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// -*- mode:C++ ; compile-command: "g++ -I.. -g -c permu.cc" -*-
/*
* Copyright (C) 2000,2014 B. Parisse, Institut Fourier, 38402 St Martin d'Heres
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _GIAC_PERMU_H_
#define _GIAC_PERMU_H_
#include "first.h"
#include "global.h"
#include "gen.h"
#include "unary.h"
#include "symbolic.h"
#ifndef NO_NAMESPACE_GIAC
namespace giac {
#endif // ndef NO_NAMESPACE_GIAC
gen _trn(const gen & args,GIAC_CONTEXT);
gen _sizes(const gen & args,GIAC_CONTEXT);
gen _permuorder(const gen & args,GIAC_CONTEXT);
gen _randperm(const gen & args,GIAC_CONTEXT);
std::vector<int> rand_k_n(int k,int n,bool sorted);
void shuffle(std::vector<int> & temp);
gen _is_permu(const gen & args,GIAC_CONTEXT);
gen _is_cycle(const gen & args,GIAC_CONTEXT);
gen _cycle2perm(const gen & args,GIAC_CONTEXT);
gen _p1op2(const gen & args,GIAC_CONTEXT);
gen _c1oc2(const gen & args,GIAC_CONTEXT);
gen _c1op2(const gen & args,GIAC_CONTEXT);
gen _p1oc2(const gen & args,GIAC_CONTEXT);
gen _cycles2permu(const gen & args,GIAC_CONTEXT);
gen _permu2cycles(const gen & args,GIAC_CONTEXT);
gen _perminv(const gen & args,GIAC_CONTEXT);
gen _cycleinv(const gen & args,GIAC_CONTEXT);
gen _signature(const gen & args,GIAC_CONTEXT);
gen square_hadamard_bound(const matrice & m);
gen l2norm2(const gen & g);
gen _randperm(const gen & args,GIAC_CONTEXT);
vecteur vector_giac_double_2_vecteur(const std::vector<giac_double> & v);
vecteur vectvector_giac_double_2_vecteur(const std::vector< std::vector<giac_double> > & v);
vecteur vector_int_2_vecteur(const std::vector<int> & v);
vecteur vector_int_2_vecteur(const std::vector<int> & v,GIAC_CONTEXT);
std::vector<int> vecteur_2_vector_int(const vecteur & v);
std::vector< std::vector<int> > vecteur_2_vectvector_int(const vecteur & v);
vecteur vectvector_int_2_vecteur(const std::vector< std::vector<int> > & v);
std::vector<int> sizes(const std::vector< std::vector<int> > & v);
std::vector<int> randperm(const int & n);
bool is_permu(const vecteur &p,std::vector<int> & p1,GIAC_CONTEXT);
bool is_cycle(const vecteur & c,std::vector<int> & c1,GIAC_CONTEXT);
int int signature(const std::vector<int> & p) ;(const std::vector<int> & p) int signature(const std::vector<int> & p) ;
std::vector< std::vector<int> > permu2cycles(const std::vector<int> & p) ;
std::vector<int> cycle2permu(const std::vector< std::vector<int> > & c);
std::vector<int> cycle2perm(const std::vector<int> & c) ;
std::vector< std::vector<int> > permu2cycles(const std::vector<int> & p) ;
std::vector<int> cycleinv(const std::vector<int> & c);
std::vector<int> perminv(const std::vector<int> & p);
int signature(const std::vector<int> & p);
std::vector<int> p1op2(const std::vector<int> & p1,const std::vector<int> & p2);
std::vector<int> c1oc2(const std::vector<int> & c1,const std::vector<int> & c2);
std::vector<int> c1op2(const std::vector<int> & c1, const std::vector<int> & p2);
std::vector<int> p1oc2(const std::vector<int> & p1, const std::vector<int> & c2);
gen _hilbert(const gen & args,GIAC_CONTEXT);
// arithmetic mean column by column gen l2norm2(const gen & g);
gen square_hadamard_bound(const matrice & m);
gen _hadamard(const gen & args,GIAC_CONTEXT);
gen _trn(const gen & args,GIAC_CONTEXT);
gen _syst2mat(const gen & args,GIAC_CONTEXT);
gen _vandermonde(const gen & args,GIAC_CONTEXT);
gen _laplacian(const gen & args,GIAC_CONTEXT);
gen _hessian(const gen & args,GIAC_CONTEXT);
gen _divergence(const gen & args,GIAC_CONTEXT);
gen _curl(const gen & args,GIAC_CONTEXT);
bool find_n_x(const gen & args,int & n,gen & x,gen & a);
std::vector< std::vector<int> > groupermu(const std::vector<int> & p1,const std::vector<int> & p2) ;
gen _groupermu(const gen & args,GIAC_CONTEXT);
gen _nextperm(const gen & args,GIAC_CONTEXT);
gen _prevperm(const gen & args,GIAC_CONTEXT);
gen _split(const gen & args,GIAC_CONTEXT);
gen _sum_riemann(const gen & args,GIAC_CONTEXT);
vecteur mean(const matrice & m,bool column=true);
vecteur stddev(const matrice & m,bool column=true,int variance=1);
matrice ascsort(const matrice & m,bool column=true);
vecteur hermite(int n);
gen _divergence(const gen &,GIAC_CONTEXT);
gen _hermite(const gen & args,GIAC_CONTEXT);
gen _laguerre(const gen & args,GIAC_CONTEXT);
vecteur tchebyshev1(int n);
gen _tchebyshev1(const gen & args,GIAC_CONTEXT);
vecteur tchebyshev2(int n);
gen _tchebyshev2(const gen & args,GIAC_CONTEXT);
vecteur legendre(int n);
gen _legendre(const gen & args,GIAC_CONTEXT);
gen _curl(const gen & args,GIAC_CONTEXT);
extern const unary_function_ptr * const at_curl;
extern const unary_function_ptr * const at_trn;
gen _permu2mat(const gen & args,GIAC_CONTEXT); // permutation vector -> matrix
#ifndef NO_NAMESPACE_GIAC
} // namespace giac
#endif // NO_NAMESPACE_GIAC
#endif // _GIAC_PERMU_H
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