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Synchronized the 'noOfFitBins' calculations for single-histogram and asymmetry fits

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This commit is contained in:
Bastian M. Wojek 2011-05-25 09:48:15 +00:00
parent c6912f2efe
commit 0ebf68156a
6 changed files with 128 additions and 63 deletions
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1
ChangeLog
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@ -8,6 +8,7 @@ changes since 0.9.0
===================================
NEW the chi^2 calculation in single-histogram and asymmetry fits is parallelized
if musrfit is built using a compiler supporting OpenMP (e.g. GCC >= 4.2)
Using --disable-omp this feature can be disabled on the configure level.
NEW any2many: force the user to define the exact NeXus ouput format (HDF4,HDF5,XML)
FIXED the evaluation of the LF depolarization functions (before numerous unnecessary calculations were performed)
FIXED casting problem between uint32 and time_t for some compilers (MUSR-185)

21
configure.ac
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@ -691,13 +691,20 @@ fi
AC_SUBST(FFTW3_LIBS)
AC_SUBST(FFTW3_CFLAGS)
# Check for gomp library. If available musrfit is also linked against it (used for parallel chisq calculation and in libFitPofB).
SAVED_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fopenmp"
SAVED_LIBSS="$LIBS"
LIBS="$LIBS -fopenmp -lgomp"
AC_SEARCH_LIBS([omp_get_num_procs], [gomp], [AC_DEFINE([HAVE_GOMP], [1], [Define to 1 if gomp is available])],
[CXXFLAGS="$SAVED_CXXFLAGS" LIBS="$SAVED_LIBS"], [])
dnl -----------------------------------------------
dnl Ask user if OpenMP support should be disabled (used for parallel chisq calculation and in libFitPofB)
dnl -----------------------------------------------
AC_ARG_ENABLE([omp], [AC_HELP_STRING([--enable-omp],[build musrfit with OpenMP support [default=yes]])])
if test x"$enable_omp" != xno; then
SAVED_CXXFLAGS="$CXXFLAGS"
CXXFLAGS="$CXXFLAGS -fopenmp"
SAVED_LIBSS="$LIBS"
LIBS="$LIBS -fopenmp -lgomp"
AC_SEARCH_LIBS([omp_get_num_procs], [gomp], [AC_DEFINE([HAVE_GOMP], [1], [Define to 1 if gomp is available])],
[CXXFLAGS="$SAVED_CXXFLAGS" LIBS="$SAVED_LIBS"], [])
fi
dnl -----------------------------------------------
dnl Set host specific compiler and linker flags

77
src/classes/PRunAsymmetry.cpp
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@ -209,6 +209,7 @@ Double_t PRunAsymmetry::CalcChiSquare(const std::vector<Double_t>& par)
asymFcnValue = (f*(a*b+1.0)-(a-1.0))/((a+1.0)-f*(a*b-1.0));
break;
default:
asymFcnValue = 0.0;
break;
}
diff = fData.GetValue()->at(i) - asymFcnValue;
@ -243,17 +244,40 @@ Double_t PRunAsymmetry::CalcMaxLikelihood(const std::vector<Double_t>& par)
*/
UInt_t PRunAsymmetry::GetNoOfFitBins()
{
Double_t time;
fNoOfFitBins=0;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i * fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// Double_t time;
// fNoOfFitBins=0;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i * fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
return fNoOfFitBins;
}
//--------------------------------------------------------------------------
// CalcNoOfFitBins (private)
//--------------------------------------------------------------------------
/**
* <p>Calculate the number of fitted bins for the current fit range.
*/
void PRunAsymmetry::CalcNoOfFitBins()
{
// In order not having to loop over all bins and to stay consistent with the chisq method, calculate the start and end bins explicitly
Int_t startTimeBin = static_cast<Int_t>(ceil((fFitStartTime - fData.GetDataTimeStart())/fData.GetDataTimeStep()));
if (startTimeBin < 0)
startTimeBin = 0;
Int_t endTimeBin = static_cast<Int_t>(floor((fFitEndTime - fData.GetDataTimeStart())/fData.GetDataTimeStep())) + 1;
if (endTimeBin > static_cast<Int_t>(fData.GetValue()->size()))
endTimeBin = fData.GetValue()->size();
if (endTimeBin > startTimeBin)
fNoOfFitBins = endTimeBin - startTimeBin;
else
fNoOfFitBins = 0;
}
//--------------------------------------------------------------------------
// CalcTheory
//--------------------------------------------------------------------------
@ -662,7 +686,7 @@ Bool_t PRunAsymmetry::PrepareData()
*
*/
Bool_t PRunAsymmetry::SubtractFixBkg()
{
{
Double_t dval;
for (UInt_t i=0; i<fForward.size(); i++) {
if (fForward[i] != 0.0)
@ -678,7 +702,7 @@ Bool_t PRunAsymmetry::SubtractFixBkg()
fBackwardErr.push_back(dval);
fBackward[i] -= fRunInfo->GetBkgFix(1) * fTimeResolution * 1.0e3; // bkg per ns -> bkg per bin; 1.0e3: us -> ns
}
return true;
}
@ -970,14 +994,15 @@ Bool_t PRunAsymmetry::PrepareFitData(PRawRunData* runData, UInt_t histoNo[2])
fData.AppendErrorValue(error);
}
// count the number of bins to be fitted
Double_t time;
fNoOfFitBins=0;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i * fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// // count the number of bins to be fitted
// Double_t time;
// fNoOfFitBins=0;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i * fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
// clean up
fForward.clear();
@ -1199,14 +1224,15 @@ Bool_t PRunAsymmetry::PrepareViewData(PRawRunData* runData, UInt_t histoNo[2])
fData.AppendErrorValue(error);
}
// count the number of bins to be fitted
Double_t time;
fNoOfFitBins=0;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i * fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// // count the number of bins to be fitted
// Double_t time;
// fNoOfFitBins=0;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i * fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
// clean up
fForward.clear();
@ -1221,6 +1247,7 @@ Bool_t PRunAsymmetry::PrepareViewData(PRawRunData* runData, UInt_t histoNo[2])
}
// calculate theory
Double_t time;
UInt_t size = runData->GetDataBin(histoNo[0])->size();
Double_t factor = 1.0;
if (fData.GetValue()->size() * 10 > runData->GetDataBin(histoNo[0])->size()) {

