From 7f88b344adb92434814c82c839a513fc1ccf3b11 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 20 Jan 2020 15:25:21 +0100
Subject: mg2d: add a designated error code for reaching maxiter

Allows to reliably distinguish it from other error cases. Also specify
that the values of u are defined for this error code.
---
 mg2d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'mg2d.c')

diff --git a/mg2d.c b/mg2d.c
index e0a83ed..b669569 100644
--- a/mg2d.c
+++ b/mg2d.c
@@ -1149,7 +1149,7 @@ int mg2d_solve(MG2DContext *ctx)
         res_prev = res_cur;
     }
 
-    ret = -EDOM;
+    ret = MG2D_ERR_MAXITER_REACHED;
     mg2di_log(&priv->logger, MG2D_LOG_ERROR,
               "Maximum number of iterations (%d) reached\n", ctx->maxiter);
 fail:
-- 
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