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inv_logit.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_FUN_INV_LOGIT_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_INV_LOGIT_HPP
3
4 #include <cmath>
5
6 namespace stan {
7 namespace math {
8
49 inline double inv_logit(const double a) {
50 using std::exp;
51 return 1.0 / (1.0 + exp(-a));
52 }
53
54 }
55 }
56 #endif
stan
Definition: log_sum_exp.hpp:8
stan::math::inv_logit
fvar< T > inv_logit(const fvar< T > &x)
Definition: inv_logit.hpp:14
stan::math::exp
fvar< T > exp(const fvar< T > &x)
Definition: exp.hpp:10

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