#9717: fix variable substitution in PolyBoRi
-----------------------------------+----------------------------------------
Reporter: malb | Owner: malb
Type: defect | Status: needs_work
Priority: critical | Milestone: sage-4.5.3
Component: commutative algebra | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
-----------------------------------+----------------------------------------
Comment(by malb):
The attached patch + SPKG fix the original problem, however I'm getting
segfaults now:
{{{
Program received signal SIGSEGV, Segmentation fault.
linalg_step_modified (polys=<value optimized out>, terms=<value optimized
out>,
leads_from_strat=<value optimized out>, log=<value optimized out>,
optDrawMatrices=<value optimized out>, matrixPrefix=<value optimized
out>)
at groebner/src/nf.cc:2270
2270 groebner/src/nf.cc: No such file or directory.
in groebner/src/nf.cc
Current language: auto
The current source language is "auto; currently c++".
(gdb) bt
#0 linalg_step_modified (polys=<value optimized out>, terms=<value
optimized out>,
leads_from_strat=<value optimized out>, log=<value optimized out>,
optDrawMatrices=<value optimized out>, matrixPrefix=<value optimized
out>)
at groebner/src/nf.cc:2270
#1 0x00007fffcf4f6c56 in
polybori::groebner::GroebnerStrategy::faugereStepDense (
this=<value optimized out>, orig_system=<value optimized out>) at
groebner/src/nf.cc:2386
#2 0x00007fffcf3e2a0d in
__pyx_pf_4sage_5rings_10polynomial_5pbori_16GroebnerStrategy_faugere_step_dense
(__pyx_v_self=0x5997520, __pyx_v_v=0x12bf3500) at
sage/rings/polynomial/pbori.cpp:31846
#3 0x00007ffff7b11316 in call_function (f=0x418a900, throwflag=<value
optimized out>)
at Python/ceval.c:3694
}}}
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9717#comment:2>
Sage <http://www.sagemath.org>
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