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.
SCIP_RETCODE SCIPrealarrayCreate | ( | SCIP_REALARRAY ** | realarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of real values
realarray | pointer to store the real array |
blkmem | block memory |
Definition at line 3611 of file misc.c.
References BMSallocBlockMemory, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreateRealarray(), SCIPrealarrayCopy(), SCIPsolCreate(), SCIPsolCreateOriginal(), SCIPsolCreatePartial(), and SCIPsolCreateUnknown().
SCIP_RETCODE SCIPrealarrayCopy | ( | SCIP_REALARRAY ** | realarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_REALARRAY * | sourcerealarray | ||
) |
creates a copy of a dynamic array of real values
realarray | pointer to store the copied real array |
blkmem | block memory |
sourcerealarray | dynamic real array to copy |
Definition at line 3631 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_RealArray::firstidx, SCIP_RealArray::maxusedidx, SCIP_RealArray::minusedidx, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPrealarrayCreate(), SCIP_RealArray::vals, and SCIP_RealArray::valssize.
Referenced by SCIPsolCopy().
SCIP_RETCODE SCIPrealarrayFree | ( | SCIP_REALARRAY ** | realarray | ) |
frees a dynamic array of real values
realarray | pointer to the real array |
Definition at line 3655 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, and SCIP_OKAY.
Referenced by SCIPfreeRealarray(), and SCIPsolFree().
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
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 3669 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, calcGrowSize(), SCIP_RealArray::firstidx, MAX, SCIP_RealArray::maxusedidx, SCIP_RealArray::minusedidx, SCIP_ALLOC, SCIP_OKAY, SCIP_Real, SCIPdebugMessage, and SCIP_RealArray::valssize.
Referenced by SCIPextendRealarray(), SCIPlpSumRows(), and SCIPrealarraySetVal().
SCIP_RETCODE SCIPrealarrayClear | ( | SCIP_REALARRAY * | realarray | ) |
clears a dynamic real array
realarray | dynamic real array |
Definition at line 3824 of file misc.c.
References BMSclearMemoryArray, SCIP_RealArray::firstidx, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearRealarray(), and SCIPlpSumRows().
SCIP_Real SCIPrealarrayGetVal | ( | SCIP_REALARRAY * | realarray, |
int | idx | ||
) |
gets value of entry in dynamic array
realarray | dynamic real array |
idx | array index to get value for |
Definition at line 3855 of file misc.c.
References SCIP_RealArray::firstidx, SCIP_RealArray::maxusedidx, SCIP_RealArray::vals, and SCIP_RealArray::valssize.
Referenced by SCIPgetRealarrayVal(), SCIPrealarrayIncVal(), solGetArrayVal(), and solIncArrayVal().
SCIP_RETCODE SCIPrealarraySetVal | ( | SCIP_REALARRAY * | realarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
SCIP_Real | val | ||
) |
sets value of entry in dynamic array
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 3876 of file misc.c.
References SCIP_RealArray::firstidx, MAX, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPrealarrayExtend().
Referenced by SCIPrealarrayIncVal(), SCIPsetRealarrayVal(), SCIPsolMarkPartial(), solIncArrayVal(), and solSetArrayVal().
SCIP_RETCODE SCIPrealarrayIncVal | ( | SCIP_REALARRAY * | realarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
SCIP_Real | incval | ||
) |
increases value of entry in dynamic array
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 3945 of file misc.c.
References SCIP_INVALID, SCIP_OKAY, SCIP_Real, SCIPrealarrayGetVal(), and SCIPrealarraySetVal().
Referenced by SCIPincRealarrayVal(), SCIPlpSumRows(), and solIncArrayVal().
int SCIPrealarrayGetMinIdx | ( | SCIP_REALARRAY * | realarray | ) |
returns the minimal index of all stored non-zero elements
realarray | dynamic real array |
Definition at line 3963 of file misc.c.
References SCIP_RealArray::minusedidx.
Referenced by SCIPgetRealarrayMinIdx().
int SCIPrealarrayGetMaxIdx | ( | SCIP_REALARRAY * | realarray | ) |
returns the maximal index of all stored non-zero elements
realarray | dynamic real array |
Definition at line 3973 of file misc.c.
References SCIP_RealArray::maxusedidx.
