[petsc-users] Question on re-coding ex29

[John Chludzinski]

In ComputeRHS.h use:

#ifndef _COMPURERHS_H
#define _COMPURERHS_H

PetscErrorCode ComputeRHS(DMMG dmmg, Vec b);

#endif

---John


On Thu, Jul 28, 2011 at 11:22 AM, Alan Wei <zhenglun.wei at gmail.com> wrote:

> Thanks, John. However, on my opinion, one of them has been commented out.
> ^_^
>
> best,
> Alan
>
>
> On Thu, Jul 28, 2011 at 12:55 AM, John Chludzinski <jchludzinski at gmail.com
> > wrote:
>
>> You have:
>>
>> *typedef enum {DIRICHLET, NEUMANN} BCType;*
>>
>> twice in your source: ex29.c
>>
>> ---John
>>
>>
>> On Wed, Jul 27, 2011 at 3:46 PM, Alan Wei <zhenglun.wei at gmail.com> wrote:
>> > Dear John,
>> >     Thanks for your quick reply. I think the error message says that the
>> > BCType has some problem. However, it is originally there and I have not
>> > changed it at all. Is that because I define it in ComputeRHS again and
>> let
>> > ex29.c include ComputeRHS.h so the BCtype is duplicated?
>> >
>> > thanks,
>> > Alan
>> >
>> > On Wed, Jul 27, 2011 at 2:04 PM, John Chludzinski <
>> jchludzinski at gmail.com>
>> > wrote:
>> >>
>> >> Without wading through the attached zip file, it looks like you're
>> missing
>> >> some typedef's that come from a missing include file.  ---John
>> >>
>> >> On Wed, Jul 27, 2011 at 2:38 PM, Alan Wei <zhenglun.wei at gmail.com>
>> wrote:
>> >>>
>> >>> Dear Sir/Madam,
>> >>>     I hope you're having a nice day.
>> >>>     I asked several questions about
>> src/ksp/ksp/example/tutorial/ex29.c
>> >>> before, and learned some beginning staff of PETSc. Right now, I want
>> to
>> >>> start to use it to my own program. Firstly, I want to isolate the
>> ComputeRHS
>> >>> function in ex29, which means I want to put ComputeRHS to another c
>> program
>> >>> file. I did that; however, some problem pop up when I compile it.
>> >>>
>> >>> /home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/bin/mpicc -o
>> >>> ex29.o -c -Wall -Wwrite-strings -Wno-strict-aliasing
>> -Wno-unknown-pragmas
>> >>> -g3 -I/home/zlwei/soft/mercurial/petsc-dev/include
>> >>> -I/home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/include
>> >>> -I/home/zlwei/soft/mercurial/petsc-dev/src/dm/mesh/sieve
>> >>> -D__INSDIR__=src/ksp/ksp/examples/tutorials/ ex29.c
>> >>> ex29.c: In function ComputeRHS:
>> >>> ex29.c:39: error: storage class specified for parameter BCType
>> >>> ex29.c:44: error: expected specifier-qualifier-list before BCType
>> >>> ex29.c:61: error: expected =, ,, ;, asm or __attribute__ before {
>> token
>> >>> ex29.c:117: error: expected =, ,, ;, asm or __attribute__ before {
>> token
>> >>> ex29.c:130: error: expected =, ,, ;, asm or __attribute__ before {
>> token
>> >>> ex29.c:197: error: expected =, ,, ;, asm or __attribute__ before {
>> token
>> >>> ex29.c:220: error: old-style parameter declarations in prototyped
>> >>> function definition
>> >>> ex29.c:220: error: expected { at end of input
>> >>> make: [ex29.o] Error 1 (ignored)
>> >>> /home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/bin/mpicc -o
>> >>> ComputeRHS.o -c -Wall -Wwrite-strings -Wno-strict-aliasing
>> >>> -Wno-unknown-pragmas -g3
>> -I/home/zlwei/soft/mercurial/petsc-dev/include
>> >>> -I/home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/include
>> >>> -I/home/zlwei/soft/mercurial/petsc-dev/src/dm/mesh/sieve
>> >>> -D__INSDIR__=src/ksp/ksp/examples/tutorials/ ComputeRHS.c
>> >>> /home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/bin/mpicc
>> -Wall
>> >>> -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -g3  -o ex29
>> >>> ex29.o ComputeRHS.o
>> >>> -L/home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/lib
>> -lpetsc
>> >>>
>> -Wl,-rpath,/home/zlwei/soft/mercurial/petsc-dev/arch-linux2-c-debug/lib
>> >>> -lflapack -lfblas -lm -L/usr/lib/gcc/x86_64-redhat-linux/4.1.2 -ldl
>> -lmpich
>> >>> -lopa -lmpl -lrt -lpthread -lgcc_s -lmpichf90 -lgfortran -lm -lm -ldl
>> >>> -lmpich -lopa -lmpl -lrt -lpthread -lgcc_s -ldl
>> >>> gcc: ex29.o: No such file or directory
>> >>> make: [ex29] Error 1 (ignored)
>> >>>
>> >>> The program and modified makefile are attached. Could you please take
>> a
>> >>> look and give me some suggestions.
>> >>>
>> >>> best,
>> >>> Alan
>> >>
>> >
>> >
>>
>>
>
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