scalar_t;
typedef KSpace<Domain> Self_t;
// -- Cstor
KSpace() : _domain(), _entry() {};
KSpace(const Domain_t& D) : _domain(D), _entry() {};
KSpace(const Domain_t& D, size_t dim ) : _domain(D), _entry()
{
_domain.init(_entry, dim);
};
KSpace(const Self_t& S) : _domain(S._domain)
{
_domain.assign(_entry,S._entry);
};
// -- Destor: implicit
// -- assignment:
Self_t& operator= (const Self_t& e ) {
e._domain.assign(_entry, e._entry);
return *this;
}
// -- arithmetic operators:
Self_t& operator+= ( const Self_t& a ) {
_domain.addin( _entry, a._entry );
return *this;
}
Self_t& operator-= ( const Self_t& a ) {
_domain.subin( _entry, a._entry );
return *this;
}
Self_t& operator*= ( const Scalar_t& v ) {
typedef typename Domain::Domain_t SubDomain_t; // domain of the scalar
Curried2<MulOp<SubDomain_t> > opcode( _domain.subdomain(), v);
_domain.map( _entry, opcode, _entry );
return *this;
}
Self_t operator+ ( const Self_t& a ) const {
KSpace<Domain> res(_domain);
_domain.init( res._entry, _domain.dim(_entry) );
_domain.add( res._entry, _entry, a._entry );
return res;
}
Self_t operator- ( const Self_t& a ) const {
KSpace<Domain> res(_domain);
_domain.init( res._entry, _domain.dim(_entry) );
_domain.sub( res._entry, _entry, a._entry );
return res;
}
Self_t operator* ( const Scalar_t& v ) const {
typedef typename Domain::Domain_t SubDomain_t; // domain of the scalar
KSpace<Domain> res(_domain);
_domain.init( res._entry, _domain.dim(_entry) );
Curried2<MulOp<SubDomain_t> > opcode( _domain.subdomain(), (Scalar_t&)v);
_domain.map( res._entry, opcode, _entry );
return res;
}
Scalar_t& operator[] (int i) { return _entry[i]; }
const Scalar_t& operator[] (int i) const { return _entry[i]; }
// -- representation
const Domain_t _domain;
Entry_t _entry;
};
// -- friend operator
template<class Domain>
KSpace<Domain> operator*
( const typename KSpace<Domain>::Scalar_t& v, const KSpace<Domain>& U )
{
typedef typename KSpace<Domain>::Scalar_t Scalar_t;
typedef typename Domain::Domain_t SubDomain_t; // domain of the scalar
KSpace<Domain> res(U._domain);
U._domain.init( res._entry, U._domain.dim(U._entry) );
Curried1<MulOp<SubDomain_t> > opcode( U._domain.subdomain(), (Scalar_t&)v);
U._domain.map( res._entry, opcode, U._entry );
return res;
}
template<class Domain>
inline void dotprod(
typename Domain::Scalar_t& dot,
const KSpace<Domain>& U,
const KSpace<Domain>& V)
{
U._domain.dot(dot, U._entry, V._entry);
}
template<class Domain>
inline ostream& operator<<(ostream& sout, const KSpace<Domain>& U )
{
return U._domain.write(sout, U._entry);
}
template<class Domain>
inline istream& operator>>(istream& sin, KSpace<Domain>& U )
{
return U._domain.read(sin, U._entry);
}
} // Givaro
#endif
|