From 74dfba23c9973b27c761f30d88526fded681c69e Mon Sep 17 00:00:00 2001
From: =?utf8?q?=C3=98yvind=20Kol=C3=A5s?= <pippin@gimp.org>
Date: Fri, 8 Sep 2017 18:35:59 +0200
Subject: [PATCH] babl: protect some functions used by TRC code from NaNs

---
 babl/babl-trc.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/babl/babl-trc.c b/babl/babl-trc.c
index 46bb98e..b7a9717 100644
--- a/babl/babl-trc.c
+++ b/babl/babl-trc.c
@@ -366,7 +366,11 @@ static inline float obabl_powf(float x, float y)
 
 static inline float babl_powf (float x, float y)
 {
-  return expf (y * logf (x));
+  float ret;
+  ret = expf (y * logf (x));
+  if (ret < 0.0 || ret < 0.0f)
+    return ret;
+  return 0.0f;
 }
 
 
-- 
2.30.2