#16938: Sage debug version
-------------------------------------+-------------------------------------
Reporter: SimonKing | Owner:
Type: defect | Status: needs_review
Priority: critical | Milestone: sage-6.4
Component: build | Resolution:
Keywords: debug singular | Merged in:
cygwin64 | Reviewers:
Authors: Simon King | Work issues:
Report Upstream: None of the above | Commit:
- read trac for reasoning. | 25b66c3f6ad76e06a334b18c3724f4c58537c987
Branch: | Stopgaps:
u/vbraun/sage_debug_version |
Dependencies: |
-------------------------------------+-------------------------------------
Comment (by vbraun):
For example:
{{{
(gdb) break dReportError
Breakpoint 1 at 0x7fffcc699a71: file dError.c, line 28.
(gdb) cont
Continuing.
sage: F.<x,y,z> = FreeAlgebra(QQ, implementation='letterplace')
sage: I = F*[x*y+y*z,x^2+x*y-y*x-y^2]*F
sage: Q.<a,b,c> = F.quo(I); Q
Quotient of Free Associative Unital Algebra on 3 generators (x, y, z) over
Rational Field by the ideal (x*y + y*z, x*x + x*y - y*x - y*y)
sage: a^3
Breakpoint 1, dReportError (fmt=0x7fffcc8b2679 "S_2_R[%d]=%d !=
T[%d].i_r=%d\n") at dError.c:28
28 dError.c: No such file or directory.
(gdb) bt
#0 dReportError (fmt=0x7fffcc8b2679 "S_2_R[%d]=%d != T[%d].i_r=%d\n") at
dError.c:28
#1 0x00007fffcc5b860a in kTest_TS (strat=0x2d09920) at kutil.cc:861
#2 0x00007fffcc5b0598 in bbaShift (F=0x18d0638, Q=0x0, w=0x0, hilb=0x0,
strat=0x2d09920, uptodeg=3, lV=3)
at kstd2.cc:1724
#3 0x00007fffcc5a79ed in kStdShift (F=0x18d0638, Q=0x0, h=isHomog, w=0x0,
hilb=0x0, syzComp=0,
newIdeal=0, vw=0x0, uptodeg=3, lV=3) at kstd1.cc:1912
#4 0x00007fffcc5b09ce in freegb (I=0x18d0638, uptodeg=3, lVblock=3) at
kstd2.cc:1823
#5 0x00007fffcc4e2301 in jjSYSTEM (res=0x2d06588, args=0x18d0548) at
extra.cc:1370
#6 0x00007fffcc4a06b5 in iiExprArithM (res=0x2d06588, a=0x18d0548,
op=496) at iparith.cc:8321
#7 0x00007fffcb9c3eb9 in
__pyx_f_4sage_4libs_8singular_8function_17KernelCallHandler_handle_call (
__pyx_v_self=0x7fffb80d2880, __pyx_v_argument_list=0x7fffb80d1860,
__pyx_optional_args=0x7fffffff7ef0)
at build/cythonized/sage/libs/singular/function.cpp:12083
[...]
(gdb) cy bt
[...]
#78 0x00007ffff7cd7b2d in _reduce_() at /home/vbraun/Sage/git-
develop/local/lib/python2.7/site-
packages/sage/rings/quotient_ring_element.py:118
118 self.__rep = I.reduce(self.__rep)
#83 0x00007fffb5ae04ce in reduce() at /home/vbraun/Sage/git-
develop/src/sage/algebras/letterplace/letterplace_ideal.pyx:306
306 def reduce(self, G):
#87 0x00007fffb5f90e45 in normal_form() at /home/vbraun/Sage/git-
develop/src/sage/algebras/letterplace/free_algebra_element_letterplace.pyx:733
733 def normal_form(self,I):
#93 0x00007fffb5ad9bb4 in groebner_basis() at /home/vbraun/Sage/git-
develop/src/sage/algebras/letterplace/letterplace_ideal.pyx:187
---Type <return> to continue, or q <return> to quit---
187 def groebner_basis(self, degbound=None):
#96 0x00007fffcb9c5095 in __call__() at /home/vbraun/Sage/git-
develop/src/sage/libs/singular/function.pyx:1185
1185 def __call__(self, *args, ring=None, bint
interruptible=True, attributes=None):
#98 0x00007fffcb9ca76b in call_function() at /home/vbraun/Sage/git-
develop/src/sage/libs/singular/function.pyx:1462
1462 _res =
self.call_handler.handle_call(argument_list, si_ring)
#99 0x00007fffcb9c3d15 in handle_call() at /home/vbraun/Sage/git-
develop/src/sage/libs/singular/function.pyx:1093
1093 iiExprArithM(res, argument_list.args,
self.cmd_n)
#100 0x00007fffcc4a029d in iiExprArithM()
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/16938#comment:32>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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