Function random_lognormal

numpy/random/src/distributions/distributions.c:524–526

}

double random_lognormal(bitgen_t *bitgen_state, double mean, double sigma) {
  return exp(random_normal(bitgen_state, mean, sigma));
}

double random_rayleigh(bitgen_t *bitgen_state, double mode) {
  return mode * sqrt(2.0 * random_standard_exponential(bitgen_state));