From 6cdcade8150b8b063392f74231390f138b9f937b Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Mon, 21 Jan 2019 13:13:03 +0100
Subject: mg2d: failer earlier when relaxation does not converge

---
 mg2d.h | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'mg2d.h')

diff --git a/mg2d.h b/mg2d.h
index a587a18..58308fd 100644
--- a/mg2d.h
+++ b/mg2d.h
@@ -22,6 +22,10 @@
 #include <stddef.h>
 #include <stdint.h>
 
+enum MG2DError {
+    MG2D_ERR_DIVERGE = -0xff00,
+};
+
 /**
  * Type of the boundary condition on a given boundary.
  */
-- 
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