Changeset 17300
 Timestamp:
 10/03/19 10:27:12 (12 days ago)
 File:

 1 edited
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branches/2971_named_intervals/HeuristicLab.Problems.DataAnalysis/3.4/Implementation/Interval/Interval.cs
r17210 r17300 38 38 39 39 public Interval(double lowerBound, double upperBound) { 40 //TODO Handle floating point issues where lowerbound is bigger than upperbound in the nth decimal place 40 //TODO Handle floating point issues where lowerbound is bigger than upperbound in the nth decimal place 41 41 if (lowerBound > upperBound) 42 42 throw new ArgumentException("lowerBound must be smaller than or equal to upperBound."); … … 264 264 265 265 public static Interval CubicRoot(Interval a) { 266 if (a.LowerBound < 0) return new Interval(double.NaN, double.NaN); 267 return new Interval(Math.Pow(a.LowerBound, 1.0/3), Math.Pow(a.UpperBound, 1.0/3)); 266 var lower = (a.LowerBound < 0) ? Math.Pow(a.LowerBound, 1d / 3d) : Math.Pow(a.LowerBound, 1d / 3d); 267 var upper = (a.UpperBound < 0) ? Math.Pow(a.UpperBound, 1d / 3d) : Math.Pow(a.UpperBound, 1d / 3d); 268 269 return new Interval(lower, upper); 268 270 } 269 271 #endregion
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