146 lines
5.6 KiB
C#
146 lines
5.6 KiB
C#
using System.Numerics;
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namespace PerfectNumbers.Core
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{
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public static class Pow2Provider
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{
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public static BigInteger BigInteger(int i) => i switch
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{
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0 => System.Numerics.BigInteger.One,
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1 => BigIntegerNumbers.Two,
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2 => BigIntegerNumbers.Pow2Exact2,
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3 => BigIntegerNumbers.Pow2Exact3,
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4 => BigIntegerNumbers.Pow2Exact4,
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5 => BigIntegerNumbers.Pow2Exact5,
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6 => BigIntegerNumbers.Pow2Exact6,
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7 => BigIntegerNumbers.Pow2Exact7,
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8 => BigIntegerNumbers.Pow2Exact8,
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9 => BigIntegerNumbers.Pow2Exact9,
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10 => BigIntegerNumbers.Pow2Exact10,
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11 => BigIntegerNumbers.Pow2Exact11,
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12 => BigIntegerNumbers.Pow2Exact12,
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13 => BigIntegerNumbers.Pow2Exact13,
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14 => BigIntegerNumbers.Pow2Exact14,
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15 => BigIntegerNumbers.Pow2Exact15,
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16 => BigIntegerNumbers.Pow2Exact16,
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17 => BigIntegerNumbers.Pow2Exact17,
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18 => BigIntegerNumbers.Pow2Exact18,
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19 => BigIntegerNumbers.Pow2Exact19,
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20 => BigIntegerNumbers.Pow2Exact20,
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21 => BigIntegerNumbers.Pow2Exact21,
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22 => BigIntegerNumbers.Pow2Exact22,
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23 => BigIntegerNumbers.Pow2Exact23,
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24 => BigIntegerNumbers.Pow2Exact24,
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25 => BigIntegerNumbers.Pow2Exact25,
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26 => BigIntegerNumbers.Pow2Exact26,
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27 => BigIntegerNumbers.Pow2Exact27,
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28 => BigIntegerNumbers.Pow2Exact28,
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29 => BigIntegerNumbers.Pow2Exact29,
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30 => BigIntegerNumbers.Pow2Exact30,
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31 => BigIntegerNumbers.Pow2Exact31,
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32 => BigIntegerNumbers.Pow2Exact32,
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33 => BigIntegerNumbers.Pow2Exact33,
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34 => BigIntegerNumbers.Pow2Exact34,
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35 => BigIntegerNumbers.Pow2Exact35,
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36 => BigIntegerNumbers.Pow2Exact36,
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37 => BigIntegerNumbers.Pow2Exact37,
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38 => BigIntegerNumbers.Pow2Exact38,
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39 => BigIntegerNumbers.Pow2Exact39,
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40 => BigIntegerNumbers.Pow2Exact40,
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41 => BigIntegerNumbers.Pow2Exact41,
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42 => BigIntegerNumbers.Pow2Exact42,
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43 => BigIntegerNumbers.Pow2Exact43,
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44 => BigIntegerNumbers.Pow2Exact44,
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45 => BigIntegerNumbers.Pow2Exact45,
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46 => BigIntegerNumbers.Pow2Exact46,
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47 => BigIntegerNumbers.Pow2Exact47,
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48 => BigIntegerNumbers.Pow2Exact48,
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49 => BigIntegerNumbers.Pow2Exact49,
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50 => BigIntegerNumbers.Pow2Exact50,
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51 => BigIntegerNumbers.Pow2Exact51,
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52 => BigIntegerNumbers.Pow2Exact52,
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53 => BigIntegerNumbers.Pow2Exact53,
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54 => BigIntegerNumbers.Pow2Exact54,
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55 => BigIntegerNumbers.Pow2Exact55,
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56 => BigIntegerNumbers.Pow2Exact56,
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57 => BigIntegerNumbers.Pow2Exact57,
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58 => BigIntegerNumbers.Pow2Exact58,
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59 => BigIntegerNumbers.Pow2Exact59,
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60 => BigIntegerNumbers.Pow2Exact60,
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61 => BigIntegerNumbers.Pow2Exact61,
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62 => BigIntegerNumbers.Pow2Exact62,
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63 => BigIntegerNumbers.Pow2Exact63,
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_ => throw new ArgumentOutOfRangeException(nameof(i), $"Parameter value {i} is incorrect"),
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};
