mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-23 02:40:26 +01:00
59 lines
1.6 KiB
C++
59 lines
1.6 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd.
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of version 2 of the GNU General Public License as published by
|
|
the Free Software Foundation
|
|
|
|
|
|
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.,
|
|
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */
|
|
|
|
#ifndef SE_INCL_FLOAT_H
|
|
#define SE_INCL_FLOAT_H
|
|
#ifdef PRAGMA_ONCE
|
|
#pragma once
|
|
#endif
|
|
|
|
|
|
/*
|
|
* FPU control functions and classes.
|
|
*/
|
|
|
|
// FPU precision setting values
|
|
enum FPUPrecisionType {
|
|
FPT_24BIT,
|
|
FPT_53BIT,
|
|
FPT_64BIT,
|
|
};
|
|
/* Get current precision setting of FPU. */
|
|
ENGINE_API enum FPUPrecisionType GetFPUPrecision(void);
|
|
/* Set current precision setting of FPU. */
|
|
ENGINE_API void SetFPUPrecision(enum FPUPrecisionType fptNew);
|
|
|
|
/*
|
|
* Class that provides automatic saving/setting/restoring of FPU precision setting.
|
|
*/
|
|
class ENGINE_API CSetFPUPrecision {
|
|
private:
|
|
enum FPUPrecisionType sfp_fptOldPrecision;
|
|
enum FPUPrecisionType sfp_fptNewPrecision;
|
|
public:
|
|
/* Constructor with automatic setting of FPU precision. */
|
|
CSetFPUPrecision(enum FPUPrecisionType fptNew);
|
|
/* Destructor with automatic restoring of FPU precision. */
|
|
~CSetFPUPrecision(void);
|
|
};
|
|
|
|
|
|
ENGINE_API BOOL IsValidFloat(float f);
|
|
ENGINE_API BOOL IsValidDouble(double f);
|
|
|
|
|
|
#endif /* include-once check. */
|
|
|