Lines Matching refs:tgamma
65 double x_mean = d.b() * std::tgamma(1 + 1/d.a());
66 double x_var = sqr(d.b()) * std::tgamma(1 + 2/d.a()) - sqr(x_mean);
67 double x_skew = (sqr(d.b())*d.b() * std::tgamma(1 + 3/d.a()) -
70 double x_kurtosis = (sqr(sqr(d.b())) * std::tgamma(1 + 4/d.a()) -
108 double x_mean = d.b() * std::tgamma(1 + 1/d.a());
109 double x_var = sqr(d.b()) * std::tgamma(1 + 2/d.a()) - sqr(x_mean);
110 double x_skew = (sqr(d.b())*d.b() * std::tgamma(1 + 3/d.a()) -
113 double x_kurtosis = (sqr(sqr(d.b())) * std::tgamma(1 + 4/d.a()) -
151 double x_mean = d.b() * std::tgamma(1 + 1/d.a());
152 double x_var = sqr(d.b()) * std::tgamma(1 + 2/d.a()) - sqr(x_mean);
153 double x_skew = (sqr(d.b())*d.b() * std::tgamma(1 + 3/d.a()) -
156 double x_kurtosis = (sqr(sqr(d.b())) * std::tgamma(1 + 4/d.a()) -
