/// <summary> Spline initialisation from X, Y input arrays and boundary conditions (slopes at end points)
/// X must be in ascending order. </summary>
public override void Load(ClWeightedPoint[] data, Spline1DBuilder parameters)
{
// if left or right slope is not set calculate it from first or last two points
if (parameters.SlopeRight.IsEmpty)
{
slopeRight_ = (data[data.Length - 1].Value - data[data.Length - 2].Value) /
(data[data.Length - 1].X[0] - data[data.Length - 2].X[0]);
}
else
{
slopeRight_ = parameters.SlopeRight;
}
if (parameters.SlopeLeft.IsEmpty)
{
slopeLeft_ = (data[1].Value - data[0].Value) / (data[1].X[0] - data[0].X[0]);
}
else
{
slopeLeft_ = parameters.SlopeLeft;
}
base.Load(data);
// Number of unknown b_i.
equationSize_ = pointsNumber_;
}
/// <summary> Spline initialisation from X, Y input arrays and boundary conditions (slopes and values at end points)
/// X must be in ascending order. </summary>
public override void Load(ClWeightedPoint[] data, Spline1DBuilder parameters)
{
// if left or right end value is not set take value from first or last point
if (parameters.ValueRight.IsEmpty)
{
valueRight_ = data[data.Length - 1].Value;
}
else
{
valueRight_ = parameters.ValueRight;
}
if (parameters.ValueLeft.IsEmpty)
{
valueLeft_ = data[0].Value;
}
else
{
valueLeft_ = parameters.ValueLeft;
}
base.Load(data);
// Number of unknown b_i.
equationSize_ = pointsNumber_;
}
/// <summary> Spline initialisation from X, Y input arrays.
/// u is array of uncertainties.
/// X must be in ascending order. </summary>
virtual public void Load(ClWeightedPoint[] data, Spline1DBuilder parameters = null)
{
// Number of points.
pointsNumber_ = data.Length;
// Number of unknown b_i.
equationSize_ = pointsNumber_ - 2;
// Initialise spline sections (input points are (x_0, y_0), ..., (x_n, y_n)).
splineSections_ = new ClSplineCubicSection[pointsNumber_];
for (int i = 0; i < pointsNumber_; ++i)
{
splineSections_[i] = new ClSplineCubicSection {
X = data[i].X[0], Y = data[i].Value, Weight = 1
};
// TODO Fix NaN problem with weigths.
//splineSections_[i].Weight = data[i].Weight;
}
// Calculate spline helper variables.
CalculateHelperVariables();
}
public ClSplineCubicSmoothEndValue1D(Spline1DBuilder parameters) : base(parameters)
{
splineMath_ = new SplineCubicSmoothEndValue1DUtils();
}
public ClSplineCubicSmooth1D(Spline1DBuilder parameters)
{
params_ = parameters;
}