Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/include/boost/numeric/interval/detail/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/* Boost interval/detail/test_input.hpp file
 *
 * Copyright 2002 Hervé Brönnimann, Guillaume Melquiond, Sylvain Pion
 *
 * Distributed under the Boost Software License, Version 1.0.
 * (See accompanying file LICENSE_1_0.txt or
 * copy at http://www.boost.org/LICENSE_1_0.txt)
 */

#ifndef BOOST_NUMERIC_INTERVAL_DETAIL_TEST_INPUT_HPP
#define BOOST_NUMERIC_INTERVAL_DETAIL_TEST_INPUT_HPP

#include <boost/numeric/interval/detail/interval_prototype.hpp>

namespace boost {
namespace numeric {
namespace interval_lib {
namespace user {

template<class T> inline
bool is_zero(T const &v) { return v == static_cast<T>(0); }

template<class T> inline
bool is_neg (T const &v) { return v <  static_cast<T>(0); }

template<class T> inline
bool is_pos (T const &v) { return v >  static_cast<T>(0); }

} // namespace user

namespace detail {

template<class T, class Policies> inline
bool test_input(const interval<T, Policies>& x) {
  typedef typename Policies::checking checking;
  return checking::is_empty(x.lower(), x.upper());
}

template<class T, class Policies1, class Policies2> inline
bool test_input(const interval<T, Policies1>& x, const interval<T, Policies2>& y) {
  typedef typename Policies1::checking checking1;
  typedef typename Policies2::checking checking2;
  return checking1::is_empty(x.lower(), x.upper()) ||
         checking2::is_empty(y.lower(), y.upper());
}

template<class T, class Policies> inline
bool test_input(const T& x, const interval<T, Policies>& y) {
  typedef typename Policies::checking checking;
  return checking::is_nan(x) || checking::is_empty(y.lower(), y.upper());
}

template<class T, class Policies> inline
bool test_input(const interval<T, Policies>& x, const T& y) {
  typedef typename Policies::checking checking;
  return checking::is_empty(x.lower(), x.upper()) || checking::is_nan(y);
}

template<class T, class Policies> inline
bool test_input(const T& x) {
  typedef typename Policies::checking checking;
  return checking::is_nan(x);
}

template<class T, class Policies> inline
bool test_input(const T& x, const T& y) {
  typedef typename Policies::checking checking;
  return checking::is_nan(x) || checking::is_nan(y);
}

} // namespace detail
} // namespace interval_lib
} // namespace numeric
} // namespace boost

#endif // BOOST_NUMERIC_INTERVAL_DETAIL_TEST_INPUT_HPP