def ub(self, ub):
if self.equality.any():
raise ValueError("The ub array can not be set "
"when there are indices of the "
"equality array that are True")
if ub is None:
ub = numpy.inf
if isinstance(ub, numpy.ndarray):
numpy.copyto(self._ub, ub)
elif isinstance(ub, NumericValue):
raise ValueError("ub must be set to "
"a simple numeric type "
"or a numpy array")
else:
self._ub.fill(ub)
def lb(self, lb):
if self.equality.any():
raise ValueError("The lb array can not be set "
"when there are indices of the "
"equality array that are True")
if lb is None:
lb = -numpy.inf
if isinstance(lb, numpy.ndarray):
numpy.copyto(self._lb, lb)
elif isinstance(lb, NumericValue):
raise ValueError("lb must be set to "
"a simple numeric type "
"or a numpy array")
else:
self._lb.fill(lb)
def rhs(self, rhs):
if rhs is None:
# None has a different meaning depending on the
# context (lb or ub), so there is no way to
# interpret this
raise ValueError("Constraint right-hand side can not "
"be assigned a value of None.")
elif isinstance(rhs, NumericValue):
raise ValueError("rhs must be set to "
"a simple numeric type "
"or a numpy array")
elif isinstance(rhs, numpy.ndarray):
numpy.copyto(self._lb, rhs)
numpy.copyto(self._ub, rhs)
else:
self._lb.fill(rhs)
self._ub.fill(rhs)
self._equality.fill(True)