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-rw-r--r--gr-fec/lib/polar_common.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/gr-fec/lib/polar_common.cc b/gr-fec/lib/polar_common.cc
index 6df8947667..1b2a13137d 100644
--- a/gr-fec/lib/polar_common.cc
+++ b/gr-fec/lib/polar_common.cc
@@ -19,6 +19,7 @@
#include <gnuradio/blocks/pack_k_bits.h>
#include <gnuradio/blocks/unpack_k_bits.h>
+#include <algorithm>
#include <cmath>
#include <iostream>
#include <stdexcept>