cnorxz/src/pack_num.h
2017-12-12 16:16:09 +01:00

456 lines
13 KiB
C++

// -*- C++ -*-
#ifndef __pack_num_h__
#define __pack_num_h__
#include <cstdlib>
#include <type_traits>
#include <tuple>
#include <memory>
#include "base_def.h"
namespace MultiArrayHelper
{
using namespace MultiArrayTools;
template <typename... T>
std::ostream& operator<<(std::ostream& out, const std::tuple<T...>& tp);
template <size_t N>
struct PackNum
{
template <class IndexType>
static std::shared_ptr<VIWB> getIndex(const IndexType& in, size_t n)
{
if(n == N){
return make_viwb( in.template get<N>() );
}
else {
return PackNum<N-1>::getIndex(in, n);
}
}
/*
template <class IndexType>
static const IndexBase& getIndex(const IndexType& in, size_t n)
{
if(n == N){
return in.template get<N>();
}
else {
return PackNum<N-1>::getIndex(in, n);
}
}*/
template <class IndexType>
static std::shared_ptr<VIWB> getIndexPtr(const IndexType& in, size_t n)
{
if(n == N){
return make_viwb( in.template getPtr<N>() );
}
else {
return PackNum<N-1>::getIndexPtr(in, n);
}
}
/*
template <class... Indices>
static void lock(std::tuple<std::shared_ptr<Indices>...>& ip,
std::shared_ptr<IndexBase> toLock)
{
std::get<N>(ip)->lock(toLock);
PackNum<N-1>::lock(ip, toLock);
}
*/
template <class... Indices>
static void initBlockSizes(std::array<size_t,sizeof...(Indices)+1>& bs,
std::tuple<std::shared_ptr<Indices>...>& ip)
{
std::get<N>(bs) = PackNum<sizeof...(Indices)-N-1>::blockSize(ip);
PackNum<N-1>::initBlockSizes(bs, ip);
}
template <class... Indices>
static inline void pp(std::tuple<std::shared_ptr<Indices>...>& ip)
{
auto& si = *std::get<N>(ip);
if(si.last()){
si = 0;
PackNum<N-1>::pp(ip);
}
else {
++si;
}
}
template <class... Indices>
static inline int pp(std::tuple<std::shared_ptr<Indices>...>& ip,
std::array<size_t,sizeof...(Indices)+1>& bs,
std::intptr_t idxPtrNum)
{
auto& siPtr = std::get<N>(ip);
//VCHECK(siPtr.id());
if(reinterpret_cast<std::intptr_t>(siPtr.get()) == idxPtrNum){
return PackNum<N-1>::pp(ip, bs, idxPtrNum);
}
else {
int tmp = siPtr->pp(idxPtrNum);
if(siPtr->pos() == siPtr->max()){
(*siPtr) = 0;
return PackNum<N-1>::pp(ip, bs, idxPtrNum) - siPtr->max() + 1;
}
else {
return tmp * std::get<N+1>(bs);
}
}
}
template <class... Indices>
static inline void mm(std::tuple<std::shared_ptr<Indices>...>& ip)
{
auto& si = *std::get<N>(ip);
if(si.first()){
si = si.max() - 1;
PackNum<N-1>::mm(ip);
}
else {
--si;
}
}
// !!!!
template <class... Indices>
static inline int mm(std::tuple<std::shared_ptr<Indices>...>& ip,
std::array<size_t,sizeof...(Indices)+1>& bs,
std::intptr_t idxPtrNum)
{
auto& siPtr = std::get<N>(ip);
if(reinterpret_cast<std::intptr_t>(siPtr.get()) == idxPtrNum){
return std::get<N>(bs) + PackNum<N-1>::mm(ip, bs, idxPtrNum);
}
else {
if(siPtr->first()){
(*siPtr) = siPtr->max() - 1;
return PackNum<N-1>::mm(ip, bs, idxPtrNum) - siPtr->max() + 1;
}
else {
return siPtr->mm(idxPtrNum);
}
}
}
template <class RangeTuple>
static size_t getSize(const RangeTuple& rt)
{
return std::get<N>(rt)->size() * PackNum<N-1>::getSize(rt);
}
template <class IndexPack, class MetaType>
static void getMetaPos(MetaType& target,
const IndexPack& source)
{
std::get<N>(target) = std::get<N>(source)->meta();
PackNum<N-1>::getMetaPos(target, source);
}
template <class IndexPack, typename MetaType>
static void setMeta(IndexPack& target, const MetaType& source)
{
std::get<N>(target)->at( std::get<N>(source) );
PackNum<N-1>::setMeta(target, source);
}
template <class IndexPack>
static void setIndexPack(IndexPack& iPack, size_t pos)
{
auto& i = *std::get<N>(iPack).get();
const size_t ownPos = pos % i.max();
i = ownPos;
PackNum<N-1>::setIndexPack(iPack, (pos - ownPos) / i.max() );
}
template <class MRange, class... Indices>
static void construct(std::tuple<std::shared_ptr<Indices>...>& ip,
const MRange& range)
{
typedef typename std::remove_reference<decltype(range.template get<N>())>::type SubRangeType;
typedef typename SubRangeType::IndexType SubIndexType;
