diff options
Diffstat (limited to 'gr-fec/lib/ber_tools.cc')
| -rw-r--r-- | gr-fec/lib/ber_tools.cc | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gr-fec/lib/ber_tools.cc b/gr-fec/lib/ber_tools.cc index 675932a690..043fbef216 100644 --- a/gr-fec/lib/ber_tools.cc +++ b/gr-fec/lib/ber_tools.cc @@ -20,6 +20,12 @@ * Boston, MA 02110-1301, USA. */ +#include <cstdlib> +#ifdef _MSC_VER +#define _USE_MATH_DEFINES +#include <cmath> +#endif + #include "ber_tools.h" inline int @@ -35,8 +41,13 @@ gaussnoise(float *inbuffer, int buffsize, float sigma) float udrn1=0.0, udrn2=0.0, noise=0.0; for(i = 0; i < buffsize;i++) { + #ifdef _MSC_VER + while((udrn1 = (float)(std::rand())) < 0.0000001); + udrn2 = (float)(std::rand()); + #else while((udrn1 = (float)drand48()) < 0.0000001); udrn2 = (float)drand48(); + #endif noise = sigma*sqrt(-2*log(udrn1))*cos(2*M_PI*udrn2); inbuffer[i] += noise; } |