varadic_numeric.hpp

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#ifndef VARADIC_NUMERIC_H
#define VARADIC_NUMERIC_H
 
#include <concepts>
namespace hsc_snippets
{
 
    template <typename T>
    concept numeric = std::integral<T> || std::floating_point<T>;
 
    template <numeric T>
    bool lessThanAll(T x, T val)
    {
        return x < val;
    }
    template <numeric T, numeric... Args>
    bool lessThanAll(T x, T val, Args... args)
    {
        if (!(x < val))
            return false;
        return lessThanAll(x, args...);
    }
 
    template <numeric T>
    bool lessThanOrEqualToAll(T x, T val)
    {
        return x <= val;
    }
    template <numeric T, numeric... Args>
    bool lessThanOrEqualToAll(T x, T val, Args... args)
    {
        if (!(x <= val))
            return false;
        return lessThanOrEqualToAll(x, args...);
    }
 
    template <numeric T>
    bool greaterThanAll(T x, T val)
    {
        return x > val;
    }
    template <numeric T, numeric... Args>
    bool greaterThanAll(T x, T val, Args... args)
    {
        if (!(x > val))
            return false;
        return greaterThanAll(x, args...);
    }
 
    template <numeric T>
    bool greaterThanOrEqualToAll(T x, T val)
    {
        return x >= val;
    }
    template <numeric T, numeric... Args>
    bool greaterThanOrEqualToAll(T x, T val, Args... args)
    {
        if (!(x >= val))
            return false;
        return greaterThanOrEqualToAll(x, args...);
    }
 
    template <numeric T>
    T sum(T x)
    {
        return x;
    }
    template <numeric T, numeric... Args>
    T sum(T x, Args... args)
    {
        return x + sum(args...);
    }
 
}
 
#endif // VARADIC_NUMERIC_H