From 44669088e07d8f9e813e1c894bed4f024edf792e Mon Sep 17 00:00:00 2001
From: drowe67 <drowe67@01035d8c-6547-0410-b346-abe4f91aad63>
Date: Sun, 5 Aug 2012 21:39:23 +0000
Subject: [PATCH] in aks_to_M2 prevent log(0) when signal == 0 when used just
 by decoder, thanks Dean

git-svn-id: https://svn.code.sf.net/p/freetel/code@600 01035d8c-6547-0410-b346-abe4f91aad63
---
 codec2-dev/src/quantise.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/codec2-dev/src/quantise.c b/codec2-dev/src/quantise.c
index dd1464cb..d8232925 100644
--- a/codec2-dev/src/quantise.c
+++ b/codec2-dev/src/quantise.c
@@ -704,7 +704,11 @@ void aks_to_M2(
 
   /* Determine magnitudes by linear interpolation of P(w) -------------------*/
 
-  signal = noise = 0.0;
+  /* when used just by decoded {A} might be all zeroes so init signal
+     to prevent log(0) errors */
+
+  signal = 1E-30; noise = 1E-32;
+
   for(m=1; m<=model->L; m++) {
     am = floor((m - 0.5)*model->Wo/r + 0.5);
     bm = floor((m + 0.5)*model->Wo/r + 0.5);
-- 
2.25.1