135 for (
Int_t i = 0; i <
n; i++) {
153 for (
Int_t i = 0; i <
n; i++) {
172 for (
Int_t i = 0; i <
n; i++) {
173 fX[i] = start+i*step;
269 if (
fX)
delete []
fX;
270 if (
fY)
delete []
fY;
302 fX[i] = vx(i + ivxlow);
303 fY[i] = vy(i + ivylow);
321 fX[i] = vx(i + ivxlow);
322 fY[i] = vy(i + ivylow);
333 Error(
"TGraph",
"Pointer to histogram is null");
337 if (
h->GetDimension() != 1) {
338 Error(
"TGraph",
"Histogram must be 1-D; h %s is %d-D",
h->GetName(),
h->GetDimension());
349 fY[i] =
h->GetBinContent(i + 1);
351 h->TAttLine::Copy(*
this);
352 h->TAttFill::Copy(*
this);
353 h->TAttMarker::Copy(*
this);
355 std::string gname =
"Graph_from_" + std::string(
h->GetName());
376 Error(
"TGraph",
"Pointer to function is null");
381 if (coption ==
'i' || coption ==
'I')
fNpoints++;
391 if (coption ==
'i' || coption ==
'I') {
393 if (i == 0)
fY[i] = 0;
394 else fY[i] = integ + ((
TF1*)
f)->Integral(
fX[i] - dx,
fX[i]);
396 }
else if (coption ==
'd' || coption ==
'D') {
397 fX[i] =
xmin + (i + 0.5) * dx;
398 fY[i] = ((
TF1*)
f)->Derivative(
fX[i]);
400 fX[i] =
xmin + (i + 0.5) * dx;
404 if (integ != 0 && coption ==
'I') {
405 for (i = 1; i <
fNpoints; i++)
fY[i] /= integ;
408 f->TAttLine::Copy(*
this);
409 f->TAttFill::Copy(*
this);
410 f->TAttMarker::Copy(*
this);
442 std::ifstream infile(fname.
Data());
443 if (!infile.good()) {
445 Error(
"TGraph",
"Cannot open file: %s, TGraph is Zombie",
filename);
456 if (strcmp(
option,
"") == 0) {
458 while (std::getline(infile,
line,
'\n')) {
479 Error(
"TGraph",
"Incorrect input format! Allowed formats are {\"%%lg\",\"%%*lg\" or \"%%*s\"}");
484 Error(
"TGraph",
"Incorrect input format! Only %d tag(s) in format whereas 2 \"%%lg\" tags are expected!", ntokens);
487 Int_t ntokensToBeSaved = 0 ;
489 for (
Int_t idx = 0; idx < ntokens; idx++) {
491 if (isTokenToBeSaved[idx] == 1) {
495 if (ntokens >= 2 && ntokensToBeSaved != 2) {
496 Error(
"TGraph",
"Incorrect input format! There are %d \"%%lg\" tag(s) in format whereas 2 and only 2 are expected!", ntokensToBeSaved);
497 delete [] isTokenToBeSaved ;
503 char * token = NULL ;
505 Int_t token_idx = 0 ;
507 Int_t value_idx = 0 ;
511 while (std::getline(infile,
line,
'\n')) {
513 if (
line[
line.size() - 1] ==
char(13)) {
517 token = R__STRTOK_R(
const_cast<char *
>(
line.c_str()),
option, &rest);
518 while (token != NULL && value_idx < 2) {
519 if (isTokenToBeSaved[token_idx]) {
523 isLineToBeSkipped =
kTRUE ;
530 token = R__STRTOK_R(NULL,
option, &rest);
533 if (!isLineToBeSkipped && value_idx == 2) {
540 isLineToBeSkipped =
kFALSE ;
548 delete [] isTokenToBeSaved ;
597 for (
Int_t i = 0; i < Narrays; ++i)
600 for (
Int_t i = 0; i < Narrays; ++i)
601 newarrays[i] =
new Double_t[arraySize];
630 opt =
b ?
b->GetDrawOption() :
"alp";
631 opt = (opt ==
"") ?
"alp" : opt.
Data();
655 Error(
"Chisquare",
"Function pointer is Null - return -1");
671 Double_t xl = 0, yl = 0, xr = 0, yr = 0;
682 return gr->
fX[left] >
gr->
fX[right];
690 return gr->
fY[left] >
gr->
fY[right];
757 if (ibegin < 0 || iend <= ibegin || obegin < 0) {
760 if (!arrays && ibegin == obegin) {
765 memmove(&arrays[0][obegin], &
fX[ibegin],
n);
766 memmove(&arrays[1][obegin], &
fY[ibegin],
n);
768 memmove(&
fX[obegin], &
fX[ibegin],
n);
769 memmove(&
fY[obegin], &
fY[ibegin],
n);
827 if (!
gPad->GetListOfPrimitives()->FindObject(
"TFrame")) opt =
"alp";
834 if (!