90
src/classes/PRunSingleHisto.cpp
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@ -360,17 +360,41 @@ void PRunSingleHisto::CalcTheory()
*/
UInt_t PRunSingleHisto::GetNoOfFitBins()
{
fNoOfFitBins=0;
Double_t time;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// fNoOfFitBins=0;
//
// Double_t time;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
return fNoOfFitBins;
}
//--------------------------------------------------------------------------
// CalcNoOfFitBins (private)
//--------------------------------------------------------------------------
/**
* <p>Calculate the number of fitted bins for the current fit range.
*/
void PRunSingleHisto::CalcNoOfFitBins()
{
// In order not having to loop over all bins and to stay consistent with the chisq method, calculate the start and end bins explicitly
Int_t startTimeBin = static_cast<Int_t>(ceil((fFitStartTime - fData.GetDataTimeStart())/fData.GetDataTimeStep()));
if (startTimeBin < 0)
startTimeBin = 0;
Int_t endTimeBin = static_cast<Int_t>(floor((fFitEndTime - fData.GetDataTimeStart())/fData.GetDataTimeStep())) + 1;
if (endTimeBin > static_cast<Int_t>(fData.GetValue()->size()))
endTimeBin = fData.GetValue()->size();
if (endTimeBin > startTimeBin)
fNoOfFitBins = endTimeBin - startTimeBin;
else
fNoOfFitBins = 0;
}
//--------------------------------------------------------------------------
// PrepareData (private)
//--------------------------------------------------------------------------
@ -702,14 +726,15 @@ Bool_t PRunSingleHisto::PrepareFitData(PRawRunData* runData, const UInt_t histoN
}
}
// count the number of bins to be fitted
fNoOfFitBins=0;
Double_t time;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// // count the number of bins to be fitted
// fNoOfFitBins=0;
// Double_t time;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
return true;
}
@ -801,15 +826,16 @@ Bool_t PRunSingleHisto::PrepareRawViewData(PRawRunData* runData, const UInt_t hi
value += runData->GetDataBin(histoNo)->at(i);
}
// count the number of bins
fNoOfFitBins=0;
Double_t time;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// // count the number of bins
// fNoOfFitBins=0;
//
// Double_t time;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
// fill theory vector for kView
// feed the parameter vector
@ -874,6 +900,7 @@ Bool_t PRunSingleHisto::PrepareRawViewData(PRawRunData* runData, const UInt_t hi
size = fData.GetValue()->size() * 10;
factor = (Double_t)runData->GetDataBin(histoNo)->size() / (Double_t)size;
}
Double_t time;
Double_t theoryValue;
fData.SetTheoryTimeStart(fData.GetDataTimeStart());
fData.SetTheoryTimeStep(fTimeResolution*factor);
@ -1096,13 +1123,14 @@ Bool_t PRunSingleHisto::PrepareViewData(PRawRunData* runData, const UInt_t histo
}
}
// count the number of bins to be fitted
fNoOfFitBins=0;
for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
if ((time >= fFitStartTime) && (time <= fFitEndTime))
fNoOfFitBins++;
}
// // count the number of bins to be fitted
// fNoOfFitBins=0;
// for (UInt_t i=0; i<fData.GetValue()->size(); i++) {
// time = fData.GetDataTimeStart() + (Double_t)i*fData.GetDataTimeStep();
// if ((time >= fFitStartTime) && (time <= fFitEndTime))
// fNoOfFitBins++;
// }
CalcNoOfFitBins();
// calculate functions
for (Int_t i=0; i<fMsrInfo->GetNoOfFuncs(); i++) {

1
src/include/PRunAsymmetry.h
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@ -52,6 +52,7 @@ class PRunAsymmetry : public PRunBase
virtual UInt_t GetNoOfFitBins();
protected:
virtual void CalcNoOfFitBins();
virtual Bool_t PrepareData();
virtual Bool_t PrepareFitData(PRawRunData* runData, UInt_t histoNo[2]);
virtual Bool_t PrepareViewData(PRawRunData* runData, UInt_t histoNo[2]);

1
src/include/PRunSingleHisto.h
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@ -51,6 +51,7 @@ class PRunSingleHisto : public PRunBase
virtual UInt_t GetNoOfFitBins();
protected:
virtual void CalcNoOfFitBins();
virtual Bool_t PrepareData();
virtual Bool_t PrepareFitData(PRawRunData* runData, const UInt_t histoNo);
virtual Bool_t PrepareRawViewData(PRawRunData* runData, const UInt_t histoNo);