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array_builder.hpp
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1 #ifndef STAN_MATH_PRIM_MAT_FUN_ARRAY_BUILDER_HPP
2 #define STAN_MATH_PRIM_MAT_FUN_ARRAY_BUILDER_HPP
3
4 #include <stan/math/prim/mat/fun/promoter.hpp>
5 #include <vector>
6
7 namespace stan {
8 namespace math {
9
15 template <typename T>
16 struct array_builder {
17 std::vector<T> x_;
18 array_builder() : x_() { }
19 template <typename F>
20 array_builder& add(const F& u) {
21 T t;
22 promoter<F, T>::promote(u, t);
23 x_.push_back(t);
24 return *this;
25 }
26 std::vector<T> array() {
27 return x_;
28 }
29 };
30
31 }
32 }
33 #endif
stan::math::array_builder::x_
std::vector< T > x_
Definition: array_builder.hpp:17
stan
Definition: log_sum_exp.hpp:8
stan::math::array_builder::array
std::vector< T > array()
Definition: array_builder.hpp:26
stan::math::array_builder::add
array_builder & add(const F &u)
Definition: array_builder.hpp:20
stan::math::array_builder::array_builder
array_builder()
Definition: array_builder.hpp:18
promoter.hpp
stan::math::array_builder
Structure for building up arrays in an expression (rather than in statements) using an argumentchaini...
Definition: array_builder.hpp:16
stan::math::promoter::promote
static void promote(const F &u, T &t)
Definition: promoter.hpp:14

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