From 5da7a83eeb292ed934c0e7346af09dcd6580876e Mon Sep 17 00:00:00 2001
From: Antonio Ramos <antonio.ramosdet@gmail.com>
Date: Wed, 21 Feb 2018 11:28:35 +0100
Subject: [PATCH] Correct interpolation indexes

---
 .../observables/gnuradio_blocks/hybrid_observables_cc.cc    | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/algorithms/observables/gnuradio_blocks/hybrid_observables_cc.cc b/src/algorithms/observables/gnuradio_blocks/hybrid_observables_cc.cc
index db02f4856..8deb9746b 100644
--- a/src/algorithms/observables/gnuradio_blocks/hybrid_observables_cc.cc
+++ b/src/algorithms/observables/gnuradio_blocks/hybrid_observables_cc.cc
@@ -498,15 +498,15 @@ int hybrid_observables_cc::general_work(int noutput_items __attribute__((unused)
             unsigned int index_closest = find_closest(*it);
             unsigned int index1;
             unsigned int index2;
-            if(index_closest == (it->size() - 1))
+            if(index_closest > 0)
             {
                 index1 = index_closest - 1;
                 index2 = index_closest;
             }
             else
             {
-                index1 = index_closest;
-                index2 = index_closest + 1;
+                index1 = 0;
+                index2 = 1;
             }
             Gnss_Synchro interpolated_gnss_synchro = it->at(index1);
             std::pair<Gnss_Synchro, Gnss_Synchro> gnss_pair(it->at(index2), it->at(index1));