Detailed Description
internal miscellaneous methods
Definition in file misc.h.
#include "scip/def.h"
#include "blockmemshell/memory.h"
#include "scip/type_retcode.h"
#include "scip/type_set.h"
#include "scip/type_misc.h"
#include "scip/pub_misc.h"
Go to the source code of this file.
Function Documentation
◆ SCIPrealarrayCreate()
SCIP_RETCODE SCIPrealarrayCreate | ( | SCIP_REALARRAY ** | realarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of real values
- Parameters
-
realarray pointer to store the real array blkmem block memory
Definition at line 3980 of file misc.c.
References BMSallocBlockMemory, NULL, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreateRealarray(), SCIPrealarrayCopy(), SCIPsolCreate(), SCIPsolCreateOriginal(), SCIPsolCreatePartial(), and SCIPsolCreateUnknown().
◆ SCIPrealarrayCopy()
SCIP_RETCODE SCIPrealarrayCopy | ( | SCIP_REALARRAY ** | realarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_REALARRAY * | sourcerealarray | ||
) |
creates a copy of a dynamic array of real values
- Parameters
-
realarray pointer to store the copied real array blkmem block memory sourcerealarray dynamic real array to copy
Definition at line 4000 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_RealArray::firstidx, SCIP_RealArray::maxusedidx, SCIP_RealArray::minusedidx, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPrealarrayCreate(), SCIP_RealArray::vals, and SCIP_RealArray::valssize.
Referenced by SCIPsolCopy().
◆ SCIPrealarrayFree()
SCIP_RETCODE SCIPrealarrayFree | ( | SCIP_REALARRAY ** | realarray | ) |
frees a dynamic array of real values
- Parameters
-
realarray pointer to the real array
Definition at line 4024 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, NULL, and SCIP_OKAY.
Referenced by SCIPfreeRealarray(), and SCIPsolFree().
◆ SCIPrealarrayExtend()
SCIP_RETCODE SCIPrealarrayExtend | ( | SCIP_REALARRAY * | realarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | minidx, | ||
int | maxidx | ||
) |
extends dynamic array to be able to store indices from minidx to maxidx
- Parameters
-
realarray dynamic real array arraygrowinit initial size of array arraygrowfac growing factor of array minidx smallest index to allocate storage for maxidx largest index to allocate storage for
Definition at line 4038 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, calcGrowSize(), SCIP_RealArray::firstidx, MAX, SCIP_RealArray::maxusedidx, SCIP_RealArray::minusedidx, NULL, SCIP_ALLOC, SCIP_OKAY, SCIP_Real, SCIPdebugMessage, and SCIP_RealArray::valssize.
Referenced by SCIPextendRealarray(), SCIPlpSumRows(), and SCIPrealarraySetVal().
◆ SCIPrealarrayClear()
SCIP_RETCODE SCIPrealarrayClear | ( | SCIP_REALARRAY * | realarray | ) |
clears a dynamic real array
- Parameters
-
realarray dynamic real array
Definition at line 4193 of file misc.c.
References BMSclearMemoryArray, SCIP_RealArray::firstidx, NULL, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearRealarray(), and SCIPlpSumRows().
◆ SCIPrealarrayGetVal()
SCIP_Real SCIPrealarrayGetVal | ( | SCIP_REALARRAY * | realarray, |
int | idx | ||
) |
gets value of entry in dynamic array
- Parameters
-
realarray dynamic real array idx array index to get value for
Definition at line 4224 of file misc.c.
References SCIP_RealArray::firstidx, SCIP_RealArray::maxusedidx, NULL, SCIP_RealArray::vals, and SCIP_RealArray::valssize.
Referenced by SCIPgetRealarrayVal(), SCIPrealarrayIncVal(), solGetArrayVal(), and solIncArrayVal().
◆ SCIPrealarraySetVal()
SCIP_RETCODE SCIPrealarraySetVal | ( | SCIP_REALARRAY * | realarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
SCIP_Real | val | ||
) |
sets value of entry in dynamic array
- Parameters
-
realarray dynamic real array arraygrowinit initial size of array arraygrowfac growing factor of array idx array index to set value for val value to set array index to
Definition at line 4245 of file misc.c.
References SCIP_RealArray::firstidx, MAX, NULL, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPrealarrayExtend().
Referenced by SCIPrealarrayIncVal(), SCIPsetRealarrayVal(), SCIPsolMarkPartial(), solIncArrayVal(), and solSetArrayVal().