gPad->IsEditable())
gROOT->MakeDefCanvas();
840 gPad->IncrementPaletteColor(1, opt);
929 return spline->
Eval(
x);
942 std::vector<Double_t> xsort(
fNpoints);
943 std::vector<Double_t> ysort(
fNpoints);
944 std::vector<Int_t> indxsort(
fNpoints);
947 xsort[i] =
fX[ indxsort[i] ];
948 ysort[i] =
fY[ indxsort[i] ];
970 if (
fX[low] ==
x)
return fY[low];
985 if (low == -1 ||
fX[i] >
fX[low]) {
988 }
else if (low2 == -1) low2 = i;
989 }
else if (
fX[i] >
x) {
990 if (up == -1 ||
fX[i] <
fX[up]) {
993 }
else if (up2 == -1) up2 = i;
1009 assert(low != -1 && up != -1);
1011 if (
fX[low] ==
fX[up])
return fY[low];
1076 memset(
fX + begin, 0, (end - begin)*
sizeof(
Double_t));
1077 memset(
fY + begin, 0, (end - begin)*
sizeof(
Double_t));
1231 linear = (
char*) strstr(fname,
"++");
1238 Printf(
"Unknown function: %s", fname);
1252 gROOT->MakeDefCanvas();
1255 Error(
"FitPanel",
"Unable to create a default canvas");
1261 if (handler && handler->
LoadPlugin() != -1) {
1263 Error(
"FitPanel",
"Unable to crate the FitPanel");
1265 Error(
"FitPanel",
"Unable to find the FitPanel plug-in");
1274 if (rms1 == 0)
return 0;
1276 if (rms2 == 0)
return 0;
1291 sumxy +=
fX[i] *
fY[i];
1293 return sumxy /
sum - sumx /
sum * sumy /
sum;
1301 if (axis < 1 || axis > 2)
return 0;
1305 if (axis == 1) sumx +=
fX[i];
1316 if (axis < 1 || axis > 2)
return 0;
1322 sumx2 +=
fX[i] *
fX[i];
1325 sumx2 +=
fY[i] *
fY[i];
1405 Double_t rwxmin, rwxmax, rwymin, rwymax, maximum, minimum, dx, dy;
1416 TH1F *historg =
nullptr;
1421 }
else if (
gPad &&
gPad->GetLogy()) {
1432 if (rwxmin == rwxmax) rwxmax += 1.;
1433 if (rwymin == rwymax) rwymax += 1.;
1434 dx = 0.1 * (rwxmax - rwxmin);
1435 dy = 0.1 * (rwymax - rwymin);
1436 uxmin = rwxmin - dx;
1437 uxmax = rwxmax + dx;
1438 minimum = rwymin - dy;
1439 maximum = rwymax + dy;
1446 if (uxmin < 0 && rwxmin >= 0) {
1447 if (
gPad &&
gPad->GetLogx()) uxmin = 0.9 * rwxmin;
1450 if (uxmax > 0 && rwxmax <= 0) {
1451 if (
gPad &&
gPad->GetLogx()) uxmax = 1.1 * rwxmax;
1455 if (minimum < 0 && rwymin >= 0) minimum = 0.9 * rwymin;
1457 if (minimum <= 0 && gPad && gPad->GetLogy()) minimum = 0.001 * maximum;
1458 if (uxmin <= 0 && gPad && gPad->GetLogx()) {
1459 if (uxmax > 1000) uxmin = 1;
1460 else uxmin = 0.001 * uxmax;
1467 const char *gname =
GetName();
1468 if (!gname[0]) gname =
"Graph";
1556 return h->GetXaxis();
1566 return h->GetYaxis();
1583 if (dpx * dpx + dpy * dpy < 25) {
1593 return Form(
"x=%g, y=%g",
x,
y);
1598 return Form(
"x=%g, y=%g, point=%d, xval=%g, yval=%g",
x,
y, ipoint, xval, yval);
1606 Double_t allcha, sumx, sumx2,
x, val, rms, mean;
1616 allcha = sumx = sumx2 = 0;
1617 for (bin = 0; bin <
fNpoints; bin++) {
1619 if (x < xmin || x >
xmax)
continue;
1623 sumx2 += val *
x *
x;
1626 if (
np == 0 || allcha == 0)
return;
1627 mean = sumx / allcha;
1630 if (rms == 0) rms = 1;
1692 for (i = 0; i <
fNpoints - 1; i++) {
1701 for (i = 0; i <
fNpoints - 1; i++) {
1713 if (dpx * dpx + dpy * dpy < 25) ipoint = 0;
1731 Error(
"TGraph",
"Inserted point index should be >= 0");
1736 Error(
"TGraph",
"Inserted point index should be <= %d",
fNpoints);
1792 if (
first >= last)
return 0;
1839 const Int_t idim = 20;
1855 if (
m > idim ||
m >
n)
return;
1857 for (
l = 2;
l <=
m; ++
l) {
1859 b[
m +
l*20 - 21] = zero;
1865 if (xk < xmin || xk >
xmax)
continue;
1870 for (
l = 2;
l <=
m; ++
l) {
1873 da[
l-1] += power * yk;
1875 for (
l = 2;
l <=
m; ++
l) {
1877 b[
m +
l*20 - 21] += power;
1881 for (i = 3; i <=
m; ++i) {
1882 for (k = i; k <=
m; ++k) {
1883 b[k - 1 + (i-1)*20 - 21] =
b[k + (i-2)*20 - 21];
1890 for (i = 1; i <
m; ++i)
a[i] = 0;
1893 for (i = 0; i <
m; ++i)
a[i] = da[i];
1923 xbar = ybar = x2bar = xybar = 0;
1927 if (xk < xmin || xk >
xmax)
continue;
1931 if (yk <= 0) yk = 1
e-9;
1940 det = fn * x2bar - xbar * xbar;
1943 if (fn > 0) a0 = ybar / fn;
1949 a0 = (x2bar * ybar - xbar * xybar) / det;
1950 a1 = (fn * xybar - xbar * ybar) / det;
1968 if (painter) painter->
PaintGraph(
this, npoints,
x,
y, chopt);
1995 printf(
"x[%d]=%g, y[%d]=%g\n", i,
fX[i], i,
fY[i]);
2026 if (dpx * dpx + dpy * dpy < 100) {
2039 if (ipoint < 0)
return -1;
2073 if (fname.
