NameError: global name 'integrated' is not defined
On Wednesday, April 15, 2015 at 6:55:23 PM UTC+2, Buck Evan wrote: > > I'm trying to plot a function involving the gamma function. It's this one: > > -(gamma(1/2*k, 1/2*R*k) - gamma(1/2*k))/gamma(1/2*k) > > > > If I try to plot the function with a k value any greater than 40, I get a > segfault: > > > sum( > plot( > integrated(k=k), > (x, 0, 2.5), > ymax=1.6, > color=color, > legend_label='k=%i' % k, > figsize=6, > aspect_ratio=1.0, > ) > for k, color in zip( > [21, 22, 23, 26, 31, 41], > ['blue', 'brown', 'red', 'green', 'black', 'yellow', 'orange'], > ) > ) > > /Users/buck/trees/mine/sage/sage: line 134: 12283 Segmentation fault: 11 > "$SAGE_ROOT/src/bin/sage" "$@" > [I 12:15:10.735 NotebookApp] KernelRestarter: restarting kernel (1/5) > > > This is extremely similar to the behavior I was getting with the pre-built > 6.5 sage, so I think it's an old bug rather than a problem with my build. > In 6.5 there was no output (I suspect the Segmentation Fault message was > gobbled somehow), so I never tried to enable / debug a core dump in 6.5. > > Inspecting the 6.6 core dump, I see that it used 27528, mostly calling > back and forth between two functions. > Smells like stack overflow to me. > > (lldb) bt > [27503/47384] > * thread #1: tid = 0x0000, 0x0000000103588007 > libpython2.7.dylib`vgetargskeywords + 23, stop reason = signal SIGSTOP > * frame #0: 0x0000000103588007 libpython2.7.dylib`vgetargskeywords + 23 > frame #1: 0x000000010358890e > libpython2.7.dylib`PyArg_ParseTupleAndKeywords + 174 > frame #2: 0x000000010356c40e libpython2.7.dylib`builtin___import__ + 94 > frame #3: 0x00000001034a377f > libpython2.7.dylib`PyObject_CallFunctionObjArgs + 367 > frame #4: 0x000000010774c1c4 > coerce.so`__Pyx_Import(name=<unavailable>, from_list=0x0000000117da7560, > level=<unavailable>) + 180 at coerce.c: > 20339 > frame #5: 0x000000010774d08e > coerce.so`__pyx_f_4sage_9structure_6coerce_py_scalar_parent(__pyx_v_py_type=<unavailable>, > > __pyx_skip_dispatch=< > unavailable>) + 510 at coerce.c:2938 > frame #6: 0x0000000107760318 > coerce.so`__pyx_f_4sage_9structure_6coerce_24CoercionModel_cache_maps_canonical_coercion(__pyx_v_self=0x00000001 > 07648d50, __pyx_v_x=0x00007f8fbfc37238, __pyx_v_y=0x0000000118c5f390, > __pyx_skip_dispatch=<unavailable>) + 3128 at coerce.c:9585 > frame #7: 0x0000000107763cfe > coerce.so`__pyx_pw_4sage_9structure_6coerce_24CoercionModel_cache_maps_25canonical_coercion > > + 13 at coerce.c:105 > 64 > frame #8: 0x0000000107763cf1 > coerce.so`__pyx_pw_4sage_9structure_6coerce_24CoercionModel_cache_maps_25canonical_coercion(__pyx_v_self=0x00000 > 00107648d50, __pyx_args=0x0000000117e5f248, __pyx_kwds=0x0000000000000000) > + 65 > frame #9: 0x0000000103574f10 libpython2.7.dylib`PyEval_EvalFrameEx + > 26208 > frame #10: 0x0000000103575fb0 libpython2.7.dylib`PyEval_EvalCodeEx + > 2144 > frame #11: 0x00000001034dae0c libpython2.7.dylib`function_call + 124 > frame #12: 0x000000010d680381 > pynac.so`__Pyx_PyObject_Call(func=0x0000000108f0c410, arg=<unavailable>, > kw=PyObject * at scalar) + 65 at pynac > .cpp:26785 > frame #13: 0x000000010d6a76e9 > pynac.so`py_gcd(__pyx_v_n=0x00007f8fbfc37238, __pyx_v_k=0x0000000118c5f390) > + 521 at pynac.cpp:8416 > frame #14: 0x000000010d7d0f28 > libpynac.1.dylib`GiNaC::gcd(GiNaC::numeric const&, GiNaC::numeric const&) + > 56 > frame #15: 0x000000010d7ad100 > libpynac.1.dylib`GiNaC::add::integer_content() const + 496 > frame #16: 0x000000010d7acef0 > libpynac.1.dylib`GiNaC::ex::integer_content() const + 16 > frame #17: 0x000000010d79fe01 