+++ /dev/null
-/**************************************************************************
- * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
- * *
- * Author: The ALICE Off-line Project. *
- * Contributors are mentioned in the code where appropriate. *
- * *
- * Permission to use, copy, modify and distribute this software and its *
- * documentation strictly for non-commercial purposes is hereby granted *
- * without fee, provided that the above copyright notice appears in all *
- * copies and that both the copyright notice and this permission notice *
- * appear in the supporting documentation. The authors make no claims *
- * about the suitability of this software for any purpose. It is *
- * provided "as is" without express or implied warranty. *
- **************************************************************************/
-
-#include <Riostream.h>
-
-#include "AliLHCClockPhase.h"
-#include "AliDCSValue.h"
-#include "AliLog.h"
-
-ClassImp(AliLHCClockPhase)
-
-//______________________________________________________________________________
-AliLHCClockPhase::AliLHCClockPhase():
- TObject(),
- fPhaseB1(),
- fPhaseB2()
-{
- // default constructor
- // ...
- fPhaseB1.SetOwner();
- fPhaseB2.SetOwner();
-}
-
-//______________________________________________________________________________
-void AliLHCClockPhase::AddPhaseB1DP(UInt_t timestamp, Float_t phase)
-{
- // Add a phase beam1 measurement
- // to the array of data-points
-
- fPhaseB1.AddLast(new AliDCSValue(phase,timestamp));
-}
-
-//______________________________________________________________________________
-void AliLHCClockPhase::AddPhaseB2DP(UInt_t timestamp, Float_t phase)
-{
- // Add a phase beam2 measurement
- // to the array of data-points
-
- fPhaseB2.AddLast(new AliDCSValue(phase,timestamp));
-}
-
-//______________________________________________________________________________
-const AliDCSValue* AliLHCClockPhase::GetPhaseB1DP(Int_t index) const
-{
- // Get the value of the phase
- // The argument is the DP index
- AliDCSValue *value = (AliDCSValue*)fPhaseB1.At(index);
- if (!value) {
- AliFatal(Form("Invalid index of the beam1 data point: %d (0 -> %d)",
- index,fPhaseB1.GetEntries()));
- return NULL;
- }
- return value;
-}
-
-//______________________________________________________________________________
-const AliDCSValue* AliLHCClockPhase::GetPhaseB2DP(Int_t index) const
-{
- // Get the value of the phase
- // The argument is the DP index
- AliDCSValue *value = (AliDCSValue*)fPhaseB2.At(index);
- if (!value) {
- AliFatal(Form("Invalid index of the beam2 data point: %d (0 -> %d)",
- index,fPhaseB2.GetEntries()));
- return NULL;
- }
- return value;
-}
-
-//______________________________________________________________________________
-Float_t AliLHCClockPhase::GetMeanPhaseB1() const
-{
- // Get mean beam1 phase shift.
- // The mean is calculated using all the data-points.
- Int_t n = 0;
- Float_t phase = 0;
- for(Int_t i = 0; i < fPhaseB1.GetEntries(); ++i) {
- AliDCSValue *value = (AliDCSValue*)fPhaseB1.At(i);
- if (value) {
- phase += value->GetFloat();
- ++n;
- }
- }
- if (n == 0) {
- AliError("No beam1 measurements found! Assuming 0 phase shift!");
- return 0;
- }
- phase /= n;
- return phase;
-}
-
-//______________________________________________________________________________
-Float_t AliLHCClockPhase::GetMeanPhaseB2() const
-{
- // Get mean beam2 phase shift.
- // The mean is calculated using all the data-points.
- Int_t n = 0;
- Float_t phase = 0;
- for(Int_t i = 0; i < fPhaseB2.GetEntries(); ++i) {
- AliDCSValue *value = (AliDCSValue*)fPhaseB2.At(i);
- if (value) {
- phase += value->GetFloat();
- ++n;
- }
- }
- if (n == 0) {
- AliError("No beam2 measurements found! Assuming 0 phase shift!");
- return 0;
- }
- phase /= n;
- return phase;
-}
-
-//______________________________________________________________________________
-Float_t AliLHCClockPhase::GetMeanPhase() const
-{
- // Get mean phase shift.
