public void DenseVectorStorageBuilderMethods_ZeroLength_DoNotThrowException()
{
Assert.DoesNotThrow(() => new DenseVectorStorage <double>(0));
Assert.DoesNotThrow(() => new DenseVectorStorage <double>(0, Array.Empty <double>()));
Assert.DoesNotThrow(() => DenseVectorStorage <double> .OfValue(0, 42));
Assert.DoesNotThrow(() => DenseVectorStorage <double> .OfInit(0, index => 42));
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided value.
/// </summary>
public static DenseVector Create(int length, Complex32 value)
{
if (value == Complex32.Zero)
{
return(new DenseVector(length));
}
return(new DenseVector(DenseVectorStorage <Complex32> .OfInit(length, i => value)));
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided value.
/// </summary>
public static DenseVector Create(int length, float value)
{
if (value == 0f)
{
return(new DenseVector(length));
}
return(new DenseVector(DenseVectorStorage <float> .OfInit(length, i => value)));
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided value.
/// </summary>
public static DenseVector Create(int length, double value)
{
if (value == 0d)
{
return(new DenseVector(length));
}
return(new DenseVector(DenseVectorStorage <double> .OfInit(length, i => value)));
}
/// <summary>
/// Create a new dense vector with values sampled from the provided random distribution.
/// </summary>
public static DenseVector CreateRandom(int length, IContinuousDistribution distribution)
{
return(new DenseVector(DenseVectorStorage <Complex32> .OfInit(length,
i => new Complex32((float)distribution.Sample(), (float)distribution.Sample()))));
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided init function.
/// </summary>
public static DenseVector Create(int length, Func <int, Complex32> init)
{
return(new DenseVector(DenseVectorStorage <Complex32> .OfInit(length, init)));
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided init function.
/// </summary>
public static DenseVector Create(int length, Func <int, float> init)
{
return(new DenseVector(DenseVectorStorage <float> .OfInit(length, init)));
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided init function.
/// </summary>
public static DenseVector Create(int length, Func<int, double> init)
{
return new DenseVector(DenseVectorStorage<double>.OfInit(length, init));
}
public DenseVector(int length, double value)
: this(DenseVectorStorage <double> .OfInit(length, i => value))
{
}
/// <summary>
/// Create a new dense vector with values sampled from the provided random distribution.
/// </summary>
public static DenseVector CreateRandom(int length, IContinuousDistribution distribution)
{
return(new DenseVector(DenseVectorStorage <double> .OfInit(length,
i => distribution.Sample())));
}
public void DenseVectorStorageOfInit_NegativeLength_ThrowsArgumentException()
{
Assert.That(() => DenseVectorStorage <double> .OfInit(-1, index => 42),
Throws.TypeOf <ArgumentOutOfRangeException>()
.With.Message.Contains("Value must not be negative (zero is ok)."));
}
public DenseVector(int length, float value)
: this(DenseVectorStorage <float> .OfInit(length, i => value))
{
}
public DenseVector(int length, Complex32 value)
: this(DenseVectorStorage <Complex32> .OfInit(length, i => value))
{
}
/// <summary>
/// Create a new dense vector and initialize each value using the provided init function.
/// </summary>
public Vector <T> Dense(int length, Func <int, T> init)
{
return(Dense(DenseVectorStorage <T> .OfInit(length, init)));
}