#ifndef LIBAXX_LIBCXX_CMATH
#define LIBAXX_LIBCXX_CMATH

#include_next <cmath>

#include "type_traits"

namespace std {

template <class _A1> inline constexpr typename enable_if<is_floating_point<_A1>::value, bool>::type __libcpp_isnan_or_builtin(_A1 __lcpp_x) noexcept {
  return __builtin_isnan(__lcpp_x);
}

template <class _A1> inline constexpr typename enable_if<is_floating_point<_A1>::value, bool>::type __libcpp_isinf_or_builtin(_A1 __lcpp_x) noexcept {
  return __builtin_isinf(__lcpp_x);
}

template <class _A1> inline constexpr typename enable_if<is_floating_point<_A1>::value, bool>::type __libcpp_isfinite_or_builtin(_A1 __lcpp_x) noexcept {
  return __builtin_isfinite(__lcpp_x);
}

inline float abs(float __lcpp_x) noexcept {
  return fabsf(__lcpp_x);
}

inline double abs(double __lcpp_x) noexcept {
  return fabs(__lcpp_x);
}

}

#endif