EndsWith(
".csv")) {
del =
','; ext =
"csv";}
2074 else if (fname.
EndsWith(
".tsv")) {
del =
'\t'; ext =
"tsv";}
2075 else if (fname.
EndsWith(
".txt")) {
del =
' '; ext =
"txt";}
2099 out <<
fX[i] <<
del << (exl?exl[i]:0) <<
del << (exh?exh[i]:0) <<
del <<
fY[i] <<
del << (eyl?eyl[i]:0) <<
del << (eyh?eyh[i]:0) << std::endl;
2104 out <<
fX[i] <<
del <<
fY[i] << std::endl;
2120 out <<
" " << std::endl;
2121 static Int_t frameNumber = 0;
2128 out <<
" Double_t " << fXName <<
"[" <<
fNpoints <<
"] = {" << std::endl;
2129 for (i = 0; i <
fNpoints-1; i++) out <<
" " <<
fX[i] <<
"," << std::endl;
2130 out <<
" " <<
fX[
fNpoints-1] <<
"};" << std::endl;
2131 out <<
" Double_t " << fYName <<
"[" <<
fNpoints <<
"] = {" << std::endl;
2132 for (i = 0; i <
fNpoints-1; i++) out <<
" " <<
fY[i] <<
"," << std::endl;
2133 out <<
" " <<
fY[
fNpoints-1] <<
"};" << std::endl;
2135 else out <<
" TGraph *";
2136 out <<
"graph = new TGraph(" <<
fNpoints <<
"," << fXName <<
"," << fYName <<
");" << std::endl;
2139 else out <<
" TGraph *";
2140 out <<
"graph = new TGraph();" << std::endl;
2143 out <<
" graph->SetName(" << quote <<
GetName() << quote <<
");" << std::endl;
2144 out <<
" graph->SetTitle(" << quote <<
GetTitle() << quote <<
");" << std::endl;
2152 hname += frameNumber;
2156 out <<
" " << std::endl;
2162 while ((obj = next())) {
2165 out <<
" graph->GetListOfFunctions()->Add(ptstats);" << std::endl;
2166 out <<
" ptstats->SetParent(graph->GetListOfFunctions());" << std::endl;
2171 out <<
" " << objname <<
"->SetParent(graph);\n";
2173 out <<
" graph->GetListOfFunctions()->Add("
2174 << objname <<
");" << std::endl;
2179 l = strstr(
option,
"multigraph");
2181 out <<
" multigraph->Add(graph," << quote <<
l + 10 << quote <<
");" << std::endl;
2184 l = strstr(
option,
"th2poly");
2186 out <<
" " <<
l + 7 <<
"->AddBin(graph);" << std::endl;
2189 out <<
" graph->Draw(" << quote <<
option << quote <<
");" << std::endl;
2256 if (!painter)
return;
2431 if (greaterfunc ==
TGraph::CompareX && ascending && low == 0 && high == -1111)
2434 if (high == -1111) high =
GetN() - 1;
2436 if (high <= low)
return;
2441 while (left < right) {
2443 while (left <= high && greaterfunc(
this, left, low) != ascending)
2446 while (right > low && greaterfunc(
this, right, low) == ascending)
2448 if (left < right && left < high && right > low)
2454 Sort(greaterfunc, ascending, low, right - 1);
2455 Sort(greaterfunc, ascending, right + 1, high);
2463 if (
b.IsReading()) {
2465 Version_t R__v =
b.ReadVersion(&R__s, &R__c);
2471 while ((obj = next())) {
2540 arr[pos1] = arr[pos2];
2575 while ((obj = next())) {
2591 "Cannot merge - an object which doesn't inherit from TGraph found in the list");
2605 for (
Int_t i = 0 ; i <
g->GetN(); i++) {
2606 g->GetPoint(i,
x,
y);
2644 ,
Int_t maxiterations)
2647 static Int_t j1, it, j3, j2;
2680 if (j1 != 2)
goto L100;
2681 if (ya * Y < 0)
goto L120;
2690 if (it >= maxiterations) k = j1;
2698 if (j1 > 3)
goto L170;
2714 if (it >= maxiterations) k = j1;
2743 x2 = X - Y * (X -
x1) / (Y -
y1);
2747 if ((
x2 -
a)*(
x2 -
b) < 0) {
2749 if (it >= maxiterations) k = j1;
2760 if ((
x2 -
a)*(
x2 -
b) >= 0) {
2765 if (it >= maxiterations) k = j1;
2773 if (j1 != 4)
return;
2784 if (ytest <= 0)
goto L130;
size_t size(const MatrixT &matrix)
retrieve the size of a square matrix
winID h TVirtualViewer3D TVirtualGLPainter p
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char filename
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t del
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t b
