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Add ability to set priced variable score #623

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merged 2 commits into from
Nov 6, 2022
Merged

Add ability to set priced variable score #623

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42d14da
Add ability to set priced variable score
mmghannam Nov 6, 2022
971a043
Update CHANGELOG (priced variable score)
mmghannam Nov 6, 2022
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5 changes: 3 additions & 2 deletions src/pyscipopt/scip.pyx
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Original file line number Diff line number Diff line change
Expand Up @@ -1415,7 +1415,7 @@ cdef class Model:

# Variable Functions

def addVar(self, name='', vtype='C', lb=0.0, ub=None, obj=0.0, pricedVar = False):
def addVar(self, name='', vtype='C', lb=0.0, ub=None, obj=0.0, pricedVar=False, pricedVarScore=1.0):
"""Create a new variable. Default variable is non-negative and continuous.

:param name: name of the variable, generic if empty (Default value = '')
Expand All @@ -1425,6 +1425,7 @@ cdef class Model:
:param ub: upper bound of the variable, use None for +infinity (Default value = None)
:param obj: objective value of variable (Default value = 0.0)
:param pricedVar: is the variable a pricing candidate? (Default value = False)
:param pricedVarScore: score of variable in case it is priced, the higher the better (Default value = 1.0)

"""
cdef SCIP_VAR* scip_var
Expand Down Expand Up @@ -1457,7 +1458,7 @@ cdef class Model:
raise Warning("unrecognized variable type")

if pricedVar:
PY_SCIP_CALL(SCIPaddPricedVar(self._scip, scip_var, 1.0))
PY_SCIP_CALL(SCIPaddPricedVar(self._scip, scip_var, pricedVarScore))
else:
PY_SCIP_CALL(SCIPaddVar(self._scip, scip_var))

Expand Down