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public static BigInteger BigIntegerMinusOne(int i) => i switch
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{
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0 => System.Numerics.BigInteger.Zero,
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1 => BigIntegerNumbers.Pow2MinusOne1,
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2 => BigIntegerNumbers.Pow2MinusOne2,
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3 => BigIntegerNumbers.Pow2MinusOne3,
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4 => BigIntegerNumbers.Pow2MinusOne4,
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5 => BigIntegerNumbers.Pow2MinusOne5,
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6 => BigIntegerNumbers.Pow2MinusOne6,
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7 => BigIntegerNumbers.Pow2MinusOne7,
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8 => BigIntegerNumbers.Pow2MinusOne8,
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9 => BigIntegerNumbers.Pow2MinusOne9,
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10 => BigIntegerNumbers.Pow2MinusOne10,
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11 => BigIntegerNumbers.Pow2MinusOne11,
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12 => BigIntegerNumbers.Pow2MinusOne12,
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13 => BigIntegerNumbers.Pow2MinusOne13,
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14 => BigIntegerNumbers.Pow2MinusOne14,
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15 => BigIntegerNumbers.Pow2MinusOne15,
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16 => BigIntegerNumbers.Pow2MinusOne16,
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17 => BigIntegerNumbers.Pow2MinusOne17,
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18 => BigIntegerNumbers.Pow2MinusOne18,
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19 => BigIntegerNumbers.Pow2MinusOne19,
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20 => BigIntegerNumbers.Pow2MinusOne20,
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21 => BigIntegerNumbers.Pow2MinusOne21,
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22 => BigIntegerNumbers.Pow2MinusOne22,
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23 => BigIntegerNumbers.Pow2MinusOne23,
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24 => BigIntegerNumbers.Pow2MinusOne24,
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25 => BigIntegerNumbers.Pow2MinusOne25,
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26 => BigIntegerNumbers.Pow2MinusOne26,
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27 => BigIntegerNumbers.Pow2MinusOne27,
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28 => BigIntegerNumbers.Pow2MinusOne28,
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29 => BigIntegerNumbers.Pow2MinusOne29,
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30 => BigIntegerNumbers.Pow2MinusOne30,
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31 => BigIntegerNumbers.Pow2MinusOne31,
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32 => BigIntegerNumbers.Pow2MinusOne32,
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33 => BigIntegerNumbers.Pow2MinusOne33,
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34 => BigIntegerNumbers.Pow2MinusOne34,
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35 => BigIntegerNumbers.Pow2MinusOne35,
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36 => BigIntegerNumbers.Pow2MinusOne36,
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37 => BigIntegerNumbers.Pow2MinusOne37,
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38 => BigIntegerNumbers.Pow2MinusOne38,
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39 => BigIntegerNumbers.Pow2MinusOne39,
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40 => BigIntegerNumbers.Pow2MinusOne40,
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41 => BigIntegerNumbers.Pow2MinusOne41,
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42 => BigIntegerNumbers.Pow2MinusOne42,
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43 => BigIntegerNumbers.Pow2MinusOne43,
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44 => BigIntegerNumbers.Pow2MinusOne44,
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45 => BigIntegerNumbers.Pow2MinusOne45,
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46 => BigIntegerNumbers.Pow2MinusOne46,
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47 => BigIntegerNumbers.Pow2MinusOne47,
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48 => BigIntegerNumbers.Pow2MinusOne48,
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49 => BigIntegerNumbers.Pow2MinusOne49,
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50 => BigIntegerNumbers.Pow2MinusOne50,
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51 => BigIntegerNumbers.Pow2MinusOne51,
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52 => BigIntegerNumbers.Pow2MinusOne52,
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53 => BigIntegerNumbers.Pow2MinusOne53,
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54 => BigIntegerNumbers.Pow2MinusOne54,
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55 => BigIntegerNumbers.Pow2MinusOne55,
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56 => BigIntegerNumbers.Pow2MinusOne56,
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57 => BigIntegerNumbers.Pow2MinusOne57,
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58 => BigIntegerNumbers.Pow2MinusOne58,
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59 => BigIntegerNumbers.Pow2MinusOne59,
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60 => BigIntegerNumbers.Pow2MinusOne60,
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61 => BigIntegerNumbers.Pow2MinusOne61,
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62 => BigIntegerNumbers.Pow2MinusOne62,
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63 => BigIntegerNumbers.Pow2MinusOne63,
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1024 => BigIntegerNumbers.Pow2MinusOne1024,
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_ => throw new ArgumentOutOfRangeException(nameof(i), $"Parameter value {i} is incorrect"),
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};
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}
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} |