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binary_log_loss.hpp
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1 #ifndef STAN_MATH_FWD_SCAL_FUN_BINARY_LOG_LOSS_HPP
2 #define STAN_MATH_FWD_SCAL_FUN_BINARY_LOG_LOSS_HPP
3
4 #include <stan/math/fwd/core.hpp>
5 #include <stan/math/prim/scal/fun/binary_log_loss.hpp>
6
7 namespace stan {
8 namespace math {
9
10 template <typename T>
11 inline
12 fvar<T>
13 binary_log_loss(const int y, const fvar<T>& y_hat) {
14 if (y)
15 return fvar<T>(binary_log_loss(y, y_hat.val_),
16 -y_hat.d_ / y_hat.val_);
17 else
18 return fvar<T>(binary_log_loss(y, y_hat.val_),
19 y_hat.d_ / (1.0 - y_hat.val_));
20 }
21 }
22 }
23 #endif
core.hpp
stan::math::fvar::d_
T d_
Definition: fvar.hpp:14
stan
Definition: log_sum_exp.hpp:8
stan::math::binary_log_loss
fvar< T > binary_log_loss(const int y, const fvar< T > &y_hat)
Definition: binary_log_loss.hpp:13
binary_log_loss.hpp
stan::math::fvar::val_
T val_
Definition: fvar.hpp:13
stan::math::fvar
Definition: fvar.hpp:12

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