[vorbis-dev] trivial optimization to psy.c

[Andy Key]

Hi all,

The following is a trivial patch to psy.c, but combining the two loops saves 
a percent or two (according to gprof).

=================================================================
--- psy.c	Mon Jun 19 12:05:57 2000
+++ -	Wed Jun 28 15:14:17 2000
@@ -550,12 +550,11 @@
   frameno++;
   memset(flr,0,n*sizeof(double));

-  for(i=0;i<n;i++)work[i]=fabs(f[i]);
-
-  /* find the highest peak so we know the limits */
   for(i=0;i<n;i++){
-    if(work[i]>specmax)specmax=work[i];
-  }
+    work[i]=fabs(f[i]);
+    if(work[i]>specmax)
+      specmax=work[i];
+    }
   specmax=todB(specmax);

   /* don't use the smoothed data for noise */
=================================================================

-Andy
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