src/mathutils.c: fix parzen and welch

diff --git a/src/mathutils.c b/src/mathutils.c
index 0c764552488fcd954f9b2e04822cd8f00d1ff89d..38431c976e89b883ee6c40454e836b32764cab49 100644 (file)
--- a/src/mathutils.c
+++ b/src/mathutils.c
@@ -109,11 +109,11 @@ new_aubio_window (char_t * window_type, uint_t size)
       break;
     case aubio_win_welch:
       for (i=0;i<size;i++)
-        w[i] = 1.0 - SQR((2*i-size)/(size+1.0));
+        w[i] = 1.0 - SQR((2.*i-size)/(size+1.0));
       break;
     case aubio_win_parzen:
       for (i=0;i<size;i++)
-        w[i] = 1.0 - ABS((2*i-size)/(size+1.0));
+        w[i] = 1.0 - ABS((2.*i-size)/(size+1.0));
       break;
     default:
       break;