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t np
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t result
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void value
Option_t Option_t TPoint TPoint const char x2
Option_t Option_t TPoint TPoint const char x1
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t Float_t Int_t Int_t UInt_t UInt_t Rectangle_t Int_t Int_t Window_t TString Int_t GCValues_t GetPrimarySelectionOwner GetDisplay GetScreen GetColormap GetNativeEvent const char const char dpyName wid window const char font_name cursor keysym reg const char only_if_exist regb h Point_t winding char text const char depth char const char Int_t count const char ColorStruct_t color const char Pixmap_t Pixmap_t PictureAttributes_t attr const char char ret_data h unsigned char height h Atom_t Int_t ULong_t ULong_t unsigned char prop_list Atom_t Atom_t Atom_t Time_t format
Option_t Option_t TPoint TPoint const char GetTextMagnitude GetFillStyle GetLineColor GetLineWidth GetMarkerStyle GetTextAlign GetTextColor GetTextSize void char Point_t Rectangle_t WindowAttributes_t Float_t Float_t g
Option_t Option_t TPoint TPoint const char y1
void H1LeastSquareSeqnd(Int_t n, Double_t *a, Int_t idim, Int_t &ifail, Int_t k, Double_t *b)
Extracted from CERN Program library routine DSEQN.
Binding & operator=(OUT(*fun)(void))
char * Form(const char *fmt,...)
Formats a string in a circular formatting buffer.
void Printf(const char *fmt,...)
Formats a string in a circular formatting buffer and prints the string.
R__EXTERN TStyle * gStyle
R__EXTERN TSystem * gSystem
class describing the range in the coordinates it supports multiple range in a coordinate.
virtual Int_t GetNdivisions() const
virtual void SetTitleOffset(Float_t offset=1)
Set distance between the axis and the axis title.
virtual Style_t GetTitleFont() const
virtual Float_t GetLabelOffset() const
virtual void SetLabelSize(Float_t size=0.04)
Set size of axis labels.
virtual Style_t GetLabelFont() const
virtual void SetTitleFont(Style_t font=62)
Set the title font.
virtual void SetLabelOffset(Float_t offset=0.005)
Set distance between the axis and the labels.
virtual void SetLabelFont(Style_t font=62)
Set labels' font.
virtual void SetTitleSize(Float_t size=0.04)
Set size of axis title.
virtual Float_t GetTitleSize() const
virtual Float_t GetLabelSize() const
virtual Float_t GetTitleOffset() const
virtual void SetNdivisions(Int_t n=510, Bool_t optim=kTRUE)
Set the number of divisions for this axis.
Fill Area Attributes class.
virtual void Streamer(TBuffer &)
virtual Color_t GetFillColor() const
Return the fill area color.
void Copy(TAttFill &attfill) const
Copy this fill attributes to a new TAttFill.
virtual Style_t GetFillStyle() const
Return the fill area style.
virtual void SetFillColor(Color_t fcolor)
Set the fill area color.
virtual void SetFillStyle(Style_t fstyle)
Set the fill area style.
virtual void SaveFillAttributes(std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1001)
Save fill attributes as C++ statement(s) on output stream out.
virtual void Streamer(TBuffer &)
virtual Color_t GetLineColor() const
Return the line color.
virtual void SetLineStyle(Style_t lstyle)
Set the line style.
virtual Width_t GetLineWidth() const
Return the line width.
virtual void SetLineWidth(Width_t lwidth)
Set the line width.
virtual void SetLineColor(Color_t lcolor)
Set the line color.
virtual Style_t GetLineStyle() const
Return the line style.
void Copy(TAttLine &attline) const
Copy this line attributes to a new TAttLine.
