Spaces:
Sleeping
Sleeping
File size: 361 Bytes
6a86ad5 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
from sympy.core.basic import Basic
new = Basic.__new__
def assoc(d, k, v):
d = d.copy()
d[k] = v
return d
basic_fns = {'op': type,
'new': Basic.__new__,
'leaf': lambda x: not isinstance(x, Basic) or x.is_Atom,
'children': lambda x: x.args}
expr_fns = assoc(basic_fns, 'new', lambda op, *args: op(*args))
|