src/mathutils.c: fix aubio_db_spl, thanks to Eric, closes #15

[aubio.git] / src / mathutils.h

diff --git a/src/mathutils.h b/src/mathutils.h
index ebec009..fa18135 100644 (file)
--- a/src/mathutils.h
+++ b/src/mathutils.h
@@ -106,7 +106,8 @@ smpl_t fvec_sum (fvec_t * v);
 
 /** compute the energy of a vector
 
-  This function compute the sum of the squared elements of a vector.
+  This function compute the sum of the squared elements of a vector, normalised
+  by its length.
  
   \param v vector to get the energy from