/*
PFStringCreateFunction - Creates a function from a string
Collective over PF
Input Parameters:
+ pf - the function object
- string - the string that defines the function
Output Parameter:
. f - the function pointer.
.seealso: PFSetFromOptions()
*/
PetscErrorCode PETSCVEC_DLLEXPORT PFStringCreateFunction(PF pf,char *string,void **f)
{
#if defined(PETSC_USE_DYNAMIC_LIBRARIES)
PetscErrorCode ierr;
char task[1024],tmp[256],lib[PETSC_MAX_PATH_LEN],username[64];
FILE *fd;
PetscTruth tmpshared,wdshared,keeptmpfiles = PETSC_FALSE;
MPI_Comm comm;
#endif
PetscFunctionBegin;
#if defined(PETSC_USE_DYNAMIC_LIBRARIES)
ierr = PetscStrfree(pf->data);CHKERRQ(ierr);
ierr = PetscStrallocpy(string,(char**)&pf->data);CHKERRQ(ierr);
/* create the new C function and compile it */
ierr = PetscSharedTmp(((PetscObject)pf)->comm,&tmpshared);CHKERRQ(ierr);
ierr = PetscSharedWorkingDirectory(((PetscObject)pf)->comm,&wdshared);CHKERRQ(ierr);
if (tmpshared) { /* do it in /tmp since everyone has one */
ierr = PetscGetTmp(((PetscObject)pf)->comm,tmp,PETSC_MAX_PATH_LEN);CHKERRQ(ierr);
comm = ((PetscObject)pf)->comm;
} else if (!wdshared) { /* each one does in private /tmp */
ierr = PetscGetTmp(((PetscObject)pf)->comm,tmp,PETSC_MAX_PATH_LEN);CHKERRQ(ierr);
comm = PETSC_COMM_SELF;
} else { /* do it in current directory */
ierr = PetscStrcpy(tmp,".");CHKERRQ(ierr);
comm = ((PetscObject)pf)->comm;
}
ierr = PetscOptionsGetTruth(((PetscObject)pf)->prefix,"-pf_string_keep_files",&keeptmpfiles,PETSC_NULL);CHKERRQ(ierr);
if (keeptmpfiles) {
sprintf(task,"cd %s ; mkdir ${USERNAME} ; cd ${USERNAME} ; \\cp -f ${PETSC_DIR}/src/pf/impls/string/makefile ./makefile ; ke MIN=%d NOUT=%d petscdlib STRINGFUNCTION=\"%s\" ; sync\n",tmp,(int)pf->dimin,(int)pf->dimout,string);
} else {
sprintf(task,"cd %s ; mkdir ${USERNAME} ;cd ${USERNAME} ; \\cp -f ${PETSC_DIR}/src/pf/impls/string/makefile ./makefile ; make MIN=%d NOUT=%d -f makefile petscdlib STRINGFUNCTION=\"%s\" ; \\rm -f makefile petscdlib.c libpetscdlib.a ; sync\n",tmp,(int)pf->dimin,(int)pf->dimout,string);
}
#if defined(PETSC_HAVE_POPEN)
ierr = PetscPOpen(comm,PETSC_NULL,task,"r",&fd);CHKERRQ(ierr);
ierr = PetscPClose(comm,fd);CHKERRQ(ierr);
#else
SETERRQ(PETSC_ERR_SUP_SYS,"Cannot run external programs on this machine");
#endif
ierr = MPI_Barrier(comm);CHKERRQ(ierr);
/* load the apply function from the dynamic library */
ierr = PetscGetUserName(username,64);CHKERRQ(ierr);
sprintf(lib,"%s/%s/libpetscdlib",tmp,username);
ierr = PetscDLLibrarySym(comm,PETSC_NULL,lib,"PFApply_String",f);CHKERRQ(ierr);
#endif
PetscFunctionReturn(0);
}
END_TEST
START_TEST( test_PetscTemp )
{
PetscErrorCode ierr;
size_t len = 100;
char* dir;
PetscMalloc( len, &dir);
ierr = PetscGetTmp( PETSC_COMM_WORLD, dir, len); CHKERRQ(ierr);
printf("\n\nDIR: %s\n\n", dir);
ierr = PetscFree(dir); CHKERRQ(ierr);
PetscReal data[4] = {6,2,3,4};
ierr = WriteVectorArray("tempdir",4,data); CHKERRQ(ierr);
ierr = WriteVectorArray("tempdir1",4,data); CHKERRQ(ierr);
ierr = WriteVectorArray("tempdir2",4,data); CHKERRQ(ierr);
ierr = WriteVectorArray("tempdir3",4,data); CHKERRQ(ierr);
}