Referenced by SCIPgetRealarrayMaxIdx().
SCIP_RETCODE SCIPintarrayCreate | ( | SCIP_INTARRAY ** | intarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of int values
intarray | pointer to store the int array |
blkmem | block memory |
Definition at line 3983 of file misc.c.
References BMSallocBlockMemory, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreateIntarray(), and SCIPintarrayCopy().
SCIP_RETCODE SCIPintarrayCopy | ( | SCIP_INTARRAY ** | intarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_INTARRAY * | sourceintarray | ||
) |
creates a copy of a dynamic array of int values
intarray | pointer to store the copied int array |
blkmem | block memory |
sourceintarray | dynamic int array to copy |
Definition at line 4003 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_IntArray::firstidx, SCIP_IntArray::maxusedidx, SCIP_IntArray::minusedidx, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPintarrayCreate(), SCIP_IntArray::vals, and SCIP_IntArray::valssize.
SCIP_RETCODE SCIPintarrayFree | ( | SCIP_INTARRAY ** | intarray | ) |
frees a dynamic array of int values
intarray | pointer to the int array |
Definition at line 4026 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, and SCIP_OKAY.
Referenced by SCIPfreeIntarray().
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
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 4040 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, calcGrowSize(), SCIP_IntArray::firstidx, MAX, SCIP_IntArray::maxusedidx, SCIP_IntArray::minusedidx, SCIP_ALLOC, SCIP_OKAY, SCIPdebugMessage, and SCIP_IntArray::valssize.
Referenced by SCIPextendIntarray(), and SCIPintarraySetVal().
SCIP_RETCODE SCIPintarrayClear | ( | SCIP_INTARRAY * | intarray | ) |
clears a dynamic int array
intarray | dynamic int array |
Definition at line 4195 of file misc.c.
References BMSclearMemoryArray, SCIP_IntArray::firstidx, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearIntarray().
int SCIPintarrayGetVal | ( | SCIP_INTARRAY * | intarray, |
int | idx | ||
) |
gets value of entry in dynamic array
intarray | dynamic int array |
idx | array index to get value for |
Definition at line 4226 of file misc.c.
References SCIP_IntArray::firstidx, SCIP_IntArray::maxusedidx, SCIP_IntArray::vals, and SCIP_IntArray::valssize.
Referenced by SCIPgetIntarrayVal(), and SCIPintarrayIncVal().
SCIP_RETCODE SCIPintarraySetVal | ( | SCIP_INTARRAY * | intarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
int | val | ||
) |
sets value of entry in dynamic array
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 4247 of file misc.c.
References SCIP_IntArray::firstidx, MAX, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPintarrayExtend().
Referenced by SCIPintarrayIncVal(), and SCIPsetIntarrayVal().
SCIP_RETCODE SCIPintarrayIncVal | ( | SCIP_INTARRAY * | intarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
int | incval | ||
) |
increases value of entry in dynamic array
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 4315 of file misc.c.
References SCIPintarrayGetVal(), and SCIPintarraySetVal().
Referenced by SCIPincIntarrayVal().
int SCIPintarrayGetMinIdx | ( | SCIP_INTARRAY * | intarray | ) |
returns the minimal index of all stored non-zero elements
intarray | dynamic int array |
Definition at line 4327 of file misc.c.
References SCIP_IntArray::minusedidx.
Referenced by SCIPgetIntarrayMinIdx().
int SCIPintarrayGetMaxIdx | ( | SCIP_INTARRAY * | intarray | ) |
returns the maximal index of all stored non-zero elements
intarray | dynamic int array |
Definition at line 4337 of file misc.c.
References SCIP_IntArray::maxusedidx.
Referenced by SCIPgetIntarrayMaxIdx().
SCIP_RETCODE SCIPboolarrayCreate | ( | SCIP_BOOLARRAY ** | boolarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of bool values
boolarray | pointer to store the bool array |
blkmem | block memory |
Definition at line 4348 of file misc.c.
References BMSallocBlockMemory, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPboolarrayCopy(), SCIPcreateBoolarray(), SCIPsolCreate(), SCIPsolCreateOriginal(), SCIPsolCreatePartial(), and SCIPsolCreateUnknown().
