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Rename beast sources for consistency

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This commit is contained in:
Vinnie Falco
2013-09-19 06:33:29 -07:00
parent 4e59ab2261
commit 34fffca202
256 changed files with 777 additions and 762 deletions
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176
modules/beast_core/native/win32_FPUFlags.cpp Normal file
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//------------------------------------------------------------------------------
/*
This file is part of Beast: https://github.com/vinniefalco/Beast
Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
FPUFlags FPUFlags::getCurrent ()
{
unsigned int currentControl;
const unsigned int newControl = 0;
const unsigned int mask = 0;
errno_t result = _controlfp_s (&currentControl, newControl, mask);
if (result != 0)
Throw (std::runtime_error ("error in _controlfp_s"));
FPUFlags flags;
flags.setMaskNaNs ((currentControl & _EM_INVALID) == _EM_INVALID);
flags.setMaskDenormals ((currentControl & _EM_DENORMAL) == _EM_DENORMAL);
flags.setMaskZeroDivides ((currentControl & _EM_ZERODIVIDE) == _EM_ZERODIVIDE);
flags.setMaskOverflows ((currentControl & _EM_OVERFLOW) == _EM_OVERFLOW);
flags.setMaskUnderflows ((currentControl & _EM_UNDERFLOW) == _EM_UNDERFLOW);
//flags.setMaskInexacts ((currentControl & _EM_INEXACT) == _EM_INEXACT);
flags.setFlushDenormals ((currentControl & _DN_FLUSH) == _DN_FLUSH);
flags.setInfinitySigned ((currentControl & _IC_AFFINE) == _IC_AFFINE);
Rounding rounding = roundDown;
switch (currentControl & _MCW_RC)
{
case _RC_CHOP:
rounding = roundChop;
break;
case _RC_UP:
rounding = roundUp;
break;
case _RC_DOWN:
rounding = roundDown;
break;
case _RC_NEAR:
rounding = roundNear;
break;
default:
Throw (std::runtime_error ("unknown rounding in _controlfp_s"));
};
flags.setRounding (rounding);
Precision precision = bits64;
switch (currentControl & _MCW_PC )
{
case _PC_64:
precision = bits64;
break;
case _PC_53:
precision = bits53;
break;
case _PC_24:
precision = bits24;
break;
default:
Throw (std::runtime_error ("unknown precision in _controlfp_s"));
};
flags.setPrecision (precision);
return flags;
}
static void setControl (const FPUFlags::Flag& flag,
unsigned int& newControl,
unsigned int& mask,
unsigned int constant)
{
if (flag.is_set ())
{
mask |= constant;
if (flag.value ())
newControl |= constant;
}
}
void FPUFlags::setCurrent (const FPUFlags& flags)
{
unsigned int newControl = 0;
unsigned int mask = 0;
setControl (flags.getMaskNaNs (), newControl, mask, _EM_INVALID);
setControl (flags.getMaskDenormals (), newControl, mask, _EM_DENORMAL);
setControl (flags.getMaskZeroDivides (), newControl, mask, _EM_ZERODIVIDE);
setControl (flags.getMaskOverflows (), newControl, mask, _EM_OVERFLOW);
setControl (flags.getMaskUnderflows (), newControl, mask, _EM_UNDERFLOW);
//setControl (flags.getMaskInexacts(), newControl, mask, _EM_INEXACT);
setControl (flags.getFlushDenormals (), newControl, mask, _DN_FLUSH);
setControl (flags.getInfinitySigned (), newControl, mask, _IC_AFFINE);
if (flags.getRounding ().is_set ())
{
Rounding rounding = flags.getRounding ().value ();
switch (rounding)
{
case roundChop:
mask |= _MCW_RC;
newControl |= _RC_CHOP;
break;
case roundUp:
mask |= _MCW_RC;
newControl |= _RC_UP;
break;
case roundDown:
mask |= _MCW_RC;
newControl |= _RC_DOWN;
break;
case roundNear:
mask |= _MCW_RC;
newControl |= _RC_NEAR;
break;
}
}
if (flags.getPrecision ().is_set ())
{
switch (flags.getPrecision ().value ())
{
case bits64:
mask |= _MCW_PC;
newControl |= _PC_64;
break;
case bits53:
mask |= _MCW_PC;
newControl |= _PC_53;
break;
case bits24:
mask |= _MCW_PC;
newControl |= _PC_24;
break;
}
}
unsigned int currentControl;
errno_t result = _controlfp_s (&currentControl, newControl, mask);
if (result != 0)
Throw (std::runtime_error ("error in _controlfp_s"));
}