◆ SCIPrealarrayIncVal()
SCIP_RETCODE SCIPrealarrayIncVal | ( | SCIP_REALARRAY * | realarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
SCIP_Real | incval | ||
) |
increases value of entry in dynamic array
- Parameters
-
realarray dynamic real array arraygrowinit initial size of array arraygrowfac growing factor of array idx array index to increase value for incval value to increase array index
Definition at line 4314 of file misc.c.
References SCIP_INVALID, SCIP_OKAY, SCIP_Real, SCIPrealarrayGetVal(), and SCIPrealarraySetVal().
Referenced by SCIPincRealarrayVal(), SCIPlpSumRows(), and solIncArrayVal().
◆ SCIPrealarrayGetMinIdx()
int SCIPrealarrayGetMinIdx | ( | SCIP_REALARRAY * | realarray | ) |
returns the minimal index of all stored non-zero elements
- Parameters
-
realarray dynamic real array
Definition at line 4332 of file misc.c.
References SCIP_RealArray::minusedidx, and NULL.
Referenced by SCIPgetRealarrayMinIdx().
◆ SCIPrealarrayGetMaxIdx()
int SCIPrealarrayGetMaxIdx | ( | SCIP_REALARRAY * | realarray | ) |
returns the maximal index of all stored non-zero elements
- Parameters
-
realarray dynamic real array
Definition at line 4342 of file misc.c.
References SCIP_RealArray::maxusedidx, and NULL.
Referenced by SCIPgetRealarrayMaxIdx().
◆ SCIPintarrayCreate()
SCIP_RETCODE SCIPintarrayCreate | ( | SCIP_INTARRAY ** | intarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of int values
- Parameters
-
intarray pointer to store the int array blkmem block memory
Definition at line 4352 of file misc.c.
References BMSallocBlockMemory, NULL, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreateIntarray(), and SCIPintarrayCopy().
◆ SCIPintarrayCopy()
SCIP_RETCODE SCIPintarrayCopy | ( | SCIP_INTARRAY ** | intarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_INTARRAY * | sourceintarray | ||
) |
creates a copy of a dynamic array of int values
- Parameters
-
intarray pointer to store the copied int array blkmem block memory sourceintarray dynamic int array to copy
Definition at line 4372 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_IntArray::firstidx, SCIP_IntArray::maxusedidx, SCIP_IntArray::minusedidx, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPintarrayCreate(), SCIP_IntArray::vals, and SCIP_IntArray::valssize.
◆ SCIPintarrayFree()
SCIP_RETCODE SCIPintarrayFree | ( | SCIP_INTARRAY ** | intarray | ) |
frees a dynamic array of int values
- Parameters
-
intarray pointer to the int array
Definition at line 4395 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, NULL, and SCIP_OKAY.
Referenced by SCIPfreeIntarray().
◆ SCIPintarrayExtend()
SCIP_RETCODE SCIPintarrayExtend | ( | SCIP_INTARRAY * | intarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | minidx, | ||
int | maxidx | ||
) |
extends dynamic array to be able to store indices from minidx to maxidx
- Parameters
-
intarray dynamic int array arraygrowinit initial size of array arraygrowfac growing factor of array minidx smallest index to allocate storage for maxidx largest index to allocate storage for
Definition at line 4409 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, calcGrowSize(), SCIP_IntArray::firstidx, MAX, SCIP_IntArray::maxusedidx, SCIP_IntArray::minusedidx, NULL, SCIP_ALLOC, SCIP_OKAY, SCIPdebugMessage, and SCIP_IntArray::valssize.
Referenced by SCIPextendIntarray(), and SCIPintarraySetVal().
◆ SCIPintarrayClear()
SCIP_RETCODE SCIPintarrayClear | ( | SCIP_INTARRAY * | intarray | ) |
clears a dynamic int array
- Parameters
-
intarray dynamic int array
Definition at line 4564 of file misc.c.
References BMSclearMemoryArray, SCIP_IntArray::firstidx, NULL, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearIntarray().
◆ SCIPintarrayGetVal()
int SCIPintarrayGetVal | ( | SCIP_INTARRAY * | intarray, |
int | idx | ||
) |
gets value of entry in dynamic array
- Parameters
-
intarray dynamic int array idx array index to get value for
Definition at line 4595 of file misc.c.
References SCIP_IntArray::firstidx, SCIP_IntArray::maxusedidx, NULL, SCIP_IntArray::vals, and SCIP_IntArray::valssize.