Int_t DistancetoLine(Int_t px, Int_t py, Double_t xp1, Double_t yp1, Double_t xp2, Double_t yp2)
Compute distance from point px,py to a line.
virtual void SaveLineAttributes(std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t widdef=1)
Save line attributes as C++ statement(s) on output stream out.
virtual void SaveMarkerAttributes(std::ostream &out, const char *name, Int_t coldef=1, Int_t stydef=1, Int_t sizdef=1)
Save line attributes as C++ statement(s) on output stream out.
virtual Style_t GetMarkerStyle() const
Return the marker style.
virtual void SetMarkerColor(Color_t mcolor=1)
Set the marker color.
virtual Color_t GetMarkerColor() const
Return the marker color.
virtual Size_t GetMarkerSize() const
Return the marker size.
virtual void SetMarkerStyle(Style_t mstyle=1)
Set the marker style.
void Copy(TAttMarker &attmarker) const
Copy this marker attributes to a new TAttMarker.
virtual void Streamer(TBuffer &)
virtual void SetMarkerSize(Size_t msize=1)
Set the marker size.
Class to manage histogram axis.
virtual Bool_t GetTimeDisplay() const
Bool_t GetRotateTitle() const
const char * GetTitle() const override
Returns title of object.
virtual Double_t GetBinCenter(Int_t bin) const
Return center of bin.
Bool_t GetCenterTitle() const
Bool_t GetNoExponent() const
virtual void SetTimeDisplay(Int_t value)
void RotateTitle(Bool_t rotate=kTRUE)
Rotate title by 180 degrees.
void CenterTitle(Bool_t center=kTRUE)
Center axis title.
void SetNoExponent(Bool_t noExponent=kTRUE)
Set the NoExponent flag By default, an exponent of the form 10^N is used when the label value are eit...
virtual void SetLimits(Double_t xmin, Double_t xmax)
virtual const char * GetTimeFormat() const
virtual void SetTimeFormat(const char *format="")
Change the format used for time plotting.
Using a TBrowser one can browse all ROOT objects.
Buffer base class used for serializing objects.
Collection abstract base class.
virtual Bool_t IsEmpty() const
TObject * Clone(const char *newname="") const override
Make a clone of an collection using the Streamer facility.
TDirectory::TContext keeps track and restore the current directory.
virtual Int_t GetValue(const char *name, Int_t dflt) const
Returns the integer value for a resource.
virtual void SetParent(TObject *p=0)
virtual Int_t GetNpar() const
virtual void SetParLimits(Int_t ipar, Double_t parmin, Double_t parmax)
Set lower and upper limits for parameter ipar.
virtual void SetParameter(Int_t param, Double_t value)
Provides an indirection to the TFitResult class and with a semantics identical to a TFitResult pointe...
A TGraph is an object made of two arrays X and Y with npoints each.
virtual Double_t GetPointX(Int_t i) const
Get x value for point i.
virtual Double_t Integral(Int_t first=0, Int_t last=-1) const
Integrate the TGraph data within a given (index) range.
Int_t fNpoints
Number of points <= fMaxSize.
virtual Int_t IsInside(Double_t x, Double_t y) const
Return 1 if the point (x,y) is inside the polygon defined by the graph vertices 0 otherwise.
virtual void LeastSquareFit(Int_t m, Double_t *a, Double_t xmin=0, Double_t xmax=0)
Least squares polynomial fitting without weights.
virtual Double_t Chisquare(TF1 *f1, Option_t *option="") const
Return the chisquare of this graph with respect to f1.
void UseCurrentStyle() override
Set current style settings in this graph This function is called when either TCanvas::UseCurrentStyle...
virtual void SetPoint(Int_t i, Double_t x, Double_t y)
Set x and y values for point number i.
virtual Int_t Merge(TCollection *list)
Adds all graphs from the collection to this graph.
Int_t fMaxSize
!Current dimension of arrays fX and fY
~TGraph() override
Graph default destructor.
Double_t ** ShrinkAndCopy(Int_t size, Int_t iend)
if size*2 <= fMaxSize allocate new arrays of size points, copy points [0,oend).
virtual Double_t GetRMS(Int_t axis=1) const
Return RMS of X (axis=1) or Y (axis=2)
TH1F * fHistogram
Pointer to histogram used for drawing axis.
void Paint(Option_t *chopt="") override
Draw this graph with its current attributes.
@ kNotEditable
Bit set if graph is non editable.
@ kIsHighlight
Bit set if graph is highlight.
@ kIsSortedX
Graph is sorted in X points.
@ kClipFrame
Clip to the frame boundary.
@ kResetHisto
fHistogram must be reset in GetHistogram
@ kNoStats
Don't draw stats box.
virtual Double_t GetErrorXlow(Int_t bin) const
It always returns a negative value.
virtual void MovePoints(Double_t dx, Double_t dy, Bool_t logx=kFALSE, Bool_t logy=kFALSE)
Move all graph points on specified values dx,dy If log argument specified, calculation done in logari...
virtual Double_t GetErrorYlow(Int_t bin) const
It always returns a negative value.
virtual void CopyAndRelease(Double_t **newarrays, Int_t ibegin, Int_t iend, Int_t obegin)
Copy points from fX and fY to arrays[0] and arrays[1] or to fX and fY if arrays == 0 and ibegin !...
