You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 

131 lines
2.6 KiB

#pragma once
#include "traits.h"
#include <vector>
class BaseParameters
{
public:
virtual ~BaseParameters();
};
class BaseData
{
protected:
static constexpr real fillval = 1.0e10;
std::vector<real> data;
std::vector<real> lons, lats;
BaseData(size_t n): data(n), lons(n), lats(n) {}
template<class Lon, class Lat> BaseData(size_t n, Lon genlon, Lat genlat): data(n), lons(n), lats(n)
{
for(size_t i = 0; i < n; i++)
{
lons[i] = genlon(i);
lats[i] = genlat(i);
}
};
public:
BaseData() = default;
const real& V(size_t i) const { return data[i]; }
real& V(size_t i) { return data[i]; }
const real& operator()(size_t i) const { return data[i]; }
real& operator()(size_t i) { return data[i]; }
real Lon(size_t i) const { return lons[i]; }
real Lat(size_t i) const { return lats[i]; }
size_t N() const { return data.size(); }
bool IsFill(size_t i) const { return V(i) == Fillval(); }
static real Fillval() { return fillval; }
explicit operator bool() const { return N() != 0; }
};
template<class Data> class DefaultAverager: public Data
{
static constexpr bool isuv = IsUVData<Data>;
std::vector<size_t> count;
static bool DataOk(const Data* d, size_t i)
{
if constexpr(isuv)
return d->U(i) != Data::Fillval() && d->V(i) != Data::Fillval();
else
return d->V(i) != Data::Fillval();
}
public:
void Add(const Data& d)
{
if(!d) return;
if(!*this)
{
*static_cast<Data*>(this) = d;
count.resize(Data::N());
for(size_t i = 0; i < Data::N(); i++) count[i] = DataOk(this, i) ? 1 : 0;
return;
}
if(Data::N() != d.N()) return;
for(size_t i = 0; i < Data::N(); i++)
if(DataOk(&d, i))
{
if(DataOk(this, i))
{
if constexpr(isuv)
{
Data::U(i) += d.U(i);
Data::U2(i) += d.U2(i);
}
Data::V(i) += d.V(i);
count[i]++;
}
else
{
if constexpr(isuv)
{
Data::U(i) = d.U(i);
Data::U2(i) = d.U2(i);
}
Data::V(i) = d.V(i);
count[i] = 1;
}
}
}
DefaultAverager& Div()
{
if(!*this) return *this;
for(size_t i = 0; i < Data::N(); i++)
if(count[i] != 0)
{
if constexpr(isuv)
{
Data::U(i) /= count[i];
Data::U2(i) /= count[i];
}
Data::V(i) /= count[i];
}
return *this;
}
};
namespace internal
{
template<class Data, class Dummy = void> struct GetAverager_
{
using type = DefaultAverager<Data>;
};
template<class Data> struct GetAverager_<Data, void_<typename Data::Averager>>
{
using type = typename Data::Averager;
};
} // namespace internal
template<class Data> using Averager = internal::GetAverager_<Data>::type;