/usr/include/givaro/givpoly1io.inl is in libgivaro-dev 4.0.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// $Source: /var/lib/cvs/Givaro/src/library/poly1/givpoly1io.inl,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: givpoly1io.inl,v 1.7 2011-02-02 16:23:56 briceboyer Exp $
// ==========================================================================
// Description:
#ifndef __GIVARO_poly1_io_INL
#define __GIVARO_poly1_io_INL
#include <iostream>
namespace Givaro {
// --
template<class Domain>
std::istream& Poly1Dom<Domain,Dense>::read ( std::istream& sin )
{
char ch;
sin >> std::ws >> ch;
#ifdef GIVARO_DEBUG
if (ch != '(')
GivError::throw_error(
GivBadFormat("Poly1Dom<Domain,Dense>::read: syntax error no '('"));
#endif
_domain.read(sin);
sin >> std::ws >> ch;
#ifdef GIVARO_DEBUG
if (ch != ',')
GivError::throw_error(
GivBadFormat("Poly1Dom<Domain,Dense>::read: syntax error no ','"));
#endif
sin >> _x;
sin >> std::ws >> ch;
#ifdef GIVARO_DEBUG
if (ch != ')')
GivError::throw_error(
GivBadFormat("Poly1Dom<Domain,Dense>::read: syntax error no ')'"));
#endif
return sin;
}
template<class Domain>
std::ostream& Poly1Dom<Domain,Dense>::write( std::ostream& o ) const
{
return _domain.write(o) << '[' << _x << ']';
}
template<class Domain>
std::ostream& Poly1Dom<Domain,Dense>::write( std::ostream& o, const Rep& R) const
{
if (R.size()) {
Rep P; assign(P, R);
setdegree(P);
if (P.size()) {
if (! _domain.isZero(P[0])) {
if (_domain.isOne(P[0]))
_domain.write(o,P[0]);
else
_domain.write(o << "(",P[0]) << ")";
}
if (P.size() > 1) {
if (! _domain.isZero(P[0])) o << " + ";
if (! _domain.isZero(P[1])) {
if (! _domain.isOne(P[1])) {
_domain.write(o << "(",P[1]) << ")*";
}
o << _x;
}
for(unsigned long l=2;l<P.size();++l) {
if (! _domain.isZero(P[l-1])) o << " + ";
if (! _domain.isZero(P[l])) {
if (! _domain.isOne(P[l])) {
_domain.write(o << "(",P[l]) << ")*";
}
o << _x << "^" << l;
}
}
}
return o;
}
}
return o << "0";
}
template<class Domain>
std::istream& Poly1Dom<Domain,Dense>::read ( std::istream& i, Rep& P) const
{
long deg;
i >> deg;
init(P,Degree(deg));
// JGD 18.09.2002
for(;deg>=0;--deg)
_domain.read( i, P[(size_t)deg]);
// i >> P[deg];
return i;
}
} // Givaro
#endif // __GIVARO_poly1_io_INL
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