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if_else.hpp
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1#ifndef STAN_MATH_REV_FUN_IF_ELSE_HPP
2#define STAN_MATH_REV_FUN_IF_ELSE_HPP
3
4#include <stan/math/rev/meta.hpp>
5#include <stan/math/rev/core.hpp>
6
7namespace stan {
8namespace math {
9
18inline var if_else(bool c, const var& y_true, const var& y_false) {
19 return c ? y_true : y_false;
20}
30inline var if_else(bool c, double y_true, const var& y_false) {
31 if (c) {
32 return var(y_true);
33 } else {
34 return y_false;
35 }
36}
46inline var if_else(bool c, const var& y_true, double y_false) {
47 if (c) {
48 return y_true;
49 } else {
50 return var(y_false);
51 }
52}
53
54} // namespace math
55} // namespace stan
56#endif
stan::math::var_value< double >
stan::math::if_else
return_type_t< T_true, T_false > 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:26
stan::math::var
var_value< double > var
Definition var.hpp:1187
stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15