# HG changeset patch
# User Daniele Nicolodi <daniele.nicolodi@obspm.fr>
# Date 1411056116 -7200
# Node ID c14f5a95850d3c1df3715ec856e9817416ba4f8a
# Parent  28a4ff70fe4844f6f670eee217a252fabbe36f85
Fix N3 measurement

diff -r 28a4ff70fe48 -r c14f5a95850d FXAnalyse.c
--- a/FXAnalyse.c	Thu Sep 18 18:01:38 2014 +0200
+++ b/FXAnalyse.c	Thu Sep 18 18:01:56 2014 +0200
@@ -1214,7 +1214,7 @@
 							nobs = 0;
 							
 							// check delta frep
-							double delta_f_rep_m = f_rep_plus - f_rep_minus;
+							double delta_f_rep_m = f_rep_minus - f_rep_plus;
 							double delta_f_rep = Sign1 * Ndiv * 2.0 * delta_f_lock_3 / N1;
 							double delta = delta_f_rep_m - delta_f_rep;
 							
@@ -1222,7 +1222,7 @@
 								delta_f_rep_m, delta_f_rep, delta, delta / delta_f_rep);
 							
 							// compute N3
-							double delta_f_beat = f_beat_plus - f_beat_minus + 2.0 * Sign1 * Sign3 * N3/N1 * Ndiv * delta_f_lock_3;
+							double delta_f_beat = f_beat_minus - f_beat_plus + 2.0 * Sign1 * Sign3 * N3/N1 * Ndiv * delta_f_lock_3;
 							double delta_f_beat_expected = delta_f_rep * N3;
 							
 							logmsg("delta fbeat: measured=%e expected=%e difference=%e",