Stan Math Library
2.8.0
reverse mode automatic differentiation
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stan
math
fwd
scal
fun
inv_Phi.hpp
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#ifndef STAN_MATH_FWD_SCAL_FUN_INV_PHI_HPP
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#define STAN_MATH_FWD_SCAL_FUN_INV_PHI_HPP
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#include <
stan/math/fwd/core.hpp
>
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#include <
stan/math/prim/scal/fun/inv_Phi.hpp
>
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#include <
stan/math/prim/scal/fun/constants.hpp
>
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#include <
stan/math/prim/scal/fun/square.hpp
>
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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>
inv_Phi
(
const
fvar<T>
& p) {
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using
stan::math::inv_Phi
;
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using
std::exp
;
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T xv =
inv_Phi
(p.
val_
);
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return
fvar<T>
(xv,
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p.
d_
/
exp
(-0.5 *
square
(xv)) *
SQRT_2_TIMES_SQRT_PI
);
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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::inv_Phi
fvar< T > inv_Phi(const fvar< T > &p)
Definition:
inv_Phi.hpp:15
square.hpp
stan::math::square
fvar< T > square(const fvar< T > &x)
Definition:
square.hpp:15
stan::math::SQRT_2_TIMES_SQRT_PI
const double SQRT_2_TIMES_SQRT_PI
Definition:
constants.hpp:158
stan::math::fvar::val_
T val_
Definition:
fvar.hpp:14
stan::math::exp
fvar< T > exp(const fvar< T > &x)
Definition:
exp.hpp:10
constants.hpp
inv_Phi.hpp
stan::math::fvar
Definition:
fvar.hpp:13
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