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reverse mode automatic differentiation
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stan
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prim
scal
fun
lgamma.hpp
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#ifndef STAN_MATH_PRIM_SCAL_FUN_LGAMMA_HPP
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#define STAN_MATH_PRIM_SCAL_FUN_LGAMMA_HPP
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#include <boost/math/special_functions/gamma.hpp>
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namespace
stan
{
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namespace
math {
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// throws domain_error if x is at pole
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double
lgamma
(
double
x) {
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return
boost::math::lgamma
(x);
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}
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}
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}
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#endif
stan::math::lgamma
fvar< T > lgamma(const fvar< T > &x)
Definition:
lgamma.hpp:15
stan
Definition:
log_sum_exp.hpp:8
stan::math::lgamma
var lgamma(const stan::math::var &a)
The log gamma function for variables (C99).
Definition:
lgamma.hpp:35
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