1060 static PetscErrorCode MatNestGetSubMat_Nest(Mat A, PetscInt idxm, PetscInt jdxm, Mat *mat)  in MatNestGetSubMat_Nest()  argument
1065 …scCheck(idxm < bA->nr, PetscObjectComm((PetscObject)A), PETSC_ERR_ARG_OUTOFRANGE, "Row too large: …  in MatNestGetSubMat_Nest()
1067   *mat = bA->m[idxm][jdxm];  in MatNestGetSubMat_Nest()
1089 PetscErrorCode MatNestGetSubMat(Mat A, PetscInt idxm, PetscInt jdxm, Mat *sub)  in MatNestGetSubMat()  argument
1093   PetscValidLogicalCollectiveInt(A, idxm, 2);  in MatNestGetSubMat()
1096   PetscUseMethod(A, "MatNestGetSubMat_C", (Mat, PetscInt, PetscInt, Mat *), (A, idxm, jdxm, sub));  in MatNestGetSubMat()
1100 static PetscErrorCode MatNestSetSubMat_Nest(Mat A, PetscInt idxm, PetscInt jdxm, Mat mat)  in MatNestSetSubMat_Nest()  argument
1106 …scCheck(idxm < bA->nr, PetscObjectComm((PetscObject)A), PETSC_ERR_ARG_OUTOFRANGE, "Row too large: …  in MatNestSetSubMat_Nest()
1111     PetscCall(ISGetLocalSize(bA->isglobal.row[idxm], &mi));  in MatNestSetSubMat_Nest()
1112     PetscCall(ISGetSize(bA->isglobal.row[idxm], &Mi));  in MatNestSetSubMat_Nest()
1120   if (mat == bA->m[idxm][jdxm]) PetscFunctionReturn(PETSC_SUCCESS);  in MatNestSetSubMat_Nest()
1123   PetscCall(MatDestroy(&bA->m[idxm][jdxm]));  in MatNestSetSubMat_Nest()
1124   bA->m[idxm][jdxm] = mat;  in MatNestSetSubMat_Nest()
1126   if (mat) PetscCall(MatGetNonzeroState(mat, &bA->nnzstate[idxm * bA->nc + jdxm]));  in MatNestSetSubMat_Nest()
1127   else bA->nnzstate[idxm * bA->nc + jdxm] = 0;  in MatNestSetSubMat_Nest()
1153 PetscErrorCode MatNestSetSubMat(Mat A, PetscInt idxm, PetscInt jdxm, Mat sub)  in MatNestSetSubMat()  argument
1157   PetscValidLogicalCollectiveInt(A, idxm, 2);  in MatNestSetSubMat()
1160   PetscTryMethod(A, "MatNestSetSubMat_C", (Mat, PetscInt, PetscInt, Mat), (A, idxm, jdxm, sub));  in MatNestSetSubMat()