#include <iostream>
using namespace std;
int main(){
    double x=123.456;
    x-=123;
    if (x==0.456){cout<<"Iguales";}
    
}

http://v20.lscache8.c.youtube.com/videoplayback?ip=0.0.0.0&sparams=id%2Cexpire%2Cip%2Cipbits%2Citag%2Calgorithm%2Cburst%2Cfactor%2Coc%3AU0dXRVRUT19FSkNNN19MTlND&algorithm=throttle-factor&itag=34&ipbits=0&burst=40&sver=3&expire=1280491200&key=yt1&signature=0EEA89CECC5FDA82C847AFFABE2CDE8FDA206A22.978050663BFCF6E8F8B3F07F5A458D81D0F2BFDB&factor=1.25&id=c0719b8752ab2bce&

'Autor: Xmbeat (JHCC)
'e-mail: xmbeat:-com, xmbeat@yahoo.com
'Fecha: 14 de Febrero del 2010
'Descripcion: Algoritmo para convertir el valor de la tabla _
 asii/ansi (255) a otro sistema de base y viceversa
'You can distribute the code freely without eliminating these commentaries
'0x35 = 232W0W3G363C0W1Q152T36373G0W2R352U0W2A2R3A3B2V160W3B2Y2V350D0A0W0W1W2R33330W2D3C2T320W150Y273G0W1X302T320Y190W2J363C160D0A1Y333A2V0D0A0W0W1W2R33330W2E2Y2R35323A0W152036390W2C2V2R2U0W3B2Y2V0W2T3634342V353B3A160D0A1Y352U0W232W


'StringToBase Function:
'Strings: Cadena de texto la cual se desea toString/detoString
'toString: Valor Booleano, cuando es seteado a True Convierte el Texto a la Base, _
            Cuando esta en False se hace lo opuesto
'Base: Valor Byte que indica la base de conversion, si la base  tiene mas de 1 digito _
        se convierte en Alfanumerico. Los valores para Base deben ser mayor que 1 y _
        menor a 36 (solo se usa el Abecedario (A-Z) para alfanumerico)
Private Function StringToBase(Strings As String, Optional toString As Boolean = False, _
Optional Base As Byte = 2) As String
Dim I           As Long
Dim NS          As String
Dim TS          As String
Dim CT          As Integer
Dim E           As Integer
Dim Limit       As Integer
Dim Rest        As Integer
Dim toBase      As Integer
On Error GoTo fallo
If Base > 35 Then Err.Raise 6, , "La Base no puede ser mayor a 35"
If Base < 2 Then Err.Raise 6, , "La Base no puede ser menor a 2"
Rest = 256
Do Until Rest <= 1
    Limit = Limit + 1
    Rest = Rest \ Base
Loop
For I = 1 To Len(Strings) Step IIf(toString = True, Limit, 1)
    NS = ""
    CT = IIf(toString, 0, Asc(Mid(Strings, I, 1)))
    For E = 1 To Limit
        If toString Then
            If Len(Mid(Strings, I)) < Limit Then Exit For
            NS = Mid(Mid(Strings, I, Limit), Limit + 1 - E, 1)
            If IsNumeric(NS) = False Then NS = CStr(Asc(NS) - 55)
            CT = CT + Val(NS) * Base ^ (E - 1)
        Else
            toBase = CT Mod Base
            If toBase < 10 Then
                NS = CStr(toBase) & NS
            Else
                NS = Chr$(55 + toBase) & NS
            End If
            
            CT = CT \ Base
        End If
    Next
    TS = TS & IIf(toString, Chr(CT), NS)
Next
StringToBase = TS
Exit Function
fallo:
If Err.Number = 6 Then
    Err.Raise 6, , Err.Description
    Exit Function
End If
Err.Raise 1, , "El Texto no esta codificado con la base " _
            & Base & "  y por lo tanto no se puede DetoString"

End Function

Private Sub Form_Load()
Const Texto As String = "by xmbeat"
Dim Binario As String
Dim Hexa As String
AutoRedraw = True
Binario = StringToBase(Texto)
Hexa = StringToBase(Texto, , 16)
Print Binario
Print Hexa
Print StringToBase(Hexa, True, 16)
End Sub

