Цифровая обработка сигналов

#include <vcl.h>
#pragma hdrstop
 
#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
int iFileHandle;
int iBytesRead;
int iFileLength;
char *pszBuf;
char *bitBuf;
char *bitBuf1;
char *invBuffm2;
char *invBuf1fm4;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
 
void __fastcall TForm1::Button1Click(TObject *Sender)
{
if(OpenDialog1->Execute());
AnsiString fn = OpenDialog1->FileName;
iFileHandle = FileOpen(fn, fmOpenRead);
iFileLength = FileSeek(iFileHandle, 0, 2);
FileSeek(iFileHandle, 0, 0);
pszBuf = new unsigned char[iFileLength];
iBytesRead = FileRead(iFileHandle, pszBuf, iFileLength);
bitBuf = new unsigned char[iFileLength*8];
for(int i=0; i<iFileLength; i++)
for(int j=0; j<8; j++)
        {
        if(((pszBuf[i]>>j) & 1)== 1)
        bitBuf[i*8+j] = 1; else bitBuf[i*8+j] = 0;
        }
delete [] pszBuf;
 
invBuffm2 = new unsigned char[iFileLength*8];
for(int i=0; i<iFileLength*8; i++)
        if(bitBuf[i]==0)
        invBuffm2[i]=1; else invBuffm2[i]=0;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button3Click(TObject *Sender)
{
invBuf1fm4 = new unsigned char[iFileLength*8];
for(int i=0; i<iFileLength*8; i++)
        {
        if(bitBuf[i*2]==1 && bitBuf[i*2+1]==0)
        ((invBuf1fm4[i*2]=0) && (invBuf1fm4[i*2+1]=1));
 
        if(bitBuf[i*2]==0 && bitBuf[i*2+1]==0)
        ((invBuf1fm4[i*2]=0) && (invBuf1fm4[i*2+1]=0));
 
        if(bitBuf[i*2]==1 && bitBuf[i*2+1]==1)
        ((invBuf1fm4[i*2]=1) && (invBuf1fm4[i*2+1]=1));
 
        if(bitBuf[i*2]==0 && bitBuf[i*2+1]==1)
        ((invBuf1fm4[i*2]=1) && (invBuf1fm4[i*2+1]=0));
        }