I Need to modify the following code to be able to do floating point numbers Right now all I can handle is whole numbers with this calculator. Could someone please help me and modify my code to handle floating point numbers. thank You.
using System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
namespace HexCalcChar
{
public partial class Calc : Form
{
private string m_value;
private ArrayList m_store;
private System.Windows.Forms.Label lbRes;
public Calc()
{
InitializeComponent();
Decimal.Checked = true;
m_value = "";
m_store = new ArrayList();
}
private void AddOperatorToArray(Button bttn)
{
//the following changes the first part of number to int for hex dec oct bin.
if (HexDecimal.Checked)
{
m_store.Add(baseToInt(m_value, 16));
lbRes.Text += bttn.Text;
m_value = "";
m_store.Add(bttn.Text);
//Period.Enabled = true;
SetEnableOperatorBttns(false);
}
else if (Octal.Checked)
{
m_store.Add(baseToInt(m_value, 8));
lbRes.Text += bttn.Text;
m_value = "";
m_store.Add(bttn.Text);
// Period.Enabled = true;
SetEnableOperatorBttns(false);
}
else if (Decimal.Checked)
{
m_store.Add(baseToInt(m_value, 10));
lbRes.Text += bttn.Text;
m_value = "";
m_store.Add(bttn.Text);
//Period.Enabled = true;
SetEnableOperatorBttns(false);
}
else if (Binary.Checked)
{
m_store.Add(baseToInt(m_value, 2));
lbRes.Text += bttn.Text;
m_value = "";
m_store.Add(bttn.Text);
//Period.Enabled = true;
SetEnableOperatorBttns(false);
}
}
private void AddToArray(Button bttn)
{
m_value += bttn.Text;
lbRes.Text += bttn.Text;
SetEnableOperatorBttns(true);
}
private void Reset()
{
m_value = "";
lbRes.Text = "";
m_store.Clear();
//Period.Enabled = true;
}
private void SetEnableOperatorBttns(bool enable)
{
Add.Enabled = enable;
Subtract.Enabled = enable;
Times.Enabled = enable;
Divide.Enabled = enable;
Equals.Enabled = enable;
}
private string intToBase(int input, int @base)
{
// the following converts base to int and int to base covers bases 2-36
// does not cover floating point numbers or negative numbers
var digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (@base < 2 || @base > 36)
{
throw new ArgumentOutOfRangeException("base", "Must specify a base between 2 and 36, inclusive");
}
if (input < @base && input >= 0)
{
return digits[input].ToString();
}
else
{
return intToBase(input / @base, @base) + digits[input % @base].ToString();
}
}
private int baseToInt(string input, int @base)
{
var digits = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
if (@base < 2 || @base > 36)
{
throw new ArgumentOutOfRangeException("base", "Must specify a base between 2 and 36, inclusive");
}
var digitsInBase = digits.Substring(0, @base);
if (input.Any(c => !digitsInBase.Contains(c)))
{
throw new ArgumentOutOfRangeException("input", string.Format("Input is not a valid base {0} number", @base));
}
return (int)input.Select((c, i) => Math.Pow(@base, input.Length - (i + 1)) * digitsInBase.IndexOf(c)).Sum();
}
private void btn0_Click(object sender, EventArgs e)
{
AddToArray(btn0);
}
private void btn1_Click(object sender, EventArgs e)
{
AddToArray(btn1);
}
private void btn2_Click(object sender, EventArgs e)
{
AddToArray(btn2);
}
private void btn3_Click(object sender, EventArgs e)
{
AddToArray(btn3);
}
private void btn4_Click(object sender, EventArgs e)
{
AddToArray(btn4);
}
private void btn5_Click(object sender, EventArgs e)
{
AddToArray(btn5);
}
private void btn6_Click(object sender, EventArgs e)
{
AddToArray(btn6);
}
private void btn7_Click(object sender, EventArgs e)
{
AddToArray(btn7);
}
private void btn8_Click(object sender, EventArgs e)
{
AddToArray(btn8);
}
private void btn9_Click(object sender, EventArgs e)
{
AddToArray(btn9);
}
private void HexA_Click(object sender, EventArgs e)
{
AddToArray(HexA);
}
private void HexB_Click(object sender, EventArgs e)
{
AddToArray(HexB);
}
private void HexC_Click(object sender, EventArgs e)
{
AddToArray(HexC);
}
private void HexD_Click(object sender, EventArgs e)
{
AddToArray(HexD);
}
private void HexE_Click(object sender, EventArgs e)
{
AddToArray(HexE);
}
private void HexF_Click(object sender, EventArgs e)
{
AddToArray(HexF);
}
//private void Period_Click(object sender, EventArgs e)
//{
//AddToArray(Period);
//Period.Enabled = false;
// }
private void Equals_Click(object sender, EventArgs e)
{
// the following convert second half of numbers to int from base and does math then converts back to base
if (Decimal.Checked)
{
try
{
m_store.Add(m_value);
m_store.Add(Equals.Text);
int m_res = int.Parse(m_store[0].ToString());
for (int i = 0; i < m_store.Count; i++)
{
if (m_store[i].ToString() == "+")
{
lbRes.Text = "";
m_res += int.Parse(m_store[i + 1].ToString());
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "-")
{
lbRes.Text = "";
m_res -= int.Parse(m_store[i + 1].ToString());
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "*")
{
lbRes.Text = "";
m_res *= int.Parse(m_store[i + 1].ToString());
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "/")
{
lbRes.Text = "";
m_res /= int.Parse(m_store[i + 1].ToString());
lbRes.Text = m_res.ToString();
}
}
m_store.Clear();
m_value = lbRes.Text;
//for (int i = 0; i < m_value.Length; i++)
//{
// if (m_value[i].ToString() == ".")
