e3j.utils

Configuration

config.Config([layout, tensor_product, ...])	Global configuration for e3j.
config.config(**kwargs)	Singleton config class for e3j.
options.TensorProduct(value[, names, ...])	Evaluation strategy for TensorProduct.
options.Aggregation(value[, names, module, ...])	Aggregation method for the sparse reduction step.
options.Layout(value[, names, module, ...])	Array layouts.
options.TPMode(value[, names, module, ...])	Tensor product modes.
options.TPNormalization(value[, names, ...])	Tensor product normalization options of Clebsch-Gordan coefficients.

Utilities

sparse.SparseMixin()	Properties and methods depending on a coef attribute.
irreps.irrep_range(l_max[, pseudotensors])	Return direct sum of irreps with angular momentum l <= l_max.
factorials.fact(n)	Factorial n!
factorials.bifact(n)	Bifactorial n!!