// <copyright file="Interpolation.cs" company="Math.NET">
// Math.NET Numerics, part of the Math.NET Project
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namespace MathNet.Numerics.Interpolation
{
    using System;
    using System.Collections.Generic;
    using Algorithms;

    /// <summary>
    /// Interpolation Factory.
    /// </summary>
    public static class Interpolation
    {
        /// <summary>
        /// Creates an interpolation based on arbitrary points.
        /// </summary>
        /// <param name="points">The sample points t. Supports both lists and arrays.</param>
        /// <param name="values">The sample point values x(t). Supports both lists and arrays.</param>
        /// <returns>
        /// An interpolation scheme optimized for the given sample points and values,
        /// which can then be used to compute interpolations and extrapolations
        /// on arbitrary points.
        /// </returns>
        public static IInterpolation Create(
            IList<double> points,
            IList<double> values)
        {
            return CreateRationalPoleFree(points, values);
        }

        /// <summary>
        /// Create a linear spline interpolation based on arbitrary points.
        /// </summary>
        /// <param name="points">The sample points t. Supports both lists and arrays.</param>
        /// <param name="values">The sample point values x(t). Supports both lists and arrays.</param>
        /// <returns>
        /// An interpolation scheme optimized for the given sample points and values,
        /// which can then be used to compute interpolations and extrapolations
        /// on arbitrary points.
        /// </returns>
        public static IInterpolation CreateLinearBetweenPoints(
            IList<double> points,
            IList<double> values)
        {
            LinearSplineInterpolation method = new LinearSplineInterpolation();
            method.Initialize(points, values);
            return method;
        }

        /// <summary>
        /// Create a rational pole-free interpolation based on arbitrary points.
        /// </summary>
        /// <param name="points">The sample points t. Supports both lists and arrays.</param>
        /// <param name="values">The sample point values x(t). Supports both lists and arrays.</param>
        /// <returns>
        /// An interpolation scheme optimized for the given sample points and values,
        /// which can then be used to compute interpolations and extrapolations
        /// on arbitrary points.
        /// </returns>
        public static IInterpolation CreateRationalPoleFree(
            IList<double> points,
            IList<double> values)
        {
            RationalPoleFreeInterpolation method = new RationalPoleFreeInterpolation();
            method.Initialize(points, values);
            return method;
        }
    }
}