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 :  /proc/self/root/usr/include/boost/math/complex/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

//  (C) Copyright John Maddock 2005.
//  Use, modification and distribution are subject to 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_MATH_COMPLEX_ACOSH_INCLUDED
#define BOOST_MATH_COMPLEX_ACOSH_INCLUDED

#ifndef BOOST_MATH_COMPLEX_DETAILS_INCLUDED
#  include <boost/math/complex/details.hpp>
#endif
#ifndef BOOST_MATH_COMPLEX_ATANH_INCLUDED
#  include <boost/math/complex/acos.hpp>
#endif

namespace boost{ namespace math{

template<class T> 
inline std::complex<T> acosh(const std::complex<T>& z)
{
   //
   // We use the relation acosh(z) = +-i acos(z)
   // Choosing the sign of multiplier to give real(acosh(z)) >= 0
   // as well as compatibility with C99.
   //
   std::complex<T> result = boost::math::acos(z);
   if(!(boost::math::isnan)(result.imag()) && signbit(result.imag()))
      return detail::mult_i(result);
   return detail::mult_minus_i(result);
}

} } // namespaces

#endif // BOOST_MATH_COMPLEX_ACOSH_INCLUDED