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2.6.3
probability, sampling & optimization
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stan
math
fwd
scal
fun
asinh.hpp
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#ifndef STAN_MATH_FWD_SCAL_FUN_ASINH_HPP
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#define STAN_MATH_FWD_SCAL_FUN_ASINH_HPP
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#include <math.h>
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#include <
stan/math/fwd/core.hpp
>
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#include <
stan/math/prim/scal/fun/square.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
T>
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inline
fvar<T>
asinh
(
const
fvar<T>
& x) {
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using ::asinh
;
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using
std::sqrt
;
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using
stan::math::square
;
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return
fvar<T>
(
asinh
(x.
val_
), x.
d_
/
sqrt
(
square
(x.
val_
) + 1));
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}
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}
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}
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#endif
core.hpp
stan::math::fvar::d_
T d_
Definition:
fvar.hpp:15
stan::math::sqrt
fvar< T > sqrt(const fvar< T > &x)
Definition:
sqrt.hpp:15
square.hpp
stan::math::square
fvar< T > square(const fvar< T > &x)
Definition:
square.hpp:15
stan::math::fvar::val_
T val_
Definition:
fvar.hpp:14
stan::math::asinh
fvar< T > asinh(const fvar< T > &x)
Definition:
asinh.hpp:13
stan::math::asinh
var asinh(const var &a)
The inverse hyperbolic sine function for variables (C99).
Definition:
asinh.hpp:62
stan::math::fvar
Definition:
fvar.hpp:13
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