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////////////////////////////////////////////////////////////////////////////////
//
// RealChiro.hh
//
// produced: 13/03/98 jr
// last change: 13/03/98 jr
//
////////////////////////////////////////////////////////////////////////////////
#ifndef REALCHIRO_HH
#define REALCHIRO_HH
#include <assert.h>
#include <iostream>
#include "Array.hh"
#ifdef USE_SPARSEINTSET
#include "SparseIntegerSet.hh"
#else
#include "IntegerSet.hh"
#endif
#include "HashMap.hh"
#ifdef STL_CHIROTOPE
#include <tr1/unordered_map>
#endif
#include "CommandlineOptions.hh"
#include "StairCaseMatrix.hh"
#include "PointConfiguration.hh"
#include "Permutation.hh"
#ifdef USE_SPARSEINTSET
typedef SparseIntegerSet basis_type;
#else
typedef IntegerSet basis_type;
#endif
#ifdef STL_CHIROTOPE
typedef std::tr1::unordered_map<basis_type, int> chirotope_data;
inline std::ostream& operator<<(std::ostream& ost, const chirotope_data& cd) {
for (chirotope_data::const_iterator iter = cd.begin();
iter != cd.end();
++iter) {
ost << iter->first << "->" << iter->second;
}
return ost;
}
inline std::istream& operator>>(std::istream& ist, chirotope_data& cd) {
char dash;
char arrow;
basis_type basis_reader;
int int_reader;
char c;
cd.clear();
ist >> std::ws >> c;
if (c == '[') {
while (ist >> std::ws >> c) {
if (c == ']') {
break;
}
if (c == ',') {
continue;
}
ist.putback(c);
if (!(ist >> std::ws >> basis_reader)) {
#ifdef READ_DEBUG
std::cerr << "std::istream& operator>>(std::istream&, chirotope_data&): "
<< "key not found." << std::endl;
#endif
ist.clear(std::ios::failbit);
return ist;
}
if (!(ist >> std::ws >> dash >> arrow)) {
#ifdef READ_DEBUG
std::cerr << "std::istream& operator>>(std::istream&, chirotope_data&): "
<< "`->' not found." << std::endl;
#endif
ist.clear(std::ios::failbit);
return ist;
}
if (!(ist >> std::ws >> int_reader)) {
#ifdef READ_DEBUG
std::cerr << "std::istream& operator>>(std::istream&, chirotope_data&): "
<< "data not found." << std::endl;
#endif
ist.clear(std::ios::failbit);
return ist;
}
cd[basis_reader] = int_reader;
}
}
else {
#ifdef READ_DEBUG
std::cerr << "std::istream& operator>>(std::istream&, chirotope_data&): "
<< "missing `" << '[' << "'." << std::endl;
#endif
ist.clear(std::ios::failbit);
return ist;
}
ist.clear(std::ios::goodbit);
return ist;
}
#else
typedef HashMap<basis_type, int> chirotope_data;
#endif
inline const char int2sign(const int i) {
switch(i) {
case 1: return '+';
case -1: return '-';
default: return '0';
}
}
inline const int sign2int(const char c) {
switch(c) {
case '+': return 1;
case '-': return -1;
default: return 0;
}
}
class RealChiro : public chirotope_data {
parameter_type _no;
parameter_type _rank;
public:
// constructors:
inline RealChiro();
inline RealChiro(const RealChiro&);
inline RealChiro(const parameter_type&, const parameter_type&);
RealChiro(const PointConfiguration&, bool preprocess=true);
//assignment:
inline RealChiro& operator=(const RealChiro& chiro);
// accessors:
inline parameter_type no() const;
inline parameter_type rank() const;
inline size_type load() const;
// functions:
void erase_random();
const basis_type find_non_deg_basis() const;
RealChiro dual() const;
// operators:
inline const int operator()(const basis_type&) const;
const int operator()(const basis_type& prebasis,
const Permutation& lex_extension_perm) const;
inline const bool operator==(const RealChiro&) const;
inline const bool operator!=(const RealChiro&) const;
// stream output/input:
std::ostream& print_string(std::ostream&) const;
std::ostream& print_dualstring(std::ostream&) const;
std::istream& read_string(std::istream&);
inline friend std::ostream& operator<<(std::ostream&, const RealChiro& chiro);
inline friend std::istream& operator>>(std::istream&, RealChiro& chiro);
private:
// internal algorithms:
void _recursive_chiro(const StairCaseMatrix& current,
const PointConfiguration& points,
const basis_type& basis,
const parameter_type start,
const parameter_type step,
const bool already_dependent);
void _recursive_find_nd_basis(const StairCaseMatrix& current,
const PointConfiguration& points,
const basis_type& basis,
const parameter_type start,
const parameter_type step,
const bool already_dependent);
};
inline RealChiro::RealChiro() : chirotope_data(), _no(0), _rank(0) {
}
inline RealChiro::RealChiro(const RealChiro& chiro) :
chirotope_data(chiro), _no(chiro._no), _rank(chiro._rank) {
}
inline RealChiro::RealChiro(const parameter_type& no,
const parameter_type& rank) :
chirotope_data(), _no(no), _rank(rank) {}
//assignment:
inline RealChiro& RealChiro::operator=(const RealChiro& chiro) {
if (this == &chiro) {
return *this;
}
chirotope_data::operator=(chiro);
_no = chiro._no;
_rank = chiro._rank;
return *this;
}
// accessors:
inline parameter_type RealChiro::no() const { return _no; }
inline parameter_type RealChiro::rank() const { return _rank; }
inline parameter_type RealChiro::load() const {
#ifdef STL_CHIROTOPE
return chirotope_data::size();
#else
return chirotope_data::load();
#endif
}
// operators:
inline const int RealChiro::operator()(const basis_type& basis) const {
#ifdef INDEX_CHECK
if (!(member(basis))) {
std::cerr << *this << " does not contain " << basis << std::endl;
exit(1);
}
#endif
#ifndef STL_CHIROTOPE
return *member(basis);
#else
return find(basis)->second;
#endif
}
inline const bool RealChiro::operator==(const RealChiro& chiro) const {
#ifdef STL_CHIROTOPE
return ((*this) == chiro);
#else
return chirotope_data::operator==(chiro);
#endif
}
inline const bool RealChiro::operator!=(const RealChiro& chiro) const {
return !operator==(chiro);
}
// stream output/input:
inline std::ostream& operator<<(std::ostream& ost, const RealChiro& chiro) {
ost << chiro._no << ',' << chiro._rank << ':' << (chirotope_data&)(chiro);
return ost;
}
inline std::istream& operator>>(std::istream& ist, RealChiro& chiro) {
char c;
ist >> std::ws >> chiro._no >> std::ws >> c >> std::ws >> chiro._rank >> std::ws >> c >> std::ws >> (chirotope_data&)(chiro);
return ist;
}
#endif
// eof RealChiro.hh
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