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2.8.0
reverse mode automatic differentiation
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stan
math
fwd
mat
fun
log_determinant.hpp
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#ifndef STAN_MATH_FWD_MAT_FUN_LOG_DETERMINANT_HPP
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#define STAN_MATH_FWD_MAT_FUN_LOG_DETERMINANT_HPP
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#include <
stan/math/prim/mat/fun/Eigen.hpp
>
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#include <
stan/math/fwd/core.hpp
>
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#include <
stan/math/fwd/mat/fun/typedefs.hpp
>
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#include <
stan/math/fwd/mat/fun/determinant.hpp
>
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#include <
stan/math/fwd/scal/fun/fabs.hpp
>
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#include <
stan/math/fwd/scal/fun/log.hpp
>
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#include <
stan/math/prim/mat/err/check_square.hpp
>
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#include <boost/math/tools/promotion.hpp>
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#include <vector>
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namespace
stan {
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namespace
math {
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template
<
typename
T,
int
R,
int
C>
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inline
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fvar<T>
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log_determinant
(
const
Eigen::Matrix<
fvar<T>
, R, C>& m) {
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stan::math::check_square
(
"log_determinant"
,
"m"
, m);
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return
stan::math::log
(
stan::math::fabs
(
stan::math::determinant
(m)));
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}
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}
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}
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#endif
typedefs.hpp
core.hpp
stan::math::fabs
fvar< T > fabs(const fvar< T > &x)
Definition:
fabs.hpp:14
log.hpp
stan::math::log
fvar< T > log(const fvar< T > &x)
Definition:
log.hpp:15
fabs.hpp
stan::math::log_determinant
fvar< T > log_determinant(const Eigen::Matrix< fvar< T >, R, C > &m)
Definition:
log_determinant.hpp:20
determinant.hpp
stan::math::determinant
fvar< T > determinant(const Eigen::Matrix< fvar< T >, R, C > &m)
Definition:
determinant.hpp:21
Eigen.hpp
stan::math::check_square
bool check_square(const char *function, const char *name, const Eigen::Matrix< T_y, Eigen::Dynamic, Eigen::Dynamic > &y)
Return true if the specified matrix is square.
Definition:
check_square.hpp:28
stan::math::fvar
Definition:
fvar.hpp:13
check_square.hpp
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