SCIP_RETCODE SCIPboolarrayCopy | ( | SCIP_BOOLARRAY ** | boolarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_BOOLARRAY * | sourceboolarray | ||
) |
creates a copy of a dynamic array of bool values
boolarray | pointer to store the copied bool array |
blkmem | block memory |
sourceboolarray | dynamic bool array to copy |
Definition at line 4368 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_BoolArray::firstidx, SCIP_BoolArray::maxusedidx, SCIP_BoolArray::minusedidx, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPboolarrayCreate(), SCIP_BoolArray::vals, and SCIP_BoolArray::valssize.
Referenced by SCIPsolCopy().
SCIP_RETCODE SCIPboolarrayFree | ( | SCIP_BOOLARRAY ** | boolarray | ) |
frees a dynamic array of bool values
boolarray | pointer to the bool array |
Definition at line 4392 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, and SCIP_OKAY.
Referenced by SCIPfreeBoolarray(), and SCIPsolFree().
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
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 4406 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, BMSmoveMemoryArray, calcGrowSize(), FALSE, SCIP_BoolArray::firstidx, MAX, SCIP_BoolArray::maxusedidx, SCIP_BoolArray::minusedidx, SCIP_ALLOC, SCIP_Bool, SCIP_OKAY, SCIPdebugMessage, and SCIP_BoolArray::valssize.
Referenced by SCIPboolarraySetVal(), and SCIPextendBoolarray().
SCIP_RETCODE SCIPboolarrayClear | ( | SCIP_BOOLARRAY * | boolarray | ) |
clears a dynamic bool array
boolarray | dynamic bool array |
Definition at line 4563 of file misc.c.
References BMSclearMemoryArray, SCIP_BoolArray::firstidx, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearBoolarray(), and solClearArrays().
SCIP_Bool SCIPboolarrayGetVal | ( | SCIP_BOOLARRAY * | boolarray, |
int | idx | ||
) |
gets value of entry in dynamic array
boolarray | dynamic bool array |
idx | array index to get value for |
Definition at line 4594 of file misc.c.
References FALSE, SCIP_BoolArray::firstidx, SCIP_BoolArray::maxusedidx, SCIP_BoolArray::vals, and SCIP_BoolArray::valssize.
Referenced by SCIPgetBoolarrayVal(), SCIPsolGetVal(), SCIPsolIncVal(), SCIPsolRound(), SCIPsolSetVal(), solGetArrayVal(), solIncArrayVal(), and solUnlinkVar().
SCIP_RETCODE SCIPboolarraySetVal | ( | SCIP_BOOLARRAY * | boolarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
SCIP_Bool | val | ||
) |
sets value of entry in dynamic array
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 4615 of file misc.c.
References FALSE, SCIP_BoolArray::firstidx, MAX, SCIP_CALL, SCIP_OKAY, SCIPboolarrayExtend(), and SCIPdebugMessage.
Referenced by SCIPsetBoolarrayVal(), SCIPsolMarkPartial(), solIncArrayVal(), and solSetArrayVal().
int SCIPboolarrayGetMinIdx | ( | SCIP_BOOLARRAY * | boolarray | ) |
returns the minimal index of all stored non-zero elements
boolarray | dynamic bool array |
Definition at line 4683 of file misc.c.
References SCIP_BoolArray::minusedidx.
Referenced by SCIPgetBoolarrayMinIdx().
int SCIPboolarrayGetMaxIdx | ( | SCIP_BOOLARRAY * | boolarray | ) |
returns the maximal index of all stored non-zero elements
boolarray | dynamic bool array |
Definition at line 4693 of file misc.c.
References SCIP_BoolArray::maxusedidx.
Referenced by SCIPgetBoolarrayMaxIdx().
SCIP_RETCODE SCIPptrarrayCreate | ( | SCIP_PTRARRAY ** | ptrarray, |
BMS_BLKMEM * | blkmem | ||
) |
creates a dynamic array of pointer values
ptrarray | pointer to store the ptr array |
blkmem | block memory |
Definition at line 4704 of file misc.c.
References BMSallocBlockMemory, SCIP_ALLOC, and SCIP_OKAY.
Referenced by SCIPcreatePtrarray(), and SCIPptrarrayCopy().
