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-rw-r--r--gnuradio-runtime/include/gnuradio/math.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/gnuradio-runtime/include/gnuradio/math.h b/gnuradio-runtime/include/gnuradio/math.h
index ec4cfb014f..d611c98c95 100644
--- a/gnuradio-runtime/include/gnuradio/math.h
+++ b/gnuradio-runtime/include/gnuradio/math.h
@@ -27,6 +27,7 @@
#ifndef _GR_MATH_H_
#define _GR_MATH_H_
+#include <cmath>
#include <gnuradio/api.h>
#include <gnuradio/gr_complex.h>