26 #include <initializer_list> 29 namespace Experimental {
32 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
36 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
38 HistFromImpl(
std::unique_ptr<typename THist<DIMENSIONS, PRECISION, STAT...>::ImplBase_t> pHistImpl);
52 template <int DIMENSIONS, class PRECISION, template <int D_, class P_, template <class P__> class S_> class... STAT>
70 static constexpr
int GetNDim() noexcept {
return DIMENSIONS; }
90 explicit THist(std::array<TAxisConfig, DIMENSIONS> axes);
135 std::unique_ptr<ImplBase_t> &&
TakeImpl() noexcept {
return std::move(
fImpl); }
143 void FillN(
const std::span<CoordArray_t> xN,
const std::span<Weight_t> weightN) noexcept
145 fImpl->FillN(xN, weightN);
149 void FillN(
const std::span<CoordArray_t> xN) noexcept {
fImpl->FillN(xN); }
177 friend THist HistFromImpl<>(std::unique_ptr<ImplBase_t>);
181 template <
int DIMENSIONS,
class PRECISION>
182 class THist<DIMENSIONS, PRECISION>:
public THist<DIMENSIONS, PRECISION, THistStatContent> {
189 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
199 template <
int NDIM,
int IDIM,
class DATA,
class... PROCESSEDAXISCONFIG>
203 template <TAxisConfig::EKind KIND>
204 std::unique_ptr<Detail::THistImplBase<DATA>>
206 PROCESSEDAXISCONFIG... processedAxisArgs)
210 using HistImpl_t =
THistImplGen<NDIM, IDIM + 1, DATA, PROCESSEDAXISCONFIG..., NextAxis_t>;
211 return HistImpl_t()(title, axes, processedAxisArgs..., nextAxis);
227 const std::array<TAxisConfig, NDIM> &axes,
228 PROCESSEDAXISCONFIG... processedAxisArgs)
230 switch (axes[IDIM].GetKind()) {
232 case TAxisConfig::kGrow:
return MakeNextAxis<TAxisConfig::kGrow>(title, axes, processedAxisArgs...);
241 template <
int NDIM,
class DATA,
class... PROCESSEDAXISCONFIG>
246 std::unique_ptr<HistImplBase_t>
250 return std::make_unique<HistImplt_t>(title, axisArgs...);
255 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
262 fFillFunc = fImpl->GetFillFunc();
265 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
270 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
275 ret.fFillFunc = pHistImpl->GetFillFunc();
305 template <
int DIMENSIONS,
class PRECISION_TO,
class PRECISION_FROM,
306 template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT_TO,
307 template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT_FROM>
311 auto fillFuncTo = toImpl->GetFillFunc();
312 using HistFrom_t =
THist<DIMENSIONS, PRECISION_FROM, STAT_FROM...>;
314 using FromWeight_t =
typename HistFrom_t::Weight_t;
315 auto add = [fillFuncTo, toImpl](
const FromCoord_t &
x, FromWeight_t
c) {
316 (toImpl->*fillFuncTo)(x,
c);
323 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
324 std::shared_ptr<THistDrawable<DIMENSIONS>>
328 return std::make_unique<THistDrawable<DIMENSIONS>>(hist, opts);
332 template <
int DIMENSIONS,
class PRECISION,
template <
int D_,
class P_,
template <
class P__>
class S_>
class... STAT>
333 std::shared_ptr<THistDrawable<DIMENSIONS>>
337 return std::make_unique<THistDrawable<DIMENSIONS>>(std::move(hist), opts);
std::vector< PRECISION > THistDataDefaultStorage
std::vector has more template arguments; for the default storage we don't care about them...
void FillN(const std::span< CoordArray_t > xN, const std::span< Weight_t > weightN) noexcept
For each coordinate in xN, add weightN[i] to the bin at coordinate xN[i].
static constexpr int GetNDim() noexcept
Number of dimensions of the coordinates.
std::unique_ptr< ImplBase_t > fImpl
The actual histogram implementation.
Namespace for new ROOT classes and functions.
Interface class for THistImpl.
typename ImplBase_t::FillFunc_t FillFunc_t
Pointer type to HistImpl_t::Fill, for faster access.
Generate THist::fImpl from THist constructor arguments.
Iterates over the bins of a THist or THistImpl.
std::unique_ptr< ImplBase_t > && TakeImpl() noexcept
"Steal" the ImplBase_t this THist points to.
const_iterator begin() const
void swap(THist< DIMENSIONS, PRECISION, STAT... > &other) noexcept
Swap *this and other.
const_iterator end() const
THist(const TAxisConfig &xaxis)
Constructor overload that's only available for a 1-dimensional histogram.