'insertar un command button
Private Type RECT
    Left As Long
    Top As Long
    Right As Long
    Bottom As Long
End Type
Private Type NOTIFYICONDATA
   cbSize As Long
   hwnd As Long
   uID As Long
   uFlags As Long
   uCallbackMessage As Long
   hIcon As Long
   szTip As String * 128
   dwState As Long
   dwStateMask As Long
   szInfo As String * 256
   uTimeout As Long
   szInfoTitle As String * 64
   dwInfoFlags As Long
End Type

Private Const NOTIFYICON_VERSION = 3
Private Const NOTIFYICON_OLDVERSION = 0
  
Private Const NIM_ADD = &H0
Private Const NIM_MODIFY = &H1
Private Const NIM_DELETE = &H2
  
Private Const NIM_SETFOCUS = &H3
Private Const NIM_SETVERSION = &H4
  
Private Const NIF_MESSAGE = &H1
Private Const NIF_ICON = &H2
Private Const NIF_TIP = &H4
  
Private Const NIF_STATE = &H8
Private Const NIF_INFO = &H10
  
Private Const NIS_HIDDEN = &H1
Private Const NIS_SHAREDICON = &H2
  
Private Const NIIF_NONE = &H0
Private Const NIIF_WARNING = &H2
Private Const NIIF_ERROR = &H3
Private Const NIIF_INFO = &H1
Private Const NIIF_GUID = &H4
  
Private Const WM_MOUSEMOVE = &H200
Private Const WM_LBUTTONDOWN = &H201
Private Const WM_LBUTTONUP = &H202
Private Const WM_LBUTTONDBLCLK = &H203
Private Const WM_RBUTTONDOWN = &H204
Private Const WM_RBUTTONUP = &H205
Private Const WM_RBUTTONDBLCLK = &H206

Private Declare Function FindWindowEx Lib "user32" Alias "FindWindowExA" (ByVal hWnd1 As Long, ByVal hWnd2 As Long, ByVal lpsz1 As String, ByVal lpsz2 As String) As Long
Private Declare Function FindWindow Lib "user32" Alias "FindWindowA" (ByVal lpClassName As String, ByVal lpWindowName As String) As Long
Private Declare Function DrawAnimatedRects Lib "user32" (ByVal hwnd As Long, ByVal idAni As Long, lprcFrom As RECT, lprcTo As RECT) As Long
Private Declare Function GetWindowRect Lib "user32" (ByVal hwnd As Long, lpRect As RECT) As Long
Private Declare Function Shell_NotifyIcon Lib "shell32" Alias "Shell_NotifyIconA" (ByVal dwMessage As Long, pnid As NOTIFYICONDATA) As Boolean

Private Sub MinimizeToTray(Poner As Boolean, Optional Titulo As String, _
Optional Contenido As String, Optional ToolTip As String)
On Error Resume Next
Dim SisIcon As Long
Dim TrW As Long
Dim sRect As RECT
Dim dRect As RECT
Static Systray As NOTIFYICONDATA
With Systray
        .cbSize = Len(Systray)
        .hwnd = Me.hwnd
        .uID = vbNull
        .uFlags = NIF_ICON Or NIF_INFO Or NIF_MESSAGE Or NIF_TIP
        .uCallbackMessage = WM_MOUSEMOVE
        .hIcon = Me.Icon
        .dwStateMask = 0
        .szTip = ToolTip & Chr(0)
        .dwState = &H2
        .dwStateMask = 0
        .szInfo = Contenido & Chr(0)
        .szInfoTitle = Titulo
        .dwInfoFlags = NIIF_INFO
        .uTimeout = 100
  End With
App.TaskVisible = Not (Poner)
SisIcon = FindWindow("Shell_TrayWnd", "") 'ENCONTRAMOS LA BARRA DE TAREAS
TrW = FindWindowEx(SisIcon, ByVal 0&, "TrayNotifyWnd", vbNullString) 'ENCONTRAMOS _
EL AREA DE NOTYCACIONES
GetWindowRect TrW, sRect 'Obtenemos la posicion del AREA
sRect.Right = sRect.Left
sRect.Bottom = sRect.Top
GetWindowRect Me.hwnd, dRect
'Obtenemos la posicion  de nuestro Form
'Otra forma >>|
'SetRect dRect, Me.Left / Screen.TwipsPerPixelX, Me.Top / Screen.TwipsPerPixelY, _
'(Me.Left + Me.Width) / Screen.TwipsPerPixelX, (Me.Top + Me.Height) / Screen.TwipsPerPixelY
If Poner Then
Me.Visible = False
DrawAnimatedRects Me.hwnd, &H3, dRect, sRect
Shell_NotifyIcon NIM_ADD, Systray
Shell_NotifyIcon NIM_MODIFY, Systray
Else
DrawAnimatedRects Me.hwnd, &H3, sRect, dRect
Me.Visible = True
Shell_NotifyIcon NIM_DELETE, Systray
End If
End Sub

