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reverse mode automatic differentiation
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stan
math
prim
scal
fun
corr_free.hpp
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#ifndef STAN_MATH_PRIM_SCAL_FUN_CORR_FREE_HPP
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#define STAN_MATH_PRIM_SCAL_FUN_CORR_FREE_HPP
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#include <
stan/math/prim/scal/err/check_bounded.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
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T
corr_free
(
const
T y) {
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stan::math::check_bounded<T, double, double>
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(
"stan::math::lub_free"
,
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"Correlation variable"
, y, -1, 1);
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return
atanh
(y);
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}
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}
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}
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#endif
stan::math::atanh
fvar< T > atanh(const fvar< T > &x)
Definition:
atanh.hpp:13
stan::math::corr_free
T corr_free(const T y)
Return the unconstrained scalar that when transformed to a valid correlation produces the specified v...
Definition:
corr_free.hpp:29
stan
Definition:
log_sum_exp.hpp:8
check_bounded.hpp
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