664 lines
21 KiB
C#
664 lines
21 KiB
C#
/*
|
|
Copyright 2014 Alex Dyachenko
|
|
|
|
This file is part of the MPIR Library.
|
|
|
|
The MPIR Library is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published
|
|
by the Free Software Foundation; either version 3 of the License, or (at
|
|
your option) any later version.
|
|
|
|
The MPIR Library is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
|
|
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
|
|
License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with the MPIR Library. If not, see http://www.gnu.org/licenses/.
|
|
*/
|
|
|
|
using System;
|
|
using Microsoft.VisualStudio.TestTools.UnitTesting;
|
|
|
|
namespace MPIR.Tests.HugeIntTests
|
|
{
|
|
[TestClass]
|
|
public class Comparisons
|
|
{
|
|
#region CompareTo
|
|
|
|
[TestMethod]
|
|
public void IntCompareToHugeInt()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.AreEqual(1, System.Math.Sign(b.CompareTo(a)));
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareTo(-b)));
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareTo(null)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareToObject()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.AreEqual(1, System.Math.Sign(((IComparable)b).CompareTo((object)a)));
|
|
Assert.AreEqual(-1, System.Math.Sign(((IComparable)a).CompareTo((object)b)));
|
|
Assert.AreEqual(1, System.Math.Sign(((IComparable)a).CompareTo(null)));
|
|
Assert.AreEqual(0, System.Math.Sign(((IComparable)(a + 1)).CompareTo((object)-b)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareToExpression()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.AreEqual(1, System.Math.Sign(((IComparable<IntegerExpression>)b).CompareTo(a)));
|
|
Assert.AreEqual(-1, System.Math.Sign(((IComparable<IntegerExpression>)a).CompareTo(b)));
|
|
Assert.AreEqual(1, System.Math.Sign(((IComparable<IntegerExpression>)a).CompareTo(null)));
|
|
Assert.AreEqual(0, System.Math.Sign(((IComparable<IntegerExpression>)(a + 1)).CompareTo(-b)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
[ExpectedException(typeof(ArgumentException))]
|
|
public void IntCompareToNonExpression()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
{
|
|
a.CompareTo("abc");
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareToLimb()
|
|
{
|
|
using (var a = new HugeInt("-222509821"))
|
|
{
|
|
ulong b = 222509820;
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b)));
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((-(a + 1)).CompareTo(b)));
|
|
Assert.AreEqual(1, System.Math.Sign((-a).CompareTo(b)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareToSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-222509821"))
|
|
{
|
|
long b = -222509820;
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b)));
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareTo(b)));
|
|
Assert.AreEqual(0, System.Math.Sign(a.CompareTo(b - 1)));
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareTo(b - 2)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareToSignedDouble()
|
|
{
|
|
using (var a = new HugeInt("-222509821"))
|
|
{
|
|
double b = -222509820;
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b)));
|
|
Assert.AreEqual(-1, System.Math.Sign(a.CompareTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareTo(b)));
|
|
Assert.AreEqual(0, System.Math.Sign(a.CompareTo(b - 1)));
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareTo(b - 1.1)));
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region comparison operators with expr
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThan()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
using (var c = new HugeInt())
|
|
{
|
|
c.Value = a;
|
|
Assert.IsTrue(a < b);
|
|
Assert.IsFalse(b < a);
|
|
Assert.IsFalse(a < c);
|
|
Assert.IsFalse(a < null);
|
|
