* provided "as is" without express or implied warranty. *
**************************************************************************/
-
-// Author: ruben.shahoyan@cern.ch 09/09/2006
-//
#include <cstdlib>
+#include <TSystem.h>
#include "AliCheb3DCalc.h"
ClassImp(AliCheb3DCalc)
fCoefs(0),
fTmpCf1(0),
fTmpCf0(0)
-{}
+{
+ // default constructor
+}
//__________________________________________________________________________________________
AliCheb3DCalc::AliCheb3DCalc(const AliCheb3DCalc& src) :
fTmpCf1(0),
fTmpCf0(0)
{
+ // copy constructor
+ //
if (src.fNColsAtRow) {
- fNColsAtRow = new Int_t[fNRows];
+ fNColsAtRow = new UShort_t[fNRows];
for (int i=fNRows;i--;) fNColsAtRow[i] = src.fNColsAtRow[i];
}
if (src.fColAtRowBg) {
- fColAtRowBg = new Int_t[fNRows];
+ fColAtRowBg = new UShort_t[fNRows];
for (int i=fNRows;i--;) fColAtRowBg[i] = src.fColAtRowBg[i];
}
if (src.fCoefBound2D0) {
- fCoefBound2D0 = new Int_t[fNElemBound2D];
+ fCoefBound2D0 = new UShort_t[fNElemBound2D];
for (int i=fNElemBound2D;i--;) fCoefBound2D0[i] = src.fCoefBound2D0[i];
}
if (src.fCoefBound2D1) {
- fCoefBound2D1 = new Int_t[fNElemBound2D];
+ fCoefBound2D1 = new UShort_t[fNElemBound2D];
for (int i=fNElemBound2D;i--;) fCoefBound2D1[i] = src.fCoefBound2D1[i];
}
if (src.fCoefs) {
fTmpCf1(0),
fTmpCf0(0)
{
+ // constructor from coeffs. streem
LoadData(stream);
}
//__________________________________________________________________________________________
AliCheb3DCalc& AliCheb3DCalc::operator=(const AliCheb3DCalc& rhs)
{
+ // assignment operator
if (this != &rhs) {
Clear();
SetName(rhs.GetName());
fNRows = rhs.fNRows;
fNCols = rhs.fNCols;
if (rhs.fNColsAtRow) {
- fNColsAtRow = new Int_t[fNRows];
+ fNColsAtRow = new UShort_t[fNRows];
for (int i=fNRows;i--;) fNColsAtRow[i] = rhs.fNColsAtRow[i];
}
if (rhs.fColAtRowBg) {
- fColAtRowBg = new Int_t[fNRows];
+ fColAtRowBg = new UShort_t[fNRows];
for (int i=fNRows;i--;) fColAtRowBg[i] = rhs.fColAtRowBg[i];
}
if (rhs.fCoefBound2D0) {
- fCoefBound2D0 = new Int_t[fNElemBound2D];
+ fCoefBound2D0 = new UShort_t[fNElemBound2D];
for (int i=fNElemBound2D;i--;) fCoefBound2D0[i] = rhs.fCoefBound2D0[i];
}
if (rhs.fCoefBound2D1) {
- fCoefBound2D1 = new Int_t[fNElemBound2D];
+ fCoefBound2D1 = new UShort_t[fNElemBound2D];
for (int i=fNElemBound2D;i--;) fCoefBound2D1[i] = rhs.fCoefBound2D1[i];
}
if (rhs.fCoefs) {
}
//__________________________________________________________________________________________
-void AliCheb3DCalc::Clear(Option_t*)
+void AliCheb3DCalc::Clear(const Option_t*)
{
// delete all dynamycally allocated structures
if (fTmpCf1) { delete[] fTmpCf1; fTmpCf1 = 0;}
}
//__________________________________________________________________________________________
-void AliCheb3DCalc::Print(Option_t* ) const
+void AliCheb3DCalc::Print(const Option_t* ) const
{
+ // print info
printf("Chebyshev parameterization data %s for 3D->1 function.\n",GetName());
int nmax3d = 0;
for (int i=fNElemBound2D;i--;) if (fCoefBound2D0[i]>nmax3d) nmax3d = fCoefBound2D0[i];
}
//__________________________________________________________________________________________
-Float_t AliCheb3DCalc::Eval(Float_t *par) const
-{
- // evaluate Chebyshev parameterization for 3D function.