libpynac.1.dylib`GiNaC::mul::eval(int) > const + 1377 > frame #18: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #19: 0x000000010d7a026b libpynac.1.dylib`GiNaC::mul::eval(int) > const + 2507 > frame #20: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #21: 0x000000010d7a026b libpynac.1.dylib`GiNaC::mul::eval(int) > const + 2507 > frame #22: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #23: 0x000000010d7a026b libpynac.1.dylib`GiNaC::mul::eval(int) > const + 2507 > frame #24: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #25: 0x000000010d7a026b libpynac.1.dylib`GiNaC::mul::eval(int) > const + 2507 > frame #26: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27: 0x000000010d7a026b libpynac.1.dylib`GiNaC::mul::eval(int) > const + 2507 > frame #28: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #29: 0x000000010d7a026b libpynac.1.dylib`GiNaC::mul::eval(int) > const + 2507 > ... > frame #27502: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27503: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27504: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27505: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27506: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27507: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27508: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27509: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27510: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27511: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27512: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27513: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27514: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27515: 0x000000010d7a026b > libpynac.1.dylib`GiNaC::mul::eval(int) const + 2507 > frame #27516: 0x000000010d71ba91 > libpynac.1.dylib`GiNaC::ex::construct_from_basic(GiNaC::basic const&) + 113 > frame #27517: 0x000000010d7d1ccd > libpynac.1.dylib`GiNaC::operator*(GiNaC::ex const&, GiNaC::ex const&) + 77 > frame #27518: 0x000000010da76768 > expression.so`__pyx_f_4sage_8symbolic_10expression_10Expression__mul_(__pyx_v_left=0x0000000117db6cb0, > > __pyx_v_right=0x0000000117db6ea8, __pyx_skip_dispatch=<unavailable>) + 2504 > at expression.cpp:18109 > frame #27519: 0x00000001075bed30 > element.so`__pyx_pw_4sage_9structure_7element_11RingElement_11__mul__ + 64 > at element.c:17301 > frame #27520: 0x00000001075becf0 > element.so`__pyx_pw_4sage_9structure_7element_11RingElement_11__mul__(__pyx_v_left=0x0000000117db6cb0, > > __pyx_v_right=0x0000000117db6ea8) + 14 > frame #27521: 0x000000010349ff8b libpython2.7.dylib`PyNumber_Multiply > + 187 > frame #27522: 0x0000000117bceb47 > wrapper_py.so`interp_py(args=0x0000000117dbeda8, > constants=0x00007f8fbd980f30, stack=<unavailable>, code=0x00007f8fbd9a8eac) > + 519 at interp_py.c:110 > frame #27523: 0x0000000117bc1cca > wrapper_py.so`__pyx_pw_4sage_3ext_12interpreters_10wrapper_py_10Wrapper_py_5__call__(__pyx_v_self=0x00000001181db380, > > __pyx_args=0x0000000117dbed90, __pyx_kwds=0x0000000000000000) + 138 at > wrapper_py.c:1478 > frame #27524: 0x00000001034a2bd3 libpython2.7.dylib`PyObject_Call + 67 > frame #27525: 0x00000001035727bd libpython2.7.dylib`PyEval_EvalFrameEx > + 16141 > frame #27526: 0x0000000103575fb0 libpython2.7.dylib`PyEval_EvalCodeEx > + 2144 > frame #27527: 0x000000010357513d libpython2.7.dylib`PyEval_EvalFrameEx > + 26765 > frame #27528: 0x000000010e399354 > -- You received this message because you are subscribed to the Google Groups "sage-support" group. 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