Status: New
Owner: ----
Labels: Type-Defect Priority-Medium

New issue 3333 by [email protected]: c2p hard crashes python on Eq(y,2**Abs(x))
http://code.google.com/p/sympy/issues/detail?id=3333

from sympy import *
from sympy.printing import mathml
from sympy.utilities.mathml import c2p, add_mathml_headers
x, y = symbols('x y')
expr = Eq(y,2**Abs(x))
rawmml = mathml(expr)
cmml = add_mathml_headers(rawmml)
c2p(cmml)
runtime error: element param
xsltApplyXSLTTemplate: A potential infinite template recursion was detected.
You can adjust xsltMaxDepth (--maxdepth) in order to raise the maximum number of
 nested template calls and variables/params (currently set to 3000).
Templates:
#0 name apply[abs[1]]
#1 name * name semantics
#2 name apply[abs[1]]
#3 name * name semantics
#4 name apply[abs[1]]
#5 name * name semantics
#6 name apply[abs[1]]
#7 name * name semantics
#8 name apply[abs[1]]
#9 name * name semantics
#10 name apply[abs[1]]
#11 name * name semantics
#12 name apply[abs[1]]
#13 name * name semantics
#14 name apply[abs[1]]
Variables:
#0
param PAR_NO_IGNORE   Object is a number : 1

#1
param PAREN   Object is a number : -7

#2
param PARAM   Object is a number : -1

#3
param IN_PREC   Object is a number : 0

#4
param PAR_NO_IGNORE   Object is a number : 1

#5
param PAREN   Object is a number : -7

#6
param PARAM   Object is a number : -1

#7
param IN_PREC   Object is a number : 0

#8
param PAR_NO_IGNORE   Object is a number : 1

#9
param PAREN   Object is a number : -7

#10
param PARAM   Object is a number : -1

#11
param IN_PREC   Object is a number : 0

#12
param PAR_NO_IGNORE   Object is a number : 1

#13
param PAREN   Object is a number : -7

#14
param PARAM   Object is a number : -1

runtime error: element param
xsltApplyXSLTTemplate: A potential infinite template recursion was detected.
You can adjust xsltMaxDepth (--maxdepth) in order to raise the maximum number of
 nested template calls and variables/params (currently set to 3000).
Templates:
#0 name apply[abs[1]]
#1 name * name semantics
#2 name apply[abs[1]]
#3 name * name semantics
#4 name apply[abs[1]]
#5 name * name semantics
#6 name apply[abs[1]]
#7 name * name semantics
#8 name apply[abs[1]]
#9 name * name semantics
#10 name apply[abs[1]]
#11 name * name semantics
#12 name apply[abs[1]]
#13 name * name semantics
#14 name apply[abs[1]]
Variables:
#0
param PAR_NO_IGNORE   Object is a number : 1

#1
param PAREN   Object is a number : -7

#2
param PARAM   Object is a number : -1

#3
param IN_PREC   Object is a number : 0

#4
param PAR_NO_IGNORE   Object is a number : 1

#5
param PAREN   Object is a number : -7

#6
param PARAM   Object is a number : -1

#7
param IN_PREC   Object is a number : 0

#8
param PAR_NO_IGNORE   Object is a number : 1

#9
param PAREN   Object is a number : -7

#10
param PARAM   Object is a number : -1

#11
param IN_PREC   Object is a number : 0

#12
param PAR_NO_IGNORE   Object is a number : 1

#13
param PAREN   Object is a number : -7

#14
param PARAM   Object is a number : -1

Segmentation fault

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