WIP: Compact interval fixes

[Olllom]

@jonkhler Which of these do we still need?

distribution.py

• class _SloppyUniform
• class SloppyUniform

modulify.py

• def distribution_module

dense.py

• class SirenDenseNet

approx_inverse.py

• # class DifferentiableApproximateInverse
• # class WrapFlowWithInverse
• # class TransformerToFlowAdapter
• # class WrapTransformerWithInverse
• # # class TransformerApproximateInverse
• class WrapCDFTransformerWithInverse
• class GridInversion

bisection.py

• def bisection_inverse
• def filter_grid
• def find_interval
• class BisectionRootFinder

newton.py

• def stable_newton_rhapson

compact.py

• def polynomial_ramp
• def smooth_ramp_pow2
• def smooth_ramp_pow1
• def smooth_ramp_pow_beta
• def generalized_sigmoid_transform
• def affine_sigmoid_transform
• def mixture_cdf_transform
• class ConditionalRamp
• class PowerRamp
• class SmoothRamp
• class SmoothRampWithTrainableExponent
• class AffineSigmoidComponents
• class AffineSigmoidComponentInitGrid
• class MixtureCDFTransformer
• class ConstrainedSigmoidComponents
• class ConstantConstrainedSigmoidComponents
• class UniformIntervalConstrainedSigmoidComponents
• class ConstrainedBoundaryCDFTransformer

moebius.py

• def moebius_transform
• def uniform_to_complex
• def complex_to_uniform
• def complex_multiply
• def complex_conjugate
• def full_moebius
• class MoebiusComponents

sigmoid.py

• def non_compact_affine_sigmoid_transform
• def rescaled_non_compact_affine_sigmoid_transform
• class NonCompactAffineSigmoidComponents

spline.py

• changes in ConditionalSplineTransformer (elementwise dlogp)

[lgtm-com]

This pull request introduces 8 alerts and fixes 1 when merging 191465c into 3f23452 - view on LGTM.com

new alerts:

• 3 for Unused import
• 2 for Unused local variable
• 2 for 'import *' may pollute namespace
• 1 for Variable defined multiple times

fixed alerts:

• 1 for Unused import

[lgtm-com]

This pull request introduces 8 alerts and fixes 1 when merging 8be78aa into ee620a3 - view on LGTM.com

new alerts:

• 3 for Unused import
• 2 for Unused local variable
• 2 for 'import *' may pollute namespace
• 1 for Variable defined multiple times

fixed alerts:

• 1 for Unused import

[Olllom]

@jonkhler's jax2torch implementation (#40) of smooth flows is much more efficient.
Once #40 is merged, we'll close the present PR and only maintain the jax version of smooth flows.