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Updated to Java commit 07f0586 (2010.06.25): incorporate BigInt
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,166 @@ | ||
| /** | ||
| * Copyright (c) Rich Hickey. All rights reserved. | ||
| * The use and distribution terms for this software are covered by the | ||
| * Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) | ||
| * which can be found in the file epl-v10.html at the root of this distribution. | ||
| * By using this software in any fashion, you are agreeing to be bound by | ||
| * the terms of this license. | ||
| * You must not remove this notice, or any other, from this software. | ||
| **/ | ||
|
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| /** | ||
| * Author: David Miller | ||
| **/ | ||
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| using System; | ||
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| namespace clojure.lang | ||
| { | ||
| // Copying JVM's clojure.lang.BigInt class as closely as possible | ||
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| public class BigInt | ||
| { | ||
| #region Data | ||
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| readonly long _lpart; | ||
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| public long Lpart | ||
| { | ||
| get { return _lpart; } | ||
| } | ||
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| readonly BigInteger _bipart; | ||
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| public BigInteger Bipart | ||
| { | ||
| get { return _bipart; } | ||
| } | ||
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| public static readonly BigInt ZERO = new BigInt(0, null); | ||
| public static readonly BigInt ONE = new BigInt(1, null); | ||
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| #endregion | ||
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| #region Ctors and factory methods | ||
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| private BigInt(long lpart, BigInteger bipart) | ||
| { | ||
| _lpart = lpart; | ||
| _bipart = bipart; | ||
| } | ||
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| public static BigInt fromBigInteger(BigInteger val) | ||
| { | ||
| long n; | ||
| if (val.AsInt64(out n)) | ||
| return new BigInt(n, null); | ||
| return new BigInt(0, val); | ||
| } | ||
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| public static BigInt fromLong(long val) | ||
| { | ||
| return new BigInt(val, null); | ||
| } | ||
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| public static BigInt valueOf(long val) | ||
| { | ||
| return new BigInt(val, null); | ||
| } | ||
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| #endregion | ||
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| #region Object overrides | ||
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| public override bool Equals(object obj) | ||
| { | ||
| if (this == obj) | ||
| return true; | ||
| if (obj is BigInt) | ||
| { | ||
| BigInt o = (BigInt)obj; | ||
| if (_bipart == null) | ||
| return o._bipart == null && _lpart == o._lpart; | ||
| return o._bipart != null && _bipart.Equals(o._bipart); | ||
| } | ||
| return false; | ||
| } | ||
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| public override int GetHashCode() | ||
| { | ||
| if (_bipart == null) | ||
| return _lpart.GetHashCode(); | ||
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| return _bipart.GetHashCode(); | ||
| } | ||
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| public override string ToString() | ||
| { | ||
| if ( _bipart == null ) | ||
| return _lpart.ToString(); | ||
| return _bipart.ToString(); | ||
| } | ||
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| #endregion | ||
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| #region Conversions | ||
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| public BigInteger toBigInteger() | ||
| { | ||
| if (_bipart == null) | ||
| return BigInteger.Create(_lpart); | ||
| else | ||
| return _bipart; | ||
| } | ||
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| public int intValue() | ||
| { | ||
| if (_bipart == null) | ||
| return (int)_lpart; | ||
| else | ||
| return _bipart.ToInt32(); | ||
| } | ||
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| public long longValue() | ||
| { | ||
| if (_bipart == null) | ||
| return _lpart; | ||
| else | ||
| return _bipart.ToInt64(); | ||
| } | ||
|
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| public float floatValue() | ||
| { | ||
| if (_bipart == null) | ||
| return _lpart; | ||
| else | ||
| return _bipart.ToSingle(null); | ||
| } | ||
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| public double doubleValue() | ||
| { | ||
| if (_bipart == null) | ||
| return _lpart; | ||
| else | ||
| return _bipart.ToDouble(null); | ||
| } | ||
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| public byte byteValue() | ||
| { | ||
| if (_bipart == null) | ||
| return (byte)_lpart; | ||
| else | ||
| return _bipart.ToByte(null); | ||
| } | ||
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| public short shortValue() | ||
| { | ||
| if (_bipart == null) | ||
| return (short)_lpart; | ||
| else | ||
| return _bipart.ToInt16(null); | ||
| } | ||
|
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| #endregion | ||
| } | ||
| } |
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