def test_oprint_dict_mode():
s = io.StringIO()
with contextlib.redirect_stdout(s):
oprint('int',
1,
'dictionary',
dict(a=1, b=2),
'set', {1},
'tuple', (1, 2),
'list', [1, 2, 3],
'str',
'a quote: "',
dict_mode=True)
if has_ordered_dictionaries:
assert s.getvalue() == textwrap.dedent("""\
int = 1
dictionary:
a -> 1
b -> 2
set = {1}
tuple = (1, 2)
list = [1, 2, 3]
str = a quote: "
""")
def test_oprint():
s = io.StringIO()
with contextlib.redirect_stdout(s):
oprint(
'int',
1,
'dictionary',
dict(a=1, b=2),
'set',
{1},
'tuple',
(1, 2),
'list',
[1, 2, 3],
'str',
'a quote: "',
'deriv',
Derivative(Symbol('x'), Symbol('x'), evaluate=False),
)
if has_ordered_dictionaries:
assert s.getvalue() == textwrap.dedent("""\
int = 1
dictionary = {a: 1, b: 2}
set = {1}
tuple = (1, 2)
list = [1, 2, 3]
str = a quote: "
deriv = D{x}x
""")
def main():
enhance_print()
coords = symbols('x y z')
(ex, ey, ez, grad) = MV.setup('ex ey ez', metric='[1,1,1]', coords=coords)
mfvar = (u, v) = symbols('u v')
eu = ex + ey
ev = ex - ey
(eu_r, ev_r) = ReciprocalFrame([eu, ev])
oprint('Frame', (eu, ev), 'Reciprocal Frame', (eu_r, ev_r))
print('eu.eu_r =', eu | eu_r)
print('eu.ev_r =', eu | ev_r)
print('ev.eu_r =', ev | eu_r)
print('ev.ev_r =', ev | ev_r)
eu = ex + ey + ez
ev = ex - ey
(eu_r, ev_r) = ReciprocalFrame([eu, ev])
oprint('Frame', (eu, ev), 'Reciprocal Frame', (eu_r, ev_r))
print('eu.eu_r =', eu | eu_r)
print('eu.ev_r =', eu | ev_r)
print('ev.eu_r =', ev | eu_r)
print('ev.ev_r =', ev | ev_r)
print('eu =', eu)
print('ev =', ev)
def_prec(locals())
print(GAeval('eu^ev|ex', True))
print(GAeval('eu^ev|ex*eu', True))
return