mirror of
https://github.com/ptitSeb/Serious-Engine
synced 2024-11-23 02:40:26 +01:00
46 lines
1.0 KiB
C++
46 lines
1.0 KiB
C++
/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
|
|
|
|
#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. */
|
|
|