50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2014 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_RATIONAL_HPP
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#define __UTIL_RATIONAL_HPP
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namespace util {
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template <typename T>
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struct rational {
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rational (T _n, T _d);
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rational& operator= (const rational&) = default;
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bool operator== (const rational&);
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explicit operator float (void) const;
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explicit operator double (void) const;
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explicit operator int (void) const;
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rational<T> inverse (void) const;
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rational<T>& invert (void);
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template <typename U> rational<T> operator* (const U&) const;
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template <typename U> rational<T> operator/ (const U&) const;
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T n;
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T d;
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};
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template <typename T, typename U>
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rational<T> operator/ (U, rational<T>);
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}
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#endif
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