[test,tutorials] do not rely on obsolete Riostream header

test/MainEvent.cxx

@@ -91,9 +91,6 @@
 //
 ////////////////////////////////////////////////////////////////////////
 
-#include <cstdlib>
-
-#include "Riostream.h"
 #include "TROOT.h"
 #include "TFile.h"
 #include "TRandom.h"
@@ -105,6 +102,9 @@
 
 #include "Event.h"
 
+#include <cstdlib>
+#include <iostream>
+
 constexpr int defaultComp = 1;
 
 ////////////////////////////////////////////////////////////////////////////////

test/QpRandomDriver.cxx

@@ -1,11 +1,11 @@
-#include <cstdlib>
-#include "Riostream.h"
-
 #include "TQpDataDens.h"
 #include "TQpVar.h"
 #include "TQpProbDens.h"
 #include "TGondzioSolver.h"
 
+#include <cstdlib>
+#include <iostream>
+
 Bool_t SolutionMatches(TQpVar *vars,TQpVar *soln,TQpVar *temp,Double_t tol);
 
 int main(int argc,char *argv[])

test/TBench.cxx

@@ -8,7 +8,8 @@
 #include "TClass.h"
 //the next include must be the last one on systems like Windows/NT
 #include "TBench.h"
-#include "Riostream.h"
+
+#include <iostream>
 
 THit s_hit;
 #ifdef R__HPUX

test/TestVectors.cxx

@@ -2,12 +2,12 @@
 // Author: Peter Malzacher   19/06/99
 
 #ifndef __CLING__
-#include <Riostream.h>
 #include <TMath.h>
 #include <TVector3.h>
 #include <TLorentzVector.h>
 #include <TRotation.h>
 #include <TLorentzRotation.h>
+
 #include <cassert>
 #endif
 

test/dt_RunDrawTest.C

@@ -5,13 +5,12 @@
 #include "TKey.h"
 #include "TChain.h"
 #include "TSystem.h"
-
 #include "TBranchElement.h"
 
-#include "Riostream.h"
-
 #include "dt_DrawTest.C"
 
+#include <iostream>
+
 Bool_t gInteractiveTest = kTRUE;
 Int_t gQuietLevel = 0;
 

test/guiviewer.cxx

@@ -23,7 +23,6 @@
 #include "TRandom.h"
 #include "TGDoubleSlider.h"
 #include "TGaxis.h"
-#include "Riostream.h"
 
 
 Viewer::Viewer(const TGWindow *win) : TGMainFrame(win,500,500)

test/stressFit.cxx

@@ -53,13 +53,11 @@
 //                                                                           //
 //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*_*//
 
-#include <cstdlib>
 #include "TSystem.h"
 #include "TROOT.h"
 #include "TBenchmark.h"
 #include "TMath.h"
 #include "TStopwatch.h"
-#include "Riostream.h"
 #include "TVectorD.h"
 #include "TMatrixD.h"
 #include "snprintf.h"
@@ -70,6 +68,9 @@
 #include "Math/MinimizerOptions.h"
 #include "Math/Minimizer.h"
 
+#include <cstdlib>
+#include <iostream>
+
 Int_t stressFit(const char *type = "Minuit", const char *algo = "Migrad", Int_t N = 2000);
 Int_t    gVerbose      = -1;
 Double_t gToleranceMult = 1.e-3;

test/stressHistoFit.cxx

@@ -130,7 +130,10 @@ extern "C" {
 #endif
 #endif
 
-#include "Riostream.h"
+#include <iostream>
+#include <string>
+#include <vector>
+
 using std::string, std::vector, std::cout, std::endl;
 
 

test/stressHistogram.cxx

@@ -60,9 +60,6 @@
 //*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*//
 
 
-#include <sstream>
-#include <cmath>
-
 #include "TH2.h"
 #include "TH3.h"
 #include "TH2.h"
@@ -85,17 +82,20 @@
 
 #include "TApplication.h"
 #include "TBenchmark.h"
-#include "Riostream.h"
 #include "TMath.h"
 #include "TRandom2.h"
 #include "TFile.h"
 #include "TClass.h"
 #include "THashList.h"
-
 #include "TROOT.h"
+
 #include <algorithm>
-#include <random>
 #include <cassert>
+#include <cmath>
+#include <iostream>
+#include <random>
+#include <sstream>
+#include <string>
 
 #ifdef __CLING__
 const auto tmp_root_file_name = "tmp_hist_interpreted.root";

test/tcollex.cxx

@@ -1,9 +1,6 @@
 // @(#)root/test:$Id$
 // Author: Fons Rademakers   19/08/96
 
-#include <cstdlib>
-
-#include "Riostream.h"
 #include "TString.h"
 #include "TObjString.h"
 #include "TSortedList.h"
@@ -13,6 +10,7 @@
 #include "TBtree.h"
 #include "TStopwatch.h"
 
+#include <cstdlib>
 
 // To focus on basic collection protocol, this sample program uses
 // simple classes inheriting from TObject. One class, TObjString, is a

test/vlazy.cxx

@@ -13,8 +13,8 @@
 #include "TStopwatch.h"
 #include "TMatrix.h"
 #include "TMatrixFLazy.h"
-#include "Riostream.h"
 
+#include <iostream>
 
 class do_downsample : public TElementPosActionF {
 private:

tutorials/io/hadd.C

@@ -17,13 +17,14 @@
 /// \author Sven A. Schmidt, sven.schmidt@cern.ch, 13.2.2001
 
 
-#include <cstring>
 #include "TChain.h"
 #include "TFile.h"
 #include "TH1.h"
 #include "TTree.h"
 #include "TKey.h"
-#include "Riostream.h"
+
+#include <cstring>
+#include <iostream>
 
