60 lines
1.5 KiB
C++
60 lines
1.5 KiB
C++
/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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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