comparisons.hpp

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#ifndef SANISIZER_COMPARISONS_HPP
#define SANISIZER_COMPARISONS_HPP
 
#include <type_traits>
 
namespace sanisizer {
 
template<typename Left_, typename Right_>
constexpr bool is_equal(Left_ l, Right_ r) {
    return static_cast<typename std::make_unsigned<Left_>::type>(l) == static_cast<typename std::make_unsigned<Right_>::type>(r);
}
 
template<typename Left_, typename Right_>
constexpr bool is_less_than(Left_ l, Right_ r) {
    return static_cast<typename std::make_unsigned<Left_>::type>(l) < static_cast<typename std::make_unsigned<Right_>::type>(r);
}
 
template<typename Left_, typename Right_>
constexpr bool is_greater_than_or_equal(Left_ l, Right_ r) {
    return !is_less_than(l, r);
}
 
template<typename Left_, typename Right_>
constexpr bool is_greater_than(Left_ l, Right_ r) {
    return static_cast<typename std::make_unsigned<Left_>::type>(l) > static_cast<typename std::make_unsigned<Right_>::type>(r);
}
 
template<typename Left_, typename Right_>
constexpr bool is_less_than_or_equal(Left_ l, Right_ r) {
    return !is_greater_than(l, r);
}
 
}
 
#endif