mg2d: export the residual norm to the caller

1 files changed, 1 insertions, 0 deletions

diff --git a/mg2d.c b/mg2d.c
index b669569..95bd1ee 100644
--- a/mg2d.c
+++ b/mg2d.c
@@ -1155,6 +1155,7 @@ int mg2d_solve(MG2DContext *ctx)
 fail:
     mg2di_log(&priv->logger, MG2D_LOG_ERROR, "The solver failed to converge\n");
 finish:
+    ctx->residual_max = s_root->residual_max;
     mg2di_timer_stop(&priv->timer_solve);
     return ret;
 }