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/*************** -*- Mode: MACSYMA; Package: MAXIMA -*- ******************/
/***************************************************************************
*** *****
*** Copyright (c) 1984 by William Schelter,University of Texas *****
*** All rights reserved *****
***************************************************************************/
(reset(), kill(all),0);
0;
integrate(x^(5/4)/(x+1)^(5/2),x,0,inf);
beta(9/4,1/4);
gradef(q(x),sin(x^2));
q(x);
diff(log(q(r(x))),x);
'diff(r(x),x,1)*sin(r(x)^2)/q(r(x));
integrate(%,x);
log(q(r(x)));
?nformat(?complex(1,2));
2*%i + 1;
?nformat(?/(1,2)); /* ?/(1,2) equivalent to (/ 1 2) in Lisp */
1/2$
/* example for now-disable interval struct in src/nforma.lisp
?typep(interval(1,2),?ri);
true$
*/
is(part(?complex(1,2),0)="+");
true$
/* bug reported to mailing list 2013-05-22 */
block ([a, L],
a : make_array (fixnum, 3),
L : buildq ([a], lambda ([x], a[x])),
print (L, L(0))); /* print(L) --> calls NFORMAT and therefore tickles bug */
0;
/* expressions like f(x)(y) */
(kill (f, x, y), f(x)(y));
f(x)(y);
(f(x)(y), [op (%%), args (%%)]);
[f(x), [y]];
(f(x)(y), [op (op (%%)), args (op (%%))]);
[f, [x]];
apply (f(x), [y]);
f(x)(y);
(kill (z), f(x)(y)(z));
f(x)(y)(z);
(f(x)(y)(z), [op (%%), args (%%), op (op (%%)), args (op (%%)), op (op (op (%%))), args (op (op (%%)))]);
[f(x)(y), [z], f(x), [y], f, [x]];
ev (f(x)(y), f(u) := buildq ([u], lambda ([v], v*u)));
x*y;
apply (f(x)(y), [z]);
f(x)(y)(z);
map (f(x), [1, 2, 3]);
[f(x)(1), f(x)(2), f(x)(3)];
(f(u) := subst (u, 'u, lambda ([v], v^u)),
[f(x), f(x)(y)]);
[lambda ([v], v^x), y^x];
(kill (f),
matchdeclare (xx, integerp),
tellsimp (f(xx), subst ('xx = xx, lambda ([a], a - xx))),
[f(1), f(1)(y)]);
[lambda ([a], a - 1), y - 1];
(remrule (f, all), 0);
0;
(matchdeclare ([xx, yy], integerp),
tellsimp (f(xx)(yy), yy*xx),
[f(2), f(2)(3)]);
[f(2), 6];
kill (rules);
done;
/* verify that subscripted functions are formatted without superfluous parentheses
* see SF bug #2998: "extra () in display2d:false output"
*/
(kill (foo, x, y),
string (foo[x](y)));
"foo[x](y)";
[string (li[2](x)), string (psi[3](y))];
["li[2](x)", "psi[3](y)"];
/* further tests for #2998 combining subscripted functions with various user-defined operators */
block ([opsies : ["infixie", "prefixie", "postfixie", "naryie", "matchfixie", "nofixie"]],
apply (kill, opsies),
map (lambda ([f, a], apply (f, [a])), [infix, prefix, postfix, nary, lambda ([a], matchfix (a, a)), nofix], opsies),
kill (foo, bar, baz, a, b, c, x, y, z),
0);
0;
foo[x, y](a) infixie bar[z](b, c);
(foo[x, y](a)) infixie (bar[z](b, c));
string ((foo[x, y](a)) infixie (bar[z](b, c)));
"foo[x,y](a) infixie bar[z](b,c)";
bar[a, a](x, x) naryie baz[a](x, y) naryie prefixie foo[a, b](x, y);
(bar[a, a](x, x)) naryie (baz[a](x, y)) naryie (prefixie (foo[a, b](x, y)));
string ((bar[a, a](x, x)) naryie (baz[a](x, y)) naryie (prefixie (foo[a, b](x, y))));
"bar[a,a](x,x) naryie baz[a](x,y) naryie prefixie foo[a,b](x,y)";
matchfixie foo[1](z) matchfixie;
matchfixie (foo[1](z)) matchfixie;
string (matchfixie (foo[1](z)) matchfixie);
"matchfixiefoo[1](z)matchfixie";
/* ... and with built-in operators */
foo[x, y](a)^bar[z](b, c);
(foo[x, y](a))^(bar[z](b, c));
string ((foo[x, y](a))^(bar[z](b, c)));
"foo[x,y](a)^bar[z](b,c)";
bar[a, a](x, x) and baz[a](x, y) and not foo[a, b](x, y);
(bar[a, a](x, x)) and (baz[a](x, y)) and (not (foo[a, b](x, y)));
string ((bar[a, a](x, x)) and (baz[a](x, y)) and (not (foo[a, b](x, y))));
"bar[a,a](x,x) and baz[a](x,y) and not foo[a,b](x,y)";
[ foo[1](z) ];
[ (foo[1](z)) ];
string ([ (foo[1](z)) ]);
"[foo[1](z)]";
/* mailing list 2015-10-05: "Wrong result from integrate?" */
(kill(t, R), integrate(sqrt(sin(t)^2*R^2+(1-cos(t))^2*R^2),t,0,2*%pi));
8*R;
/* SF bug #2845: "Avoid initialization-time compile in commac.lisp"
* Ensure that functions to strip trailing zero digits continue to work.
*/
string (25.0);
"25.0";
string(1/16.0);
"0.0625";
(string(2e7), %% = "2.0e+7" or %% = "2.0E+7" or %%);
true;
(string(2e-7), %% = "2.0e-7" or %% = "2.0E-7" or %%);
true;
(string(12345000000.0), %% = "1.2345e+10" or %% = "1.2345E+10" or %%);
true;
(string(1/1024.0), %% = "9.765625e-4" or %% = "9.765625E-4" or %%);
true;
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