Fix divide by zero causing NaN with certain day cycles in DRTVWR-559

2 files changed, 2 insertions, 0 deletions

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();
diff --git a/indra/llinventory/llsettingsbase.h b/indra/llinventory/llsettingsbase.h
index 1f0589f571..50276b801a 100644
--- a/indra/llinventory/llsettingsbase.h
+++ b/indra/llinventory/llsettingsbase.h
@@ -467,6 +467,7 @@ protected:
 
 class LLSettingsBlenderTimeDelta : public LLSettingsBlender
 {
+protected:
     LOG_CLASS(LLSettingsBlenderTimeDelta);
 public:
     static const LLSettingsBase::BlendFactor MIN_BLEND_DELTA;