Detail::THistBinIter< ImplBase_t > const_iterator
Weight_t GetBinContent(const CoordArray_t &x) const
Get the content of the bin at x.
int64_t GetEntries() const noexcept
Get the number of entries this histogram was filled with.
THist(std::string_view histTitle, const TAxisConfig &xaxis, const TAxisConfig &yaxis, const TAxisConfig &zaxis)
Constructor overload that's only available for a 3-dimensional histogram, also passing the histogram ...
represents a TAxisEquidistant
THist(std::string_view histTitle, const TAxisConfig &xaxis, const TAxisConfig &yaxis)
Constructor overload that's only available for a 2-dimensional histogram, also passing the histogram ...
std::unique_ptr< HistImplBase_t > operator()(std::string_view title, const std::array< TAxisConfig, DATA::GetNDim()> &, PROCESSEDAXISCONFIG... axisArgs)
double GetBinUncertainty(const CoordArray_t &x) const
Get the uncertainty on the content of the bin at x.
PRECISION Weight_t
The type of weights.
THist(const TAxisConfig &xaxis, const TAxisConfig &yaxis)
Constructor overload that's only available for a 2-dimensional histogram.
TCoordArray< DIMENSIONS > CoordArray_t
std::unique_ptr< Detail::THistImplBase< DATA > > MakeNextAxis(std::string_view title, const std::array< TAxisConfig, NDIM > &axes, PROCESSEDAXISCONFIG... processedAxisArgs)
Select the template argument for the next axis type, and "recurse" into THistImplGen for the next axi...
void(THistImplBase::*)(const CoordArray_t &x, Weight_t w) FillFunc_t
Type of the Fill(x, w) function.
Objects used to configure the different axis types.
THist(const TAxisConfig &xaxis, const TAxisConfig &yaxis, const TAxisConfig &zaxis)
Constructor overload that's only available for a 3-dimensional histogram.
A THistImplBase's data, provides accessors to all its statistics.
THist(std::string_view histTitle, const TAxisConfig &xaxis)
Constructor overload that's only available for a 1-dimensional histogram, also passing the histogram ...
THist< DIMENSIONS, PRECISION, STAT... > HistFromImpl(std::unique_ptr< typename THist< DIMENSIONS, PRECISION, STAT... >::ImplBase_t > pHistImpl)
Adopt an external, stand-alone THistImpl. The THist will take ownership.
represents a TAxisIrregular
Hist::CoordArray_t< DATA::GetNDim()> CoordArray_t
Type of the coordinate: a DIMENSIONS-dimensional array of doubles.
Histogram class for histograms with DIMENSIONS dimensions, where each bin count is stored by a value ...
void swap(THist< DIMENSIONS, PRECISION, STAT... > &a, THist< DIMENSIONS, PRECISION, STAT... > &b) noexcept
Swap two histograms.
void Add(THist< DIMENSIONS, PRECISION_TO, STAT_TO... > &to, const THist< DIMENSIONS, PRECISION_FROM, STAT_FROM... > &from)
Add two histograms.
basic_string_view< char > string_view
void FillN(const std::span< CoordArray_t > xN) noexcept
Convenience overload: FillN() with weight 1.
ImplBase_t * GetImpl() const noexcept
Access the ImplBase_t this THist points to.
Hist::AxisIterRange_t< DIMENSIONS > AxisIterRange_t
Range type.
FillFunc_t fFillFunc
! Pinter to THistImpl::Fill() member function
Converts a TAxisConfig of whatever kind to the corresponding TAxisBase-derived object.
typename ImplBase_t::CoordArray_t CoordArray_t
The coordinates type: a DIMENSIONS-dimensional std::array of double.
you should not use this method at all Int_t Int_t Double_t Double_t Double_t Int_t Double_t Double_t Double_t Double_t b
class THist< DIMENSIONS, PRECISION, STAT... > HistFromImpl(std::unique_ptr< typename THist< DIMENSIONS, PRECISION, STAT... >::ImplBase_t > pHistImpl)
Adopt an external, stand-alone THistImpl. The THist will take ownership.
void Fill(const CoordArray_t &x, Weight_t weight=(Weight_t) 1) noexcept
Add weight to the bin containing coordinate x.
typename ImplBase_t::AxisIterRange_t AxisRange_t
Range.
std::unique_ptr< ROOT::Experimental::TObjectDrawable > GetDrawable(const std::shared_ptr< TObject > &obj, const std::string &opt="")
Interface to graphics taking a shared_ptr<TObject>.
#define R__ERROR_HERE(GROUP)
std::unique_ptr< Detail::THistImplBase< DATA > > operator()(std::string_view title, const std::array< TAxisConfig, NDIM > &axes, PROCESSEDAXISCONFIG... processedAxisArgs)
Make a THistImpl-derived object reflecting the TAxisConfig array.