#pragma once

#include <cstdint> //uint64_t
#include <cmath> // std::abs

#include "utils/vector.h"
#include "utils/matrix.h"

namespace numerics::detail{
	


	template <typename T>
	void inplace_sign_serial(T& c) {
		if (c < T{0}){
			c = T{-1};
		}
		else if(c > T{0}){
			c = T{1};
		}
		else{
			c = T{0};
		}
	}
		
	template <typename T>
	void inplace_sign_serial(utils::Vector<T>& v) {
		const uint64_t n = v.size();
		for (uint64_t i = 0; i < n; ++i){
			inplace_sign_serial(v[i]);
		}
	}


	template <typename T>
	void inplace_sign_serial(utils::Matrix<T>& A) {
	    const uint64_t rows = A.rows();
	    const uint64_t cols = A.cols();
		for (uint64_t i = 0; i < rows; ++i){
			for (uint64_t j = 0; j < cols; ++j){
				inplace_sign_serial(A(i,j));
			}
		}
	}


} // namespace numerics