SCIP_RETCODE SCIPptrarrayCopy | ( | SCIP_PTRARRAY ** | ptrarray, |
BMS_BLKMEM * | blkmem, | ||
SCIP_PTRARRAY * | sourceptrarray | ||
) |
creates a copy of a dynamic array of pointer values
ptrarray | pointer to store the copied ptr array |
blkmem | block memory |
sourceptrarray | dynamic ptr array to copy |
Definition at line 4724 of file misc.c.
References BMSduplicateBlockMemoryArray, SCIP_PtrArray::firstidx, SCIP_PtrArray::maxusedidx, SCIP_PtrArray::minusedidx, SCIP_ALLOC, SCIP_CALL, SCIP_OKAY, SCIPptrarrayCreate(), SCIP_PtrArray::vals, and SCIP_PtrArray::valssize.
SCIP_RETCODE SCIPptrarrayFree | ( | SCIP_PTRARRAY ** | ptrarray | ) |
frees a dynamic array of pointer values
ptrarray | pointer to the ptr array |
Definition at line 4747 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArrayNull, and SCIP_OKAY.
Referenced by SCIPfreePtrarray().
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
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 4761 of file misc.c.
References BMSallocBlockMemoryArray, BMScopyMemoryArray, BMSfreeBlockMemoryArrayNull, calcGrowSize(), SCIP_PtrArray::firstidx, MAX, SCIP_PtrArray::maxusedidx, SCIP_PtrArray::minusedidx, SCIP_ALLOC, SCIP_OKAY, SCIPdebugMessage, and SCIP_PtrArray::valssize.
Referenced by SCIPextendPtrarray(), and SCIPptrarraySetVal().
SCIP_RETCODE SCIPptrarrayClear | ( | SCIP_PTRARRAY * | ptrarray | ) |
clears a dynamic pointer array
ptrarray | dynamic ptr array |
Definition at line 4916 of file misc.c.
References BMSclearMemoryArray, SCIP_PtrArray::firstidx, SCIP_OKAY, and SCIPdebugMessage.
Referenced by SCIPclearPtrarray().
void* SCIPptrarrayGetVal | ( | SCIP_PTRARRAY * | ptrarray, |
int | idx | ||
) |
gets value of entry in dynamic array
ptrarray | dynamic ptr array |
idx | array index to get value for |
Definition at line 4947 of file misc.c.
References SCIP_PtrArray::firstidx, SCIP_PtrArray::maxusedidx, SCIP_PtrArray::vals, and SCIP_PtrArray::valssize.
Referenced by SCIPgetPtrarrayVal().
SCIP_RETCODE SCIPptrarraySetVal | ( | SCIP_PTRARRAY * | ptrarray, |
int | arraygrowinit, | ||
SCIP_Real | arraygrowfac, | ||
int | idx, | ||
void * | val | ||
) |
sets value of entry in dynamic array
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 4968 of file misc.c.
References SCIP_PtrArray::firstidx, MAX, SCIP_CALL, SCIP_OKAY, SCIPdebugMessage, and SCIPptrarrayExtend().
Referenced by SCIPsetPtrarrayVal().
int SCIPptrarrayGetMinIdx | ( | SCIP_PTRARRAY * | ptrarray | ) |
returns the minimal index of all stored non-zero elements
ptrarray | dynamic ptr array |
Definition at line 5036 of file misc.c.
References SCIP_PtrArray::minusedidx.
Referenced by SCIPgetPtrarrayMinIdx().
int SCIPptrarrayGetMaxIdx | ( | SCIP_PTRARRAY * | ptrarray | ) |
returns the maximal index of all stored non-zero elements
ptrarray | dynamic ptr array |
Definition at line 5046 of file misc.c.
References SCIP_PtrArray::maxusedidx.
Referenced by SCIPgetPtrarrayMaxIdx().
SCIP_RETCODE SCIPdisjointsetCreate | ( | SCIP_DISJOINTSET ** | djset, |
BMS_BLKMEM * | blkmem, | ||
int | ncomponents | ||
) |
creates a disjoint set (union find) structure uf
for ncomponents
many components (of size one)
djset | disjoint set (union find) data structure |
blkmem | block memory |
ncomponents | number of components |
Definition at line 10336 of file misc.c.
References BMSallocBlockMemory, BMSallocBlockMemoryArray, SCIP_ALLOC, SCIP_OKAY, and SCIPdisjointsetClear().
