Dispatching matrix size optimised again

prod_mat_vec/main.c

@@ -80,16 +80,10 @@ int main (int argc, char *argv[]) {
     }
 
     /* Define the size of the problem */
-    h_base=(size_prob/size)+1; // h_base is the default height given to all the processus except the last one
-    if(size_prob%size==0){
-        h_prob=size_prob/size; // h_prob is the processus' problem height
-        h_base=h_prob;
-    }else{
     h_prob=(size_prob/size);
-        if(rank<size_prob%h_base-1){
+    if(rank<size_prob%h_prob)
         h_prob+=1;
-        }
-    }
+
     w_prob=size_prob; // w_prob is not dependent of the number of processus.
     if(DEBUG)
         printf("height %d : %d\n",rank,h_prob);