def __init__(self, settings=None):
self._str = str
self._settings = self._default_settings.copy()
if settings is not None:
self._settings.update(settings)
if len(self._settings) > len(self._default_settings):
for key in self._settings:
if key not in self._default_settings:
raise TypeError("Unknown setting '%s'." % key)
# _print_level is the number of times self._print() was recursively
# called. See StrPrinter._print_Real() for an example of usage
self._print_level = 0
# configure ordering of terms in Add (e.g. lexicographic ordering)
if self._settings["order"] is not None:
order = self._settings["order"]
if order.startswith('rev-'):
self.order = monomial_cmp(order[4:])
self.reverse = True
else:
self.order = monomial_cmp(order)
self.reverse = False
else:
self.order = None
self.reverse = False
def __init__(self, order=None):
self._str = str
if not hasattr(self, "printmethod"):
self.printmethod = None
if not hasattr(self, "emptyPrinter"):
self.emptyPrinter = str
# _print_level is the number of times self._print() was recursively
# called. See StrPrinter._print_Real() for an example of usage
self._print_level = 0
# configure ordering of terms in Add (e.g. lexicographic ordering)
if order is not None:
if order.startswith('rev-'):
self.order = monomial_cmp(order[4:])
self.reverse = True
else:
self.order = monomial_cmp(order)
self.reverse = False
else:
self.order = None
self.reverse = False
def test_monomial_cmp():
assert monomial_cmp('lex') == monomial_lex_cmp
assert monomial_cmp('grlex') == monomial_grlex_cmp
assert monomial_cmp('grevlex') == monomial_grevlex_cmp
raises(ValueError, "monomial_cmp('unknown')")
def test_monomial_cmp():
assert monomial_cmp('lex') == monomial_lex_cmp
assert monomial_cmp('grlex') == monomial_grlex_cmp
assert monomial_cmp('grevlex') == monomial_grevlex_cmp
raises(ValueError, "monomial_cmp('unknown')")