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reverse mode automatic differentiation
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stan
math
prim
arr
fun
sum.hpp
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#ifndef STAN_MATH_PRIM_ARR_FUN_SUM_HPP
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#define STAN_MATH_PRIM_ARR_FUN_SUM_HPP
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#include <cstddef>
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#include <vector>
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namespace
stan
{
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namespace
math {
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template
<
typename
T>
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inline
T
sum
(
const
std::vector<T>& xs) {
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if
(xs.size() == 0)
return
0;
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T
sum
(xs[0]);
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for
(
size_t
i = 1; i < xs.size(); ++i)
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sum += xs[i];
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return
sum
;
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}
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}
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}
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#endif
stan::math::sum
fvar< T > sum(const std::vector< fvar< T > > &m)
Return the sum of the entries of the specified standard vector.
Definition:
sum.hpp:20
stan
Definition:
log_sum_exp.hpp:8
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