From 49a78e6b8cbd83d070920b8250a4cf58a6b70d8e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20B=C5=93sch?= <ubitux@gmail.com>
Date: Wed, 2 Jan 2013 22:50:56 +0100
Subject: [PATCH] lavu/eval: handle div by zero in mod().
Similarly to 03f5043f5, we use the FTRAPV config setting.
---
libavutil/eval.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/eval.c b/libavutil/eval.c
index b41c95c8386..6687b646f5a 100644
--- a/libavutil/eval.c
+++ b/libavutil/eval.c
@@ -253,7 +253,7 @@ static double eval_expr(Parser *p, AVExpr *e)
double d = eval_expr(p, e->param[0]);
double d2 = eval_expr(p, e->param[1]);
switch (e->type) {
- case e_mod: return e->value * (d - floor(d/d2)*d2);
+ case e_mod: return e->value * (d - floor((!CONFIG_FTRAPV || d2) ? d / d2 : d * INFINITY) * d2);
case e_gcd: return e->value * av_gcd(d,d2);
case e_max: return e->value * (d > d2 ? d : d2);
case e_min: return e->value * (d < d2 ? d : d2);
--
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