319   PetscReal dist = 0;  in PetscSquareDistance()  local
320   for (PetscInt j = 0; j < dim; j++) dist += PetscSqr(x[j] - y[j]);  in PetscSquareDistance()
321   return dist;  in PetscSquareDistance()
333     PetscReal  dist        = PetscSquareDistance(dim, point, &tree->coords[point_index * dim]);  in PetscKDTreeQueryLeaf()  local
334     if (dist < *distance_sqr) {  in PetscKDTreeQueryLeaf()
335       *distance_sqr = dist;  in PetscKDTreeQueryLeaf()
351     PetscReal dist = 0.;  in PetscKDTreeQueryLeaf_CopyCoords()  local
352 …for (PetscInt d = 0; d < dim; d++) dist += PetscSqr(point[d] - tree->coords[leaf.coords_handle + d…  in PetscKDTreeQueryLeaf_CopyCoords()
353     if (dist < *distance_sqr) {  in PetscKDTreeQueryLeaf_CopyCoords()
354       *distance_sqr = dist;  in PetscKDTreeQueryLeaf_CopyCoords()
369     PetscReal  dist;  in PetscKDTreeQuery_Recurse()  local
372 …ds_handle > -1) PetscCall(PetscKDTreeQueryLeaf_CopyCoords(tree, leaf, point, &point_index, &dist));  in PetscKDTreeQuery_Recurse()
373     else PetscCall(PetscKDTreeQueryLeaf(tree, leaf, point, &point_index, &dist));  in PetscKDTreeQuery_Recurse()
374     if (dist < *dist_sqr) {  in PetscKDTreeQuery_Recurse()
375       *dist_sqr = dist;  in PetscKDTreeQuery_Recurse()