Acceleration.h

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/* Copyright (c) 2023 Skyward Experimental Rocketry
 * Author: Davide Basso
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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 * THE SOFTWARE.
 */
 
#pragma once
 
#include <utils/Constants.h>
 
#include <ratio>
 
#include "Units.h"
 
namespace Boardcore
{
namespace Units
{
namespace Acceleration
{
 
template <class Ratio = std::ratio<1>>
using Acceleration = Unit<UnitKind::Acceleration, Ratio>;
 
template <class ToAcceleration, class FromAcceleration>
ToAcceleration acceleration_cast(FromAcceleration const& from)
{
    return ToAcceleration(from);
}
 
using MeterPerSecondSquared = Acceleration<>;  // Acceleration in m/s^2
using G =
    Acceleration<std::ratio<static_cast<std::intmax_t>(Constants::g * 1e10),
                            static_cast<std::intmax_t>(1e10)>>;  // Acceleration
                                                                 // in Gs
 
static_assert(MeterPerSecondSquared{G{1}}.value() == Constants::g,
              "Not enough precision to represent g in m/s^2");
 
// Floats
constexpr auto operator""_mps2(long double n)
{
    return MeterPerSecondSquared(static_cast<float>(n));
};
constexpr auto operator""_g(long double n) { return G(static_cast<float>(n)); };
// Integers
constexpr auto operator""_mps2(unsigned long long n)
{
    return MeterPerSecondSquared(static_cast<float>(n));
};
constexpr auto operator""_g(unsigned long long n)
{
    return G(static_cast<float>(n));
};
 
}  // namespace Acceleration
}  // namespace Units
}  // namespace Boardcore