81 lines
1.9 KiB
C++
81 lines
1.9 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 2011 Danny Robson <danny@nerdcruft.net>
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*/
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#ifndef __UTIL_TYPES_BITS_HPP
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#define __UTIL_TYPES_BITS_HPP
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#include <cstdint>
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#include <cstddef>
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namespace util {
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template <size_t BITS>
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struct bits_type;
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template <> struct bits_type< 8u> {
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static const bool has_floating = false;
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typedef uint8_t uint;
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typedef int8_t sint;
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typedef uint8_t floating;
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};
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template <> struct bits_type<16u> {
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static const bool has_floating = false;
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typedef uint16_t uint;
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typedef int16_t sint;
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typedef uint16_t floating;
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};
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template <> struct bits_type<32u> {
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static const bool has_floating = true;
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typedef uint32_t uint;
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typedef int32_t sint;
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typedef float floating;
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};
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template <> struct bits_type<64u> {
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static const bool has_floating = true;
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typedef uint64_t uint;
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typedef int64_t sint;
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typedef double floating;
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};
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template <size_t BYTES>
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struct bytes_type : public bits_type<BYTES * 8u>
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{ };
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template <typename T>
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struct sized_type : public bits_type<sizeof(T) * 8u>
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{ };
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template <std::size_t Size>
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using bits_uint_t = typename bits_type<Size>::uint;
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template <std::size_t Size>
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using bytes_uint_t = typename bytes_type<Size>::uint;
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}
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#endif
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