Range.hpp

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/*------------------------------- phasicFlow ---------------------------------
      O        C enter of
     O O       E ngineering and
    O   O      M ultiscale modeling of
   OOOOOOO     F luid flow
------------------------------------------------------------------------------
  Copyright (C): www.cemf.ir
  email: hamid.r.norouzi AT gmail.com
------------------------------------------------------------------------------
Licence:
  This file is part of phasicFlow code. It is a free software for simulating
  granular and multiphase flows. You can redistribute it and/or modify it under
  the terms of GNU General Public License v3 or any other later versions.
 
  phasicFlow is distributed to help others in their research in the field of
  granular and multiphase flows, but WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
-----------------------------------------------------------------------------*/
#ifndef __Range_hpp__
#define __Range_hpp__
 
#include <Kokkos_Core.hpp>
 
#include "builtinTypes.hpp"
#include "iOstream.hpp"
#include "pFlowMacros.hpp"
#include "typeInfo.hpp"
 
namespace pFlow
{
 
template<typename T>
struct Range : public Kokkos::pair<T, T>
{
    using Pair = Kokkos::pair<T, T>;
 
    TypeInfoTemplateNV11("Range", T)
 
      
 
      INLINE_FUNCTION_HD Range() = default;
 
    INLINE_FUNCTION_HD
    explicit Range(const T& e)
      : Range(0, e)
    {
    }
 
    INLINE_FUNCTION_HD
    Range(const T& s, const T& e)
      : Range::Pair(s, e)
    {
    }
 
    INLINE_FUNCTION_HD
    Range(const Range::Pair& src)
      : Range::Pair(src)
    {
    }
 
    INLINE_FUNCTION_HD
    Range(const Range&) = default;
 
    INLINE_FUNCTION_HD
    Range(Range&&) = default;
 
    INLINE_FUNCTION_HD
    Range& operator=(const Range&) = default;
 
    INLINE_FUNCTION_HD
    Range& operator=(Range&&) = default;
 
    INLINE_FUNCTION_HD
    ~Range() = default;
 
 
    INLINE_FUNCTION_HD
    T& start()
    {
        return this->first;
    }
 
    INLINE_FUNCTION_HD
    T& end()
    {
        return this->second;
    }
 
    INLINE_FUNCTION_HD
    const T& start() const
    {
        return this->first;
    }
 
    INLINE_FUNCTION_HD
    const T& end() const
    {
        return this->second;
    }
 
    INLINE_FUNCTION_HD
    T numElements()
    {
        return end() - start();
    }
 
    INLINE_FUNCTION_HD
    auto getPair() const
    {
        return Pair(this->first, this->second);
    }
};
 
template<typename T>
INLINE_FUNCTION_H iOstream&
operator<<(iOstream& os, const Range<T>& rng)
{
    os << "[" << rng.start() << " " << rng.end() << ")";
    return os;
}
 
using range32 = Range<int32>;
 
using range64 = Range<int64>;
 
using rangeU32 = Range<uint32>;
 
using rangeU64 = Range<uint64>;
 
} // pFlow
 
#endif //__KokkosTypes_hpp__