Pyscipopt

Added
- Add getConshdlrName to class Constraint
- Added all event types and tests for checking them
- Added SCIP functions SCIPconsGetNVars, SCIPconsGetVars
- Added SCIP functions SCIPchgCoefLinear, SCIPaddCoefLinear and SCIPdelCoefLinear
- Added SCIP function SCIPgetSolTime and wrapper getSolTime
- Added convenience methods relax and getVarDict
- Added SCIP functions hasPrimalRay, getPrimalRay, getPrimalRayVal
Fixed
- Fixed mistake with outdated values for several enums
- Correctly set result, lowerbound in PyRelaxExec
- Fixed typo in documentation of chgRhs
- Pricer plugin fundamental callbacks now raise an error if not implemented
- Brachrule plugin fundamental callbacks now raise an error if not implemented
- Fixed segmentation fault when accessing the Solution class directly
- Changed getSols so that it prints solutions in terms of the original variables
- Fixed error message in _checkStage
Changed
- Made it so SCIP macros are used directly, instead of being manually inputted.
- Improved error message when using < or > instead of <= or >=
Removed
- Removed double declaration of SCIPfindEventhdlr

Added
- Add SCIP function SCIprowGetOriginCons
- Add getConsOriginConshdlrtype to Row
- Add possibility to use sine and cosing
- Add ability to set priced variable score

Fixed
Changed
Removed
- Removed function rowGetNNonz

Added
- Interface to include custom reader plugins
- New test for reader plugin
Fixed
- revert change from 543 to fix 570 (closing file descriptors)
- use correct offset value when updating the objective function
Changed
Removed

Added
- Interface to include custom cut selector plugins
- New test for cut selector plugin
- Add SCIP function SCIPgetCutLPSolCutoffDistance and wrapper getCutLPSolCutoffDistance
- Add SCIP function SCIPprintBestTransSol and wrapper writeBestTransSol
- Add SCIP function SCIPprintTransSol and wrapper writeTransSol
- Add SCIP function SCIPgetRowNumIntCols and wrapper getRowNumIntCols
- Add SCIP function SCIProwGetNNonz and wrapper rowGetNNonz
- Add SCIP function SCIPgetRowObjParallelism and wrapper getRowObjParallelism
- Add SCIP function SCIPgetNSepaRounds and wrapper getNSepaRounds
- Add SCIP function SCIPgetRowLinear and wrapper getRowLinear
- Add SCIP function SCIProwIsInGlobalCutpool and wrapper isInGlobalCutpool
- Add SCIP function SCIProwGetParallelism and wrapper getRowParallelism
- Add getObjCoeff call to Column
- Add isLocal call to Row
- Add getNorm call to Row
- Add getRowDualSol to Row
- Add getDualSolVal to Model
- added activeone parameter of addConsIndicator() allows to activate the constraint if the binary (indicator) variable is 1 or 0.
- added function getSlackVarIndicator(), returns the slack variable of the indicator constraint.
Fixed
- cmake / make install works from build directory
Changed
Removed

Added
- many functions regarding the new cons expression logic and implementation
Fixed
- fixed tests and github actions to fit the new SCIP version.
Changed
- SCIP8 changes the way nonlinear constraints are handled inside SCIP. These changes have consequences for their respective PySCIPOpt wrappers and have changed regardingly. Please refer to the latest SCIP report for an in-depth explanation of these changes.
- small changes to the documentation.
Removed
- some of the deprecated functions that could not be made backwards compatible

Added
Fixed
- close file descriptors after file operation is finished
- fixed deletion of variable pointer from model when calling delVar
- fixed scip install for MAC integration test
- Fixing assert failure if scip is compiled using quadprecision
- fixed missing GIL by AntoinePrv in 539
Changed
- changed integration test to include scip TPI (tinycthreads)
Removed
- removed Mac integration test until the segmentation fault in test_memory.py is fixed on Mac