4238 PetscErrorCode MatCopy_Basic(Mat A, Mat B, MatStructure str)  in MatCopy_Basic()  argument
4246   if (str == SAME_NONZERO_PATTERN) {  in MatCopy_Basic()
4254     PetscCall(MatAYPX(B, 0.0, A, str));  in MatCopy_Basic()
4284 PetscErrorCode MatCopy(Mat A, Mat B, MatStructure str)  in MatCopy()  argument
4303   if (A->ops->copy) PetscUseTypeMethod(A, copy, B, str);  in MatCopy()
4304   else PetscCall(MatCopy_Basic(A, B, str));  in MatCopy()
7715   Vec                seq, par;  in MatComputeVariableBlockEnvelope()  local
7777   PetscCall(VecCreateSeq(PETSC_COMM_SELF, 2 * ln, &seq));  in MatComputeVariableBlockEnvelope()
7778   PetscCall(VecGetArrayWrite(seq, &seqv));  in MatComputeVariableBlockEnvelope()
7786   PetscCall(VecRestoreArrayWrite(seq, &seqv));  in MatComputeVariableBlockEnvelope()
7791   PetscCall(VecScatterCreate(seq, NULL, par, isglobal, &scatter));  in MatComputeVariableBlockEnvelope()
7793   PetscCall(VecScatterBegin(scatter, seq, par, INSERT_VALUES, SCATTER_FORWARD));  in MatComputeVariableBlockEnvelope()
7794   PetscCall(VecScatterEnd(scatter, seq, par, INSERT_VALUES, SCATTER_FORWARD));  in MatComputeVariableBlockEnvelope()
7796   PetscCall(VecDestroy(&seq));  in MatComputeVariableBlockEnvelope()