program IExe4;
{ solve the equation sin(X)+cos(X)=0 }
uses
//Forms,
UInterv ;
(* {$R *.RES} *)
function F3(X:TIFloat):TIFloat; far;
begin
F3:=sin(X)+cos(X)
end;
function DF3(X:TIFloat):TIFloat; far;
begin
DF3:=cos(X)-sin(X)
end;
var N:TIntervalNewtonSolution;
I:Longint;
begin
N.Init(F3,DF3,ISet(0,8));
for I:=1 to 20 do
Writeln(IntervalToStr(N.RunStep));
N.Done;
ReadLn;
end.