83 lines
1.7 KiB
Plaintext
83 lines
1.7 KiB
Plaintext
program tap( output );
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var
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loops, i, rsf, prev, total, greatest, a, b, c : integer;
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v, ri, rtotal : real;
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function gcd( m : integer; n : integer ) : integer;
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var
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a, b, r : integer;
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begin { gcd }
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a := 0;
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if ( m > n ) then begin
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b := m;
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r := n;
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end
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else begin
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b := n;
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r := m;
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end;
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while ( 0 <> r ) do begin
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a := b;
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b := r;
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r := a MOD b;
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end;
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gcd := b;
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end; { gcd }
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procedure first_implementation;
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var
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total, i, prev : integer;
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sofar, ri, iq : real;
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begin
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total := 10000;
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sofar := 0.0;
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prev := 1;
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for i := 1 to total do begin
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ri := i;
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iq := ri * ri * ri;
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sofar := sofar + ( 1.0 / iq );
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if ( i = ( prev * 10 ) ) then begin
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prev := i;
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write( ' at ', i );
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writeln( ' iterations: ', sofar );
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end;
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end;
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end;
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begin { tap }
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writeln( 'tap starting, should tend towards 1.2020569031595942854...' );
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writeln( 'first implementation...' );
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first_implementation;
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{ no Random
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writeln( 'second implementation...' );
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loops := 10000;
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total := 0;
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prev := 1;
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for i := 1 to loops do begin
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a := Random( 32767 );
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b := Random( 32767 );
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c := Random( 32767 );
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greatest := gcd( a, gcd( b, c ) );
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if ( 1 = greatest ) then total := total + 1;
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if ( i = ( prev * 10 ) ) then begin
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prev := i;
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rtotal := total;
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ri := i;
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v := ri / rtotal;
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writeln( ' at ', i, ' iterations: ', v );
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end;
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end;
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}
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writeln( 'tap completed with great success' );
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end. { tap }
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