fixedpoint.h

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// ======================================================================== //
// Copyright 2018 Ingo Wald                                                 //
//                                                                          //
// 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                                  //
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//     http://www.apache.org/licenses/LICENSE-2.0                           //
//                                                                          //
// 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.                                           //
// ======================================================================== //
 
#pragma once
 
#include "gdt/gdt.h"
#include "gdt/math/constants.h"
#include <iostream>
 
namespace gdt {
 
  template<typename storageT, int Nbits, int is_signed>
  struct FixedPoint {
    FixedPoint();
 
    float operator float() const {
      return bits / float((1ULL << Nbits)-1);
    }
    storageT bits;
  };
}