Double_t GetMinimum() const
void Print(Option_t *chopt="") const override
Print graph values.
virtual Double_t * GetEYlow() const
virtual void SetMaximum(Double_t maximum=-1111)
Set the maximum of the graph.
virtual Double_t * GetEX() const
static Bool_t CompareY(const TGraph *gr, Int_t left, Int_t right)
Return kTRUE if fY[left] > fY[right]. Can be used by Sort.
static Bool_t CompareRadius(const TGraph *gr, Int_t left, Int_t right)
Return kTRUE if point number "left"'s distance to origin is bigger than that of point number "right".
virtual Double_t GetErrorYhigh(Int_t bin) const
It always returns a negative value.
TClass * IsA() const override
static Bool_t CompareX(const TGraph *gr, Int_t left, Int_t right)
Return kTRUE if fX[left] > fX[right]. Can be used by Sort.
void SaveAs(const char *filename, Option_t *option="") const override
Save the graph as .csv, .tsv or .txt.
TF1 * GetFunction(const char *name) const
Return pointer to function with name.
virtual void LeastSquareLinearFit(Int_t n, Double_t &a0, Double_t &a1, Int_t &ifail, Double_t xmin=0, Double_t xmax=0)
Least square linear fit without weights.
Double_t * fY
[fNpoints] array of Y points
Bool_t CtorAllocate()
In constructors set fNpoints than call this method.
virtual void DrawGraph(Int_t n, const Int_t *x, const Int_t *y, Option_t *option="")
Draw this graph with new attributes.
virtual TFitResultPtr Fit(const char *formula, Option_t *option="", Option_t *goption="", Axis_t xmin=0, Axis_t xmax=0)
Fit this graph with function with name fname.
virtual void Sort(Bool_t(*greater)(const TGraph *, Int_t, Int_t)=&TGraph::CompareX, Bool_t ascending=kTRUE, Int_t low=0, Int_t high=-1111)
Sorts the points of this TGraph using in-place quicksort (see e.g.
static Bool_t CompareArg(const TGraph *gr, Int_t left, Int_t right)
Return kTRUE if point number "left"'s argument (angle with respect to positive x-axis) is bigger than...
virtual void ComputeRange(Double_t &xmin, Double_t &ymin, Double_t &xmax, Double_t &ymax) const
Compute the x/y range of the points in this graph.
char * GetObjectInfo(Int_t px, Int_t py) const override
Implementation to get information on point of graph at cursor position Adapted from class TH1.
Double_t ** AllocateArrays(Int_t Narrays, Int_t arraySize)
Allocate arrays.
virtual void Scale(Double_t c1=1., Option_t *option="y")
Multiply the values of a TGraph by a constant c1.
TList * fFunctions
Pointer to list of functions (fits and user)
virtual Double_t GetCovariance() const
Return covariance of vectors x,y.
static void SwapValues(Double_t *arr, Int_t pos1, Int_t pos2)
Swap values.
void Streamer(TBuffer &) override
Stream an object of class TGraph.
void Zero(Int_t &k, Double_t AZ, Double_t BZ, Double_t E2, Double_t &X, Double_t &Y, Int_t maxiterations)
Find zero of a continuous function.
virtual Double_t ** Allocate(Int_t newsize)
Allocate internal data structures for newsize points.
virtual void FitPanel()
Display a GUI panel with all graph fit options.
void Browse(TBrowser *b) override
Browse.
virtual Bool_t DoMerge(const TGraph *g)
protected function to perform the merge operation of a graph
virtual void InsertPointBefore(Int_t ipoint, Double_t x, Double_t y)
Insert a new point with coordinates (x,y) before the point number ipoint.
TList * GetListOfFunctions() const
void ExecuteEvent(Int_t event, Int_t px, Int_t py) override
Execute action corresponding to one event.
virtual Double_t Eval(Double_t x, TSpline *spline=nullptr, Option_t *option="") const
Interpolate points in this graph at x using a TSpline.
virtual void InitExpo(Double_t xmin=0, Double_t xmax=0)
Compute Initial values of parameters for an exponential.
virtual Int_t RemovePoint()
Delete point close to the mouse position.
virtual void InitGaus(Double_t xmin=0, Double_t xmax=0)
Compute Initial values of parameters for a gaussian.
virtual Bool_t IsHighlight() const
virtual void Apply(TF1 *f)
Apply function f to all the data points f may be a 1-D function TF1 or 2-d function TF2 The Y values ...
void SetName(const char *name="") override
Set graph name.
virtual void SetHighlight(Bool_t set=kTRUE)
Set highlight (enable/disble) mode for the graph by default highlight mode is disable.
virtual void SwapPoints(Int_t pos1, Int_t pos2)
Swap points.
void Draw(Option_t *chopt="") override
Draw this graph with its current attributes.
TAxis * GetXaxis() const
Get x axis of the graph.
