diff options
| -rw-r--r-- | gnuradio-core/src/lib/general/gr_fxpt.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gnuradio-core/src/lib/general/gr_fxpt.h b/gnuradio-core/src/lib/general/gr_fxpt.h index 5cf736dfb..9f5937d1a 100644 --- a/gnuradio-core/src/lib/general/gr_fxpt.h +++ b/gnuradio-core/src/lib/general/gr_fxpt.h @@ -26,7 +26,7 @@ #include <gr_types.h> /*! - * \brief fixed point sine and cosine and friend GR_CORE_APIs. + * \brief fixed point sine and cosine and friends. * \ingroup misc * * fixed pt radians @@ -48,6 +48,10 @@ public: static gr_int32 float_to_fixed (float x) { + // Fold x into -PI to PI. + int d = (int)floor(x/2/PI+0.5); + x -= d*2*PI; + // And convert to an integer. return (gr_int32) ((float) x * TWO_TO_THE_31 / PI); } |