Did I find the right examples for you? yes no

All Samples(2)  |  Call(2)  |  Derive(0)  |  Import(0)
Helper for evalf. Does the same thing but takes binary precision

src/s/y/sympy-HEAD/sympy/core/tests/test_numbers.py   sympy(Download)
    assert abs(Catalan._evalf(50) - 0.915965594177219) < 1e-10
    assert abs(EulerGamma._evalf(50) - 0.577215664901533) < 1e-10
    assert abs(GoldenRatio._evalf(50) - 1.61803398874989) < 1e-10
    x = Symbol("x")
    assert (pi + x).evalf() == pi.evalf() + x

src/s/y/sympy-polys-HEAD/sympy/core/tests/test_numbers.py   sympy-polys(Download)
    assert abs(Catalan._evalf(50) - 0.915965594177219) < 1e-10
    assert abs(EulerGamma._evalf(50) - 0.577215664901533) < 1e-10
    assert abs(GoldenRatio._evalf(50) - 1.61803398874989) < 1e-10
    x = Symbol("x")
    assert (pi+x).evalf() == pi.evalf()+x