/usr/include/linbox/blackbox/ntl-sylvester.h is in liblinbox-dev 1.1.6~rc0-4.1.
This file is owned by root:root, with mode 0o644.
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/*-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* ntl-sylvester.h
* Copyright (C) 2003 Austin Lobo, B. David Saunders
*
* Template for sylvester matrix specification for ntl Arithmetic,
* for polynomials in one variable.
* Linbox version 2003
*-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+*/
#ifndef NTL_SYLVESTER_H
#define NTL_SYLVESTER_H
#include <iostream>
#include <fstream>
#include <vector>
#include <NTL/ZZ_pX.h>
#include <NTL/ZZ_p.h>
#include <linbox/blackbox/blackbox-interface.h>
#include "linbox/vector/vector-traits.h"
namespace LinBox
{
/// This is a representation of the Sylvester matrix of two polynomials.
/// \ingroup blackbox
template <class _Field>
class Sylvester : public BlackboxInterface
{
public:
typedef _Field Field;
typedef typename Field::Element element; // Currently restricted to ZZ_p
~Sylvester(); // Destructor
Sylvester(); // Default Constructor
Sylvester( const Field F,
const std::vector<element> &vpx,
const std::vector<element> &vpy ); // Constructor given 2 polys and Field
void print( std::ostream& os = std::cout ) const; // Print to stream or stdout
void print( char *outFileName ) const; // Print to file or stdout
void printcp( char *outFileName) const; // Print to file in sparse format
inline size_t rowdim() const { return rowDim; }
inline size_t coldim() const { return colDim; }
inline size_t sysdim() const { return sysDim; }
const Field& field() const { return K; }
template<typename _Tp1>
struct rebind
{ typedef Sylvester<_Tp1> other; };
template <class OutVector, class InVector>
OutVector& apply( OutVector &v_out, const InVector& v_in ) const;
template <class OutVector, class InVector>
OutVector& applyTranspose( OutVector &v_out, const InVector& v_in ) const;
//Sylvester(char *dataFileName ); // read from a file -- not implemented yet
protected:
Field K;
size_t rowDim,
colDim,
sysDim;
NTL::ZZ_pX pxdata, // "Upper" Polynomial
qxdata; // "Lower" Polynomial in Sylvester matrix
std::vector<NTL::ZZ_p> pdata, // Input vector of polynomial coeff
qdata; // Input vector of coeffs for second poly
size_t pxdeg() const { return pdata.size() - 1; }
size_t qxdeg() const { return qdata.size() - 1; }
};// End, template <class Field, class Vector>
}
#include <linbox/blackbox/ntl-sylvester.inl>
#endif
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