typedef typename std::remove_reference<decltype(*std::get<N>(ip).get())>::type TypeFromIndexPack;
static_assert(std::is_same<SubIndexType,TypeFromIndexPack>::value,
"inconsiśtent types");
std::get<N>(ip) = std::shared_ptr<SubIndexType>( new SubIndexType( range.template getPtr<N>() ) );
PackNum<N-1>::construct(ip, range);
}
/*
template <template<class...> class IndexType, class... Indices>
static void copy(std::tuple<std::shared_ptr<Indices>...>& ip,
const IndexType<Indices...>& ind)
{
typedef typename std::remove_reference<decltype(ind.template get<N>())>::type SubIndexType;
std::get<N>(ip) = std::shared_ptr<SubIndexType>( new SubIndexType( ind.template get<N>() ) );
PackNum<N-1>::copy(ip, ind);
}
*/
template <template<class...> class IndexType, class... Indices>
static void copyInst(std::tuple<std::shared_ptr<Indices>...>& ip,
const IndexType<Indices...>& ind)
{
std::get<N>(ip) = ind.template getPtr<N>() ;
PackNum<N-1>::copyInst(ip, ind);
}
template <class... Indices>
static size_t makePos(const std::tuple<std::shared_ptr<Indices>...>& iPtrTup)
{
auto ID = std::get<N>(iPtrTup)->id();
//VCHECK(std::get<N>(iPtrTup)->pos());
//VCHECK(std::get<N>(iPtrTup)->max());
return std::get<N>(iPtrTup)->pos() +
PackNum<N-1>::makePos(iPtrTup) * std::get<N>(iPtrTup)->max();
}
template <class Pack, class IndexType, class... Indices>
static void swapIndices(Pack& ipack, const std::shared_ptr<IndexType>& nind,
const std::shared_ptr<Indices>&... ninds)
{
std::get<std::tuple_size<Pack>::value-N-1>(ipack) = nind;
PackNum<N-1>::swapIndices(ipack, ninds...);
}
template <class... Indices>
static size_t blockSize(const std::tuple<std::shared_ptr<Indices>...>& pack)
{
return std::get<sizeof...(Indices)-N-1>(pack)->max() * PackNum<N-1>::blockSize(pack);
}
template <typename T, class Func, class ArgTuple, class... Args>
static BlockResult<T> unpackArgs(const ArgTuple& tp, const Args&... args)
{
return PackNum<N-1>::template unpackArgs<T,Func>(tp, std::get<N>(tp).get(), args...);
}
template <class... Ops>
static void makeBlockTypeVec(std::vector<std::pair<BlockType,size_t> >& btv,
const std::tuple<Ops...>& ops,
std::shared_ptr<VIWB> idxPtr)
{
auto subvec = std::move( std::get<N>(ops).block(idxPtr) );
btv.insert(btv.end(), subvec.begin(), subvec.end() );
PackNum<N-1>::makeBlockTypeVec(btv, ops, idxPtr);
}
template <typename... T>
static void printTuple(std::ostream& out, const std::tuple<T...>& tp){
out << std::get<sizeof...(T)-N-1>(tp) << ", ";
PackNum<N-1>::printTuple(out, tp);
}
template <class... Ranges>
static void RangesToVec(const std::tuple<std::shared_ptr<Ranges>...>& rst,
std::vector<RangeBase> v)
{
v[N] = std::get<N>(rst);
PackNum<N>::RangesToVec(rst, v);
}
};
template<>
struct PackNum<0>
{
template <class IndexType>
static std::shared_ptr<VIWB> getIndex(const IndexType& in, size_t n)
{
return make_viwb( in.template get<0>() );
}
/*
template <class MultiIndex>
static const IndexBase& getIndex(const MultiIndex& in, size_t n)
{
return in.template get<0>();
}
*/
template <class IndexType>
static std::shared_ptr<VIWB> getIndexPtr(const IndexType& in, size_t n)
{
return make_viwb( in.template get<0>() );
}
/*
template <class... Indices>
static void lock(std::tuple<std::shared_ptr<Indices>...>& ip,
std::shared_ptr<IndexBase> toLock)
{
std::get<0>(ip)->lock(toLock);
}
*/
template <class... Indices>
static void initBlockSizes(std::array<size_t,sizeof...(Indices)+1>& bs,
std::tuple<std::shared_ptr<Indices>...>& ip)
{
std::get<0>(bs) = PackNum<sizeof...(Indices)-1>::blockSize(ip);
}
template <class... Indices>
static inline void pp(std::tuple<std::shared_ptr<Indices>...>& ip)
{
auto& si = *std::get<0>(ip);
++si;
}
template <class... Indices>
static inline int pp(std::tuple<std::shared_ptr<Indices>...>& ip,
std::array<size_t,sizeof...(Indices)+1>& bs,
std::intptr_t idxPtrNum)
{
auto& siPtr = std::get<0>(ip);
if(reinterpret_cast<std::intptr_t>(siPtr.get()) == idxPtrNum){
return std::get<0>(bs);
}
else {
int tmp = siPtr->pp(idxPtrNum);
return tmp * std::get<1>(bs);
