Stan Math Library
2.20.0
reverse mode automatic differentiation
stan
math
prim
scal
fun
hypot.hpp
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#ifndef STAN_MATH_PRIM_SCAL_FUN_HYPOT_HPP
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#define STAN_MATH_PRIM_SCAL_FUN_HYPOT_HPP
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#include <
stan/math/prim/meta.hpp
>
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#include <
stan/math/prim/scal/fun/square.hpp
>
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#include <boost/math/tools/promotion.hpp>
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#include <cmath>
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namespace
stan
{
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namespace
math {
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template
<
typename
T1,
typename
T2>
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inline
typename
boost::math::tools::promote_args<T1, T2>::type
hypot
(
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const
T1& x,
const
T2& y) {
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using
std::sqrt
;
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return
sqrt
(
square
(x) +
square
(y));
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}
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}
// namespace math
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}
// namespace stan
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#endif
stan::math::hypot
fvar< T > hypot(const fvar< T > &x1, const fvar< T > &x2)
Return the length of the hypoteneuse of a right triangle with opposite and adjacent side lengths give...
Definition:
hypot.hpp:26
stan::math::sqrt
fvar< T > sqrt(const fvar< T > &x)
Definition:
sqrt.hpp:13
stan
Definition:
log_sum_exp.hpp:8
meta.hpp
square.hpp
stan::math::square
fvar< T > square(const fvar< T > &x)
Definition:
square.hpp:12
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