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src/s/y/sympy-0.7.5/sympy/integrals/tests/test_risch.py   sympy(Download)
"""Most of these tests come from the examples in Bronstein's book."""
from sympy import (Poly, I, S, Function, log, symbols, exp, tan, sqrt,
    Symbol, Lambda, sin, cos, Eq, Piecewise, factor)
from sympy.integrals.risch import (gcdex_diophantine, frac_in, as_poly_1t,
    derivation, splitfactor, splitfactor_sqf, canonical_representation,
def test_polynomial_reduce():
    DE = DifferentialExtension(extension={'D': [Poly(1, x), Poly(1 + t**2, t)]})
    assert polynomial_reduce(Poly(1 + x*t + t**2, t), DE) == \
        (Poly(t, t), Poly(x*t, t))
    assert polynomial_reduce(Poly(0, t), DE) == \

src/s/y/sympy-HEAD/sympy/integrals/tests/test_risch.py   sympy(Download)
"""Most of these tests come from the examples in Bronstein's book."""
from sympy import (Poly, I, S, Function, log, symbols, exp, tan, sqrt,
    Symbol, Lambda, sin, cos, Eq, Piecewise, factor)
from sympy.integrals.risch import (gcdex_diophantine, frac_in, as_poly_1t,
    derivation, splitfactor, splitfactor_sqf, canonical_representation,
def test_polynomial_reduce():
    DE = DifferentialExtension(extension={'D': [Poly(1, x), Poly(1 + t**2, t)]})
    assert polynomial_reduce(Poly(1 + x*t + t**2, t), DE) == \
        (Poly(t, t), Poly(x*t, t))
    assert polynomial_reduce(Poly(0, t), DE) == \