Support more series operators

[jcrist]

The following are missing:

• negation (-x)
• inv (~x)
• boolean operations (&, |, ^)
• pow (x ** 2)

pow was added in #892 . Negation and inversion are part of #1163. Boolean bitwise operations are in #1292.

[jrhemstad]

@kkraus14 are these still missing?

[kkraus14]

@kkraus14 are these still missing?

Yes, as far as I'm aware.

[mrocklin]

I ran into this today. Here is a minimal example.

import cudf
gdf = cudf.DataFrame({'x': [1, 2, 3], 'y': [1, 2, 1]})
gdf[(gdf.x > 1) & (gdf.y < 2)]

[mrocklin]

Checking in here. Should this be doable now that Jitify is in?

[mrocklin]

At first glance it doesn't appear to be available yet.