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-rw-r--r--lib/receiver/viterbi_detector.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/receiver/viterbi_detector.cc b/lib/receiver/viterbi_detector.cc
index 6a64a2c..3dce379 100644
--- a/lib/receiver/viterbi_detector.cc
+++ b/lib/receiver/viterbi_detector.cc
@@ -56,7 +56,8 @@
*/
#include <gnuradio/gr_complex.h>
-#include <gsm_constants.h>
+#include <grgsm/gsm_constants.h>
+#include <cmath>
#define PATHS_NUM (1 << (CHAN_IMP_RESP_LENGTH-1))