43 lines
1.3 KiB
C++
43 lines
1.3 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 2010-2014 Danny Robson <danny@nerdcruft.net>
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*/
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#include "maths.hpp"
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#include <type_traits>
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///////////////////////////////////////////////////////////////////////////////
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template <typename T>
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T
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util::log2up (T v)
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{
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return log2 ((v << 1) - 1);
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}
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template uint32_t util::log2up (uint32_t);
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template uint64_t util::log2up (uint64_t);
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///////////////////////////////////////////////////////////////////////////////
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// Simple instantiations. Some functions aren't used internally to the library
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// so it's easier to instantiate early and check for broken code at library
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// build time.
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template float util::limit (float, float, float);
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template float util::smoothstep (float, float, float);
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template double util::smoothstep (double, double, double);
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