public virtual void TestArccos()
{
NUnit.Framework.Assert.AreEqual(System.Math.Pi, SloppyMath.Acos(-1.0), 0.001);
NUnit.Framework.Assert.AreEqual(0, SloppyMath.Acos(1.0), 0.001);
NUnit.Framework.Assert.AreEqual(System.Math.Pi / 2, SloppyMath.Acos(0.0), 0.001);
for (double x = -1.0; x < 1.0; x += 0.001)
{
NUnit.Framework.Assert.AreEqual(System.Math.Acos(x), SloppyMath.Acos(x), 0.001);
}
try
{
SloppyMath.Acos(-1.0000001);
NUnit.Framework.Assert.IsFalse(true);
}
catch (ArgumentException)
{
}
try
{
SloppyMath.Acos(1.0000001);
NUnit.Framework.Assert.IsFalse(true);
}
catch (ArgumentException)
{
}
}
public virtual void TestRound1()
{
NUnit.Framework.Assert.AreEqual(0.0, SloppyMath.Round(0.499));
NUnit.Framework.Assert.AreEqual(0.0, SloppyMath.Round(-0.5));
NUnit.Framework.Assert.AreEqual(10.0, SloppyMath.Round(10));
NUnit.Framework.Assert.AreEqual(10.0, SloppyMath.Round(10.32));
}
public virtual void TestRound2()
{
NUnit.Framework.Assert.AreEqual(3.14, SloppyMath.Round(System.Math.Pi, 2));
NUnit.Framework.Assert.AreEqual(400.0, SloppyMath.Round(431.5, -2));
NUnit.Framework.Assert.AreEqual(432.0, SloppyMath.Round(431.5, 0));
NUnit.Framework.Assert.AreEqual(0.0, SloppyMath.Round(-0.05, 1));
NUnit.Framework.Assert.AreEqual(-0.05, SloppyMath.Round(-0.05, 2));
}
public virtual void TestIntPow()
{
NUnit.Framework.Assert.IsTrue(SloppyMath.IntPow(3, 5) == System.Math.Pow(3, 5));
NUnit.Framework.Assert.IsTrue(SloppyMath.IntPow(3.3, 5) - System.Math.Pow(3.3, 5) < 1e-4);
NUnit.Framework.Assert.AreEqual(1, SloppyMath.IntPow(5, 0));
NUnit.Framework.Assert.AreEqual(3125, SloppyMath.IntPow(5, 5));
NUnit.Framework.Assert.AreEqual(32, SloppyMath.IntPow(2, 5));
NUnit.Framework.Assert.AreEqual(3, SloppyMath.IntPow(3, 1));
NUnit.Framework.Assert.AreEqual(1158.56201, SloppyMath.IntPow(4.1, 5), 1e-4);
NUnit.Framework.Assert.AreEqual(1158.56201f, SloppyMath.IntPow(4.1f, 5), 1e-2);
}
public virtual void TestPythonMod()
{
NUnit.Framework.Assert.AreEqual(0, SloppyMath.PythonMod(9, 3));
NUnit.Framework.Assert.AreEqual(0, SloppyMath.PythonMod(-9, 3));
NUnit.Framework.Assert.AreEqual(0, SloppyMath.PythonMod(9, -3));
NUnit.Framework.Assert.AreEqual(0, SloppyMath.PythonMod(-9, -3));
NUnit.Framework.Assert.AreEqual(2, SloppyMath.PythonMod(8, 3));
NUnit.Framework.Assert.AreEqual(1, SloppyMath.PythonMod(-8, 3));
NUnit.Framework.Assert.AreEqual(-1, SloppyMath.PythonMod(8, -3));
NUnit.Framework.Assert.AreEqual(-2, SloppyMath.PythonMod(-8, -3));
}
public virtual void TestLogAdd()
{
double d1 = 0.1;
double d2 = 0.2;
double lsum = SloppyMath.LogAdd(d1, d2);
double myLsum = 0;
myLsum += System.Math.Exp(d1);
myLsum += System.Math.Exp(d2);
myLsum = System.Math.Log(myLsum);
NUnit.Framework.Assert.IsTrue(myLsum == lsum);
}
public virtual void TestParseDouble()
{
for (int @base = -10; @base < 10; ++@base)
{
if (@base == 0)
{
continue;
}
for (int exponent = -100; exponent < 100; ++exponent)
{
double number = System.Math.Pow(System.Math.Pi * @base, exponent);
Triple <bool, long, int> parts = SloppyMath.SegmentDouble(number);
double parsed = SloppyMath.ParseDouble(parts.first, parts.second, parts.third);
NUnit.Framework.Assert.AreEqual(number, parsed, System.Math.Abs(parsed) / 1.0e5);
}
}
}
public virtual void TestIsVeryDangerous()
{
NUnit.Framework.Assert.IsTrue(SloppyMath.IsDangerous(double.PositiveInfinity) && SloppyMath.IsDangerous(double.NaN));
}
public virtual void TestMin()
{
NUnit.Framework.Assert.AreEqual(1, SloppyMath.Min(1, 2, 3));
}
public virtual void TestParseInt()
{
NUnit.Framework.Assert.AreEqual(42, SloppyMath.ParseInt("42"));
NUnit.Framework.Assert.AreEqual(-42, SloppyMath.ParseInt("-42"));
NUnit.Framework.Assert.AreEqual(42000000000000l, SloppyMath.ParseInt("42000000000000"));
}