sol/math/sign.hpp

   1 #if !defined(sol_math_sign_hpp_included)
   2 #define sol_math_sign_hpp_included
   3 /// \addtogroup sol_math
   4 /// \{
   5
   6
   7 /**
   8  * \file sol/math/sign.hpp
   9  * \brief Compile-time sign taking
  10  * \author Sven Suursoho
  11  */
  12
  13
  14 #include <sol/cstdint.hpp>
  15
  16
  17 namespace sol { namespace math {
  18
  19
  20 /// Take sign of V during compile-time
  21 template <intmax_t V>
  22 struct sign
  23 {
  24     /// Has -1 if V is less than zero and 1 otherwise
  25     static int const value = (V < 0) ? -1 : 1;
  26 };
  27
  28
  29 }}  // namespace sol::math
  30
  31
  32 /// \}
  33 #endif  // sol_math_sign_hpp_included