From: Clifford Wolf <clifford@clifford.at>
Date: Wed, 1 May 2019 13:06:46 +0000 (+0200)
Subject: Fix floating point exception in qwp, fixes #923
X-Git-Tag: yosys-0.9~163^2~2
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=93b7fd77449ea385d12db71fd8205312441535d9;p=yosys.git

Fix floating point exception in qwp, fixes #923

Signed-off-by: Clifford Wolf <clifford@clifford.at>
---

diff --git a/passes/cmds/qwp.cc b/passes/cmds/qwp.cc
index 1c64a7b77..adbe89e31 100644
--- a/passes/cmds/qwp.cc
+++ b/passes/cmds/qwp.cc
@@ -291,7 +291,7 @@ struct QwpWorker
 		// gaussian elimination
 		for (int i = 0; i < N; i++)
 		{
-			if (config.verbose && ((i+1) % (N/15)) == 0)
+			if (config.verbose && N > 15 && ((i+1) % (N/15)) == 0)
 				log("> Solved %d%%: %d/%d\n", (100*(i+1))/N, i+1, N);
 
 			// find best row