quadrant

eve::quadrant = functor<quadrant_t>

inlineconstexpr

Header file

#include <eve/module/math.hpp>

Callable Signatures

namespace eve
{
   constexpr auto quadrant(value auto n) noexcept;   // 1
}

Parameters

n: value. Must be of integral type or a flint

Return value

return a value of the same type as n containing the quadrant number where n (supposed an integer) lies.

Example

// revision 1
#include <eve/module/math.hpp>
#include <iostream> 
 
eve::wide<float> wf([](auto i, auto c)->float{ return 2*(i-c/2);});
eve::wide<std::int32_t> wi([](auto i, auto c)->std::int32_t{ return i-c/2;});
eve::wide<std::uint32_t> wu([](auto i, auto )->std::uint32_t{ return i;}); 
 
int main()
{ 
   std::cout << "<- wf = " << wf << "\n";
   std::cout << "<- wi = " << wi << "\n";
   std::cout << "<- wu = " << wu << "\n"; 
 
   std::cout << "-> quadrant(wf)= " << eve::quadrant(wf) << "\n";
   std::cout << "-> quadrant(wi)= " << eve::quadrant(wi) << "\n";
   std::cout << "-> quadrant(wu)= " << eve::quadrant(wu) << "\n";
}