std_numeric_limits.hpp

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#ifndef STAN_MATH_FWD_CORE_STD_NUMERIC_LIMITS_HPP
#define STAN_MATH_FWD_CORE_STD_NUMERIC_LIMITS_HPP
 
#include <stan/math/fwd/core/fvar.hpp>
#include <limits>
 
namespace std {
 
template <typename T>
struct numeric_limits<stan::math::fvar<T> > {
  static const bool is_specialized;
  static constexpr stan::math::fvar<T> min() {
    return numeric_limits<double>::min();
  }
  static constexpr stan::math::fvar<T> max() {
    return numeric_limits<double>::max();
  }
  static const int digits;
  static const int digits10;
  static const bool is_signed;
  static const bool is_integer;
  static const bool is_exact;
  static const int radix;
  static constexpr stan::math::fvar<T> epsilon() {
    return numeric_limits<double>::epsilon();
  }
  static constexpr stan::math::fvar<T> round_error() {
    return numeric_limits<double>::round_error();
  }
  static constexpr int max_digits10{numeric_limits<T>::max_digits10};
  static const int min_exponent;
  static const int min_exponent10;
  static const int max_exponent;
  static const int max_exponent10;
 
  static const bool has_infinity;
  static const bool has_quiet_NaN;
  static const bool has_signaling_NaN;
 
  static const float_denorm_style has_denorm;
  static const bool has_denorm_loss;
  static constexpr stan::math::fvar<T> infinity() {
    return numeric_limits<double>::infinity();
  }
  static constexpr stan::math::fvar<T> quiet_NaN() {
    return numeric_limits<double>::quiet_NaN();
  }
  static constexpr stan::math::fvar<T> signaling_NaN() {
    return numeric_limits<double>::signaling_NaN();
  }
  static constexpr stan::math::fvar<T> denorm_min() {
    return numeric_limits<double>::denorm_min();
  }
 
  static const bool is_iec559;
  static const bool is_bounded;
  static const bool is_modulo;
 
  static const bool traps;
  static const bool tinyness_before;
  static const float_round_style round_style;
};
 
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_specialized = true;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::digits
    = numeric_limits<double>::digits;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::digits10
    = numeric_limits<double>::digits10;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_signed
    = numeric_limits<double>::is_signed;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_integer
    = numeric_limits<double>::is_integer;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_exact
    = numeric_limits<double>::is_exact;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::radix
    = numeric_limits<double>::radix;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::min_exponent
    = numeric_limits<double>::min_exponent;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::min_exponent10
    = numeric_limits<double>::min_exponent10;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::max_exponent
    = numeric_limits<double>::max_exponent;
template <typename T>
const int numeric_limits<stan::math::fvar<T> >::max_exponent10
    = numeric_limits<double>::max_exponent10;
 
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::has_infinity
    = numeric_limits<double>::has_infinity;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::has_quiet_NaN
    = numeric_limits<double>::has_quiet_NaN;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::has_signaling_NaN
    = numeric_limits<double>::has_signaling_NaN;
template <typename T>
const float_denorm_style numeric_limits<stan::math::fvar<T> >::has_denorm
    = numeric_limits<double>::has_denorm;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::has_denorm_loss
    = numeric_limits<double>::has_denorm_loss;
 
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_iec559
    = numeric_limits<double>::is_iec559;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_bounded
    = numeric_limits<double>::is_bounded;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::is_modulo
    = numeric_limits<double>::is_modulo;
 
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::traps
    = numeric_limits<double>::traps;
template <typename T>
const bool numeric_limits<stan::math::fvar<T> >::tinyness_before
    = numeric_limits<double>::tinyness_before;
template <typename T>
const float_round_style numeric_limits<stan::math::fvar<T> >::round_style
    = numeric_limits<double>::round_style;
 
}  // namespace std
#endif