// {
// Period.Enabled = false;
// break;
//}
// else
//{
// Period.Enabled = true;
//}
// }
Equals.Enabled = false;
}
catch (Exception exception)
{
Reset();
MessageBox.Show(exception.Message, "Error");
}
}
else if (HexDecimal.Checked)
{
try
{
m_store.Add(baseToInt(m_value, 16));
m_store.Add(Equals.Text);
int m_res = int.Parse(m_store[0].ToString());
for (int i = 0; i < m_store.Count; i++)
{
if (m_store[i].ToString() == "+")
{
lbRes.Text = "";
m_res += int.Parse(m_store[i + 1].ToString());
//string hexValue = intToBase(m_res, 16);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "-")
{
lbRes.Text = "";
m_res -= int.Parse(m_store[i + 1].ToString());
//string hexValue = intToBase(m_res, 16);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "*")
{
lbRes.Text = "";
m_res *= int.Parse(m_store[i + 1].ToString());
//string hexValue = intToBase(m_res, 16);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "/")
{
lbRes.Text = "";
m_res /= int.Parse(m_store[i + 1].ToString());
//string hexValue = intToBase(m_res, 16);
lbRes.Text = m_res.ToString();
}
}
m_store.Clear();
string hexValue = intToBase(m_res, 16);
lbRes.Text = hexValue;
//for (int i = 0; i < m_value.Length; i++)
//{
// if (m_value[i].ToString() == ".")
// {
// Period.Enabled = false;
// break;
// }
// else
// {
// Period.Enabled = true;
// }
// }
Equals.Enabled = false;
}
catch (Exception exception)
{
Reset();
MessageBox.Show(exception.Message, "Error");
}
}
else if (Octal.Checked)
{
try
{
m_store.Add(baseToInt(m_value, 8));
m_store.Add(Equals.Text);
int m_res = int.Parse(m_store[0].ToString(), System.Globalization.NumberStyles.HexNumber);
for (int i = 0; i < m_store.Count; i++)
{
if (m_store[i].ToString() == "+")
{
lbRes.Text = "";
m_res += int.Parse(m_store[i + 1].ToString());
//string octValue = intToBase(m_res, 8);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "-")
{
lbRes.Text = "";
m_res -= int.Parse(m_store[i + 1].ToString());
//string octValue = intToBase(m_res, 8);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "*")
{
lbRes.Text = "";
m_res *= int.Parse(m_store[i + 1].ToString());
//string octValue = intToBase(m_res, 8);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "/")
{
lbRes.Text = "";
m_res /= int.Parse(m_store[i + 1].ToString());
//string octValue = intToBase(m_res, 8);
lbRes.Text = m_res.ToString();
}
}
m_store.Clear();
string octValue = intToBase(m_res, 8);
lbRes.Text = octValue;
//for (int i = 0; i < m_value.Length; i++)
//{
// if (m_value[i].ToString() == ".")
