sinh.hpp

Go to the documentation of this file.

#ifndef STAN_MATH_REV_FUN_SINH_HPP
#define STAN_MATH_REV_FUN_SINH_HPP
 
#include <stan/math/prim/core.hpp>
#include <stan/math/prim/meta.hpp>
#include <stan/math/prim/fun/isinf.hpp>
#include <stan/math/prim/fun/sinh.hpp>
#include <stan/math/rev/meta.hpp>
#include <stan/math/rev/core.hpp>
#include <stan/math/rev/fun/exp.hpp>
#include <cmath>
#include <complex>
 
namespace stan {
namespace math {
 
inline var sinh(const var& a) {
  return make_callback_var(std::sinh(a.val()), [a](const auto& vi) mutable {
    a.adj() += vi.adj() * std::cosh(a.val());
  });
}
 
template <typename VarMat, require_var_matrix_t<VarMat>* = nullptr>
inline auto sinh(const VarMat& a) {
  return make_callback_var(
      a.val().array().sinh().matrix(), [a](const auto& vi) mutable {
        a.adj() += vi.adj().cwiseProduct(a.val().array().cosh().matrix());
      });
}
 
inline std::complex<var> sinh(const std::complex<var>& z) {
  return stan::math::internal::complex_sinh(z);
}
 
}  // namespace math
}  // namespace stan
#endif