Calling ...simplify_trig() results in a traceback, somewhat elided here:
Traceback (most recent call last):
....
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/manifolds/differentiable/metric.py",
line 692, in inverse
self._inverse._restrictions[dom] = rst.inverse() # forces the
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/manifolds/differentiable/metric.py",
line 2281, in inverse
val = chart.simplify(gmat_inv[i-si,j-si], method='SR')
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/manifolds/calculus_method.py",
line 236, in simplify
return self._simplify_dict[method](expression)
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/manifolds/utilities.py",
line 597, in simplify_chain_real
expr = expr.simplify_trig()
File "sage/symbolic/expression.pyx", line 10015, in
sage.symbolic.expression.Expression.simplify_trig
(build/cythonized/sage/symbolic/expression.cpp:56590)
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/interfaces/interface.py",
line 657, in __call__
return self._obj.parent().function_call(self._name, [self._obj] +
list(args), kwds)
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/interfaces/interface.py",
line 578, in function_call
return self.new(s)
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/interfaces/interface.py",
line 347, in new
return self(code)
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/interfaces/interface.py",
line 282, in __call__
return cls(self, x, name=name)
File
"/home/rllozes/Development/sage/local/lib/python2.7/site-packages/sage/interfaces/interface.py",
line 697, in __init__
raise TypeError(x)
TypeError: ECL says: THROW: The catch RAT-ERR is undefined.
I don't find anything directly relevant on the bug list at
maxima.sourceforge.net.
Anyone else stumble on this? I've seen various mentions of ECLIB
throw/catch errors, but not for RAT-ERR.
Work-arounds?
I'm running trac #22801 on top of SageMath 8.1.rc3, which includes Maxima
5.39.0.
I attach the notebook worksheet exported ("Save worksheet to a file...") as
.sws
Thanks,
- Richard
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ECLIB_error_ThrowCatch.sws
Description: Binary data
