using System;
using System.Collections.Generic;
using System.Text;
using Sunweaver.Commands.Attributes;

namespace Sunweaver.Commands
{
    /// <summary>
    /// 
    /// </summary>
    [BasePair("Square root, but a little different from the standard square root.  This returns the " +
        "signed square root.  For instance, -25 sqrt would return -5. " +
        "Fraction results are rounded to the nearest integer.  eg: 15 sqrt returns 4.")]
    public class sqrt : Abstracts.UnaryOperation
    {
        public override void Operation(long a)
        {
            VM.Stack.Push((long)Math.Sign(a) * (long)Math.Round(Math.Sqrt((double)Math.Abs(a))));
        }
    }
}