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| var
Form1: TForm1;
i: integer;
negative: boolean;
s, s1, s2: string;
implementation
{$R *.lfm}
{ TForm1 }
procedure int1(s: string);
var
base1, base2, x, p, n, d, j, g: integer;
s1: string;
begin
x:=0;
p:=0;
n:=1;
d:=0;
s1:='';
if (Form1.Edit1.Text<>'') and (Form1.Edit2.Text<>'') and (Form1.Edit4.Text<>'') and (Form1.Edit2.Text<>Form1.Edit4.Text) and (strtoint(Form1.Edit2.Text)<=16) and (strtoint(Form1.Edit2.Text)>=2) and (strtoint(Form1.Edit4.Text)<=16) and (strtoint(Form1.Edit4.Text)>=2) then
begin
base1:=strtoint(Form1.Edit2.Text);
base2:=strtoint(Form1.Edit4.Text);
if base1<>10 then
for j:=length(s) downto 1 do
begin
if (s[j] in ['A'..'F']) then
begin
if s[j]='A' then
g:=10;
if s[j]='B' then
g:=11;
if s[j]='C' then
g:=12;
if s[j]='D' then
g:=13;
if s[j]='E' then
g:=14;
if s[j]='F' then
g:=15;
end
else
g:=strtoint(s[j]);
x:=x+g*trunc(power(base1, p));
inc(p);
end
else
x:=strtoint(s);
end;
if (base2<>10) and (Form1.Edit2.Text<>Form1.Edit4.Text) and (strtoint(Form1.Edit2.Text)<=16) and (strtoint(Form1.Edit2.Text)>=2) and (strtoint(Form1.Edit4.Text)<=16) and (strtoint(Form1.Edit4.Text)>=2) then
begin
repeat
d:=x mod base2;
x:=x div base2;
if d<10 then
s1:=inttostr(d)+s1
else
begin
if d=10 then
s1:='A'+s1;
if d=11 then
s1:='B'+s1;
if d=12 then
s1:='C'+s1;
if d=13 then
s1:='D'+s1;
if d=14 then
s1:='E'+s1;
if d=15 then
s1:='F'+s1;
end;
until x < base2;
if (x<>0) and (x<=9) then
s1:=inttostr(x)+s1
else if (x<>0) then
begin
if x=10 then
s1:='A'+s1;
if x=11 then
s1:='B'+s1;
if x=12 then
s1:='C'+s1;
if x=13 then
s1:='D'+s1;
if x=14 then
s1:='E'+s1;
if x=15 then
s1:='F'+s1;
end;
end
else
s1:=inttostr(x);
if Form1.Edit2.Text=Form1.Edit4.Text then
Form1.Edit3.Text:=Form1.Edit1.Text
else
Form1.Edit3.Text:=s1;
end;
procedure fraction(s: string);
var
x: real;
s1: string;
base1, base2, i: integer;
begin
i:=1;
base1:=strtoint(Form1.Edit2.Text);
base2:=strtoint(Form1.Edit4.Text);
if base1=10 then
begin
x:=strtofloat(s)/power(10, length(s));
while (x<>0) and (i<10) do
begin
x:=x*base2;
case trunc(x) of
0..9: s1:=s1+floattostr(int(x));
10: s1:=s1+'A';
11: s1:=s1+'B';
12: s1:=s1+'C';
13: s1:=s1+'D';
14: s1:=s1+'E';
15: s1:=s1+'F';
end;
x:=x-int(x);
inc(i);
end;
end
else
begin
for i:=1 to length(s) do
case s[i] of
'1'..'9': x:=x+strtoint(s[i])*power(base1, -1*i);
'A': x:=x+10*power(base1, -1*i);
'B': x:=x+11*power(base1, -1*i);
'C': x:=x+12*power(base1, -1*i);
'D': x:=x+13*power(base1, -1*i);
'E': x:=x+14*power(base1, -1*i);
'F': x:=x+15*power(base1, -1*i);
end;
if base2<>10 then
while (x<>0) and (i<10) do
begin
x:=x*base2;
case trunc(x) of
1..9: s1:=s1+floattostr(int(x));
10: s1:=s1+'A';
11: s1:=s1+'B';
12: s1:=s1+'C';
13: s1:=s1+'D';
14: s1:=s1+'E';
15: s1:=s1+'F';
end;
x:=x-int(x);
inc(i);
end
else
s1:=floattostr(round(x*power(10, length(s))));
end;
Form1.Edit3.Text:=Form1.Edit3.Text+'.'+s1;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
negative:=False;
s2:=Edit1.Text;
if s2[1]='-' then
begin
negative:=True;
s2:=copy(s2, 2, length(s2)-1);
end;
for i:=1 to length(s2)-1 do
if s2[i]='.' then
begin
s:=copy(s2, 1, i-1);
int1(s);
s:=copy(s2, i+1, length(s2)-i);
fraction(s);
if negative=true then
Edit3.Text:='-'+Edit3.Text;
exit;
end;
s:=s2;
int1(s);
if negative=true then
Edit3.Text:='-'+Edit3.Text;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
UpDown1.Associate:=Edit2;
UpDown2.Associate:=Edit4;
Edit2.Text:='10';
Edit4.Text:='2';
end;
end. |
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