There is this:
sage: import numpy as np
sage: cm = sage.structure.element.coercion_model
sage: cm.explain(polygen(RR), np.float32('1.5'), operator.mul)
Action discovered.
Right scalar multiplication by Real Double Field on Univariate
Polynomial Ring in x over Real Field with 53 bits of precision
with precomposition on right by Native morphism:
From: Set of Python objects of type 'numpy.float32'
To: Real Double Field
Result lives in Univariate Polynomial Ring in x over Real Field with 53
bits of precision
Univariate Polynomial Ring in x over Real Field with 53 bits of precision
On Saturday, April 22, 2017 at 11:01:52 AM UTC+2, Dima Pasechnik wrote:
>
> Is there a "normal" way to trace all the coersion/conversion steps for a
> given Sage expression?
> If not, there should be one, IMHO (otherwise it's always a huge guessing
> game for this sort of issues)
>
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