63 lines
1.6 KiB
C++
63 lines
1.6 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 2010 Danny Robson <danny@nerdcruft.net>
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*/
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#include "random.hpp"
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#include "range.hpp"
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#include <type_traits>
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using namespace util;
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namespace util {
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template <typename T>
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T
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random (void) {
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static_assert (std::is_integral<T>::value, "random should only operate on integral types");
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return range<T>::UNLIMITED.random ();
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}
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template <>
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double
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random (void)
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{ return range<double>::UNIT.random (); }
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template <>
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float
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random (void)
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{ return range<float>::UNIT.random (); }
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template <>
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bool
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random (void)
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{ return rand () & 0x01; }
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template <typename T>
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T&
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randomise (T &val)
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{ return val = util::random<T> (); }
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}
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template double util::random (void);
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template float util::random (void);
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template uint64_t util::random (void);
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template uint32_t util::random (void);
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template uint16_t util::random (void);
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