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-rw-r--r--gr-analog/lib/agc3_cc_impl.cc2
-rw-r--r--gr-analog/lib/phase_modulator_fc_impl.cc2
-rw-r--r--gr-analog/lib/pll_refout_cc_impl.cc2
3 files changed, 3 insertions, 3 deletions
diff --git a/gr-analog/lib/agc3_cc_impl.cc b/gr-analog/lib/agc3_cc_impl.cc
index 489029b667..d663d6d7d1 100644
--- a/gr-analog/lib/agc3_cc_impl.cc
+++ b/gr-analog/lib/agc3_cc_impl.cc
@@ -12,7 +12,7 @@
#include "config.h"
#endif
-#include <float.h>
+#include <cfloat>
#include <vector>
#include "agc3_cc_impl.h"
diff --git a/gr-analog/lib/phase_modulator_fc_impl.cc b/gr-analog/lib/phase_modulator_fc_impl.cc
index eb67d0a608..5b0cac4f9e 100644
--- a/gr-analog/lib/phase_modulator_fc_impl.cc
+++ b/gr-analog/lib/phase_modulator_fc_impl.cc
@@ -15,7 +15,7 @@
#include "phase_modulator_fc_impl.h"
#include <gnuradio/io_signature.h>
#include <gnuradio/sincos.h>
-#include <math.h>
+#include <cmath>
namespace gr {
namespace analog {
diff --git a/gr-analog/lib/pll_refout_cc_impl.cc b/gr-analog/lib/pll_refout_cc_impl.cc
index 7aa184d978..1cd327f8d5 100644
--- a/gr-analog/lib/pll_refout_cc_impl.cc
+++ b/gr-analog/lib/pll_refout_cc_impl.cc
@@ -15,7 +15,7 @@
#include "pll_refout_cc_impl.h"
#include <gnuradio/io_signature.h>
#include <gnuradio/sincos.h>
-#include <math.h>
+#include <cmath>
namespace gr {
namespace analog {