Changeset 10287 for branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers/3.3/FractionClass.cs

Timestamp:

01/06/14 14:40:45 (11 years ago)

Author:

ascheibe

Message:

#1886 adapted convex hull modifier to use fractions for big volumes

File:

• branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers/3.3/FractionClass.cs (modified) (1 diff)

branches/HeuristicLab.Analysis.AlgorithmBehavior/HeuristicLab.Analysis.AlgorithmBehavior.Analyzers/3.3/FractionClass.cs

@@ -249 +249 @@
     }
 
+    public double ToDouble(int digits) {
+      if (this.m_Denominator == 1)
+        return (double)this.m_Numerator;
+      else if (this.m_Denominator == 0) {
+        switch (NormalizeIndeterminate(this.m_Numerator)) {
+          case Indeterminates.NegativeInfinity:
+            return double.NegativeInfinity;
+
+          case Indeterminates.PositiveInfinity:
+            return double.PositiveInfinity;
+
+          case Indeterminates.NaN:
+          default:    // this can't happen
+            return double.NaN;
+        }
+      } else {
+        ReduceFraction(ref this);
+        int factor = (int)Math.Pow(10, digits);
+        return ((double)((this.m_Numerator * factor) / this.m_Denominator)) / factor;
+      }
+    }
+
     /// <summary>
     /// Get the value of the Fraction as a string, with proper representation for NaNs and infinites