Referenced by SCIPgetIntarrayVal(), and SCIPintarrayIncVal().
◆ SCIPintarraySetVal()
SCIP_RETCODE SCIPintarraySetVal | ( | SCIP_INTARRAY * | intarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
int | val | ||
) |
sets value of entry in dynamic array
- Parameters
-
intarray dynamic int array arraygrowinit initial size of array arraygrowfac growing factor of array idx array index to set value for val value to set array index to
Definition at line 4616 of file misc.c.
References SCIP_IntArray::firstidx, MAX, NULL, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPintarrayExtend().
Referenced by SCIPintarrayIncVal(), and SCIPsetIntarrayVal().
◆ SCIPintarrayIncVal()
SCIP_RETCODE SCIPintarrayIncVal | ( | SCIP_INTARRAY * | intarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
int | incval | ||
) |
increases value of entry in dynamic array
- Parameters
-
intarray dynamic int array arraygrowinit initial size of array arraygrowfac growing factor of array idx array index to increase value for incval value to increase array index
Definition at line 4684 of file misc.c.
References SCIPintarrayGetVal(), and SCIPintarraySetVal().
Referenced by SCIPincIntarrayVal().
◆ SCIPintarrayGetMinIdx()
int SCIPintarrayGetMinIdx | ( | SCIP_INTARRAY * | intarray | ) |
returns the minimal index of all stored non-zero elements
- Parameters
-
intarray dynamic int array
Definition at line 4696 of file misc.c.
References SCIP_IntArray::minusedidx, and NULL.
Referenced by SCIPgetIntarrayMinIdx().
◆ SCIPintarrayGetMaxIdx()
int SCIPintarrayGetMaxIdx | ( | SCIP_INTARRAY * | intarray | ) |
returns the maximal index of all stored non-zero elements
- Parameters
-
intarray dynamic int array
Definition at line 4706 of file misc.c.
References SCIP_IntArray::maxusedidx, and NULL.
Referenced by SCIPgetIntarrayMaxIdx().
◆ SCIPboolarrayCreate()
SCIP_RETCODE SCIPboolarrayCreate | ( | SCIP_BOOLARRAY ** | boolarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of bool values
- Parameters
-
boolarray pointer to store the bool array blkmem block memory
Definition at line 4717 of file misc.c.
References BMSallocBlockMemory, NULL, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPboolarrayCopy(), SCIPcreateBoolarray(), SCIPsolCreate(), SCIPsolCreateOriginal(), SCIPsolCreatePartial(), and SCIPsolCreateUnknown().
◆ SCIPboolarrayCopy()
SCIP_RETCODE SCIPboolarrayCopy | ( | SCIP_BOOLARRAY ** | boolarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_BOOLARRAY * | sourceboolarray | ||
) |
creates a copy of a dynamic array of bool values
- Parameters
-
boolarray pointer to store the copied bool array blkmem block memory sourceboolarray dynamic bool array to copy
Definition at line 4737 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_BoolArray::firstidx, SCIP_BoolArray::maxusedidx, SCIP_BoolArray::minusedidx, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPboolarrayCreate(), SCIP_BoolArray::vals, and SCIP_BoolArray::valssize.
Referenced by SCIPsolCopy().
◆ SCIPboolarrayFree()
SCIP_RETCODE SCIPboolarrayFree | ( | SCIP_BOOLARRAY ** | boolarray | ) |
frees a dynamic array of bool values
- Parameters
-
boolarray pointer to the bool array
Definition at line 4761 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, NULL, and SCIP_OKAY.
Referenced by SCIPfreeBoolarray(), and SCIPsolFree().
◆ SCIPboolarrayExtend()
SCIP_RETCODE SCIPboolarrayExtend | ( | SCIP_BOOLARRAY * | boolarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | minidx, | ||
int | maxidx | ||
) |
extends dynamic array to be able to store indices from minidx to maxidx
- Parameters
-
boolarray dynamic bool array arraygrowinit initial size of array arraygrowfac growing factor of array minidx smallest index to allocate storage for maxidx largest index to allocate storage for
Definition at line 4775 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, BMSmoveMemoryArray, calcGrowSize(), FALSE, SCIP_BoolArray::firstidx, MAX, SCIP_BoolArray::maxusedidx, SCIP_BoolArray::minusedidx, NULL, SCIP_ALLOC, SCIP_Bool, SCIP_OKAY, SCIPdebugMessage, and SCIP_BoolArray::valssize.
Referenced by SCIPboolarraySetVal(), and SCIPextendBoolarray().
