mirror of
https://github.com/ptitSeb/Serious-Engine
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46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
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/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
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#ifndef SE_INCL_FLOAT_H
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#define SE_INCL_FLOAT_H
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#ifdef PRAGMA_ONCE
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#pragma once
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#endif
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/*
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* FPU control functions and classes.
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*/
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// FPU precision setting values
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enum FPUPrecisionType {
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FPT_24BIT,
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FPT_53BIT,
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FPT_64BIT,
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};
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/* Get current precision setting of FPU. */
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ENGINE_API enum FPUPrecisionType GetFPUPrecision(void);
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/* Set current precision setting of FPU. */
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ENGINE_API void SetFPUPrecision(enum FPUPrecisionType fptNew);
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/*
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* Class that provides automatic saving/setting/restoring of FPU precision setting.
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*/
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class ENGINE_API CSetFPUPrecision {
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private:
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enum FPUPrecisionType sfp_fptOldPrecision;
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enum FPUPrecisionType sfp_fptNewPrecision;
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public:
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/* Constructor with automatic setting of FPU precision. */
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CSetFPUPrecision(enum FPUPrecisionType fptNew);
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/* Destructor with automatic restoring of FPU precision. */
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~CSetFPUPrecision(void);
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};
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ENGINE_API BOOL IsValidFloat(float f);
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ENGINE_API BOOL IsValidDouble(double f);
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#endif /* include-once check. */
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