/usr/include/libnormaliz/cone_property.h is in libnormaliz-dev-common 3.5.1+ds-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Normaliz
* Copyright (C) 2007-2014 Winfried Bruns, Bogdan Ichim, Christof Soeger
* 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/>.
*
* As an exception, when this program is distributed through (i) the App Store
* by Apple Inc.; (ii) the Mac App Store by Apple Inc.; or (iii) Google Play
* by Google Inc., then that store may impose any digital rights management,
* device limits and/or redistribution restrictions that are required by its
* terms of service.
*/
#ifndef CONE_PROPERTY_H_
#define CONE_PROPERTY_H_
#include <bitset>
#include <ostream>
namespace libnormaliz {
/* An enumeration of things, that can be computed for a cone.
* The namespace prevents interfering with other names.
* Remember to change also the string conversion if you change this enum!
*/
namespace ConeProperty {
enum Enum {
//
// goals that can be computed (or are defined by input data)
//
// matrix valued
Generators,
ExtremeRays,
VerticesFloat,
VerticesOfPolyhedron,
SupportHyperplanes,
HilbertBasis,
ModuleGenerators,
Deg1Elements,
ModuleGeneratorsOverOriginalMonoid,
Sublattice,
ExcludedFaces,
OriginalMonoidGenerators,
MaximalSubspace,
Equations,
Congruences,
//vector valued
Grading,
Dehomogenization,
WitnessNotIntegrallyClosed,
GeneratorOfInterior,
// Cardinalities
TriangulationSize,
// Integer valued,
TriangulationDetSum,
ReesPrimaryMultiplicity,
GradingDenom,
UnitGroupIndex,
InternalIndex,
ExternalIndex,
// rational valued
Multiplicity,
Volume,
Integral,
VirtualMultiplicity,
// floating point valued
EuclideanVolume,
// dimensions
RecessionRank,
AffineDim,
ModuleRank,
Rank,
EmbeddingDim,
// boolean valued
IsPointed,
IsDeg1ExtremeRays,
IsDeg1HilbertBasis,
IsIntegrallyClosed,
IsReesPrimary,
IsInhomogeneous,
IsGorenstein,
// complex structures
Triangulation,
StanleyDec,
InclusionExclusionData,
ClassGroup,
IntegerHull,
ProjectCone,
ConeDecomposition,
HilbertSeries,
HilbertQuasiPolynomial,
WeightedEhrhartSeries,
WeightedEhrhartQuasiPolynomial,
//
// integer type for computations
//
BigInt,
//
// algorithmic variants
//
DefaultMode,
Approximate,
BottomDecomposition,
NoBottomDec,
DualMode,
PrimalMode,
Projection,
ProjectionFloat,
NoProjection,
Symmetrize,
NoSymmetrization,
NoSubdivision,
NoNestedTri, // synonym for NoSubdivision
KeepOrder,
HSOP,
NoPeriodBound,
SCIP,
NoLLL,
NoRelax,
//
// checking properties of already computed data
// (cannot be used as a computation goal)
//
IsTriangulationNested,
IsTriangulationPartial,
//
// ONLY FOR INTERNAL CONTROL
//
ExplicitHilbertSeries,
NakedDual,
EnumSize // this has to be the last entry, to get the number of entries in the enum
}; // remember to change also the string conversion function if you change this enum
}
class ConeProperties {
public:
/* Constructors */
ConeProperties();
ConeProperties(ConeProperty::Enum);
ConeProperties(ConeProperty::Enum, ConeProperty::Enum);
ConeProperties(ConeProperty::Enum, ConeProperty::Enum, ConeProperty::Enum);
ConeProperties(const std::bitset<ConeProperty::EnumSize>&);
/* set properties */
ConeProperties& set(ConeProperty::Enum, bool value=true);
ConeProperties& set(const std::string s, bool value=true);
ConeProperties& set(ConeProperty::Enum, ConeProperty::Enum);
ConeProperties& set(ConeProperty::Enum, ConeProperty::Enum, ConeProperty::Enum);
ConeProperties& set(const ConeProperties&);
/* reset (=unset) properties */
ConeProperties& reset(ConeProperty::Enum Property);
ConeProperties& reset(const ConeProperties&);
ConeProperties& reset_compute_options();
/* test which/how many properties are set */
bool test(ConeProperty::Enum Property) const;
bool any() const;
bool none() const;
size_t count () const;
/* return the restriction of this to the goals / options */
ConeProperties goals();
ConeProperties options();
/* the following methods are used internally */
void set_preconditions(bool inhomogeneous); // activate properties which are needed implicitly
void prepare_compute_options(bool inhomogeneous);
void check_sanity(bool inhomogeneous);
void check_conflicting_variants();
/* print it in a nice way */
friend std::ostream& operator<<(std::ostream&, const ConeProperties&);
private:
std::bitset<ConeProperty::EnumSize> CPs;
};
// conversion to/from strings
bool isConeProperty(ConeProperty::Enum& cp, const std::string& s);
ConeProperty::Enum toConeProperty(const std::string&);
const std::string& toString(ConeProperty::Enum);
std::ostream& operator<<(std::ostream&, const ConeProperties&);
}
#endif /* CONE_PROPERTY_H_ */
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