Actual source code: pythonmat.c

      1: #include <petsc/private/matimpl.h>

      3: /*@C
      4:    MatPythonSetType - Initalize a Mat object implemented in Python.

      6:    Collective on Mat

      8:    Input Parameter:
      9: +  mat - the matrix (Mat) object.
     10: -  pyname - full dotted Python name [package].module[.{class|function}]

     12:    Options Database Key:
     13: .  -mat_python_type <pyname>

     15:    Level: intermediate

     17: .seealso: MatCreate(), MatSetType(), MATPYTHON, PetscPythonInitialize()
     18: @*/
     19: PetscErrorCode  MatPythonSetType(Mat mat,const char pyname[])
     20: {

     26:   PetscTryMethod(mat,"MatPythonSetType_C",(Mat, const char[]),(mat,pyname));
     27:   return(0);
     28: }

     31: /*@C
     32:    MatPythonCreate - Create a Mat object implemented in Python.

     34:    Collective on Mat

     36:    Input Parameters:
     37: +  comm - MPI communicator
     38: .  m - number of local rows (or PETSC_DECIDE to have calculated if M is given)
     39: .  n - number of local columns (or PETSC_DECIDE to have calculated if N is given)
     40: .  M - number of global rows (or PETSC_DECIDE to have calculated if m is given)
     41: .  N - number of global columns (or PETSC_DECIDE to have calculated if n is given)
     42: -  pyname - full dotted Python name [package].module[.{class|function}]

     44:    Output Parameter:
     45: .  A - the matrix

     47:    Level: intermediate

     49: .seealso: MATPYTHON, MatPythonSetType(), PetscPythonInitialize()

     51: @*/
     52: PetscErrorCode  MatPythonCreate(MPI_Comm comm,PetscInt m,PetscInt n,PetscInt M,PetscInt N,const char pyname[],Mat *A)
     53: {

     59:   MatCreate(comm,A);
     60:   MatSetSizes(*A,m,n,M,N);
     61:   MatSetType(*A,MATPYTHON);
     62:   MatPythonSetType(*A,pyname);
     63:   return(0);
     64: }