marenv.h

#pragma once
 
#if defined(_WIN32) || defined(_WIN64)
    #ifdef MARENV_EXPORTS
        #define MARENV_API __declspec(dllexport)
    #else
        #define MARENV_API __declspec(dllimport)
    #endif
#else
    #define MARENV_API
#endif
 
 
namespace marenv
{
constexpr double PI              = 3.14159265358979323846; 
constexpr double gravity         = 9.81; 
constexpr double seawaterDensity = 1025.0; 
constexpr double airDensity      = 1.2; 
 
enum class Status
{
    OK, 
    OUT_OF_RANGE_INACCURATE, 
    NOT_APPLICABLE_NOT_SET, 
    ERROR_NOT_SET, 
    NOT_IMPLEMENTED 
};
 
constexpr bool IsUsable(Status status) noexcept
{
    return status == Status::OK || status == Status::OUT_OF_RANGE_INACCURATE;
}
 
namespace detail
{
constexpr int StatusRank(Status status) noexcept
{
    if (status == Status::OK) return 0;
    return status == Status::OUT_OF_RANGE_INACCURATE ? 1 : 2;
}
} // namespace detail
 
inline Status& operator+=(Status& lhs, Status rhs) noexcept
{
    // A worse rhs replaces lhs; at equal rank the higher enum value wins (only rank 2 holds more than one status)
    const int rankRhs = detail::StatusRank(rhs);
    const int rankLhs = detail::StatusRank(lhs);
    if (rankRhs > rankLhs || (rankRhs == rankLhs && rhs > lhs)) lhs = rhs;
    return lhs;
}
 
inline Status& operator&=(Status& lhs, Status rhs) noexcept
{
    lhs += rhs;
    return lhs;
}
 
inline Status operator&(Status lhs, Status rhs) noexcept
{
    lhs &= rhs;
    return lhs;
}
 
struct MARENV_API NoCopyNoMove
{
 
    NoCopyNoMove()                               = default;
    NoCopyNoMove(const NoCopyNoMove&)            = delete;
    NoCopyNoMove& operator=(const NoCopyNoMove&) = delete;
    NoCopyNoMove(NoCopyNoMove&&)                 = delete;
    NoCopyNoMove& operator=(NoCopyNoMove&&)      = delete;
 
};
 
struct MoveNoCopy
{
 
    MoveNoCopy()                             = default;
    MoveNoCopy(const MoveNoCopy&)            = delete;
    MoveNoCopy& operator=(const MoveNoCopy&) = delete;
    MoveNoCopy(MoveNoCopy&&)                 = default;
    MoveNoCopy& operator=(MoveNoCopy&&)      = default;
 
};
 
} // namespace marenv