shrub/gen164/4/by_put.c

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/* j/4/put.c
**
** This file is in the public domain.
*/
#include "all.h"
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/* functions
*/
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u2_noun
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u2_cqdb_put(
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u2_noun a,
u2_noun b,
u2_noun c)
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{
if ( u2_nul == a ) {
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return u2nt(
u2nc(u2k(b),
u2k(c)),
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u2_nul,
u2_nul);
}
else {
u2_noun l_a, n_a, r_a, pn_a, qn_a;
u2_noun d, l_d, n_d, r_d;
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if ( (u2_no == u2_cr_trel(a, &n_a, &l_a, &r_a)) ||
(u2_no == u2_cr_cell(n_a, &pn_a, &qn_a)) )
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{
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return u2_cm_bail(c3__exit);
}
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else if ( u2_yes == u2_cr_sing(pn_a, b) ) {
if ( u2_yes == u2_cr_sing(qn_a, c) ) {
return u2k(a);
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} else {
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return u2nt
(u2nc(u2k(b), u2k(c)),
u2k(l_a),
u2k(r_a));
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}
}
else {
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if ( u2_yes == u2_cqc_gor(b, pn_a) ) {
d = u2_cqdb_put(l_a, b, c);
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if ( u2_yes == u2_cqc_vor(pn_a, u2h(u2h(d))) ) {
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return u2nt(u2k(n_a),
d,
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u2k(r_a));
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}
else {
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u2_cr_trel(d, &n_d, &l_d, &r_d);
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{
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u2_noun e = u2nt
(u2k(n_d),
u2k(l_d),
u2nt(
u2k(n_a),
u2k(r_d),
u2k(r_a)));
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u2z(d);
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return e;
}
}
}
else {
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d = u2_cqdb_put(r_a, b, c);
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if ( u2_yes == u2_cqc_vor(pn_a, u2h(u2h(d))) ) {
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return u2nt(u2k(n_a),
u2k(l_a),
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d);
}
else {
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u2_cr_trel(d, &n_d, &l_d, &r_d);
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{
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u2_noun e = u2nt
(u2k(n_d),
u2nt(
u2k(n_a),
u2k(l_a),
u2k(l_d)),
u2k(r_d));
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u2z(d);
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return e;
}
}
}
}
}
}
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u2_noun
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u2_cwdb_put(
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u2_noun cor)
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{
u2_noun a, b, c;
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if ( u2_no == u2_cr_mean(cor, u2_cv_sam_2, &b,
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u2_cv_sam_3, &c,
u2_cv_con_sam, &a, 0) ) {
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return u2_cm_bail(c3__exit);
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} else {
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return u2_cqdb_put(a, b, c);
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}
}