151 lines
2.4 KiB
C++
151 lines
2.4 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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//
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// Copyright 2008-2016 Conrad Sanderson (https://conradsanderson.id.au)
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// Copyright 2008-2016 National ICT Australia (NICTA)
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//
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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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// https://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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//! \addtogroup cond_rel
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//! @{
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//
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// for preventing pedantic compiler warnings
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template<bool do_eval>
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struct cond_rel
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{
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template<typename eT> static constexpr bool lt(const eT A, const eT B);
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template<typename eT> static constexpr bool gt(const eT A, const eT B);
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template<typename eT> static constexpr bool leq(const eT A, const eT B);
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template<typename eT> static constexpr bool geq(const eT A, const eT B);
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template<typename eT> static constexpr eT make_neg(const eT val);
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};
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<true>::lt(const eT A, const eT B)
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{
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return (A < B);
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<false>::lt(const eT, const eT)
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{
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return false;
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<true>::gt(const eT A, const eT B)
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{
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return (A > B);
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<false>::gt(const eT, const eT)
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{
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return false;
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<true>::leq(const eT A, const eT B)
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{
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return (A <= B);
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<false>::leq(const eT, const eT)
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{
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return false;
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<true>::geq(const eT A, const eT B)
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{
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return (A >= B);
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}
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template<>
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template<typename eT>
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constexpr
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bool
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cond_rel<false>::geq(const eT, const eT)
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{
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return false;
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}
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template<>
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template<typename eT>
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constexpr
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eT
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cond_rel<true>::make_neg(const eT val)
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{
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return -val;
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}
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template<>
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template<typename eT>
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constexpr
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eT
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cond_rel<false>::make_neg(const eT)
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{
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return eT(0);
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}
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//! @}
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