Algoritmo de Busqueda

[rodno]

hola, mira como lo implemente, o lo mejor tengo algun error y por eso se me demora

Código PHP:

                                      $limit_search=round($rs_datos_destino->RecordCount()/2,0); 
                                    echo $limit_search; 
                                    while (!$rs_datos_origen->EOF) 
                                    { 
                                       //$rs_datos_destino->fields[3]; 
                                      // while ($i<10) 
                                       //{ 
                                         
 
                                            $i++; 
                                             
                                            $flag_compare=false; 
                                            $rs_datos_destino->Move($limit_search); 
                                            if ($rs_datos_destino->fields[3]==$rs_datos_origen->fields[0]) 
                                                $flag_compare=true; 
                                            else 
                                            if ($rs_datos_destino->fields[3]>$rs_datos_origen->fields[0])  
                                                { 
                                                 //$limit_search=round($limit_search/2,0); 
                                                 //echo $limit_search." mayor \n"; 
                                                 $rs_datos_destino->MoveFirst(); 
                                                 for ($k=0;$k<$limit_search;$k++) 
                                                    { 
                                                    if ($rs_datos_destino->fields[3]==$rs_datos_origen->fields[0]) 
                                                       { 
                                                        $flag_compare=true; 
                                                        $k=$limit_search; 
                                                       } 
                                                       //echo "inferior \n"; 
                                                   $rs_datos_destino->MoveNext();     
                                                    } 
                                                } 
                                            else //Busqueda  
                                                { 
                                                //$limit_search=round(($rs_datos_destino->RecordCount()-$limit_search)/2,0);  
                                                 
                                                 $rs_datos_destino->MoveNext(); 
                                                  
                                                  while (!$rs_datos_destino->EOF || $flag_compare!=true) 
                                                      { 
                                                      //echo " superior \n";   
                                                      if ($rs_datos_destino->fields[3]==$rs_datos_origen->fields[0]) 
                                                         $flag_compare=true; 
                                                       $rs_datos_destino->MoveNext();     
                                                      } 
                                                } 
      
                                      $rs_datos_origen->MoveNext();   
                                   }