}
}
template <class... Indices>
static inline void mm(std::tuple<std::shared_ptr<Indices>...>& ip)
{
auto& si = *std::get<0>(ip);
--si;
}
template <class... Indices>
static inline int mm(std::tuple<std::shared_ptr<Indices>...>& ip,
std::array<size_t,sizeof...(Indices)+1>& bs,
std::intptr_t idxPtrNum)
{
auto& siPtr = std::get<0>(ip);
if(reinterpret_cast<std::intptr_t>(siPtr.get()) == idxPtrNum){
return std::get<0>(bs);
//return 1;
}
else {
return siPtr->mm(idxPtrNum);
}
}
template <class RangeTuple>
static size_t getSize(const RangeTuple& rt)
{
return std::get<0>(rt)->size();
}
template <class IndexPack, class MetaType>
static void getMetaPos(MetaType& target,
const IndexPack& source)
{
std::get<0>(target) = std::get<0>(source)->meta();
}
template <class IndexPack, typename MetaType>
static void setMeta(IndexPack& target, const MetaType& source)
{
std::get<0>(target)->at( std::get<0>( source ) );
}
template <class IndexPack>
static void setIndexPack(IndexPack& iPack, size_t pos)
{
auto& i = *std::get<0>(iPack);
const size_t ownPos = pos % i.max();
i = ownPos;
}
template <class MRange, class... Indices>
static void construct(std::tuple<std::shared_ptr<Indices>...>& ip,
const MRange& range)
{
typedef typename std::remove_reference<decltype(range.template get<0>())>::type SubRangeType;
typedef typename SubRangeType::IndexType SubIndexType;
typedef typename std::remove_reference<decltype(*std::get<0>(ip).get())>::type TypeFromIndexPack;
static_assert(std::is_same<SubIndexType,TypeFromIndexPack>::value,
"inconsiśtent types");
std::get<0>(ip) = std::shared_ptr<SubIndexType>( new SubIndexType( range.template getPtr<0>() ) );
}
/*
template <template<class...> class IndexType, class... Indices>
static void copy(std::tuple<std::shared_ptr<Indices>...>& ip,
const IndexType<Indices...>& ind)
{
typedef typename std::remove_reference<decltype(ind.template get<0>())>::type SubIndexType;
std::get<0>(ip) = std::shared_ptr<SubIndexType>( new SubIndexType( ind.template get<0>() ) );
}
*/
template <template<class...> class IndexType, class... Indices>
static void copyInst(std::tuple<std::shared_ptr<Indices>...>& ip,
const IndexType<Indices...>& ind)
{
std::get<0>(ip) = ind.template getPtr<0>();
}
template <class... Indices>
static size_t makePos(const std::tuple<std::shared_ptr<Indices>...>& iPtrTup)
{
auto ID = std::get<0>(iPtrTup)->id();
//VCHECK(std::get<0>(iPtrTup)->pos());
//VCHECK(std::get<0>(iPtrTup)->max());
return std::get<0>(iPtrTup)->pos();
}
template <class Pack, class IndexType>
static void swapIndices(Pack& ipack, const std::shared_ptr<IndexType>& nind)
{
std::get<std::tuple_size<Pack>::value-1>(ipack) = nind;
}
template <class... Indices>
static size_t blockSize(const std::tuple<std::shared_ptr<Indices>...>& pack)
{
return std::get<sizeof...(Indices)-1>(pack)->max();
}
template <typename T, class Func, class ArgTuple, class... Args>
static BlockResult<T> unpackArgs(const ArgTuple& tp, const Args&... args)
{
static_assert(sizeof...(Args) == std::tuple_size<ArgTuple>::value-1,
"inconsistent number of arguments");
static BlockBinaryOp<T,Func,decltype(std::get<0>(tp).get()), decltype(args)...> f;
return f(std::get<0>(tp).get(), args...);
}
template <class... Ops>
static void makeBlockTypeVec(std::vector<std::pair<BlockType,size_t> >& btv,
const std::tuple<Ops...>& ops,
std::shared_ptr<VIWB> idxPtr)
{
auto subvec = std::move( std::get<0>(ops).block(idxPtr) );
btv.insert(btv.end(), subvec.begin(), subvec.end() );
}
template <typename... T>
static void printTuple(std::ostream& out, const std::tuple<T...>& tp){
out << std::get<sizeof...(T)-1>(tp);
}
template <class... Ranges>
static void RangesToVec(const std::tuple<std::shared_ptr<Ranges>...>& rst,
std::vector<RangeBase> v)
{
v[0] = std::get<0>(rst);
}
};
template <typename... T>
std::ostream& operator<<(std::ostream& out, const std::tuple<T...>& tp)
{
PackNum<sizeof...(T)-1>::printTuple(out, tp);
return out;
}
} // end namespace MultiArrayHelper
#endif