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| author | Sylvain Munaut <tnt@246tNt.com> | 2014-03-18 11:31:27 -0400 |
|---|---|---|
| committer | Tom Rondeau <tom@trondeau.com> | 2014-03-18 11:31:27 -0400 |
| commit | 5764b7959ab7052b0afd61d887f37fccf4cd6965 (patch) | |
| tree | 3a51363dbe04efdc1ef90074c5f030d9e869da32 | |
| parent | e3c403691b97d86f6e08fd194d46147f572ed6ed (diff) | |
math: fix for index lookup of fast_atan2f; prevents a segfault when x=inf and y=inf.
| -rw-r--r-- | gnuradio-runtime/lib/math/fast_atan2f.cc | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gnuradio-runtime/lib/math/fast_atan2f.cc b/gnuradio-runtime/lib/math/fast_atan2f.cc index 2cafeec520..20e21be32b 100644 --- a/gnuradio-runtime/lib/math/fast_atan2f.cc +++ b/gnuradio-runtime/lib/math/fast_atan2f.cc @@ -148,7 +148,7 @@ namespace gr { else { /* find index and interpolation value */ alpha = z * (float)TAN_MAP_SIZE - .5; - index = (int)alpha; + index = (int)alpha & 0xff; alpha -= (float)index; /* determine base angle based on quadrant and */ /* add or subtract table value from base angle based on quadrant */ |