◆ SCIPboolarrayClear()
SCIP_RETCODE SCIPboolarrayClear | ( | SCIP_BOOLARRAY * | boolarray | ) |
clears a dynamic bool array
- Parameters
-
boolarray dynamic bool array
Definition at line 4932 of file misc.c.
References BMSclearMemoryArray, SCIP_BoolArray::firstidx, NULL, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearBoolarray(), and solClearArrays().
◆ SCIPboolarrayGetVal()
SCIP_Bool SCIPboolarrayGetVal | ( | SCIP_BOOLARRAY * | boolarray, |
int | idx | ||
) |
gets value of entry in dynamic array
- Parameters
-
boolarray dynamic bool array idx array index to get value for
Definition at line 4963 of file misc.c.
References FALSE, SCIP_BoolArray::firstidx, SCIP_BoolArray::maxusedidx, NULL, SCIP_BoolArray::vals, and SCIP_BoolArray::valssize.
Referenced by SCIPgetBoolarrayVal(), SCIPsolGetVal(), SCIPsolIncVal(), SCIPsolRound(), SCIPsolSetVal(), solGetArrayVal(), solIncArrayVal(), and solUnlinkVar().
◆ SCIPboolarraySetVal()
SCIP_RETCODE SCIPboolarraySetVal | ( | SCIP_BOOLARRAY * | boolarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
SCIP_Bool | val | ||
) |
sets value of entry in dynamic array
- Parameters
-
boolarray dynamic bool array arraygrowinit initial size of array arraygrowfac growing factor of array idx array index to set value for val value to set array index to
Definition at line 4984 of file misc.c.
References FALSE, SCIP_BoolArray::firstidx, MAX, NULL, SCIP_CALL, SCIP_OKAY, SCIPboolarrayExtend(), and SCIPdebugMessage.
Referenced by SCIPsetBoolarrayVal(), SCIPsolMarkPartial(), solIncArrayVal(), and solSetArrayVal().
◆ SCIPboolarrayGetMinIdx()
int SCIPboolarrayGetMinIdx | ( | SCIP_BOOLARRAY * | boolarray | ) |
returns the minimal index of all stored non-zero elements
- Parameters
-
boolarray dynamic bool array
Definition at line 5052 of file misc.c.
References SCIP_BoolArray::minusedidx, and NULL.
Referenced by SCIPgetBoolarrayMinIdx().
◆ SCIPboolarrayGetMaxIdx()
int SCIPboolarrayGetMaxIdx | ( | SCIP_BOOLARRAY * | boolarray | ) |
returns the maximal index of all stored non-zero elements
- Parameters
-
boolarray dynamic bool array
Definition at line 5062 of file misc.c.
References SCIP_BoolArray::maxusedidx, and NULL.
Referenced by SCIPgetBoolarrayMaxIdx().
◆ SCIPptrarrayCreate()
SCIP_RETCODE SCIPptrarrayCreate | ( | SCIP_PTRARRAY ** | ptrarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of pointer values
- Parameters
-
ptrarray pointer to store the ptr array blkmem block memory
Definition at line 5073 of file misc.c.
References BMSallocBlockMemory, NULL, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreatePtrarray(), and SCIPptrarrayCopy().
◆ SCIPptrarrayCopy()
SCIP_RETCODE SCIPptrarrayCopy | ( | SCIP_PTRARRAY ** | ptrarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_PTRARRAY * | sourceptrarray | ||
) |
creates a copy of a dynamic array of pointer values
- Parameters
-
ptrarray pointer to store the copied ptr array blkmem block memory sourceptrarray dynamic ptr array to copy
Definition at line 5093 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_PtrArray::firstidx, SCIP_PtrArray::maxusedidx, SCIP_PtrArray::minusedidx, NULL, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPptrarrayCreate(), SCIP_PtrArray::vals, and SCIP_PtrArray::valssize.
◆ SCIPptrarrayFree()
SCIP_RETCODE SCIPptrarrayFree | ( | SCIP_PTRARRAY ** | ptrarray | ) |
frees a dynamic array of pointer values
- Parameters
-
ptrarray pointer to the ptr array
Definition at line 5116 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, NULL, and SCIP_OKAY.
Referenced by SCIPfreePtrarray().
