DataTypes.h

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//
//  This file is part of VirtualFluids. VirtualFluids is free software: you can
//  redistribute it and/or modify it under the terms of the GNU General Public
//  License as published by the Free Software Foundation, either version 3 of
//  the License, or (at your option) any later version.
//
//  VirtualFluids is distributed in the hope that it will be useful, but WITHOUT
//  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
//  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
//  for more details.
//
//  SPDX-License-Identifier: GPL-3.0-or-later
//  SPDX-FileCopyrightText: Copyright © VirtualFluids Project contributors, see AUTHORS.md in root folder
//
//=======================================================================================
#ifndef DATATYPES_H
#define DATATYPES_H
 
#include <limits>
#include <string>
 
#ifdef VF_DOUBLE_ACCURACY
using real = double;
#else
using real = float;
#endif
 
using realLim = std::numeric_limits<real>;
 
using uint = unsigned int;
#define INVALID_INDEX 4294967295 // max uint
 
struct real3
{
    real x, y, z;
};
 
constexpr real3 operator+(const real3& a, const real3& b)
{
    return { a.x + b.x, a.y + b.y, a.z + b.z };
}
 
constexpr void operator+=(real3& a, const real3& b)
{
    a.x += b.x; a.y += b.y; a.z += b.z;
}
 
constexpr real3 operator-(const real3& a, const real3& b)
{
    return { a.x - b.x, a.y - b.y, a.z - b.z };
}
 
constexpr real3 operator*(const real3& a, real b)
{
    return { a.x * b, a.y * b, a.z * b };
}
 
constexpr real3 operator*(real a, const real3& b)
{
    return { a * b.x, a * b.y, a * b.z };
}
 
constexpr real3 operator/(const real3& a, real b)
{
    return { a.x / b, a.y / b, a.z / b };
}
 
constexpr real3 operator/(const real3& a, const real3& b)
{
    return { a.x / b.x, a.y / b.y, a.z / b.z };
}
 
constexpr void operator/=(real3& a, real b)
{
    a.x /= b;
    a.y /= b;
    a.z /= b;
}
 
constexpr real dot(const real3& a, const real3& b)
{
    return a.x * b.x + a.y * b.y + a.z * b.z;
}
 
constexpr real square(const real3& a)
{
    return a.x * a.x + a.y * a.y + a.z * a.z;
}
 
constexpr bool operator==(const real3& a, const real3& b)
{
    return a.x == b.x && a.y == b.y && a.z == b.z;
}
 
#endif