// **************************************************************************
//
//  (C) Copyright 2009   Swiss SIMTEC AG
//
// **************************************************************************
//
//  $HeadURL$
//  $LastChangedBy$
//  $LastChangedDate$
//  $LastChangedRevision$
//
// **************************************************************************

#ifndef CONSTANTS_HPP
#define CONSTANTS_HPP 1


//============================================================================
// additional include file(s)
//============================================================================
#include "Types.hpp"

namespace N_SST
{

//==========================================================================
// constant definitions
//==========================================================================

// Archimedes' Constant
//---------------------
const Float64 PI   = 3.141592653589793;

// Natural Logarithmic Base
//-------------------------
const Float64 E    = 2.718281828459045;

// acceleration due to gravity m/s*s
//----------------------------------
const Float64  G = 9.81;

// Euler's Constant
//-----------------
const Float64 GAMMA = 0.577215664901532;

// Golden Ratio
//-------------
const Float64 PHI   = 1.618033988749894;

const Float64 PI_OVER_2        = PI / 2.0;
const Float64 PI_OVER_4        = PI / 4.0;
const Float64 TWO_PI           = PI * 2.0;
const Float64 ONE_OVER_TWO_PI  = 1.0 / TWO_PI;
const Float64 INV_PI           = 0.318309886183790;
const Float64 INV_E            = 0.367879441171442;

const Float64 INV_PI_OVER_180  = 180.0 / PI;
const Float64 PI_OVER_180      = PI / 180.0;

const Float64 ZERO_CELSIUS_IN_KELVIN = 273.16;

} // namespace N_SST

#endif