◆ SCIPptrarrayExtend()
SCIP_RETCODE SCIPptrarrayExtend | ( | SCIP_PTRARRAY * | ptrarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | minidx, | ||
int | maxidx | ||
) |
extends dynamic array to be able to store indices from minidx to maxidx
- Parameters
-
ptrarray dynamic ptr array arraygrowinit initial size of array arraygrowfac growing factor of array minidx smallest index to allocate storage for maxidx largest index to allocate storage for
Definition at line 5130 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, calcGrowSize(), SCIP_PtrArray::firstidx, MAX, SCIP_PtrArray::maxusedidx, SCIP_PtrArray::minusedidx, NULL, SCIP_ALLOC, SCIP_OKAY, SCIPdebugMessage, and SCIP_PtrArray::valssize.
Referenced by SCIPextendPtrarray(), and SCIPptrarraySetVal().
◆ SCIPptrarrayClear()
SCIP_RETCODE SCIPptrarrayClear | ( | SCIP_PTRARRAY * | ptrarray | ) |
clears a dynamic pointer array
- Parameters
-
ptrarray dynamic ptr array
Definition at line 5285 of file misc.c.
References BMSclearMemoryArray, SCIP_PtrArray::firstidx, NULL, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearPtrarray().
◆ SCIPptrarrayGetVal()
void* SCIPptrarrayGetVal | ( | SCIP_PTRARRAY * | ptrarray, |
int | idx | ||
) |
gets value of entry in dynamic array
- Parameters
-
ptrarray dynamic ptr array idx array index to get value for
Definition at line 5316 of file misc.c.
References SCIP_PtrArray::firstidx, SCIP_PtrArray::maxusedidx, NULL, SCIP_PtrArray::vals, and SCIP_PtrArray::valssize.
Referenced by SCIPgetPtrarrayVal().
◆ SCIPptrarraySetVal()
SCIP_RETCODE SCIPptrarraySetVal | ( | SCIP_PTRARRAY * | ptrarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
void * | val | ||
) |
sets value of entry in dynamic array
- Parameters
-
ptrarray dynamic ptr array arraygrowinit initial size of array arraygrowfac growing factor of array idx array index to set value for val value to set array index to
Definition at line 5337 of file misc.c.
References SCIP_PtrArray::firstidx, MAX, NULL, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPptrarrayExtend().
Referenced by SCIPsetPtrarrayVal().
◆ SCIPptrarrayGetMinIdx()
int SCIPptrarrayGetMinIdx | ( | SCIP_PTRARRAY * | ptrarray | ) |
returns the minimal index of all stored non-zero elements
- Parameters
-
ptrarray dynamic ptr array
Definition at line 5405 of file misc.c.
References SCIP_PtrArray::minusedidx, and NULL.
Referenced by SCIPgetPtrarrayMinIdx().
◆ SCIPptrarrayGetMaxIdx()
int SCIPptrarrayGetMaxIdx | ( | SCIP_PTRARRAY * | ptrarray | ) |
returns the maximal index of all stored non-zero elements
- Parameters
-
ptrarray dynamic ptr array
Definition at line 5415 of file misc.c.
References SCIP_PtrArray::maxusedidx, and NULL.
Referenced by SCIPgetPtrarrayMaxIdx().
◆ SCIPdisjointsetCreate()
SCIP_RETCODE SCIPdisjointsetCreate | ( | SCIP_DISJOINTSET ** | djset, |
BMS_BLKMEM * | blkmem, | ||
int | ncomponents | ||
) |
creates a disjoint set (union find) structure djset
for ncomponents
many components (of size one)
- Parameters
-
djset disjoint set (union find) data structure blkmem block memory ncomponents number of components
Definition at line 11141 of file misc.c.
References BMSallocBlockMemory, BMSallocBlockMemoryArray, NULL, SCIP_ALLOC, SCIP_OKAY, and SCIPdisjointsetClear().
Referenced by SCIPcliquetableComputeCliqueComponents(), SCIPcomputeComponentsSym(), and SCIPcreateDisjointset().
◆ SCIPdisjointsetFree()
void SCIPdisjointsetFree | ( | SCIP_DISJOINTSET ** | djset, |
BMS_BLKMEM * | blkmem | ||
) |
frees the disjoint set (union find) data structure
- Parameters
-
djset pointer to disjoint set (union find) data structure blkmem block memory
Definition at line 11259 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArray, NULL, SCIP_DisjointSet::parents, SCIP_DisjointSet::size, and SCIP_DisjointSet::sizes.
Referenced by SCIPcliquetableComputeCliqueComponents(), SCIPcliquetableFree(), SCIPcomputeComponentsSym(), and SCIPfreeDisjointset().
