A simple way to proceed is to use http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/Viewer/PetscViewerBinaryOpen.html
On Jul 27, 2014, at 10:18 AM, Sun, Hui <[email protected]> wrote: > I try to create some binary output for MATLAB with the following code. > > PetscViewer viewer = PETSC_VIEWER_BINARY(PETSC_COMM_WORLD); > MatView(A,viewer); > VecView(v,viewer); > PetscViewerDestroy(&viewer); > > However it gives me an error, which is the following: > > interface_fs.c:215:26: warning: implicit declaration of function > 'PETSC_VIEWER_MATLAB' is invalid in C99 [-Wimplicit-function-declaration] > PetscViewer viewer = PETSC_VIEWER_MATLAB(PETSC_COMM_WORLD); > ^ > interface_fs.c:215:17: warning: incompatible integer to pointer conversion > initializing 'PetscViewer' (aka 'struct _p_PetscViewer *') with an expression > of type 'int' > [-Wint-conversion] > PetscViewer viewer = PETSC_VIEWER_MATLAB(PETSC_COMM_WORLD); > > > I'm wondering what is the correct way to do this? Thank you!