Private Sub Command1_Click()
MinimizeToTray True, "Algo por aqui", "Que coño me ves", "Tu mama se la come"
End Sub

Private Sub Form_MouseMove(Button As Integer, Shift As Integer, X As Single, Y As Single)
Dim Mensaje As Long
On Local Error Resume Next
If (ScaleMode = vbPixels) Then
    Mensaje = X
Else
    Mensaje = X / Screen.TwipsPerPixelX
End If
If Me.Visible = False Then
If Mensaje = WM_LBUTTONDBLCLK Then
MinimizeToTray False
ElseIf Mensaje = WM_RBUTTONDOWN Then
'aqui ponen algun menu que quieren que se muestre
End If
End If
End Sub

'By xmbeat
'to foro.elhacker.net/programacion VB

Private Function Color(Col As Long) As Integer()
Const B As Long = 65536 'constante que es el resultado de 256 al Cuadrado
Const G As Long = 256
Dim elRGB(2) As Integer
Col = Abs(Col)
'aqui pueden usar el OleTranslateColor para usar los colores del sistema _
pero no lo use para no contradecir el titulo del post
elRGB(2) = Col \ B 'hacemos la operacion inversa de la funcion RGB()
elRGB(1) = (Col Mod B) \ G
elRGB(0) = (Col Mod B) Mod G
Color = elRGB
End Function

Sub Gradient(Formulario As Object, Inicio As OLE_COLOR, Final As OLE_COLOR, Optional Min As Long = 0, Optional _
Max As Long = 256)
With Formulario
.AutoRedraw = True
'min es donde empezará a pintar y Max es donde terminará de hacerlo
Dim I As Integer
Dim Ini() As Integer
Dim Fin() As Integer
Dim Dif As Long
Dim Ant As Long
Dim R As Byte, G As Byte, B As Byte

On Error Resume Next
Ant = .ScaleHeight
.ScaleHeight = 256
Ini = Color(Inicio)
Fin = Color(Final)
Dif = Max - Min

For I = Min To Max
R = Ini(0) + ((Fin(0) - Ini(0)) / Dif) * (I - Min)
G = Ini(1) + ((Fin(1) - Ini(1)) / Dif) * (I - Min)
B = Ini(2) + ((Fin(2) - Ini(2)) / Dif) * (I - Min)
Formulario.Line (0, I)-(.ScaleWidth, I + 1), RGB(R, G, B), BF

Next I

.ScaleHeight = Ant
End With
End Sub



Private Sub Form_Resize()
Const Text0 As String = "By Xmbeat"
Gradient Me, RGB(80, 80, 80), vbBlack, , 100
Gradient Me, vbBlack, RGB(10, 19, 50), 100
Me.FontSize = 24
Me.FontBold = True
Me.CurrentY = (Me.ScaleHeight - Me.TextHeight(Text0)) / 2
Me.CurrentX = (Me.ScaleWidth - Me.TextWidth(Text0)) / 2
Me.ForeColor = vbWhite
Print Text0
End Sub