diff options
| author | Marcus Müller <marcus.mueller@ettus.com> | 2018-01-27 22:20:23 +0100 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2018-02-03 15:04:43 +0100 |
| commit | a5589c6b85468cf3bf743033f6099665afbfe3a9 (patch) | |
| tree | 2e477f4b36efd63b24c67a7e6f436d6679f777b3 /gnuradio-runtime/lib/math/random.cc | |
| parent | 7c4f0d6ab4886504f4fc879cbb2de5c4bad4a35c (diff) | |
Use logf where dealing with single precision floats
Fixes gnuradio/gnuradio#1561
Diffstat (limited to 'gnuradio-runtime/lib/math/random.cc')
| -rw-r--r-- | gnuradio-runtime/lib/math/random.cc | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/gnuradio-runtime/lib/math/random.cc b/gnuradio-runtime/lib/math/random.cc index 59f2f22bd0..401ba89735 100644 --- a/gnuradio-runtime/lib/math/random.cc +++ b/gnuradio-runtime/lib/math/random.cc @@ -130,8 +130,8 @@ namespace gr { s = x*x+y*y; }while(s >= 1.0f || s == 0.0f); d_gauss_stored = true; - d_gauss_value = x*sqrt(-2.0*log(s)/s); - return y*sqrt(-2.0*log(s)/s); + d_gauss_value = x*sqrtf(-2.0*logf(s)/s); + return y*sqrtf(-2.0*logf(s)/s); } } @@ -139,8 +139,8 @@ namespace gr { random::laplacian() { float z = ran1()-0.5; - if(z>0) return -log(1-2*z); - else return log(1+2*z); + if(z>0) return -logf(1-2*z); + else return logf(1+2*z); } /* @@ -151,7 +151,7 @@ namespace gr { float random::impulse(float factor = 5) { - float z = -M_SQRT2 * log(ran1()); + float z = -M_SQRT2 * logf(ran1()); if(fabsf(z) <= factor) return 0.0; else @@ -167,7 +167,7 @@ namespace gr { float random::rayleigh() { - return sqrt(-2.0 * log(ran1())); + return sqrtf(-2.0 * logf(ran1())); } } /* namespace gr */ |