hash.h

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/** 
 * @file    adaption_gmpxx/hash.h
 * @ingroup gmpxx
 * @author  Sebastian Junges
 * @author  Florian Corzilius
 *
 */
 
#pragma once
 
#ifndef INCLUDED_FROM_NUMBERS_H
static_assert(false, "This file may only be included indirectly by numbers.h");
#endif
 
#include <carl-common/util/hash.h>
#include "include.h"
 
 
#include <cstddef>
#include <functional>
 
namespace std {
 
template<> 
struct hash<mpz_class> {
    std::size_t operator()(const mpz_class& z) const {
        return z.get_ui();
    }
};
 
template<>
struct hash<mpq_class> {
    std::size_t operator()(const mpq_class& q) const {
        return carl::hash_all(q.get_num(), q.get_den());
    }
};
 
}