◆ SCIPdigraphCreate()
SCIP_RETCODE SCIPdigraphCreate | ( | SCIP_DIGRAPH ** | digraph, |
BMS_BLKMEM * | blkmem, | ||
int | nnodes | ||
) |
SCIP digraph functions
internal digraph functions (see Directed Graph for public digraph methods)creates directed graph structure
creates directed graph structure
- Parameters
-
digraph pointer to store the created directed graph blkmem block memory to store the data nnodes number of nodes
Definition at line 7289 of file misc.c.
References BMSallocBlockMemory, BMSallocClearBlockMemoryArray, FALSE, nnodes, NULL, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreateDigraph().
◆ SCIPdigraphCopy()
SCIP_RETCODE SCIPdigraphCopy | ( | SCIP_DIGRAPH ** | targetdigraph, |
SCIP_DIGRAPH * | sourcedigraph, | ||
BMS_BLKMEM * | targetblkmem | ||
) |
copies directed graph structure
- Note
- The data in nodedata is copied verbatim. This possibly has to be adapted by the user.
- Parameters
-
targetdigraph pointer to store the copied directed graph sourcedigraph source directed graph targetblkmem block memory to store the target block memory, or NULL to use the same the same block memory as used for the sourcedigraph
Definition at line 7366 of file misc.c.
References SCIP_Digraph::arcdata, SCIP_Digraph::articulations, SCIP_Digraph::articulationscheck, SCIP_Digraph::blkmem, BMSallocBlockMemory, BMSallocClearBlockMemoryArray, BMSduplicateBlockMemoryArray, SCIP_Digraph::components, SCIP_Digraph::componentstarts, FALSE, SCIP_Digraph::narticulations, SCIP_Digraph::ncomponents, nnodes, SCIP_Digraph::nnodes, SCIP_Digraph::nodedata, SCIP_Digraph::nsuccessors, NULL, SCIP_ALLOC, SCIP_Bool, SCIP_OKAY, SCIP_Digraph::successors, and TRUE.
Referenced by SCIPcopyDigraph().
◆ SCIPnegateReal()
negates a number
negation of a number that can be used to avoid that a negation is optimized away by a compiler
negates a number
- Parameters
-
x value to negate
Definition at line 10269 of file misc.c.
References x.
Referenced by negate(), and SCIPintervalEntropy().
◆ SCIPrandomCreate()
SCIP_RETCODE SCIPrandomCreate | ( | SCIP_RANDNUMGEN ** | randnumgen, |
BMS_BLKMEM * | blkmem, | ||
unsigned int | initialseed | ||
) |
internal random number generator methods
see Random Numbers for public random number generator methodscreates and initializes a random number generator
creates and initializes a random number generator
- Parameters
-
randnumgen random number generator blkmem block memory initialseed initial random seed
Definition at line 9987 of file misc.c.
References BMSallocBlockMemory, NULL, SCIP_ALLOC, SCIP_OKAY, and SCIPrandomSetSeed().
Referenced by SCIPbanditCreate(), SCIPcreateRandom(), SCIPdivesetCreate(), SCIPreoptCreate(), and SCIPsepastoreCreate().
◆ SCIPrandomFree()
void SCIPrandomFree | ( | SCIP_RANDNUMGEN ** | randnumgen, |
BMS_BLKMEM * | blkmem | ||
) |
frees a random number generator
- Parameters
-
randnumgen random number generator blkmem block memory
Definition at line 10003 of file misc.c.
References BMSfreeBlockMemory, and NULL.
Referenced by divesetFree(), SCIPbanditFree(), SCIPfreeRandom(), SCIPreoptFree(), and SCIPsepastoreFree().
◆ SCIPrandomSetSeed()
void SCIPrandomSetSeed | ( | SCIP_RANDNUMGEN * | randnumgen, |
unsigned int | initseed | ||
) |
initializes a random number generator with a given start seed
- Parameters
-
randnumgen random number generator initseed initial random seed
Definition at line 9933 of file misc.c.
References SCIP_RandNumGen::cst_seed, DEFAULT_CST, DEFAULT_MWC, DEFAULT_SEED, DEFAULT_XOR, MAX, SCIP_RandNumGen::mwc_seed, NULL, SCIPhashTwo, SCIP_RandNumGen::seed, and SCIP_RandNumGen::xor_seed.
Referenced by SCIPbanditReset(), SCIPdivesetReset(), SCIPrandomCreate(), and SCIPsetRandomSeed().