Detailed Description

type definitions for symmetry computations

Author: Marc Pfetsch

#include <scip/scip.h>

Macros
#define	SYM_SPEC_INTEGER UINT32_C(0x00000001)

#define	SYM_SPEC_BINARY UINT32_C(0x00000002)

#define	SYM_SPEC_REAL UINT32_C(0x00000004)

#define	SYM_HANDLETYPE_NONE UINT32_C(0x00000000)

#define	SYM_HANDLETYPE_SYMBREAK UINT32_C(0x00000001)

#define	SYM_HANDLETYPE_ORBITALFIXING UINT32_C(0x00000002)

Typedefs
typedef uint32_t	SYM_SPEC

typedef enum SYM_Rhssense	SYM_RHSSENSE

typedef uint32_t	SYM_HANDLETYPE

typedef struct SYM_Vartype	SYM_VARTYPE

typedef struct SYM_Matrixdata	SYM_MATRIXDATA

Enumerations
enum	SYM_Rhssense { SYM_SENSE_UNKOWN = 0, SYM_SENSE_INEQUALITY = 1, SYM_SENSE_EQUATION = 2, SYM_SENSE_XOR = 3, SYM_SENSE_AND = 4, SYM_SENSE_OR = 5, SYM_SENSE_BOUNDIS_TYPE_1 = 6, SYM_SENSE_BOUNDIS_TYPE_2 = 7 }

Macro Definition Documentation

◆ SYM_SPEC_INTEGER

#define SYM_SPEC_INTEGER UINT32_C(0x00000001)

symmetry type specification need symmetries for integer variables only

Definition at line 33 of file type_symmetry.h.

Referenced by determineSymmetry(), getSymmetries(), SymmetryFixVar(), and tryAddSymmetryHandlingConss().

◆ SYM_SPEC_BINARY

#define SYM_SPEC_BINARY UINT32_C(0x00000002)

need symmetries for binary variables only

Definition at line 34 of file type_symmetry.h.

Referenced by determineSymmetry(), getSymmetries(), SymmetryFixVar(), and tryAddSymmetryHandlingConss().

◆ SYM_SPEC_REAL

#define SYM_SPEC_REAL UINT32_C(0x00000004)

need symmetries also for continuous variables

Definition at line 35 of file type_symmetry.h.

Referenced by determineSymmetry(), SymmetryFixVar(), and tryAddSymmetryHandlingConss().

◆ SYM_HANDLETYPE_NONE

#define SYM_HANDLETYPE_NONE UINT32_C(0x00000000)

no symmetry handling

Definition at line 54 of file type_symmetry.h.

◆ SYM_HANDLETYPE_SYMBREAK

#define SYM_HANDLETYPE_SYMBREAK UINT32_C(0x00000001)

symmetry breaking inequalities

Definition at line 55 of file type_symmetry.h.

Referenced by SCIP_DECL_PRESOLINIT(), and SCIP_DECL_PRESOLINITPRE().

◆ SYM_HANDLETYPE_ORBITALFIXING

#define SYM_HANDLETYPE_ORBITALFIXING UINT32_C(0x00000002)

orbital fixing

Definition at line 56 of file type_symmetry.h.

Referenced by SCIP_DECL_PROPINIT().

Typedef Documentation

◆ SYM_SPEC

typedef uint32_t SYM_SPEC

types of variables handled by symmetry

Definition at line 37 of file type_symmetry.h.

◆ SYM_RHSSENSE

typedef enum SYM_Rhssense SYM_RHSSENSE

Definition at line 51 of file type_symmetry.h.

◆ SYM_HANDLETYPE

typedef uint32_t SYM_HANDLETYPE

type of symmetry handling

Definition at line 58 of file type_symmetry.h.

◆ SYM_VARTYPE

typedef struct SYM_Vartype SYM_VARTYPE

data of variables that are considered to be equivalent

Definition at line 60 of file type_symmetry.h.

◆ SYM_MATRIXDATA

typedef struct SYM_Matrixdata SYM_MATRIXDATA

data for symmetry group computation

Definition at line 61 of file type_symmetry.h.

Enumeration Type Documentation

◆ SYM_Rhssense

enum SYM_Rhssense

define sense of rhs

Enumerator
SYM_SENSE_UNKOWN	unknown sense
SYM_SENSE_INEQUALITY	linear inequality
SYM_SENSE_EQUATION	linear equation
SYM_SENSE_XOR	XOR constraint
SYM_SENSE_AND	AND constraint
SYM_SENSE_OR	OR constrant
SYM_SENSE_BOUNDIS_TYPE_1	bounddisjunction type 1
SYM_SENSE_BOUNDIS_TYPE_2	bounddisjunction type 2

Definition at line 40 of file type_symmetry.h.

SCIP