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| 1 | Double_t LiMa17(Double_t Non, Double_t Noff, Double_t alpha)
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| 2 | {
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| 3 | Double_t term1, term2, signif;
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| 4 | term1 = ((1.+alpha) / alpha) * (Non / (Non + Noff));
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| 5 | term2 = (1.+alpha) * (Noff / (Non + Noff));
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| 6 |
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| 7 | signif = sqrt(2.* (Non*log(term1) + Noff*log(term2)));
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| 8 |
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| 9 | if (Non>(alpha*Noff)) return signif;
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| 10 | else return -signif;
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| 11 |
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| 12 | }
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| 13 |
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| 14 | Double_t parabfunc(Double_t *x, Double_t *par)
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| 15 | {
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| 16 | Double_t result=0.;
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| 17 | if (par[2]!=0) result = (par[0] * x[0] * x[0] + par[1]) / par[2];
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| 18 | return result;
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| 19 | }
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