- // Beam1 and beam2 phases are calculated using
- // all beam1 and beam2 data-points. The two phases are
- // then averaged in order to get the mean value.
- return (GetMeanPhaseB1() + GetMeanPhaseB2())/2;
-}
-
-//______________________________________________________________________________
-Float_t AliLHCClockPhase::GetPhaseB1(UInt_t timestamp) const
-{
- // Get beam1 phase shift using the
- // event time-stamp as an argument.
- // This methods loops over data-points and
- // returns the value of the closest (in time)
- // measurement found.
- Long64_t deltat = 0xffffffff;
- Float_t phase = 0;
- for(Int_t i = 0; i < fPhaseB1.GetEntries(); ++i) {
- AliDCSValue *value = (AliDCSValue*)fPhaseB1.At(i);
- if (value) {
- if (TMath::Abs((Long64_t)timestamp-(Long64_t)value->GetTimeStamp()) <= deltat) {
- phase = value->GetFloat();
- deltat = TMath::Abs((Long64_t)timestamp-(Long64_t)value->GetTimeStamp());
- }
- }
- }
- if (deltat == 0xffffffff) {
- AliError(Form("Can't get the beam1 phase shift at time-stamp = %u",timestamp));
- return 0;
- }
- return phase;
-}
-
-//______________________________________________________________________________
-Float_t AliLHCClockPhase::GetPhaseB2(UInt_t timestamp) const
-{
- // Get beam2 phase shift using the
- // event time-stamp as an argument.
- // This methods loops over data-points and
- // returns the value of the closest (in time)
- // measurement found.
- Long64_t deltat = 0xffffffff;
- Float_t phase = 0;
- for(Int_t i = 0; i < fPhaseB2.GetEntries(); ++i) {
- AliDCSValue *value = (AliDCSValue*)fPhaseB2.At(i);
- if (value) {
- if (TMath::Abs((Long64_t)timestamp-(Long64_t)value->GetTimeStamp()) <= deltat) {
- phase = value->GetFloat();
- deltat = TMath::Abs((Long64_t)timestamp-(Long64_t)value->GetTimeStamp());
- }
- }
- }
- if (deltat == 0xffffffff) {
- AliError(Form("Can't get the beam2 phase shift at time-stamp = %u",timestamp));
- return 0;
- }
- return phase;
-}
-
-//______________________________________________________________________________
-Float_t AliLHCClockPhase::GetPhase(UInt_t timestamp) const
-{
- // Get mean phase shift using the event time-stamp as
- // an argument.
- // Beam1 and beam2 phases are calculated using
- // the closest beam1 and beam2 data-points. The two phases are
- // then averaged in order to get the mean value.
- return (GetPhaseB1(timestamp) + GetPhaseB2(timestamp))/2;
-}
-
-//______________________________________________________________________________
-void AliLHCClockPhase::Print( const Option_t* ) const
-{
- // Print all the data-points for beam1 and beam2
- // as well as the mean phases
- cout << "AliLHCClockPhase object:" << endl;
-
- cout << "Beam1:" << endl;
- for(Int_t i = 0; i < fPhaseB1.GetEntries(); ++i) {
- AliDCSValue *value = (AliDCSValue*)fPhaseB1.At(i);
- if (value) cout << "TS=" << value->GetTimeStamp() << " " << value->GetFloat() << endl;
- }
- cout << "Beam1 mean phase=" << GetMeanPhaseB1() << " ns" << endl;
-
- cout << "Beam2:" << endl;
- for(Int_t i = 0; i < fPhaseB2.GetEntries(); ++i) {
- AliDCSValue *value = (AliDCSValue*)fPhaseB2.At(i);
- if (value) cout << "TS=" << value->GetTimeStamp() << " " << value->GetFloat() << endl;
- }
- cout << "Beam2 mean phase=" << GetMeanPhaseB2() << " ns" << endl;
-
- cout << "Mean phase (beam1 & beam2) =" << GetMeanPhase() << " ns" << endl;
-}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff