khanat-opennel-code/code/nel/include/nel/misc/check_fpu.h
2013-07-27 04:03:05 +02:00

53 lines
1.3 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#ifndef NL_CHECK_FPU_H
#define NL_CHECK_FPU_H
namespace NLMISC
{
class CFpuChecker
{
private:
static int _RefFpuCtrl;
void check();
void dumpFpu(int value);
public:
CFpuChecker();
~CFpuChecker();
};
}
// Enable define. Normal State is 0, to save CPU speed.
#define NL_CHECK_FPU_CONTROL_WORD 0
// Use those Macros
#if NL_CHECK_FPU_CONTROL_WORD
#define FPU_CHECKER NLMISC::CFpuChecker __fpc__;
#define FPU_CHECKER_ONCE { NLMISC::CFpuChecker __fpc__; }
#else
#define FPU_CHECKER
#define FPU_CHECKER_ONCE
#endif
#endif // NL_CHECK_FPU_H