mirror of
https://port.numenaute.org/aleajactaest/khanat-opennel-code.git
synced 2024-12-17 06:38:43 +00:00
101 lines
2.7 KiB
C++
101 lines
2.7 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/>.
|
|
|
|
#include "stdmisc.h"
|
|
|
|
#ifdef NL_OS_WINDOWS
|
|
|
|
#include "nel/misc/check_fpu.h"
|
|
#include "nel/misc/fast_floor.h"
|
|
|
|
|
|
#pragma optimize("", off )
|
|
|
|
|
|
namespace NLMISC
|
|
{
|
|
|
|
|
|
int CFpuChecker::_RefFpuCtrl= 0x00090013;
|
|
|
|
|
|
CFpuChecker::CFpuChecker()
|
|
{
|
|
check();
|
|
}
|
|
CFpuChecker::~CFpuChecker()
|
|
{
|
|
check();
|
|
}
|
|
|
|
void CFpuChecker::dumpFpu(int value)
|
|
{
|
|
nlwarning("_MCW_DN = %s", value & _MCW_DN ? "_DN_FLUSH" : "_DN_SAVE");
|
|
nlwarning("_MCW_EM = %x", _MCW_EM);
|
|
switch(value & _MCW_EM)
|
|
{
|
|
case _EM_INVALID: nlwarning("_EM_INVALID"); break;
|
|
case _EM_DENORMAL: nlwarning("_EM_DENORMAL"); break;
|
|
case _EM_ZERODIVIDE: nlwarning("_EM_ZERODIVIDE"); break;
|
|
case _EM_OVERFLOW: nlwarning("_EM_OVERFLOW"); break;
|
|
case _EM_UNDERFLOW: nlwarning("_EM_UNDERFLOW"); break;
|
|
case _EM_INEXACT: nlwarning("_EM_INEXACT"); break;
|
|
default:
|
|
nlwarning("_MCW_EM = %x", value & _MCW_EM);
|
|
break;
|
|
}
|
|
nlwarning("_MCW_IC = %s", value & _MCW_IC ? "_IC_AFFINE" : "_IC_PROJECTIVE");
|
|
switch(value & _MCW_RC)
|
|
{
|
|
case _RC_CHOP: nlwarning("_RC_CHOP"); break;
|
|
case _RC_UP: nlwarning("_RC_UP"); ; break;
|
|
case _RC_DOWN: nlwarning("_RC_DOWN"); break;
|
|
case _RC_NEAR: nlwarning("_RC_NEAR"); break;
|
|
}
|
|
switch(value & _MCW_PC)
|
|
{
|
|
case _PC_24: nlwarning("_PC_24"); break;
|
|
case _PC_53: nlwarning("_PC_53"); ; break;
|
|
case _PC_64: nlwarning("_PC_64"); break;
|
|
}
|
|
|
|
|
|
}
|
|
|
|
void CFpuChecker::check()
|
|
{
|
|
#if defined(NL_OS_WINDOWS) && defined(NL_COMP_VC6)
|
|
// don't Check if in a user control state
|
|
if (NLMISC::OptFastFloorCWStackPtr != NLMISC::OptFastFloorCWStack) return;
|
|
|
|
// check standard control state
|
|
volatile int cfp = _controlfp(0, 0);
|
|
if ((cfp & ~_MCW_EM) != (_RefFpuCtrl & ~_MCW_EM))
|
|
{
|
|
nlwarning("Ref = ");
|
|
nlwarning("=========================");
|
|
dumpFpu(_RefFpuCtrl);
|
|
nlwarning("Current = ");
|
|
nlwarning("=========================");
|
|
dumpFpu(cfp);
|
|
nlassert(0);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
}
|
|
|
|
#endif // NL_OS_WINDOWS
|