TGraphAsymmErrorsFix.cpp

00001 #include "TGraphAsymmErrorsFix.h"
00002 
00003 using namespace std;
00004 
00005 void TGraphAsymmErrorsFix::Set(Int_t n) throw() {
00006     if (n < 0) n = 0;
00007     if (n == fNpoints) return;
00008         
00009     TGraph::Set(n);
00010     
00011     Double_t *exh=0, *exl=0, *eyh=0, *eyl=0;
00012     if (n > 0) {
00013         exh = new Double_t[n];
00014         exl = new Double_t[n];
00015         eyh = new Double_t[n];
00016         eyl = new Double_t[n];
00017     }
00018     Int_t i;
00019     for (i=0; i<fNpoints && i<n;i++) {
00020         if (fEXlow) exl[i] = fEXlow[i];
00021         if (fEXhigh) exh[i] = fEXhigh[i];
00022         if (fEYlow) eyl[i] = fEYlow[i];
00023         if (fEYhigh) eyh [i] = fEYhigh[i];
00024     }
00025     for (i=fNpoints; i<n;i++) {
00026         exh[i] = 0;
00027         exl[i] = 0;
00028         eyh[i] = 0;
00029         eyl[i] = 0;
00030     }
00031     delete [] fEXlow;
00032     delete [] fEXhigh;
00033     delete [] fEYlow;
00034     delete [] fEYhigh;
00035     
00036     fEXhigh = exh;
00037     fEXlow = exl;
00038     fEYhigh = eyh;
00039     fEYlow = eyl;
00040 }

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