Assert.IsTrue(null < a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanOrEqual()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
using (var c = new HugeInt())
|
|
{
|
|
c.Value = a;
|
|
Assert.IsTrue(a <= b);
|
|
Assert.IsFalse(b <= a);
|
|
Assert.IsTrue(a <= c);
|
|
Assert.IsFalse(a <= null);
|
|
Assert.IsTrue(null <= a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThan()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
using (var c = new HugeInt())
|
|
{
|
|
c.Value = a;
|
|
Assert.IsFalse(a > b);
|
|
Assert.IsTrue(b > a);
|
|
Assert.IsFalse(a > c);
|
|
Assert.IsTrue(a > null);
|
|
Assert.IsFalse(null > a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanOrEqual()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
using (var c = new HugeInt())
|
|
{
|
|
c.Value = a;
|
|
Assert.IsFalse(a >= b);
|
|
Assert.IsTrue(b >= a);
|
|
Assert.IsTrue(a >= c);
|
|
Assert.IsTrue(a >= null);
|
|
Assert.IsFalse(null >= a);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region comparison operators with limb
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanLimb()
|
|
{
|
|
using (var a = new HugeInt("3845721"))
|
|
{
|
|
ulong c = 5432;
|
|
ulong b = 5432349587;
|
|
Assert.IsTrue(a < b);
|
|
Assert.IsFalse(b < a);
|
|
Assert.IsFalse(a < c);
|
|
Assert.IsTrue(c < a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanOrEqualLimb()
|
|
{
|
|
using (var a = new HugeInt("3845721"))
|
|
{
|
|
ulong c = 5432;
|
|
ulong b = 5432349587;
|
|
ulong d = 3845721;
|
|
Assert.IsTrue(a <= b);
|
|
Assert.IsFalse(b <= a);
|
|
Assert.IsFalse(a <= c);
|
|
Assert.IsTrue(c <= a);
|
|
Assert.IsTrue(a <= d);
|
|
Assert.IsTrue(d <= a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanLimb()
|
|
{
|
|
using (var a = new HugeInt("3845721"))
|
|
{
|
|
ulong c = 5432;
|
|
ulong b = 5432349587;
|
|
Assert.IsFalse(a > b);
|
|
Assert.IsTrue(b > a);
|
|
Assert.IsTrue(a > c);
|
|
Assert.IsFalse(c > a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanOrEqualLimb()
|
|
{
|
|
using (var a = new HugeInt("3845721"))
|
|
{
|
|
ulong c = 5432;
|
|
ulong b = 5432349587;
|
|
ulong d = 3845721;
|
|
Assert.IsFalse(a >= b);
|
|
Assert.IsTrue(b >= a);
|
|
Assert.IsTrue(a >= c);
|
|
Assert.IsFalse(c >= a);
|
|
Assert.IsTrue(a >= d);
|
|
Assert.IsTrue(d >= a);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region comparison operators with signed limb
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
long c = -543254325432;
|
|
long b = -9587;
|
|
Assert.IsTrue(a < b);
|
|
Assert.IsFalse(b < a);
|
|
Assert.IsFalse(a < c);
|
|
Assert.IsTrue(c < a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanOrEqualSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
long c = -543254325432;
|
|
long b = -9587;
|
|
long d = -3845721;
|
|
Assert.IsTrue(a <= b);
|
|
Assert.IsFalse(b <= a);
|
|
Assert.IsFalse(a <= c);
|
|
Assert.IsTrue(c <= a);
|
|
Assert.IsTrue(a <= d);
|
|
Assert.IsTrue(d <= a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
long c = -543254325432;
|
|
long b = -9587;
|
|
Assert.IsFalse(a > b);
|
|
Assert.IsTrue(b > a);
|
|
Assert.IsTrue(a > c);
|
|
Assert.IsFalse(c > a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanOrEqualSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
long c = -543254325432;
|
|
long b = -9587;
|
|
long d = -3845721;
|
|
Assert.IsFalse(a >= b);
|
|
Assert.IsTrue(b >= a);
|
|
Assert.IsTrue(a >= c);
|
|
Assert.IsFalse(c >= a);
|
|
Assert.IsTrue(a >= d);
|
|
Assert.IsTrue(d >= a);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region comparison operators with double
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanDouble()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
double c = -543254325432;
|
|
double b = -9587;
|
|
Assert.IsTrue(a < b);
|
|
Assert.IsFalse(b < a);
|
|
Assert.IsFalse(a < c);
|
|
Assert.IsTrue(c < a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorLessThanOrEqualDouble()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
