From c66ab408ff42306ff20d25aa86ec50a7e3c37d7d Mon Sep 17 00:00:00 2001 From: inga-lovinde <52715130+inga-lovinde@users.noreply.github.com> Date: Fri, 10 Mar 2017 11:27:58 +0300 Subject: [PATCH] Code cleanup --- .../PrecomputedPermutationsGenerator.cs | 39 ++++++++----------- 1 file changed, 17 insertions(+), 22 deletions(-) diff --git a/WhiteRabbit/PrecomputedPermutationsGenerator.cs b/WhiteRabbit/PrecomputedPermutationsGenerator.cs index b9467bf..c118b70 100644 --- a/WhiteRabbit/PrecomputedPermutationsGenerator.cs +++ b/WhiteRabbit/PrecomputedPermutationsGenerator.cs @@ -5,33 +5,28 @@ internal static class PrecomputedPermutationsGenerator { - private static PermutationsGenerator.Permutation[] Permutations1 { get; } = PermutationsGenerator.HamiltonianPermutations(1).ToArray(); - - private static PermutationsGenerator.Permutation[] Permutations2 { get; } = PermutationsGenerator.HamiltonianPermutations(2).ToArray(); - - private static PermutationsGenerator.Permutation[] Permutations3 { get; } = PermutationsGenerator.HamiltonianPermutations(3).ToArray(); - - private static PermutationsGenerator.Permutation[] Permutations4 { get; } = PermutationsGenerator.HamiltonianPermutations(4).ToArray(); - - private static PermutationsGenerator.Permutation[] Permutations5 { get; } = PermutationsGenerator.HamiltonianPermutations(5).ToArray(); + private static PermutationsGenerator.Permutation[][] Permutations { get; } = new[] + { + PermutationsGenerator.HamiltonianPermutations(0).ToArray(), + PermutationsGenerator.HamiltonianPermutations(1).ToArray(), + PermutationsGenerator.HamiltonianPermutations(2).ToArray(), + PermutationsGenerator.HamiltonianPermutations(3).ToArray(), + PermutationsGenerator.HamiltonianPermutations(4).ToArray(), + PermutationsGenerator.HamiltonianPermutations(5).ToArray(), + PermutationsGenerator.HamiltonianPermutations(6).ToArray(), + PermutationsGenerator.HamiltonianPermutations(7).ToArray(), + PermutationsGenerator.HamiltonianPermutations(8).ToArray(), + PermutationsGenerator.HamiltonianPermutations(9).ToArray(), + }; public static IEnumerable HamiltonianPermutations(int n) { - switch (n) + if (n > 9) { - case 1: - return Permutations1; - case 2: - return Permutations2; - case 3: - return Permutations3; - case 4: - return Permutations4; - case 5: - return Permutations5; - default: - return PermutationsGenerator.HamiltonianPermutations(n); + return PermutationsGenerator.HamiltonianPermutations(n); } + + return Permutations[n]; } } }