File: rtestflatten.mac

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(load("flatten.lisp"),0);
0$

flatten(3);
3$

flatten(-3);
-3$

flatten(2/3);
2/3$

flatten(-2/3);
-2/3$

flatten(1.4d2);
1.4d2$

flatten(-3.4d0);
-3.4d0$

flatten(x);
x$

flatten(abc);
abc$

flatten(%pi);
%pi$

flatten(rat(x));
x$

flatten(x[5]);
x[5]$

flatten(x[8,32]);
x[8,32]$

flatten(-x);
-x$

flatten(rat(-x));
-x$

flatten(a+b);
a+b$

flatten(rat(a+b));
a+b$

flatten(a*b);
a*b$

flatten(a/b);
a/b$

flatten(a*b*c);
a*b*c$

flatten(a^b);
a^b$

flatten(a^(a^b));
a^(a^b)$

flatten([]);
[]$

flatten([[]]);
[]$

flatten([x]);
[x]$

flatten([[x]]);
[x]$

flatten(f(g(f(f(x)))));
f(g(f(f(x))))$

flatten(f(f(g(f(x)))));
f(g(f(x)))$

/* Examples from Macsyma 422 */

flatten([a,b,[c,[d]],e,[[f],g,h]]);
[a,b,c,d,e,f,g,h]$

flatten([a,b([c]),[d]]);
[a,b([c]),d]$

flatten(f(f(a,b), f(c,d)));
f(a,b,c,d)$

flatten(f[1](f[1](a,b), f[1](c,d)));
f[1](a,b,c,d)$