1 files changed, 7 insertions, 0 deletions
diff --git a/mg2d.h b/mg2d.h
index f7897f6..0c12f22 100644
--- a/mg2d.h
+++ b/mg2d.h
@@ -237,6 +237,13 @@ typedef struct MG2DContext {
      * Set by mg2d_solver_alloc[_mpi]().
      */
     size_t    local_size[2];
+
+    double residual_max;
+
+    /**
+     * Use adaptive stepping for relaxation.
+     */
+    int adaptive_step;
 } MG2DContext;
 
 /**