 TList *FileList;
 TFile *Target;

tutorials/io/tree/clones_event.h

@@ -1,5 +1,6 @@
 #include "TTree.h"
-#include "Riostream.h"
+
+#include <iostream>
 
 class TUsrHit:public TObject {
 public:

tutorials/io/tree/printSizes.C

@@ -41,11 +41,12 @@
 
 #include "TTree.h"
 #include "TBranch.h"
-#include "Riostream.h"
 #include "TMemFile.h"
 #include "TKey.h"
 #include "TBranchRef.h"
 
+#include <iostream>
+
 Long64_t GetTotalSize(TBranch * b, bool ondisk, bool inclusive);
 Long64_t GetBasketSize(TBranch * b, bool ondisk, bool inclusive);
 

tutorials/io/tree/tree101_basic.C

@@ -8,7 +8,7 @@
 ///
 /// \author Rene Brun
 
-#include "Riostream.h"
+#include <iostream>
 
 void tree101_basic()
 {

tutorials/io/tree/tree103_tree.C

@@ -44,7 +44,7 @@
 #include <TCanvas.h>
 #include <TStyle.h>
 
-#include <Riostream.h>
+#include <iostream>
 
 //class Det : public TObject  {
 class Det {  // each detector gives an energy and time signal

tutorials/io/tree/tree130_jets.C

@@ -24,8 +24,8 @@
 #include "TROOT.h"
 #include "TSystem.h"
 #include "JetEvent.h"
-#include "Riostream.h"
 
+#include <iostream>
 
 void write(Int_t nev=100)
 {

tutorials/io/xml/DOMParsePerson.C

@@ -19,12 +19,12 @@
 /// \author Sergey Linev
 
 
-#include <Riostream.h>
 #include <TDOMParser.h>
 #include <TXMLAttr.h>
 #include <TXMLNode.h>
 #include <TList.h>
 
+#include <iostream>
 
 class Date {
 public:

tutorials/io/xml/DOMRecursive.C

@@ -17,12 +17,12 @@
 ///
 /// \author Sergey Linev
 
-#include <Riostream.h>
 #include <TDOMParser.h>
 #include <TXMLNode.h>
 #include <TXMLAttr.h>
 #include <TList.h>
 
+#include <iostream>
 
 void ParseContext(TXMLNode *node)
 {

tutorials/io/xml/SAXHandler.C

@@ -18,11 +18,11 @@
 ///
 /// \author Sergey Linev
 
-#include <Riostream.h>
 #include <TList.h>
 #include <TSAXParser.h>
 #include <TXMLAttr.h>
 
+#include <iostream>
 
 class SaxHandler {
 public:

tutorials/legacy/math/Rolke.C

@@ -15,7 +15,8 @@
 #include "TROOT.h"
 #include "TSystem.h"
 #include "TRolke.h"
-#include "Riostream.h"
+
+#include <iostream>
 
 void Rolke()
 {

tutorials/legacy/regexp/regexp.C

@@ -27,13 +27,12 @@
 ///
 /// \author Eddy Offermann
 
-#include "Riostream.h"
 #include "TString.h"
 #include "TPRegexp.h"
 #include "TClonesArray.h"
 #include "TObjString.h"
 
-
+#include <iostream>
 
 void regexp()
 {

tutorials/legacy/splot/TestSPlot.C

@@ -28,7 +28,8 @@
 #include "TPaveLabel.h"
 #include "TPad.h"
 #include "TPaveText.h"
-#include "Riostream.h"
+
+#include <iostream>
 
 void TestSPlot()
 {

tutorials/legacy/thread/threads.C

@@ -16,7 +16,8 @@
 /// \author Victor Perevovchikov
 
 #include "TThread.h"
-#include <Riostream.h>
+
+#include <iostream>
 
 void *handle(void *ptr)
 {

tutorials/machine_learning/createData.C

@@ -13,12 +13,13 @@
 #include "TStyle.h"
 #include "TFile.h"
 #include "TRandom.h"
-#include "Riostream.h"
 #include "TCanvas.h"
 #include "TMatrixD.h"
 #include "TH2F.h"
 #include "TLegend.h"
 #include "TBranch.h"
+
+#include <iostream>
 #include <vector>
 
 void plot( TString fname = "data.root", TString var0="var0", TString var1="var1" )

tutorials/math/Legendre.C

@@ -15,14 +15,13 @@
 #include "TF1.h"
 #include "TCanvas.h"
 
-#include <Riostream.h>
 #include "TLegend.h"
 #include "TLegendEntry.h"
 
 #include "Math/IFunction.h"
-#include <cmath>
 #include "TSystem.h"
 
+#include <cmath>
 
 void Legendre()
 {

tutorials/math/LegendreAssoc.C

@@ -25,14 +25,15 @@
 #include "TF1.h"
 #include "TCanvas.h"
 
-#include <Riostream.h>
 #include "TLegend.h"
 #include "TLegendEntry.h"
 
 #include "Math/IFunction.h"
-#include <cmath>
 #include "TSystem.h"
 
+#include <cmath>
+#include <iostream>
+
 void LegendreAssoc()
 {
    std::cout <<"Drawing associate Legendre Polynomials.." << std::endl;

tutorials/math/fit/fitpanel_playback.C

@@ -17,7 +17,8 @@
 #include "TSystem.h"
 #include "TSystemFile.h"
 #include "TRecorder.h"
-#include "Riostream.h"
+
+#include <iostream>
 
 int file_size(const char *filename)
 {