- // VERY IMPORTANT: par must contain the function arguments ALREADY MAPPED to [-1:1] interval
- Float_t &z = par[2];
- Float_t &y = par[1];
- Float_t &x = par[0];
- //
- int ncfRC;
- for (int id0=fNRows;id0--;) {
- int nCLoc = fNColsAtRow[id0]; // number of significant coefs on this row
- int Col0 = fColAtRowBg[id0]; // beginning of local column in the 2D boundary matrix
- for (int id1=nCLoc;id1--;) {
- int id = id1+Col0;
- fTmpCf1[id1] = (ncfRC=fCoefBound2D0[id]) ? ChebEval1D(z,fCoefs + fCoefBound2D1[id], ncfRC) : 0.0;
- }
- fTmpCf0[id0] = nCLoc>0 ? ChebEval1D(y,fTmpCf1,nCLoc):0.0;
- }
- return ChebEval1D(x,fTmpCf0,fNRows);
- //
-}
-
-//__________________________________________________________________________________________
-Float_t AliCheb3DCalc::EvalDeriv(int dim, Float_t *par) const
+Float_t AliCheb3DCalc::EvalDeriv(int dim, const Float_t *par) const
{
// evaluate Chebyshev parameterization derivative in given dimension for 3D function.
// VERY IMPORTANT: par must contain the function arguments ALREADY MAPPED to [-1:1] interval
- Float_t &z = par[2];
- Float_t &y = par[1];
- Float_t &x = par[0];
//
int ncfRC;
for (int id0=fNRows;id0--;) {
int nCLoc = fNColsAtRow[id0]; // number of significant coefs on this row
if (!nCLoc) {fTmpCf0[id0]=0; continue;}
//
- int Col0 = fColAtRowBg[id0]; // beginning of local column in the 2D boundary matrix
+ int col0 = fColAtRowBg[id0]; // beginning of local column in the 2D boundary matrix
for (int id1=nCLoc;id1--;) {
- int id = id1+Col0;
+ int id = id1+col0;
if (!(ncfRC=fCoefBound2D0[id])) { fTmpCf1[id1]=0; continue;}
- if (dim==2) fTmpCf1[id1] = ChebEval1Deriv(z,fCoefs + fCoefBound2D1[id], ncfRC);
- else fTmpCf1[id1] = ChebEval1D(z,fCoefs + fCoefBound2D1[id], ncfRC);
+ if (dim==2) fTmpCf1[id1] = ChebEval1Deriv(par[2],fCoefs + fCoefBound2D1[id], ncfRC);
+ else fTmpCf1[id1] = ChebEval1D(par[2],fCoefs + fCoefBound2D1[id], ncfRC);
}
- if (dim==1) fTmpCf0[id0] = ChebEval1Deriv(y,fTmpCf1,nCLoc);
- else fTmpCf0[id0] = ChebEval1D(y,fTmpCf1,nCLoc);
+ if (dim==1) fTmpCf0[id0] = ChebEval1Deriv(par[1],fTmpCf1,nCLoc);
+ else fTmpCf0[id0] = ChebEval1D(par[1],fTmpCf1,nCLoc);
}
- return (dim==0) ? ChebEval1Deriv(x,fTmpCf0,fNRows) : ChebEval1D(x,fTmpCf0,fNRows);
+ return (dim==0) ? ChebEval1Deriv(par[0],fTmpCf0,fNRows) : ChebEval1D(par[0],fTmpCf0,fNRows);
//
}
//__________________________________________________________________________________________
-Float_t AliCheb3DCalc::EvalDeriv2(int dim1,int dim2, Float_t *par) const
+Float_t AliCheb3DCalc::EvalDeriv2(int dim1,int dim2, const Float_t *par) const
{
// evaluate Chebyshev parameterization 2n derivative in given dimensions for 3D function.
