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@@ -277,8 +277,12 @@ CertainTrust.prototype._singleOR = function(arg) {
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resF = f1 + f2 - f1*f2;
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- if (this._almostEqual(resF, 0))
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- resC = c1 + c2 - c1*c2;
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+ if (this._almostEqual(resF, 0)){
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+ f1 = 0.99999;
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+ f2 = 0.99999;
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+ resF = f1 + f2 - f1*f2;
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+ resC = c1 + c2 - c1*c2- (c1*f2*(1-c2)*(1-t1)+c2*f1*(1-c1)*(1-t2)) / resF;
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+ }
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else
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resC = c1 + c2 - c1*c2 - (c1*f2*(1-c2)*(1-t1)+c2*f1*(1-c1)*(1-t2)) / resF;
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