[FFmpeg-soc] [soc]: r2773 - amr/amrnbfloatdec.c

[superdump]

Author: superdump
Date: Sun Jul 13 12:22:10 2008
New Revision: 2773

Log:
Fix lsp2poly()


Modified:
   amr/amrnbfloatdec.c

Modified: amr/amrnbfloatdec.c
==============================================================================
--- amr/amrnbfloatdec.c	(original)
+++ amr/amrnbfloatdec.c	Sun Jul 13 12:22:10 2008
@@ -425,10 +425,10 @@ static void lsp2poly(float *lsp, float *
     f[ 0] = 1.0;
 
     for(i=0; i<5; i++) {
-        int idx_lsp = 2*i;
-        f[i+1] = -lsp[idx_lsp]*f[i] + 2.0*f[i-1];
+        float b = -2.0 * lsp[2*i];
+        f[i+1] = b*f[i] + 2.0*f[i-1];
         for(j=i; j>0; j--) {
-            f[j] += -lsp[idx_lsp]*f[j-1] + f[j-2];
+            f[j] += b*f[j-1] + f[j-2];
         }
     }
 }