mirror of
https://github.com/NGSolve/netgen.git
synced 2024-11-12 00:59:16 +05:00
38 lines
1.1 KiB
C++
38 lines
1.1 KiB
C++
#ifndef NETGEN_CORE_XBOOL_HPP
|
|
#define NETGEN_CORE_XBOOL_HPP
|
|
|
|
/**************************************************************************/
|
|
/* File: xbool.hpp */
|
|
/* Author: Joachim Schoeberl */
|
|
/* Date: 14. Nov. 07 */
|
|
/**************************************************************************/
|
|
|
|
|
|
namespace ngcore
|
|
{
|
|
// an extended bool with values false/maybe/true
|
|
|
|
enum TMAYBE { maybe };
|
|
|
|
class xbool
|
|
{
|
|
uint8_t state;
|
|
|
|
public:
|
|
xbool (bool b) : state(b ? 2 : 0) { ; }
|
|
xbool (TMAYBE x) : state(1) { ; }
|
|
xbool () = default;
|
|
xbool (const xbool &) = default;
|
|
|
|
xbool & operator= (bool b) { state = b ? 2 : 0; return *this; }
|
|
xbool & operator= (TMAYBE x) { state = 1; return *this; }
|
|
|
|
bool IsTrue () const { return state == 2; }
|
|
bool IsMaybe () const { return state == 1; }
|
|
bool IsFalse () const { return state == 0; }
|
|
};
|
|
|
|
} // namespace ngcore
|
|
|
|
#endif // NETGEN_CORE_XBOOL_HPP
|