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53 lines
1.4 KiB
C++
53 lines
1.4 KiB
C++
/* Copyright (C) 2020 MariaDB Corporation
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#pragma once
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#include <type_traits>
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#include "mcs_int128.h"
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namespace utils
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{
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template <typename T>
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typename std::enable_if<std::is_unsigned<T>::value || datatypes::is_uint128_t<T>::value, bool>::type
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is_nonnegative(T)
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{
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return true;
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};
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template <typename T>
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typename std::enable_if<std::is_signed<T>::value || datatypes::is_int128_t<T>::value, bool>::type
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is_nonnegative(T v)
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{
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return v >= 0;
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};
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template <typename T>
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typename std::enable_if<std::is_unsigned<T>::value || datatypes::is_uint128_t<T>::value, bool>::type
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is_negative(T)
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{
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return false;
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};
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template <typename T>
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typename std::enable_if<std::is_signed<T>::value || datatypes::is_int128_t<T>::value, bool>::type is_negative(
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T v)
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{
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return v < 0;
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};
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} // namespace utils
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