diff options
| author | Nathan West <nathan.west@okstate.edu> | 2013-11-06 05:43:27 -0600 |
|---|---|---|
| committer | Johnathan Corgan <johnathan@corganlabs.com> | 2013-11-06 09:16:02 -0800 |
| commit | 59ab46d521d11b9ad14da5221cb7fa269ab9dea7 (patch) | |
| tree | fd2db33d1da5c3416d12d4c2dfae1c567c131c41 /gnuradio-runtime/lib/math/fast_atan2f.cc | |
| parent | 311b871d33494e380cd9b03de7841a2080f67bde (diff) | |
runtime: add qa for fast_atan2f, removed a float equality test
Diffstat (limited to 'gnuradio-runtime/lib/math/fast_atan2f.cc')
| -rw-r--r-- | gnuradio-runtime/lib/math/fast_atan2f.cc | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gnuradio-runtime/lib/math/fast_atan2f.cc b/gnuradio-runtime/lib/math/fast_atan2f.cc index 3555cf50ec..3c4967d9ab 100644 --- a/gnuradio-runtime/lib/math/fast_atan2f.cc +++ b/gnuradio-runtime/lib/math/fast_atan2f.cc @@ -128,13 +128,13 @@ namespace gr { float alpha, angle, base_angle; int index; - /* don't divide by zero! */ // FIXME could get hosed with -0.0 - if((y == 0.0) && (x == 0.0)) - return 0.0; - /* normalize to +/- 45 degree range */ y_abs = fabsf(y); x_abs = fabsf(x); + /* don't divide by zero! */ + if((y_abs < 1.5E-5) && (x_abs < 1.5E-5)) + return 0.0; + //z = (y_abs < x_abs ? y_abs / x_abs : x_abs / y_abs); if(y_abs < x_abs) z = y_abs / x_abs; |