Referenced by computeComponents(), SCIPcliquetableComputeCliqueComponents(), and SCIPcreateDisjointset().
void SCIPdisjointsetFree | ( | SCIP_DISJOINTSET ** | djset, |
BMS_BLKMEM * | blkmem | ||
) |
frees the disjoint set (union find) data structure
djset | pointer to disjoint set (union find) data structure |
blkmem | block memory |
Definition at line 10455 of file misc.c.
References BMSfreeBlockMemory, BMSfreeBlockMemoryArray, SCIP_DisjointSet::parents, SCIP_DisjointSet::size, and SCIP_DisjointSet::sizes.
Referenced by computeComponents(), SCIPcliquetableComputeCliqueComponents(), SCIPcliquetableFree(), and SCIPfreeDisjointset().
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
digraph | pointer to store the created directed graph |
blkmem | block memory to store the data |
nnodes | number of nodes |
Definition at line 6894 of file misc.c.
References BMSallocBlockMemory, BMSallocClearBlockMemoryArray, nnodes, SCIP_ALLOC, and SCIP_OKAY.
Referenced by addBranchingComplementaritiesSOS1(), enforceConflictgraph(), initConflictgraph(), initImplGraphSOS1(), and SCIPcreateDigraph().
SCIP_RETCODE SCIPdigraphCopy | ( | SCIP_DIGRAPH ** | targetdigraph, |
SCIP_DIGRAPH * | sourcedigraph, | ||
BMS_BLKMEM * | targetblkmem | ||
) |
copies directed graph structure
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 6966 of file misc.c.
References SCIP_Digraph::arcdata, SCIP_Digraph::blkmem, BMSallocBlockMemory, BMSallocClearBlockMemoryArray, BMSduplicateBlockMemoryArray, SCIP_Digraph::components, SCIP_Digraph::componentstarts, SCIP_Digraph::ncomponents, nnodes, SCIP_Digraph::nnodes, SCIP_Digraph::nodedata, SCIP_Digraph::nsuccessors, SCIP_ALLOC, SCIP_OKAY, and SCIP_Digraph::successors.
Referenced by SCIPcopyDigraph().
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
randnumgen | random number generator |
blkmem | block memory |
initialseed | initial random seed |
Definition at line 9334 of file misc.c.
References BMSallocBlockMemory, SCIP_ALLOC, SCIP_OKAY, and SCIPrandomSetSeed().
Referenced by SCIP_DECL_NLPICREATEPROBLEM(), SCIP_NlpiProblem::SCIP_NlpiProblem(), SCIPbanditCreate(), SCIPcreateRandom(), SCIPdivesetCreate(), SCIPexprgraphSimplify(), SCIPexprtreeSimplify(), SCIPreoptCreate(), and setupStart().
void SCIPrandomFree | ( | SCIP_RANDNUMGEN ** | randnumgen, |
BMS_BLKMEM * | blkmem | ||
) |
frees a random number generator
randnumgen | random number generator |
blkmem | block memory |
Definition at line 9350 of file misc.c.
References BMSfreeBlockMemory.
Referenced by divesetFree(), SCIP_DECL_NLPIFREE(), SCIP_DECL_NLPIFREEPROBLEM(), SCIP_NlpiProblem::SCIP_NlpiProblem(), SCIPbanditFree(), SCIPexprgraphSimplify(), SCIPexprtreeSimplify(), SCIPfreeRandom(), and SCIPreoptFree().
void SCIPrandomSetSeed | ( | SCIP_RANDNUMGEN * | randnumgen, |
unsigned int | initseed | ||
) |
initializes a random number generator with a given start seed
randnumgen | random number generator |
initseed | initial random seed |
Definition at line 9280 of file misc.c.
References SCIP_RandNumGen::cst_seed, DEFAULT_CST, DEFAULT_MWC, DEFAULT_SEED, DEFAULT_XOR, MAX, SCIP_RandNumGen::mwc_seed, SCIPhashTwo, SCIP_RandNumGen::seed, and SCIP_RandNumGen::xor_seed.
Referenced by SCIPbanditReset(), SCIPdivesetReset(), SCIPrandomCreate(), and SCIPsetRandomSeed().