alternative version of dlsch_channel_level not needing floating point

2017-06-08 09:22:30 +02:00
parent 3c56a7edc5
commit 9542e8a8f9
3 changed files with 27 additions and 7 deletions
@@ -37,6 +37,26 @@ unsigned char log2_approx(unsigned int x)
  return(l2);
 }

+unsigned char factor2(unsigned int x)
+{
+
+  int i;
+  unsigned char l2;
+
+  l2=0;
+
+  for (i=0; i<31; i++)
+    if ((x&(1<<i)) != 0)
+      break;
+
+  l2 = i;
+
+  //printf("factor2(%d) = %d\n",x,l2);
+  return(l2);
+}
+
+
+
 unsigned char log2_approx64(unsigned long long int x)
 {