double c = -543254325432;
|
|
double b = -9587;
|
|
double d = -3845721;
|
|
Assert.IsTrue(a <= b);
|
|
Assert.IsFalse(b <= a);
|
|
Assert.IsFalse(a <= c);
|
|
Assert.IsTrue(c <= a);
|
|
Assert.IsTrue(a <= d);
|
|
Assert.IsTrue(d <= a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanDouble()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
double c = -543254325432;
|
|
double b = -9587;
|
|
Assert.IsFalse(a > b);
|
|
Assert.IsTrue(b > a);
|
|
Assert.IsTrue(a > c);
|
|
Assert.IsFalse(c > a);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntOperatorGreaterThanOrEqualDouble()
|
|
{
|
|
using (var a = new HugeInt("-3845721"))
|
|
{
|
|
double c = -543254325432;
|
|
double b = -9587;
|
|
double d = -3845721;
|
|
Assert.IsFalse(a >= b);
|
|
Assert.IsTrue(b >= a);
|
|
Assert.IsTrue(a >= c);
|
|
Assert.IsFalse(c >= a);
|
|
Assert.IsTrue(a >= d);
|
|
Assert.IsTrue(d >= a);
|
|
Assert.IsFalse(d - 0.1 >= a);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Equals
|
|
|
|
[TestMethod]
|
|
public void IntEqualsHugeInt()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.IsFalse(b.Equals(a));
|
|
Assert.IsFalse(a.Equals(b + 1));
|
|
Assert.IsTrue((a + 1).Equals(-b));
|
|
Assert.IsFalse(a.Equals(null));
|
|
Assert.IsTrue(Equals(a + 1, -b));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntEqualsExpression()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.IsFalse(((IEquatable<IntegerExpression>)b).Equals(a));
|
|
Assert.IsFalse(((IEquatable<IntegerExpression>)a).Equals(b));
|
|
Assert.IsFalse(((IEquatable<IntegerExpression>)a).Equals(null));
|
|
Assert.IsTrue(((IEquatable<IntegerExpression>)(a + 1)).Equals(-b));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntEqualsNonExpression()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
{
|
|
Assert.IsFalse(a.Equals("abc"));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntEqualsLimb()
|
|
{
|
|
using (var a = new HugeInt("222509832503"))
|
|
{
|
|
ulong b = 222509832504;
|
|
Assert.IsFalse(a.Equals(b + 1));
|
|
Assert.IsTrue(a.Equals(b - 1));
|
|
Assert.IsTrue((a + 1).Equals(b));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntEqualsSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-222509832505"))
|
|
{
|
|
long b = -222509832504;
|
|
Assert.IsFalse(a.Equals(b + 1));
|
|
Assert.IsTrue(a.Equals(b - 1));
|
|
Assert.IsTrue((a + 1).Equals(b));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntEqualsDouble()
|
|
{
|
|
using (var a = new HugeInt("-222509832505"))
|
|
{
|
|
double b = -222509832504;
|
|
Assert.IsFalse(a.Equals(b + 1));
|
|
Assert.IsTrue(a.Equals(b - 1));
|
|
Assert.IsTrue((a + 1).Equals(b));
|
|
Assert.IsFalse((a + 1).Equals(b + 0.1));
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Equality operators with expr
|
|
|
|
[TestMethod]
|
|
public void IntEqualsOperatorHugeInt()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.IsFalse(b == a);
|
|
Assert.IsFalse(a == b + 1);
|
|
Assert.IsTrue(a + 1 == -b);
|
|
Assert.IsFalse(a == null);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntNotEqualOperatorHugeInt()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.IsTrue(b != a);
|
|
Assert.IsTrue(a != b + 1);
|
|
Assert.IsFalse(a + 1 != -b);
|
|
Assert.IsTrue(a != null);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Equality operators with Limb
|
|
|
|
[TestMethod]
|
|
public void IntEqualsOperatorLimb()
|
|
{
|
|
using (var a = new HugeInt("-835740293845721"))
|
|
{
|
|
ulong b = 835740293845720;
|
|
Assert.IsFalse(b == a);
|
|
Assert.IsFalse(a == b + 1);
|
|
Assert.IsTrue(-(a + 1) == b);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntNotEqualOperatorLimb()
|
|
{
|
|
using (var a = new HugeInt("-835740293845721"))
|
|
{
|
|
ulong b = 835740293845720;
|
|
Assert.IsTrue(b != a);
|
|
Assert.IsTrue(a != b + 1);
|
|