// VERY IMPORTANT: par must contain the function arguments ALREADY MAPPED to [-1:1] interval
- Float_t &z = par[2];
- Float_t &y = par[1];
- Float_t &x = par[0];
//
Bool_t same = dim1==dim2;
int ncfRC;
int nCLoc = fNColsAtRow[id0]; // number of significant coefs on this row
if (!nCLoc) {fTmpCf0[id0]=0; continue;}
//
- int Col0 = fColAtRowBg[id0]; // beginning of local column in the 2D boundary matrix
+ int col0 = fColAtRowBg[id0]; // beginning of local column in the 2D boundary matrix
for (int id1=nCLoc;id1--;) {
- int id = id1+Col0;
+ int id = id1+col0;
if (!(ncfRC=fCoefBound2D0[id])) { fTmpCf1[id1]=0; continue;}
- if (dim1==2||dim2==2) fTmpCf1[id1] = same ? ChebEval1Deriv2(z,fCoefs + fCoefBound2D1[id], ncfRC)
- : ChebEval1Deriv(z,fCoefs + fCoefBound2D1[id], ncfRC);
- else fTmpCf1[id1] = ChebEval1D(z,fCoefs + fCoefBound2D1[id], ncfRC);
+ if (dim1==2||dim2==2) fTmpCf1[id1] = same ? ChebEval1Deriv2(par[2],fCoefs + fCoefBound2D1[id], ncfRC)
+ : ChebEval1Deriv(par[2],fCoefs + fCoefBound2D1[id], ncfRC);
+ else fTmpCf1[id1] = ChebEval1D(par[2],fCoefs + fCoefBound2D1[id], ncfRC);
}
- if (dim1==1||dim2==1) fTmpCf0[id0] = same ? ChebEval1Deriv2(y,fTmpCf1,nCLoc):ChebEval1Deriv(y,fTmpCf1,nCLoc);
- else fTmpCf0[id0] = ChebEval1D(y,fTmpCf1,nCLoc);
+ if (dim1==1||dim2==1) fTmpCf0[id0] = same ? ChebEval1Deriv2(par[1],fTmpCf1,nCLoc):ChebEval1Deriv(par[1],fTmpCf1,nCLoc);
+ else fTmpCf0[id0] = ChebEval1D(par[1],fTmpCf1,nCLoc);
}
- return (dim1==0||dim2==0) ? (same ? ChebEval1Deriv2(x,fTmpCf0,fNRows):ChebEval1Deriv(x,fTmpCf0,fNRows)) : ChebEval1D(x,fTmpCf0,fNRows);
+ return (dim1==0||dim2==0) ? (same ? ChebEval1Deriv2(par[0],fTmpCf0,fNRows):ChebEval1Deriv(par[0],fTmpCf0,fNRows)) :
+ ChebEval1D(par[0],fTmpCf0,fNRows);
//
}
if (fColAtRowBg) delete[] fColAtRowBg;
if (fTmpCf0) delete[] fTmpCf0;
fNRows = nr;
- fNColsAtRow = new Int_t[fNRows];
+ fNColsAtRow = new UShort_t[fNRows];
fTmpCf0 = new Float_t [fNRows];
- fColAtRowBg = new Int_t[fNRows];
+ fColAtRowBg = new UShort_t[fNRows];
for (int i=fNRows;i--;) fNColsAtRow[i] = fColAtRowBg[i] = 0;
}
if (fCoefBound2D0) delete[] fCoefBound2D0;
if (fCoefBound2D1) delete[] fCoefBound2D1;
fNElemBound2D = ne;
- fCoefBound2D0 = new Int_t[fNElemBound2D];
- fCoefBound2D1 = new Int_t[fNElemBound2D];
+ fCoefBound2D0 = new UShort_t[fNElemBound2D];
+ fCoefBound2D1 = new UShort_t[fNElemBound2D];
for (int i=fNElemBound2D;i--;) fCoefBound2D0[i] = fCoefBound2D1[i] = 0;
}
return b0 - x*b1 - ddcf0/2;
}
+//__________________________________________________________________________________________
+Int_t AliCheb3DCalc::GetMaxColsAtRow() const
+{
+ int nmax3d = 0;
+ for (int i=fNElemBound2D;i--;) if (fCoefBound2D0[i]>nmax3d) nmax3d = fCoefBound2D0[i];
+ return nmax3d;
+}