net/iperf/patches/020-math.patch

   1 --- a/src/pdfs.c
   2 +++ b/src/pdfs.c
   3 @@ -80,7 +80,7 @@ float box_muller(void) {
   4             fprintf(stderr, "pdf box_muller() rand() error\n");
   5             return 0;
   6         } else {
   7 -           w = sqrt( (-2.0 * log( w ) ) / w );
   8 +           w = sqrt( (-2.0 * logf( w ) ) / w );
   9             y1 = x1 * w;
  10             y2 = x2 * w;
  11         }
  12 @@ -93,8 +93,8 @@ float normal(float mean, float variance)
  13  }
  14
  15  float lognormal(float mu, float sigma) {
  16 -    float phi = sqrt((mu * mu) + (sigma * sigma));
  17 -    float mu_prime = log(((mu * mu)/phi));
  18 -    float sigma_prime = sqrt(log((phi * phi)/(mu * mu)));
  19 -    return (exp(normal(mu_prime,sigma_prime)));
  20 +    float phi = sqrtf((mu * mu) + (sigma * sigma));
  21 +    float mu_prime = logf(((mu * mu)/phi));
  22 +    float sigma_prime = sqrtf(logf((phi * phi)/(mu * mu)));
  23 +    return (expf(normal(mu_prime,sigma_prime)));
  24  }