Actual source code: pythonmat.c

petsc-3.10.5 2019-03-28
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  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: .keywords: Mat, Python

 19: .seealso: MatCreate(), MatSetType(), MATPYTHON, PetscPythonInitialize()
 20: @*/
 21: PetscErrorCode  MatPythonSetType(Mat mat,const char pyname[])
 22: {

 28:   PetscTryMethod(mat,"MatPythonSetType_C",(Mat, const char[]),(mat,pyname));
 29:   return(0);
 30: }


 33: /*@C
 34:    MatPythonCreate - Create a Mat object implemented in Python.

 36:    Collective on Mat

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

 46:    Output Parameter:
 47: .  A - the matrix

 49:    Level: intermediate

 51: .keywords: Mat, Python

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

 55: @*/
 56: PetscErrorCode  MatPythonCreate(MPI_Comm comm,PetscInt m,PetscInt n,PetscInt M,PetscInt N,const char pyname[],Mat *A)
 57: {

 63:   MatCreate(comm,A);
 64:   MatSetSizes(*A,m,n,M,N);
 65:   MatSetType(*A,MATPYTHON);
 66:   MatPythonSetType(*A,pyname);
 67:   return(0);
 68: }