From 0dcfc376b057a3873934d1501491f991ade37194 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Thu, 13 Jun 2019 11:23:19 +0200
Subject: mg2d: relax condition on divergence

---
 mg2d.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mg2d.c b/mg2d.c
index 0702a35..e0002af 100644
--- a/mg2d.c
+++ b/mg2d.c
@@ -329,7 +329,7 @@ static int mg_solve_subgrid(MG2DContext *ctx, MG2DLevel *level, int allow_exact)
 finish:
     res_new = mg_resmax_get(level);
     if (!isfinite(res_new) ||
-        (res_new > 1e2 * DBL_EPSILON && res_old / res_new <= 1e-1)) {
+        (res_new > 1e2 * ctx->tol && res_old / res_new <= 1e-1)) {
         mg2di_log(&ctx->priv->logger, MG2D_LOG_ERROR,
                   "The relaxation step at level %d has diverged: %g -> %g\n",
                   level->depth, res_old, res_new);
-- 
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