Assert.IsFalse(-(a + 1) != b);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Equality operators with Signed Limb
|
|
|
|
[TestMethod]
|
|
public void IntEqualsOperatorSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-835740293845721"))
|
|
{
|
|
long b = -835740293845720;
|
|
Assert.IsFalse(b == a);
|
|
Assert.IsFalse(a == b + 1);
|
|
Assert.IsTrue(a + 1 == b);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntNotEqualOperatorSignedLimb()
|
|
{
|
|
using (var a = new HugeInt("-835740293845721"))
|
|
{
|
|
long b = -835740293845720;
|
|
Assert.IsTrue(b != a);
|
|
Assert.IsTrue(a != b + 1);
|
|
Assert.IsFalse(a + 1 != b);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Equality operators with Double
|
|
|
|
[TestMethod]
|
|
public void IntEqualsOperatorDouble()
|
|
{
|
|
using (var a = new HugeInt("-835740293845721"))
|
|
{
|
|
double b = -835740293845720;
|
|
Assert.IsFalse(b == a);
|
|
Assert.IsFalse(a == b + 1);
|
|
Assert.IsTrue(a + 1 == b);
|
|
Assert.IsFalse(a + 1 == b + 0.1);
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntNotEqualOperatorDouble()
|
|
{
|
|
using (var a = new HugeInt("-835740293845721"))
|
|
{
|
|
double b = -835740293845720;
|
|
Assert.IsTrue(b != a);
|
|
Assert.IsTrue(a != b + 1);
|
|
Assert.IsFalse(a + 1 != b);
|
|
Assert.IsTrue(a + 1 != b + 0.1);
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region GetHashCode
|
|
|
|
[TestMethod]
|
|
public void IntGetHashCodeTest()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
{
|
|
Assert.AreNotEqual(0, a.GetHashCode());
|
|
Assert.AreEqual(a.GetHashCode(), (a + 0).GetHashCode());
|
|
Assert.AreNotEqual(a.GetHashCode(), (-a).GetHashCode());
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region CompareAbsTo
|
|
|
|
[TestMethod]
|
|
public void IntCompareAbsToHugeInt()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
using (var b = new HugeInt("222509832503450298345029835740293845720"))
|
|
{
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareAbsTo(b)));
|
|
Assert.AreEqual(-1, System.Math.Sign(b.CompareAbsTo(a)));
|
|
Assert.AreEqual(0, System.Math.Sign(a.CompareAbsTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareAbsTo(b)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareAbsTo(-b)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareAbsToLimb()
|
|
{
|
|
using (var a = new HugeInt("-222509821"))
|
|
{
|
|
ulong b = 222509820;
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareAbsTo(b)));
|
|
Assert.AreEqual(0, System.Math.Sign(a.CompareAbsTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((-a).CompareAbsTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareAbsTo(b)));
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareAbsTo(b)));
|
|
Assert.AreEqual(1, System.Math.Sign((-a).CompareAbsTo(b)));
|
|
}
|
|
}
|
|
|
|
[TestMethod]
|
|
public void IntCompareAbsToDouble()
|
|
{
|
|
using (var a = new HugeInt("-222509821"))
|
|
{
|
|
double b = 222509820;
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareAbsTo(b)));
|
|
Assert.AreEqual(0, System.Math.Sign(a.CompareAbsTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((-a).CompareAbsTo(b + 1)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareAbsTo(b)));
|
|
Assert.AreEqual(0, System.Math.Sign((a + 1).CompareAbsTo(-b)));
|
|
Assert.AreEqual(1, System.Math.Sign((a + 1).CompareAbsTo(b - 0.1)));
|
|
Assert.AreEqual(1, System.Math.Sign(a.CompareAbsTo(b)));
|
|
Assert.AreEqual(1, System.Math.Sign((-a).CompareAbsTo(b)));
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
|
|
#region Sign
|
|
|
|
[TestMethod]
|
|
public void IntSign()
|
|
{
|
|
using (var a = new HugeInt("-222509832503450298345029835740293845721"))
|
|
{
|
|
Assert.AreEqual(-1, a.Sign());
|
|
Assert.AreEqual(1, (-a).Sign());
|
|
Assert.AreEqual(0, (a-a).Sign());
|
|
}
|
|
}
|
|
|
|
#endregion
|
|
//more tests coming here
|
|
}
|
|
}
|