inabox/inabox.wpf/Converters/MultiConverters/Calculator/DoubleCalculator.cs

using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Net.Http.Headers;

namespace InABox.WPF
{
    public class DoubleCalculatorFunction : AbstractCalculatorFunction<double, NumericCalculatorType>
    {
        
        protected override double Calculate(double current, double next, NumericCalculatorType type)
        {
            var result = type switch
            {
                NumericCalculatorType.Sum => current + next,
                NumericCalculatorType.Product => current * next,
                NumericCalculatorType.Subtraction => current - next,
                NumericCalculatorType.Maximum => current > next ? current : next,
                NumericCalculatorType.Minimum => current < next ? current : next,
                _ => current
            };
            return result;
        }
    }

    public class DoubleArrayConverter : AbstractNumericArrayConverter<double>
    {
        protected override double[] Convert(IEnumerable<string> values)
        {
            var result =  values.Select(double.Parse).ToArray();
            return result;
        }
    }
    
    public class DoubleCalculator : AbstractNumericCalculator<double, DoubleCalculatorFunction>
    {
        [TypeConverter(typeof(DoubleArrayConverter))]
        public override double[] Constants { get; set; }
    }
    
}