Math_Defines.h

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//------------------------------------------------------------------------------
//! @file       Math_Defines.h
//! @brief      Diverse mathematical defines header file.
//! @attention  No special attention requered.
//! @copyright  (C) 2017-2020 ANVILEX LLC
//!             $HeadURL: https://192.168.3.4:8443/svn/P004_07/ConOpSys/Defines/Math_Defines.h $
//!             $Revision: 2877 $
//!             $Date: 2021-10-18 23:04:26 +0500 (Mo, 18 Okt 2021) $
//!             $Author: minch $
//------------------------------------------------------------------------------
//
// Redistribution and use in source and binary forms, with or without
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//
// 1. Redistributions of source code must retain the above copyright notice,
//    this list of conditions and the following disclaimer.
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//    this list of conditions and the following disclaimer in the documentation
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//------------------------------------------------------------------------------
 
#pragma once
 
//------------------------------------------------------------------------------
 
#include "Defines.h"
 
#include <math.h>
 
//------------------------------------------------------------------------------
// Pi constanant defines
//------------------------------------------------------------------------------
 
//! @brief Definition of Pi as F32
const F32 f32_Pi = (F32)3.141592653589793238f;
 
//! @brief Definition of Pi as F64
const F64 f64_Pi = (F64)3.141592653589793238;
 
//! @brief Definition of Pi as F80
const F80 f80_Pi = (F80)3.141592653589793238L;
 
//------------------------------------------------------------------------------
// Pi related constants
//------------------------------------------------------------------------------
 
// X * Pi - constants
#define f32_Pi_MUL_2        (F32)( (F32)2.0f * f32_Pi )
#define f32_Pi_MUL_3        (F32)( (F32)3.0f * f32_Pi )
 
// 1 / ( X * Pi ) - constants
#define f32_1_DIV_Pi_MUL_2  (F32)( (F32)1.0f / ( (F32)2.0f * f32_Pi ) )
 
// X / Pi - constants
#define f32_2_DIV_Pi        (F32)( (F32)2.0f / f32_Pi )
 
// Pi / X - constants
#define f32_Pi_DIV_2        (F32)( f32_Pi / (F32)2.0f )
#define f32_Pi_DIV_3        (F32)( f32_Pi / (F32)3.0f )
#define f32_Pi_DIV_4        (F32)( f32_Pi / (F32)4.0f )
#define f32_Pi_DIV_5        (F32)( f32_Pi / (F32)5.0f )
#define f32_Pi_DIV_6        (F32)( f32_Pi / (F32)6.0f )
#define f32_Pi_DIV_7        (F32)( f32_Pi / (F32)7.0f )
#define f32_Pi_DIV_8        (F32)( f32_Pi / (F32)8.0f )
#define f32_Pi_DIV_9        (F32)( f32_Pi / (F32)9.0f )
#define f32_Pi_DIV_10       (F32)( f32_Pi / (F32)10.0f )
#define f32_Pi_DIV_11       (F32)( f32_Pi / (F32)11.0f )
#define f32_Pi_DIV_12       (F32)( f32_Pi / (F32)12.0f )
 
#define f32_Pi_MUL_2_DIV_3  (F32)( f32_Pi * ( (F32)2.0f / (F32)3.0f ) )
 
//--------------------------------------------------------------------------------
// Other common used constants
//--------------------------------------------------------------------------------
 
#define f32_1_DIV_3         (F32)( (F32)1.0f / (F32)3.0f )
#define f32_2_DIV_3         (F32)( (F32)2.0f / (F32)3.0f )
 
#define f32_1_DIV_SQRT_2    (F32)( (F32)1.0f / sqrtf( (F32)2.0f ) )
#define f32_1_DIV_SQRT_3    (F32)( (F32)1.0f / sqrtf( (F32)3.0f ) )
#define f32_2_DIV_SQRT_3    (F32)( (F32)2.0f / sqrtf( (F32)3.0f ) )
 
#define f32_SQRT_2          (F32)1.414213562373095f
 
//#define f32_SQRT_3_DIV_2    (F32)( sqrtf( (F32)3.0f ) * (F32)0.5f )
#define f32_SQRT_3_DIV_2    (F32)( (F32)1.732050807568877f * (F32)0.5f )
 
//------------------------------------------------------------------------------
// End of file
//------------------------------------------------------------------------------