message: Implement convert_to_int(double)
diff: @@ -132,6 +132,12 @@ inline int convert_to_int(float a)
  return static_cast<int>(a);
  }
  +MATH_FUNC
  +inline int convert_to_int(double a)
  +{
  + return static_cast<int>(a);
  +}
  +
  MATH_FUNC
  inline int convert_to_int(bool a)
  {
  