Bool_t GetEditable() const
Return kTRUE if kNotEditable bit is not set, kFALSE otherwise.
virtual Double_t * GetEXhigh() const
virtual Double_t GetCorrelationFactor() const
Return graph correlation factor.
virtual void FillZero(Int_t begin, Int_t end, Bool_t from_ctor=kTRUE)
Set zero values for point arrays in the range [begin, end) Should be redefined in descendant classes.
virtual Double_t * GetEYhigh() const
Double_t ** ExpandAndCopy(Int_t size, Int_t iend)
if size > fMaxSize allocate new arrays of 2*size points and copy iend first points.
virtual void Expand(Int_t newsize)
If array sizes <= newsize, expand storage to 2*newsize.
virtual Double_t GetMean(Int_t axis=1) const
Return mean value of X (axis=1) or Y (axis=2)
Double_t * fX
[fNpoints] array of X points
virtual void PaintStats(TF1 *fit)
Draw the stats.
TAxis * GetYaxis() const
Get y axis of the graph.
TObject * FindObject(const char *name) const override
Search object named name in the list of functions.
virtual void SetStats(Bool_t stats=kTRUE)
Set statistics option on/off.
TH1F * GetHistogram() const
Returns a pointer to the histogram used to draw the axis Takes into account the two following cases.
virtual Double_t GetErrorY(Int_t bin) const
It always returns a negative value. Real implementation in TGraphErrors.
virtual Double_t * GetEY() const
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save primitive as a C++ statement(s) on output stream out.
virtual Double_t GetPointY(Int_t i) const
Get y value for point i.
Double_t fMinimum
Minimum value for plotting along y.
void PaintGraph(Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt)
Draw the (x,y) as a graph.
void SetTitle(const char *title="") override
Change (i.e.
virtual Int_t InsertPoint()
Insert a new point at the mouse position.
virtual Double_t * GetEXlow() const
void RecursiveRemove(TObject *obj) override
Recursively remove object from the list of functions.
virtual void SetPointY(Int_t i, Double_t y)
Set y value for point i.
Int_t DistancetoPrimitive(Int_t px, Int_t py) override
Compute distance from point px,py to a graph.
virtual void DrawPanel()
Display a panel with all graph drawing options.
void PaintGrapHist(Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt)
Draw the (x,y) as a histogram.
void SetNameTitle(const char *name="", const char *title="") override
Set graph name and title.
virtual void SetPointX(Int_t i, Double_t x)
Set x value for point i.
virtual void Set(Int_t n)
Set number of points in the graph Existing coordinates are preserved New coordinates above fNpoints a...
virtual Int_t GetPoint(Int_t i, Double_t &x, Double_t &y) const
Get x and y values for point number i.
virtual void SetEditable(Bool_t editable=kTRUE)
if editable=kFALSE, the graph cannot be modified with the mouse by default a TGraph is editable
virtual void SetMinimum(Double_t minimum=-1111)
Set the minimum of the graph.
TGraph()
Graph default constructor.
virtual Bool_t CopyPoints(Double_t **newarrays, Int_t ibegin, Int_t iend, Int_t obegin)
Copy points from fX and fY to arrays[0] and arrays[1] or to fX and fY if arrays == 0 and ibegin !...
Double_t fMaximum
Maximum value for plotting along y.
virtual Double_t GetErrorXhigh(Int_t bin) const
It always returns a negative value.
TGraph & operator=(const TGraph &)
Equal operator for this graph.
virtual void InitPolynom(Double_t xmin=0, Double_t xmax=0)
Compute Initial values of parameters for a polynom.
virtual Double_t GetErrorX(Int_t bin) const
It always returns a negative value. Real implementation in TGraphErrors.
1-D histogram with a float per channel (see TH1 documentation)}
TH1 is the base class of all histogram classes in ROOT.
virtual void SetDirectory(TDirectory *dir)
By default, when a histogram is created, it is added to the list of histogram objects in the current ...
void SetTitle(const char *title) override
See GetStatOverflows for more information.
void UseCurrentStyle() override
Copy current attributes from/to current style.
@ kNoStats
Don't draw stats box.
TAxis * GetXaxis()
Get the behaviour adopted by the object about the statoverflows. See EStatOverflows for more informat...
virtual void SetMaximum(Double_t maximum=-1111)
virtual void SetMinimum(Double_t minimum=-1111)
void SavePrimitive(std::ostream &out, Option_t *option="") override
Save primitive as a C++ statement(s) on output stream out.
void SetName(const char *name) override
Change the name of this histogram.
TObject * Clone(const char *newname="") const override
Make a complete copy of the underlying object.
TObject * FindObject(const char *name) const override
Find an object in this list using its name.
void RecursiveRemove(TObject *obj) override
Remove object from this collection and recursively remove the object from all other objects (and coll...
TObject * Remove(TObject *obj) override
Remove object from the list.
TObject * First() const override
Return the first object in the list. Returns 0 when list is empty.
The TNamed class is the base class for all named ROOT classes.
virtual void SetTitle(const char *title="")
Set the title of the TNamed.
const char * GetName() const override
Returns name of object.
void Streamer(TBuffer &) override
Stream an object of class TObject.
const char * GetTitle() const override
Returns title of object.
TNamed & operator=(const TNamed &rhs)
TNamed assignment operator.
Mother of all ROOT objects.
virtual const char * GetName() const
Returns name of object.
