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| author | Tom Rondeau | 2013-02-12 18:22:01 -0500 |
|---|---|---|
| committer | Tom Rondeau | 2013-02-12 18:22:01 -0500 |
| commit | 40c9245a9aa656b4ef1d9962ca57aa967db58e28 (patch) | |
| tree | 636c318b07136ed1c3695fcdc7ac534564f55c33 /gr-analog | |
| parent | 4a9b54a2b860c445401523a4c2fc3be5da8b3afc (diff) | |
| download | gnuradio-40c9245a9aa656b4ef1d9962ca57aa967db58e28.tar.gz gnuradio-40c9245a9aa656b4ef1d9962ca57aa967db58e28.tar.bz2 gnuradio-40c9245a9aa656b4ef1d9962ca57aa967db58e28.zip | |
analog: fix a floating point accuracy issue in the CTCSS squelch block.
Diffstat (limited to 'gr-analog')
| -rw-r--r-- | gr-analog/lib/ctcss_squelch_ff_impl.cc | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/gr-analog/lib/ctcss_squelch_ff_impl.cc b/gr-analog/lib/ctcss_squelch_ff_impl.cc index db49b4f6e..60cd94fdb 100644 --- a/gr-analog/lib/ctcss_squelch_ff_impl.cc +++ b/gr-analog/lib/ctcss_squelch_ff_impl.cc @@ -115,11 +115,12 @@ namespace gr { d_goertzel_c.input(in); d_goertzel_r.input(in); + float rounder = 100000; float d_out_l, d_out_c, d_out_r; if(d_goertzel_c.ready()) { - d_out_l = abs(d_goertzel_l.output()); - d_out_c = abs(d_goertzel_c.output()); - d_out_r = abs(d_goertzel_r.output()); + d_out_l = floor(rounder*abs(d_goertzel_l.output()))/rounder; + d_out_c = floor(rounder*abs(d_goertzel_c.output()))/rounder; + d_out_r = floor(rounder*abs(d_goertzel_r.output()))/rounder; //printf("d_out_l=%f d_out_c=%f d_out_r=%f\n", d_out_l, d_out_c, d_out_r); d_mute = (d_out_c < d_level || d_out_c < d_out_l || d_out_c < d_out_r); |