FastVec.h

Go to the documentation of this file.

//============================================================================
//  The contents of this file are covered by the Viskores license. See
//  LICENSE.txt for details.
//
//  By contributing to this file, all contributors agree to the Developer
//  Certificate of Origin Version 1.1 (DCO 1.1) as stated in DCO.txt.
//============================================================================
 
//============================================================================
//  Copyright (c) Kitware, Inc.
//  All rights reserved.
//  See LICENSE.txt for details.
//
//  This software is distributed WITHOUT ANY WARRANTY; without even
//  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
//  PURPOSE.  See the above copyright notice for more information.
//============================================================================
#ifndef viskores_exec_internal_FastVec_h
#define viskores_exec_internal_FastVec_h
 
#include <viskores/Types.h>
#include <viskores/VecVariable.h>
 
namespace viskores
{
namespace exec
{
namespace internal
{
 
template <typename VecType, viskores::IdComponent MaxSize>
class FastVec
{
public:
  using Type = viskores::VecVariable<typename VecType::ComponentType, MaxSize>;
 
  explicit VISKORES_EXEC FastVec(const VecType& vec)
    : Vec(vec)
  {
  }
 
  VISKORES_EXEC const Type& Get() const { return this->Vec; }
 
private:
  Type Vec;
};
 
template <typename ComponentType,
          viskores::IdComponent NumComponents,
          viskores::IdComponent MaxSize>
class FastVec<viskores::Vec<ComponentType, NumComponents>, MaxSize>
{
public:
  using Type = viskores::Vec<ComponentType, NumComponents>;
 
  explicit VISKORES_EXEC FastVec(const Type& vec)
    : Vec(vec)
  {
    VISKORES_ASSERT(vec.GetNumberOfComponents() <= MaxSize);
  }
 
  VISKORES_EXEC const Type& Get() const { return this->Vec; }
 
private:
  const Type& Vec;
};
 
template <typename ComponentType, viskores::IdComponent MaxSize1, viskores::IdComponent MaxSize2>
class FastVec<viskores::VecVariable<ComponentType, MaxSize1>, MaxSize2>
{
public:
  using Type = viskores::VecVariable<ComponentType, MaxSize1>;
 
  explicit VISKORES_EXEC FastVec(const Type& vec)
    : Vec(vec)
  {
    VISKORES_ASSERT(vec.GetNumberOfComponents() <= MaxSize2);
  }
 
  VISKORES_EXEC const Type& Get() const { return this->Vec; }
 
private:
  const Type& Vec;
};
}
}
} // viskores::exec::internal
 
#endif // viskores_exec_internal_FastVec_h