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
virtual void UseCurrentStyle()
Set current style settings in this object This function is called when either TCanvas::UseCurrentStyl...
virtual void AppendPad(Option_t *option="")
Append graphics object to current pad.
virtual void SavePrimitive(std::ostream &out, Option_t *option="")
Save a primitive as a C++ statement(s) on output stream "out".
virtual void SaveAs(const char *filename="", Option_t *option="") const
Save this object in the file specified by filename.
void SetBit(UInt_t f, Bool_t set)
Set or unset the user status bits as specified in f.
virtual Bool_t InheritsFrom(const char *classname) const
Returns kTRUE if object inherits from class "classname".
virtual void Error(const char *method, const char *msgfmt,...) const
Issue error message.
@ kCanDelete
if object in a list can be deleted
@ kInvalidObject
if object ctor succeeded but object should not be used
virtual void Info(const char *method, const char *msgfmt,...) const
Issue info message.
Longptr_t ExecPlugin(int nargs, const T &... params)
Int_t LoadPlugin()
Load the plugin library for this handler.
Class to create third splines to interpolate knots Arbitrary conditions can be introduced for first a...
Base class for spline implementation containing the Draw/Paint methods.
virtual Double_t Eval(Double_t x) const =0
void ToLower()
Change string to lower-case.
Int_t Atoi() const
Return integer value of string.
Bool_t EndsWith(const char *pat, ECaseCompare cmp=kExact) const
Return true if string ends with the specified string.
Double_t Atof() const
Return floating-point value contained in string.
Bool_t IsFloat() const
Returns kTRUE if string contains a floating point or integer number.
TString & Replace(Ssiz_t pos, Ssiz_t n, const char *s)
const char * Data() const
Bool_t IsDigit() const
Returns true if all characters in string are digits (0-9) or white spaces, i.e.
TString & ReplaceAll(const TString &s1, const TString &s2)
void ToUpper()
Change string to upper case.
TString & Remove(Ssiz_t pos)
static TString Format(const char *fmt,...)
Static method which formats a string using a printf style format descriptor and return a TString.
void Form(const char *fmt,...)
Formats a string using a printf style format descriptor.
Bool_t Contains(const char *pat, ECaseCompare cmp=kExact) const
Ssiz_t Index(const char *pat, Ssiz_t i=0, ECaseCompare cmp=kExact) const
void SetHistFillColor(Color_t color=1)
Color_t GetHistLineColor() const
void SetHistLineStyle(Style_t styl=0)
Style_t GetHistFillStyle() const
Color_t GetHistFillColor() const
void SetHistLineColor(Color_t color=1)
Style_t GetHistLineStyle() const
void SetHistFillStyle(Style_t styl=0)
Width_t GetHistLineWidth() const
void SetHistLineWidth(Width_t width=1)
virtual Bool_t ExpandPathName(TString &path)
Expand a pathname getting rid of special shell characters like ~.
Abstract Base Class for Fitting.
static TVirtualFitter * GetFitter()
static: return the current Fitter
virtual TObject * GetUserFunc() const
Abstract interface to a histogram painter.
virtual void DrawPanelHelper(TGraph *theGraph)=0
virtual void ExecuteEventHelper(TGraph *theGraph, Int_t event, Int_t px, Int_t py)=0
virtual void SetHighlight(TGraph *theGraph)=0
virtual void PaintGrapHist(TGraph *theGraph, Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt)=0
virtual Int_t DistancetoPrimitiveHelper(TGraph *theGraph, Int_t px, Int_t py)=0
virtual void PaintGraph(TGraph *theGraph, Int_t npoints, const Double_t *x, const Double_t *y, Option_t *chopt)=0
virtual void PaintStats(TGraph *theGraph, TF1 *fit)=0
virtual void PaintHelper(TGraph *theGraph, Option_t *option)=0
static TVirtualGraphPainter * GetPainter()
Static function returning a pointer to the current graph painter.
def fit(model, train_loader, val_loader, num_epochs, batch_size, optimizer, criterion, save_best, scheduler)
TFitResultPtr FitObject(TH1 *h1, TF1 *f1, Foption_t &option, const ROOT::Math::MinimizerOptions &moption, const char *goption, ROOT::Fit::DataRange &range)
fitting function for a TH1 (called from TH1::Fit)
void FitOptionsMake(EFitObjectType type, const char *option, Foption_t &fitOption)
Decode list of options into fitOption.
double Chisquare(const TH1 &h1, TF1 &f1, bool useRange, bool usePL=false)
compute the chi2 value for an histogram given a function (see TH1::Chisquare for the documentation)
static constexpr double s
static constexpr double ps
Bool_t IsInside(T xp, T yp, Int_t np, T *x, T *y)
Function which returns kTRUE if point xp,yp lies inside the polygon defined by the np points in array...
Double_t ATan2(Double_t y, Double_t x)
Double_t Sqrt(Double_t x)
Short_t Min(Short_t a, Short_t b)
void Sort(Index n, const Element *a, Index *index, Bool_t down=kTRUE)
Long64_t BinarySearch(Long64_t n, const T *array, T value)
static uint64_t sum(uint64_t i)