From 8d20d61b4d305b985de4837bb0ed3ddaedb208d1 Mon Sep 17 00:00:00 2001
From: Brad Linden <brad@lindenlab.com>
Date: Wed, 31 May 2023 10:33:03 -0700
Subject: Fix divide by zero causing NaN with certain day cycles in DRTVWR-559

---
 indra/llinventory/llsettingsbase.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'indra/llinventory/llsettingsbase.cpp')

diff --git a/indra/llinventory/llsettingsbase.cpp b/indra/llinventory/llsettingsbase.cpp
index 936b166409..bcf8bf6264 100644
--- a/indra/llinventory/llsettingsbase.cpp
+++ b/indra/llinventory/llsettingsbase.cpp
@@ -693,6 +693,7 @@ void LLSettingsBlender::update(const LLSettingsBase::BlendFactor& blendf)
 F64 LLSettingsBlender::setBlendFactor(const LLSettingsBase::BlendFactor& blendf_in)
 {
     LLSettingsBase::TrackPosition blendf = blendf_in;
+    llassert(!isnan(blendf));
     if (blendf >= 1.0)
     {
         triggerComplete();
-- 
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