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Stan Math Library
2.20.0
reverse mode automatic differentiation
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#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/scal/fun/constants.hpp>
#include <stan/math/prim/scal/fun/square.hpp>
#include <stan/math/prim/scal/fun/inv_square.hpp>
#include <cmath>
Go to the source code of this file.
Namespaces | |
stan | |
stan::math | |
Matrices and templated mathematical functions. | |
Functions | |
template<typename T > | |
T | stan::math::trigamma_impl (const T &x) |
Return the trigamma function applied to the argument. More... | |
double | stan::math::trigamma (double u) |
Return the second derivative of the log Gamma function evaluated at the specified argument. More... | |
double | stan::math::trigamma (int u) |
Return the second derivative of the log Gamma function evaluated at the specified argument. More... | |