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src/s/y/sympy-0.7.5/sympy/integrals/tests/test_rde.py   sympy(Download)
"""Most of these tests come from the examples in Bronstein's book."""
from sympy import Poly, S, symbols, oo, I
from sympy.integrals.risch import (DifferentialExtension,
    NonElementaryIntegralException)
from sympy.integrals.rde import (order_at, order_at_oo, weak_normalizer,
def test_normal_denom():
    DE = DifferentialExtension(extension={'D': [Poly(1, x)]})
    raises(NonElementaryIntegralException, lambda: normal_denom(Poly(1, x), Poly(1, x),
    Poly(1, x), Poly(x, x), DE))
    fa, fd = Poly(t**2 + 1, t), Poly(1, t)
    ga, gd = Poly(1, t), Poly(t**2, t)
    DE = DifferentialExtension(extension={'D': [Poly(1, x), Poly(t**2 + 1, t)]})
    assert normal_denom(fa, fd, ga, gd, DE) == \

src/s/y/sympy-HEAD/sympy/integrals/tests/test_rde.py   sympy(Download)
"""Most of these tests come from the examples in Bronstein's book."""
from sympy import Poly, S, symbols, oo, I
from sympy.integrals.risch import (DifferentialExtension,
    NonElementaryIntegralException)
from sympy.integrals.rde import (order_at, order_at_oo, weak_normalizer,
def test_normal_denom():
    DE = DifferentialExtension(extension={'D': [Poly(1, x)]})
    raises(NonElementaryIntegralException, lambda: normal_denom(Poly(1, x), Poly(1, x),
    Poly(1, x), Poly(x, x), DE))
    fa, fd = Poly(t**2 + 1, t), Poly(1, t)
    ga, gd = Poly(1, t), Poly(t**2, t)
    DE = DifferentialExtension(extension={'D': [Poly(1, x), Poly(t**2 + 1, t)]})
    assert normal_denom(fa, fd, ga, gd, DE) == \