#ifndef _LIBCPP___RANDOM_CHI_SQUARED_DISTRIBUTION_H
#define _LIBCPP___RANDOM_CHI_SQUARED_DISTRIBUTION_H
#include <__config>
#include <__random/gamma_distribution.h>
#include <__random/is_valid.h>
#include <iosfwd>
#include <limits>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_PUSH_MACROS
#include <__undef_macros>
_LIBCPP_BEGIN_NAMESPACE_STD
template <class _RealType = double>
class _LIBCPP_TEMPLATE_VIS chi_squared_distribution { … };
template <class _CharT, class _Traits, class _RT>
_LIBCPP_HIDE_FROM_ABI basic_ostream<_CharT, _Traits>&
operator<<(basic_ostream<_CharT, _Traits>& __os, const chi_squared_distribution<_RT>& __x) { … }
template <class _CharT, class _Traits, class _RT>
_LIBCPP_HIDE_FROM_ABI basic_istream<_CharT, _Traits>&
operator>>(basic_istream<_CharT, _Traits>& __is, chi_squared_distribution<_RT>& __x) { … }
_LIBCPP_END_NAMESPACE_STD
_LIBCPP_POP_MACROS
#endif