From 48ea798c247dfff5f6bcb8c6b51b115e829571f8 Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Fri, 24 Oct 2003 08:47:09 +0000
Subject: [PATCH] =?utf8?q?use=20r=B3=20!?=
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---
 zentral.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/zentral.c b/zentral.c
index cf071cd..e7a9430 100644
--- a/zentral.c
+++ b/zentral.c
@@ -46,7 +46,7 @@ int main(int argc,char **argv) {
 
  /* loop */
  for(i=0;i<steps;i++) {
-  r_3=x_p*x_p+y_p*y_p;
+  r_3=sqrt(x_p*x_p+y_p*y_p)*(x_p*x_p+y_p*y_p);
   f_x=-alpha*x_p/r_3; f_y=-alpha*y_p/r_3;
   x=x_p+vx_p*tau; y=y_p+vy_p*tau;
   vx=vx_p+f_x*tau; vy=vy_p+f_y*tau;
-- 
2.20.1