Automatic Differentiation
 
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abs.hpp
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1#ifndef STAN_MATH_REV_FUN_ABS_HPP
2#define STAN_MATH_REV_FUN_ABS_HPP
3
4#include <stan/math/rev/meta.hpp>
5#include <stan/math/rev/fun/fabs.hpp>
6#include <stan/math/rev/fun/hypot.hpp>
7#include <stan/math/prim/fun/abs.hpp>
8#include <complex>
9
10namespace stan {
11namespace math {
12
40template <typename T>
41inline auto abs(const var_value<T>& a) {
42 return fabs(a);
43}
44
51inline var abs(const std::complex<var>& z) { return internal::complex_abs(z); }
52
53} // namespace math
54} // namespace stan
55#endif
stan::math::var_value
Definition var_value_fwd_declare.hpp:8
stan::math::internal::complex_abs
V complex_abs(const std::complex< V > &z)
Return the absolute value of the complex argument.
Definition abs.hpp:94
stan::math::abs
fvar< T > abs(const fvar< T > &x)
Definition abs.hpp:15
stan::math::fabs
fvar< T > fabs(const fvar< T > &x)
Definition fabs.hpp:16
stan
The lgamma implementation in stan-math is based on either the reentrant safe lgamma_r implementation ...
Definition unit_vector_constrain.hpp:15