Modified gr_pll_carriertracking to use gr_fast_atan2 rather than atan2

git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@4079 221aa14e-8319-0410-a670-987f0aec2ac5

diff --git a/gnuradio-core/src/lib/general/gr_pll_carriertracking_cc.cc b/gnuradio-core/src/lib/general/gr_pll_carriertracking_cc.cc
index f40709b82244913c7482d2a9fb79a574d982303a..45d9bd940c38c014453cb626129fa27e56ce83c4 100644 (file)
--- a/gnuradio-core/src/lib/general/gr_pll_carriertracking_cc.cc
+++ b/gnuradio-core/src/lib/general/gr_pll_carriertracking_cc.cc
@@ -28,6 +28,7 @@
 #include <gr_io_signature.h>
 #include <gr_sincos.h>
 #include <math.h>
+#include <gr_math.h>
 
 #define M_TWOPI (2*M_PI)
 
@@ -63,7 +64,8 @@ float
 gr_pll_carriertracking_cc::phase_detector(gr_complex sample,float ref_phase)
 {
   float sample_phase;
-  sample_phase = atan2(sample.imag(),sample.real());
+  //  sample_phase = atan2(sample.imag(),sample.real());
+  sample_phase = gr_fast_atan2f(sample.imag(),sample.real());
   return mod_2pi(sample_phase-ref_phase);
 }