Date: 2021-03-03T22:26:03+00:00

Actual source code: sfregi.c
petsc-3.14.5 2021-03-03
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      1: #include <petsc/private/sfimpl.h>

      3: PETSC_INTERN PetscErrorCode PetscSFCreate_Basic(PetscSF);
      4: #if defined(PETSC_HAVE_MPI_WIN_CREATE) && defined(PETSC_HAVE_MPI_TYPE_DUP)
      5: PETSC_INTERN PetscErrorCode PetscSFCreate_Window(PetscSF);
      6: #endif
      7: PETSC_INTERN PetscErrorCode PetscSFCreate_Allgatherv(PetscSF);
      8: PETSC_INTERN PetscErrorCode PetscSFCreate_Allgather(PetscSF);
      9: PETSC_INTERN PetscErrorCode PetscSFCreate_Gatherv(PetscSF);
     10: PETSC_INTERN PetscErrorCode PetscSFCreate_Gather(PetscSF);
     11: PETSC_INTERN PetscErrorCode PetscSFCreate_Alltoall(PetscSF);
     12: #if defined(PETSC_HAVE_MPI_NEIGHBORHOOD_COLLECTIVES)
     13: PETSC_INTERN PetscErrorCode PetscSFCreate_Neighbor(PetscSF);
     14: #endif

     16: PetscFunctionList PetscSFList;
     17: PetscBool         PetscSFRegisterAllCalled;

     19: /*@C
     20:    PetscSFRegisterAll - Registers all the PetscSF communication implementations

     22:    Not Collective

     24:    Level: advanced

     26: .seealso:  PetscSFRegisterDestroy()
     27: @*/
     28: PetscErrorCode  PetscSFRegisterAll(void)
     29: {

     33:   if (PetscSFRegisterAllCalled) return(0);
     34:   PetscSFRegisterAllCalled = PETSC_TRUE;
     35:   PetscSFRegister(PETSCSFBASIC,  PetscSFCreate_Basic);
     36: #if defined(PETSC_HAVE_MPI_WIN_CREATE) && defined(PETSC_HAVE_MPI_TYPE_DUP)
     37:   PetscSFRegister(PETSCSFWINDOW, PetscSFCreate_Window);
     38: #endif
     39:   PetscSFRegister(PETSCSFALLGATHERV,PetscSFCreate_Allgatherv);
     40:   PetscSFRegister(PETSCSFALLGATHER, PetscSFCreate_Allgather);
     41:   PetscSFRegister(PETSCSFGATHERV,   PetscSFCreate_Gatherv);
     42:   PetscSFRegister(PETSCSFGATHER,    PetscSFCreate_Gather);
     43:   PetscSFRegister(PETSCSFALLTOALL,  PetscSFCreate_Alltoall);
     44: #if defined(PETSC_HAVE_MPI_NEIGHBORHOOD_COLLECTIVES)
     45:   PetscSFRegister(PETSCSFNEIGHBOR,  PetscSFCreate_Neighbor);
     46: #endif
     47:   return(0);
     48: }

     50: /*@C
     51:   PetscSFRegister  - Adds an implementation of the PetscSF communication protocol.

     53:    Not collective

     55:    Input Parameters:
     56: +  name - name of a new user-defined implementation
     57: -  create - routine to create method context

     59:    Notes:
     60:    PetscSFRegister() may be called multiple times to add several user-defined implementations.

     62:    Sample usage:
     63: .vb
     64:    PetscSFRegister("my_impl",MyImplCreate);
     65: .ve

     67:    Then, this implementation can be chosen with the procedural interface via
     68: $     PetscSFSetType(sf,"my_impl")
     69:    or at runtime via the option
     70: $     -sf_type my_impl

     72:    Level: advanced

     74: .seealso: PetscSFRegisterAll(), PetscSFInitializePackage()
     75: @*/
     76: PetscErrorCode  PetscSFRegister(const char name[],PetscErrorCode (*create)(PetscSF))
     77: {

     81:   PetscSFInitializePackage();
     82:   PetscFunctionListAdd(&PetscSFList,name,create);
     83:   return(0);
     84: }