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////////////////////////////////////////////////////////////////////////////////
//
// PointConfiguration.hh
//
// produced: 21/08/97 jr
// last change: 30/10/97 jr
//
////////////////////////////////////////////////////////////////////////////////
#ifndef POINTCONFIGURATION_HH
#define POINTCONFIGURATION_HH
#include <assert.h>
#include "IntegerSet.hh"
#include "Vector.hh"
#include "Matrix.hh"
#include "StairCaseMatrix.hh"
#include "CommandlineOptions.hh"
#include "Simplex.hh"
namespace topcom {
class Symmetry;
class SymmetryGroup;
typedef Vector Point;
class ProductIndex {
private:
const size_type _size1;
const size_type _size2;
private:
ProductIndex();
public:
inline ProductIndex(const ProductIndex& pi) :
_size1(pi._size1), _size2(pi._size2) {}
inline ProductIndex(const size_type size1, const size_type size2) :
_size1(size1), _size2(size2) {}
inline const size_type operator()(const size_type i1, const size_type i2) const {
return i1*_size2 + i2;
}
};
class CyclicIndex {
private:
const size_type _size1;
const size_type _size2;
private:
CyclicIndex();
public:
inline CyclicIndex(const CyclicIndex& pi) :
_size1(pi._size1), _size2(pi._size2) {}
inline CyclicIndex(const size_type size1, const size_type size2) :
_size1(size1), _size2(size2) {}
inline const size_type operator()(const size_type i1, const size_type i2) const {
return i1;
}
};
class RevCyclicIndex {
private:
const size_type _size1;
const size_type _size2;
private:
RevCyclicIndex();
public:
inline RevCyclicIndex(const RevCyclicIndex& pi) :
_size1(pi._size1), _size2(pi._size2) {}
inline RevCyclicIndex(const size_type size1, const size_type size2) :
_size1(size1), _size2(size2) {}
inline const size_type operator()(const size_type i1, const size_type i2) const {
return i2;
}
};
class PointConfiguration : public Matrix {
public:
// constructors:
inline PointConfiguration();
inline PointConfiguration(const PointConfiguration&);
inline PointConfiguration(const Matrix&);
inline ~PointConfiguration();
// accessors:
inline const parameter_type no() const { return coldim(); }
inline const parameter_type rank() const { return _compute_rank(); }
const int zeroes_in_row(const size_type) const;
const int zeroes_in_col(const size_type) const;
// functions
const Field volume() const;
const Field volume(const Simplex&) const;
// constructions in place:
PointConfiguration& prism ();
PointConfiguration& pyramid ();
PointConfiguration& direct_sum (const PointConfiguration&);
PointConfiguration& homogenize ();
PointConfiguration& transform_to_full_rank();
PointConfiguration gale() const;
// constructions out of place:
PointConfiguration product (const PointConfiguration&) const;
// operations in place:
PointConfiguration& sort_rows();
PointConfiguration& lex_abs_sort_cols(Symmetry& sym);
PointConfiguration& preprocess(Symmetry& sym);
PointConfiguration& reverse(Symmetry& sym);
// std::istream:
inline std::istream& read(std::istream&);
inline friend std::istream& operator>>(std::istream&, PointConfiguration&);
private:
const parameter_type _compute_rank() const;
};
inline PointConfiguration::PointConfiguration() :
Matrix() {
}
inline PointConfiguration::PointConfiguration(const PointConfiguration& points) :
Matrix(points) {
}
inline PointConfiguration::PointConfiguration(const Matrix& matrix) :
Matrix(matrix) {
}
inline PointConfiguration::~PointConfiguration() {
#ifdef CONSTRUCTOR_DEBUG
std::cerr << "destroying PointConfiguration " << *this << std::endl;
#endif
}
inline std::istream& PointConfiguration::read(std::istream& ist) {
Matrix::read(ist);
#ifdef MAXNOIS64
if (no() > block_len) {
std::cerr << "PointConfiguration::read(std::istream& ist): " << std::endl
<< "Code was compiled for at most "
<< block_len << " points, " << std::endl
<< "but the input configuration has "
<< no() << " points." << std::endl;
exit(1);
}
#endif
this->canonicalize();
for (size_type i = 0; i < this->size(); ++i) {
if (this->col(i).is_zero()) {
#ifdef READ_DEBUG
std::cerr << "PointConfiguration::read(std::istream& ist): "
<< "[0, ..., 0] not allowed."
<< std::endl;
#endif
ist.setstate(std::ios::failbit);
return ist;
}
}
return ist;
}
inline std::istream& operator>>(std::istream& ist, PointConfiguration& pc) {
return pc.read(ist);
}
}; // namespace topcom
#endif
// eof PointConfiguration.hh
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