def _clear_cache(self):
LowPoly._clear_cache(self)
try:
del self._set_function
except AttributeError:
pass
try:
del self._mobius
except AttributeError:
pass
def _clear_cache(self):
LowPoly._clear_cache(self)
try:
del self._set_function
except AttributeError:
pass
try:
del self._mobius
except AttributeError:
pass
def extend(self, keys=None, lower=True, upper=False, algorithm='linprog'):
LowPoly.extend(self, keys, lower, upper, algorithm)
def _make_value(self, value):
lprev, uprev = LowPoly._make_value(self, value)
if uprev is not None:
raise ValueError('cannot specify upper prevision')
return lprev, uprev
def _make_key(self, key):
gamble, event = LowPoly._make_key(self, key)
if not event.is_true():
raise ValueError('not unconditional')
return gamble, event
def extend(self, keys=None, lower=True, upper=False, algorithm='linprog'):
LowPoly.extend(self, keys, lower, upper, algorithm)
def _make_value(self, value):
lprev, uprev = LowPoly._make_value(self, value)
if uprev is not None:
raise ValueError('cannot specify upper prevision')
return lprev, uprev
def _make_key(self, key):
gamble, event = LowPoly._make_key(self, key)
if not event.is_true():
raise ValueError('not unconditional')
return gamble, event
def _make_value(self, value):
lprev, uprev = LowPoly._make_value(self, value)
if self.number_cmp(lprev, uprev) != 0:
raise ValueError('can only specify precise prevision')
return lprev, uprev
def _make_value(self, value):
lprev, uprev = LowPoly._make_value(self, value)
if self.number_cmp(lprev, uprev) != 0:
raise ValueError('can only specify precise prevision')
return lprev, uprev