literals.hpp

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// Copyright (c) 2020-2023 Simons Foundation
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Authors: Nils Wentzell
 
#pragma once
 
#include "./clef.hpp"
 
namespace nda::clef::literals {
 
  // Define literal placeholders starting from the end of the allowed index spectrum.
#define PH(I)                                                                                                                                        \
  (placeholder<63 - (I)> {})
 
  constexpr auto i_ = PH(0);
 
  constexpr auto j_ = PH(1);
 
  constexpr auto k_ = PH(2);
 
  constexpr auto l_ = PH(3);
 
  constexpr auto bl_ = PH(4);
 
  constexpr auto w_ = PH(5);
 
  constexpr auto iw_ = PH(6);
 
  constexpr auto W_ = PH(7);
 
  constexpr auto iW_ = PH(8);
 
  constexpr auto t_ = PH(9);
 
  constexpr auto tau_ = PH(10);
 
#undef PH
 
} // namespace nda::clef::literals