File content as of revision 1:e25ff4b06ed2:

/*
    File:       Constants.h

    Function:   Contains various constants for VL.

    Author:     Andrew Willmott

    Copyright:  (c) 1999-2001, Andrew Willmott
*/

#ifndef __VLConstants__
#define __VLConstants__

#include <cmath>
#include "Basics.h"


// --- Mathematical constants -------------------------------------------------


#ifdef M_PI
const double          vl_pi = M_PI;
const double          vl_halfPi = M_PI_2;
#elif defined(_PI)
const double          vl_pi = _PI;
const double          vl_halfPi = vl_pi / 2.0;
#else
const double          vl_pi = 3.14159265358979323846;
const double          vl_halfPi = vl_pi / 2.0;
#endif

#ifdef HUGE_VAL
const double        vl_inf = HUGE_VAL;
#endif

enum    ZeroOrOne   { vl_zero = 0, vl_0 = 0, vl_one = 1, vl_I = 1, vl_1 = 1 };
enum    Block       { vl_Z = 0, vl_B = 1, vl_block = 1 };
enum    Axis        { vl_x, vl_y, vl_z, vl_w };
typedef Axis        vl_axis;

const UInt          VL_REF_FLAG = UInt(1) << (sizeof(UInt) * 8 - 1);
const UInt          VL_REF_MASK = (~VL_REF_FLAG);

#endif