sfdpgen prolongate: remove unhelpful comment

diff --git a/lib/sfdpgen/spring_electrical.c b/lib/sfdpgen/spring_electrical.c
index f7355587ed453986b95fe01e4c1bcf576a2c6486..2e850891f95dd8bcb031c3d8405ef9f23cbda5db 100644 (file)
--- a/lib/sfdpgen/spring_electrical.c
+++ b/lib/sfdpgen/spring_electrical.c
@@ -1524,7 +1524,6 @@ static void prolongate(int dim, SparseMatrix A, SparseMatrix P, SparseMatrix R,
   int nc, *ia, *ja, i, j, k;
   SparseMatrix_multiply_dense(P, x, &y, dim);
 
-  /* xu yao rao dong */
   interpolate_coord(dim, A, y);
   nc = R->m;
   ia = R->ia;