Comment 4 for bug 883202

 2011/10/29 Kristian B. Ølgaard <email address hidden>:
> On 28 October 2011 22:23, Garth Wells <email address hidden> wrote:
>> 2011/10/28 Kristian B. Ølgaard <email address hidden>:
>>> On 28 October 2011 19:37, Launchpad Bug Tracker
>>> <email address hidden> wrote:
>>>> Garth Wells (garth-wells) has assigned this bug to you for FFC:
>>>>
>>>> The below code fails to run due to undeclared variables:
>>>>
>>>> from dolfin import *
>>>> # Below line causes failure
>>>> parameters["form_compiler"]["optimize"]       = True
>>>> parameters["form_compiler"]["representation"] = "quadrature"
>>>> mesh = UnitSquare(2, 2)
>>>> P1 = VectorFunctionSpace(mesh, "Lagrange", 2)
>>>> B  = VectorFunctionSpace(mesh, "Bubble", 3)
>>>> Mini = (P1 + B)
>>>
>>> I don't understand where the form is coming from (the error is in a
>>> tabulate_tensor() function).
>>> What does adding two function spaces mean?
>>>
>>
>> It's an 'enriched' space. The code is a cut-down version of the
>> stokes-mini demo.
>
> Sure, I just don't understand why:
>
> Mini = (P1 + B)
>
> results in a form.
>
> It should just be an element, and if the code read (in a UFL file):
>
> element = (P1 + B)
>
> FFC would generate a header for one element without the
> tabulate_tensor() function.
>

Have you tested if this is a problem with plain UFL + FFC
complilation? I can try it later if you haven't already.

Garth

> Kristian
>
>> Garth
>>
>>>
>>>>
>>>> The Instant output is:
>>>>
>>>>
>>>> In file included from instant_module_c57922f6eccdd3bfa89632e935c27d66b0c22e0b_wrap.cxx:3085:0:
>>>> ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9.h: In member function ‘virtual void ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9_cell_integral_0_0::tabulate_tensor(double*, const double* const*, const ufc::cell&) const’:
>>>> ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9.h:1231:9: error: ‘nzc0’ was not declared in this scope
>>>> ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9.h:1231:14: error: ‘j’ was not declared in this scope
>>>> error: command 'gcc' failed with exit status 1
>>>>
>>>> ** Affects: ffc
>>>>     Importance: Critical
>>>>     Assignee: Kristian B. Ølgaard (k.b.oelgaard)
>>>>         Status: Confirmed
>>>>
>>>> --
>>>> Undeclared variables in optimised quadrature code
>>>> https://bugs.launchpad.net/bugs/883202
>>>> You received this bug notification because you are a bug assignee.
>>>>
>>>
>>> --
>>> You received this bug notification because you are a member of FFC Core
>>> Team, which is subscribed to FFC.
>>> https://bugs.launchpad.net/bugs/883202
>>>
>>> Title:
>>>  Undeclared variables in optimised quadrature code
>>>
>>> To manage notifications about this bug go to:
>>> https://bugs.launchpad.net/ffc/+bug/883202/+subscriptions
>>>
>>
>> --
>> You received this bug notification because you are a member of FFC Core
>> Team, which is subscribed to FFC.
>> https://bugs.launchpad.net/bugs/883202
>>
>> Title:
>>  Undeclared variables in optimised quadrature code
>>
>> Status in FEniCS Form Compiler:
>>  Confirmed
>>
>> Bug description:
>>  The below code fails to run due to undeclared variables:
>>
>>  from dolfin import *
>>  # Below line causes failure
>>  parameters["form_compiler"]["optimize"]       = True
>>  parameters["form_compiler"]["representation"] = "quadrature"
>>  mesh = UnitSquare(2, 2)
>>  P1 = VectorFunctionSpace(mesh, "Lagrange", 2)
>>  B  = VectorFunctionSpace(mesh, "Bubble", 3)
>>  Mini = (P1 + B)
>>
>>
>>  The Instant output is:
>>
>>
>>  In file included from instant_module_c57922f6eccdd3bfa89632e935c27d66b0c22e0b_wrap.cxx:3085:0:
>>  ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9.h: In member function ‘virtual void ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9_cell_integral_0_0::tabulate_tensor(double*, const double* const*, const ufc::cell&) const’:
>>  ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9.h:1231:9: error: ‘nzc0’ was not declared in this scope
>>  ffc_form_5ca75cda2f9ef647eacfccf50055f2967e691cf9.h:1231:14: error: ‘j’ was not declared in this scope
>>  error: command 'gcc' failed with exit status 1
>>
>> To manage notifications about this bug go to:
>> https://bugs.launchpad.net/ffc/+bug/883202/+subscriptions
>>
>
> --
> You received this bug notification because you are a member of FFC Core
> Team, which is subscribed to FFC.
> https://bugs.launchpad.net/bugs/883202
>
> Title:
>  Undeclared variables in optimised quadrature code
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/ffc/+bug/883202/+subscriptions
>