public void Replace_ShouldSucceed()
{
var A = new VectorXD(new double[] { 1, 3, -1, 0, double.PositiveInfinity, -1 }).ToSparse();
A.Replace(x => x == -1 ? 0.0 : x);
Assert.Equal(0, A.Get(2));
Assert.Equal(0, A.Get(5));
A.Replace(x => double.IsInfinity(x) ? 0.0 : x);
Assert.Equal(0, A.Get(4));
}
public void Replace_ShouldSucceed()
{
var A = new VectorXD(new double[] { 1, 3, double.NaN, 0, double.PositiveInfinity, double.NaN });
A.Replace(x => double.IsNaN(x) ? 0.0 : x);
Assert.Equal(0, A.Get(2));
Assert.Equal(0, A.Get(5));
A.Replace(x => double.IsInfinity(x) ? 0.0 : x);
Assert.Equal(0, A.Get(4));
}
public void Identity_ShouldSucceed()
{
VectorXD v = VectorXD.Identity(3, 1);
Assert.True(v.Max() <= 1.0);
Assert.True(v.Min() >= 0.0);
Assert.Equal(3, v.Length);
Assert.Equal(1, v.Get(1));
Assert.Equal(0, v.Get(0));
Assert.Equal(0, v.Get(2));
}
public void ConstructorString_ShouldSucceed()
{
double[] values = new double[] { 1.0, 2.0, 5.0, 6.0 };
int length = 4;
VectorXD v = new VectorXD("1 2 5 6");
Assert.Equal(length, v.Length);
for (int i = 0; i < length; i++)
{
Assert.Equal(values[i], v.Get(i));
}
}