st-math.h

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//
// Created by styyx on 12/03/2026.
//
 
#pragma once
 
namespace StyyxUtil
{
    struct MathUtil {

    template <typename T>
    requires std::is_arithmetic_v<T>
    [[deprecated("Use MathUtil::SafelyAddWithCap instead")]]
    static T SafelyAdd(T base, T increment)
    {
        using ForMath = std::conditional_t<std::is_integral_v<T> && sizeof(T) < sizeof(int), int, T>;
 
        const auto a = static_cast<ForMath>(base);
        const auto b = static_cast<ForMath>(increment);
        const auto max = static_cast<ForMath>(std::numeric_limits<T>::max());
 
        return static_cast<T>(a + b > max ? max : a + b);
    }

    template <typename T>
    requires std::is_arithmetic_v<T>
    static T SafelyAddWithCap(T base, T increment, T cap = std::numeric_limits<T>::max()) {
 
        using ForMath = std::conditional_t<std::is_integral_v<T> && sizeof(T) < sizeof(int), int, T>;
 
        const auto a = static_cast<ForMath>(base);
        const auto b = static_cast<ForMath>(increment);
        const auto max = std::min(static_cast<ForMath>(cap), static_cast<ForMath>(std::numeric_limits<T>::max()));
 
        return static_cast<T>(a + b > max ? max : a + b);
    }
};
}