Affine arithmetic (verry.affine)

This module provides affine arithmetic.

Affine form

AffineForm(value, **kwargs)	Affine form.
summarize(vars, n[, m])	In-place version of summarized().
summarized(vars, n[, m])	Reduce the number of noise symbols while keeping correlation between vars.

Context

Context([rounding])	Create a new context.
getcontext()	Return the current context for the active thread.
localcontext([ctx, rounding])	Return a context manager that will set the current context for the active thread to a copy of ctx on entry to the with-statement and restore the previous context when exiting the with-statement.
setcontext(ctx)	Set the current context for the active thread to ctx.