Implementation of depth-first branch-and-bound search engine. More...
#include <bab.hh>
Public Member Functions | |
BAB (Space *s, const Options &o) | |
Initialize with space s and search options o. More... | |
Space * | next (void) |
Search for next better solution More... | |
Statistics | statistics (void) const |
Return statistics. More... | |
void | reset (Space *s) |
Reset engine to restart at space s. More... | |
NoGoods & | nogoods (void) |
Return no-goods. More... | |
~BAB (void) | |
Destructor. More... | |
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Worker (void) | |
Initialize. More... | |
void | start (void) |
Reset stop information. More... | |
bool | stop (const Options &o) |
Check whether engine must be stopped. More... | |
bool | stopped (void) const |
Check whether engine has been stopped. More... | |
void | reset (unsigned long int d=0) |
Reset statistics with root depth d. More... | |
void | stack_depth (unsigned long int d) |
Record stack depth d. More... | |
unsigned long int | steal_depth (unsigned long int d) const |
Return steal depth. More... | |
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Statistics (void) | |
Initialize. More... | |
void | reset (void) |
Reset. More... | |
Statistics | operator+ (const Statistics &s) |
Return sum with s. More... | |
Statistics & | operator+= (const Statistics &s) |
Increment by statistics s. More... | |
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StatusStatistics (void) | |
Initialize. More... | |
void | reset (void) |
Reset information. More... | |
StatusStatistics | operator+ (const StatusStatistics &s) |
Return sum with s. More... | |
StatusStatistics & | operator+= (const StatusStatistics &s) |
Increment by statistics s. More... | |
Additional Inherited Members | |
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unsigned long int | fail |
Number of failed nodes in search tree. More... | |
unsigned long int | node |
Number of nodes expanded. More... | |
unsigned long int | depth |
Maximum depth of search stack. More... | |
unsigned long int | restart |
Number of restarts. More... | |
unsigned long int | nogood |
Number of no-goods posted. More... | |
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unsigned long int | propagate |
Number of propagator executions. More... | |
bool | wmp |
Whether a weakly monotonic propagator might have been executed. More... | |
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bool | _stopped |
Whether engine has been stopped. More... | |
unsigned long int | root_depth |
Depth of root node (for work stealing) More... | |
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