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Annotation of 43BSDReno/pgrm/pascal/tstpx/src/t03.p, revision 1.1.1.1

1.1       root        1: program graph2(output);
                      2: const
                      3:        d = 0.0625;
                      4:        s = 32;
                      5:        h1 = 34;
                      6:        h2 = 68;
                      7:        c = 6.28318;
                      8:        lim = 32;
                      9: var
                     10:        i,j,k,n: integer;
                     11:        x,y: real;
                     12:        a: array[1..h2] of char;
                     13: begin
                     14:        for j := 1 to h2 do
                     15:                a[j] := ' ';
                     16:        for i := 0 to lim do
                     17:        begin
                     18:                x := d*i;
                     19:                y := exp(-x)*sin(c*x);
                     20:                a[h1] := ':';
                     21:                n := round(s*y) + h1;
                     22:                a[n] := '*';
                     23:                if n < h1 then
                     24:                        k := h1 else
                     25:                        k := n;
                     26:                for j := 1 to k do
                     27:                        write(a[j]);
                     28:                writeln;
                     29:                a[n] := ' ';
                     30:        end
                     31: end.

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