[Commit-gnuradio] [gnuradio] 01/03: frequency_modulator_fc: float modulo using cmath

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jcorgan pushed a commit to branch master
in repository gnuradio.

commit 9ae9a10cadec5c1ea7c03677cc685b3a92591967
Author: Marcus Müller <address@hidden>
Date:   Tue Jul 7 16:46:30 2015 +0200

    frequency_modulator_fc: float modulo using cmath
---
 gr-analog/lib/frequency_modulator_fc_impl.cc | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/gr-analog/lib/frequency_modulator_fc_impl.cc 
b/gr-analog/lib/frequency_modulator_fc_impl.cc
index 1158167..812eb8b 100644
--- a/gr-analog/lib/frequency_modulator_fc_impl.cc
+++ b/gr-analog/lib/frequency_modulator_fc_impl.cc
@@ -27,8 +27,7 @@
 #include "frequency_modulator_fc_impl.h"
 #include <gnuradio/io_signature.h>
 #include <gnuradio/fxpt.h>
-#include <math.h>
-#include <boost/math/special_functions/trunc.hpp>
+#include <cmath>
 
 namespace gr {
   namespace analog {
@@ -63,10 +62,9 @@ namespace gr {
       for(int i = 0; i < noutput_items; i++) {
        d_phase = d_phase + d_sensitivity * in[i];
 
-       while(d_phase > (float)(M_PI))
-         d_phase -= (float)(2.0 * M_PI);
-       while(d_phase < (float)(-M_PI))
-         d_phase += (float)(2.0 * M_PI);
+       //place phase in [-pi, +pi[
+       #define F_PI ((float)(M_PI))
+       d_phase   = std::fmod(d_phase + F_PI, 2.0f * F_PI) - F_PI;
 
        float oi, oq;