60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/*
|
|
Copyright (C) 2012 Paul Davis
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#ifndef __pbd_fpu_h__
|
|
#define __pbd_fpu_h__
|
|
|
|
#include "pbd/libpbd_visibility.h"
|
|
|
|
namespace PBD {
|
|
|
|
class LIBPBD_API FPU {
|
|
private:
|
|
enum Flags {
|
|
HasFlushToZero = 0x1,
|
|
HasDenormalsAreZero = 0x2,
|
|
HasSSE = 0x4,
|
|
HasSSE2 = 0x8,
|
|
HasAVX = 0x10
|
|
};
|
|
|
|
public:
|
|
~FPU ();
|
|
|
|
static FPU* instance();
|
|
static void destroy();
|
|
|
|
bool has_flush_to_zero () const { return _flags & HasFlushToZero; }
|
|
bool has_denormals_are_zero () const { return _flags & HasDenormalsAreZero; }
|
|
bool has_sse () const { return _flags & HasSSE; }
|
|
bool has_sse2 () const { return _flags & HasSSE2; }
|
|
bool has_avx () const { return _flags & HasAVX; }
|
|
|
|
private:
|
|
Flags _flags;
|
|
|
|
static FPU* _instance;
|
|
|
|
FPU ();
|
|
};
|
|
|
|
}
|
|
|
|
#endif /* __pbd_fpu_h__ */
|