protection to avoir division by zeroHEADsvn2git-head.1master

svn path=/trunk/externals/nusmuk/; revision=17570

1 files changed, 4 insertions, 1 deletions

diff --git a/nusmuk-utils/tab_downsample.c b/nusmuk-utils/tab_downsample.c
index b94c458..f584426 100644
--- a/nusmuk-utils/tab_downsample.c
+++ b/nusmuk-utils/tab_downsample.c
@@ -20,6 +20,8 @@ void *tab_downsample_new(t_symbol *s_src,t_symbol *s_dst, t_float factor)
     x->x_arrayname_src = s_src;
     x->x_arrayname_dst = s_dst;
     x->factor = factor;
+    x->factor = MAX(1, factor);
+    
     x->offset = 0;
     
     x->b_out = outlet_new(&x->x_obj, &s_bang);  
@@ -47,6 +49,7 @@ void tab_downsample_compute(t_tab_downsample *x)
     else
     {
         nb_max = MIN((npoints_src - x->offset)/x->factor, npoints_dst);
+        //nb_max = MAX(nb_max, 1);
         
         // post("nb_max = %d",nb_max);
         index_src = x->offset;
@@ -80,7 +83,7 @@ void tab_downsample_dst(t_tab_downsample *x, t_symbol *s_dst) {
 }
 
 void tab_downsample_factor(t_tab_downsample *x, t_float factor) {
-    x->factor = factor;
+    x->factor = MAX(1, factor);
 }
  
 void tab_downsample_setup(void) {