// {
// Period.Enabled = false;
// break;
// }
// else
// {
// Period.Enabled = true;
// }
// }
Equals.Enabled = false;
}
catch (Exception exception)
{
Reset();
MessageBox.Show(exception.Message, "Error");
}
}
else if (Binary.Checked)
{
try
{
m_store.Add(baseToInt(m_value, 2));
m_store.Add(Equals.Text);
//Divide.Enabled = false;
int m_res = int.Parse(m_store[0].ToString());
for (int i = 0; i < m_store.Count; i++)
{
if (m_store[i].ToString() == "+")
{
lbRes.Text = "";
m_res += int.Parse(m_store[i + 1].ToString());
//string binValue = intToBase(m_res, 2);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "-")
{
lbRes.Text = "";
m_res -= int.Parse(m_store[i + 1].ToString());
//string binValue = intToBase(m_res, 2);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "*")
{
lbRes.Text = "";
m_res *= int.Parse(m_store[i + 1].ToString());
//string binValue = intToBase(m_res, 2);
lbRes.Text = m_res.ToString();
}
else if (m_store[i].ToString() == "/")
{
lbRes.Text = "";
m_res /= int.Parse(m_store[i + 1].ToString());
//string binValue = intToBase(m_res, 2);
lbRes.Text = m_res.ToString();
}
}
m_store.Clear();
string binValue = intToBase(m_res, 2);
lbRes.Text = binValue;
//for (int i = 0; i < m_value.Length; i++)
//{
// if (m_value[i].ToString() == ".")
// {
// Period.Enabled = false;
// break;
// }
// else
// {
// Period.Enabled = true;
// }
// }
Equals.Enabled = false;
}
catch (Exception exception)
{
Reset();
MessageBox.Show(exception.Message, "Error");
}
}
}
private void Times_Click(object sender, EventArgs e)
{
AddOperatorToArray(Times);
}
private void Subtract_Click(object sender, EventArgs e)
{
AddOperatorToArray(Subtract);
}
private void Add_Click(object sender, EventArgs e)
{
AddOperatorToArray(Add);
}
private void Divide_Click(object sender, EventArgs e)
{
AddOperatorToArray(Divide);
}
private void ClearEntry_Click(object sender, EventArgs e)
{
Reset();
}
private void Percentage_Click(object sender, EventArgs e)
{
}
private void Clear_Click(object sender, EventArgs e)
{
Reset();
}
private void HexDecimal_CheckedChanged(object sender, EventArgs e)
{
// the following sets buttons for proper bases
//m_value = "";
lbRes.Text = "";
//Period.Enabled = false;
btn0.Enabled = true;
btn1.Enabled = true;
btn2.Enabled = true;
btn3.Enabled = true;
btn4.Enabled = true;
btn5.Enabled = true;
btn6.Enabled = true;
btn7.Enabled = true;
btn8.Enabled = true;
btn9.Enabled = true;
HexA.Enabled = true;
HexB.Enabled = true;
HexC.Enabled = true;
HexD.Enabled = true;
HexE.Enabled = true;
HexF.Enabled = true;
}
private void Decimal_CheckedChanged(object sender, EventArgs e)
{
//m_value = "";
lbRes.Text = "";
// Period.Enabled = false;
btn0.Enabled = true;
btn1.Enabled = true;
btn2.Enabled = true;
btn3.Enabled = true;
btn4.Enabled = true;
btn5.Enabled = true;
btn6.Enabled = true;
btn7.Enabled = true;
btn8.Enabled = true;
btn9.Enabled = true;
HexA.Enabled = false;
HexB.Enabled = false;
HexC.Enabled = false;
HexD.Enabled = false;
HexE.Enabled = false;
HexF.Enabled = false;
}
private void Octal_CheckedChanged(object sender, EventArgs e)
{
//m_value = "";
lbRes.Text = "";
// Period.Enabled = false;
btn0.Enabled = true;
btn1.Enabled = true;
btn2.Enabled = true;
btn3.Enabled = true;
btn4.Enabled = true;
btn5.Enabled = true;
btn6.Enabled = true;
btn7.Enabled = true;
btn8.Enabled = false;
btn9.Enabled = false;
HexA.Enabled = false;
HexB.Enabled = false;
HexC.Enabled = false;
HexD.Enabled = false;
HexE.Enabled = false;
HexF.Enabled = false;
}
private void Binary_CheckedChanged(object sender, EventArgs e)
{
//m_value = "";
lbRes.Text = "";
// Period.Enabled = false;
btn0.Enabled = true;
btn1.Enabled = true;
btn2.Enabled = false;
btn3.Enabled = false;
btn4.Enabled = false;
btn5.Enabled = false;
btn6.Enabled = false;
btn7.Enabled = false;
btn8.Enabled = false;
btn9.Enabled = false;
HexA.Enabled = false;
HexB.Enabled = false;
HexC.Enabled = false;
HexD.Enabled = false;
HexE.Enabled = false;
HexF.Enabled = false;
}
}
}michael r demulling