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Last change
on this file since 11659 was
11659,
checked in by gkronber, 9 years ago
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#2283 initial import of implementation of grammatical optimization problem instances
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File size:
500 bytes
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| 1 | using System;
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| 2 | using System.Collections.Generic;
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| 3 | using System.Linq;
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| 4 | using System.Text;
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| 5 | using System.Threading.Tasks;
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| 6 |
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| 7 | namespace HeuristicLab.Problems.GrammaticalOptimization {
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| 8 | public static class Extensions {
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| 9 | public static bool IsAlmost(this double x, double y) {
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| 10 | return Math.Abs(x - y) < 1.0e-6;
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| 11 | }
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| 12 |
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| 13 | public static T SelectRandom<T>(this IEnumerable<T> xs, Random rand) {
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| 14 | var xsArr = xs.ToArray();
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| 15 | return xsArr[rand.Next(xsArr.Length)];
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| 16 | }
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| 17 | }
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| 18 | }
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