From 9fe75dc5211c9e6b420053d48847700822bbd6e8 Mon Sep 17 00:00:00 2001
From: ehofman <ehofman>
Date: Tue, 27 Oct 2009 12:21:56 +0000
Subject: [PATCH] also test for NaN in listener code

---
 simgear/sound/soundmgr_openal.cxx | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/simgear/sound/soundmgr_openal.cxx b/simgear/sound/soundmgr_openal.cxx
index 2d37e30e..217039a6 100644
--- a/simgear/sound/soundmgr_openal.cxx
+++ b/simgear/sound/soundmgr_openal.cxx
@@ -45,6 +45,7 @@
 #include <simgear/misc/sg_path.hxx>
 #include <simgear/math/SGMath.hxx>
 
+extern bool isNaN(float *v);
 
 #define MAX_SOURCES	128
 
@@ -251,6 +252,9 @@ void SGSoundMgr::update_late( double dt ) {
         }
 
         if (_changed) {
+if (isNaN(_at_up_vec)) printf("NaN in listener orientation\n");
+if (isNaN(toVec3f(_position).data())) printf("NaN in listener position\n");
+if (isNaN(toVec3f(_velocity).data())) printf("NaN in listener velocity\n");
             alListenerf( AL_GAIN, _volume );
             alListenerfv( AL_ORIENTATION, _at_up_vec );
             alListenerfv( AL_POSITION, toVec3f(_position).data() );
-- 
2.39.5