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if_else.hpp
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1 #ifndef STAN_MATH_PRIM_SCAL_FUN_IF_ELSE_HPP
2 #define STAN_MATH_PRIM_SCAL_FUN_IF_ELSE_HPP
3
4 #include <boost/math/tools/promotion.hpp>
5
6 namespace stan {
7 namespace math {
8
23 template <typename T_true, typename T_false>
24 inline typename boost::math::tools::promote_args<T_true, T_false>::type
25 if_else(const bool c, const T_true y_true, const T_false y_false) {
26 return c ? y_true : y_false;
27 }
28
29 }
30 }
31
32 #endif
stan::math::if_else
boost::math::tools::promote_args< T_true, T_false >::type if_else(const bool c, const T_true y_true, const T_false y_false)
Return the second argument if the first argument is true and otherwise return the second argument...
Definition: if_else.hpp:25

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