def _print_sign(self, expr):
from sympy import Abs
arg, = expr.args
if arg.is_integer:
new_expr = merge(0, isign(1, arg), Eq(arg, 0))
elif arg.is_complex:
new_expr = merge(cmplx(literal_dp(0), literal_dp(0)), arg/Abs(arg), Eq(Abs(arg), literal_dp(0)))
else:
new_expr = merge(literal_dp(0), dsign(literal_dp(1), arg), Eq(arg, literal_dp(0)))
return self._print(new_expr)
def _print_sign(self, expr):
from sympy import Abs
arg, = expr.args
if arg.is_integer:
new_expr = merge(0, isign(1, arg), Eq(arg, 0))
elif arg.is_complex:
new_expr = merge(cmplx(literal_dp(0), literal_dp(0)), arg/Abs(arg), Eq(Abs(arg), literal_dp(0)))
else:
new_expr = merge(literal_dp(0), dsign(literal_dp(1), arg), Eq(arg, literal_dp(0)))
return self._print(new_expr)
def test_cmplx():
x = Symbol('x')
assert cmplx(1, x) == cmplx(1, x)
def test_cmplx():
x = Symbol('x')
assert cmplx(1, x) == cmplx(1, x)