Stan Math Library
2.14.0
reverse mode automatic differentiation
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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check_bounded
(
"lub_free"
,
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"Correlation variable"
, y, -1.0, 1.0);
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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)
Return inverse hyperbolic tangent of specified value.
Definition:
atanh.hpp:21
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:28
stan::math::check_bounded
void check_bounded(const char *function, const char *name, const T_y &y, const T_low &low, const T_high &high)
Check if the value is between the low and high values, inclusively.
Definition:
check_bounded.hpp:90
stan
Definition:
log_sum_exp.hpp:8
check_bounded.hpp
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