2013-09-29 00:21:18 +04:00
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/* j/4/in_put.c
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**
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** This file is in the public domain.
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*/
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#include "all.h"
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2014-09-04 07:10:43 +04:00
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2013-09-29 00:21:18 +04:00
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/* functions
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*/
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2014-09-06 00:13:24 +04:00
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u3_noun
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u3_cqdi_put(
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u3_noun a,
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u3_noun b)
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2013-09-29 00:21:18 +04:00
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{
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2014-09-06 00:13:24 +04:00
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if ( u3_nul == a ) {
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return u3nt(u3k(b), u3_nul, u3_nul);
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2013-09-29 00:21:18 +04:00
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}
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else {
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2014-09-06 00:13:24 +04:00
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u3_noun l_a, n_a, r_a, lr_a; // XX copy tree boilerplate to other pt4
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u3_noun c, l_c, n_c, r_c;
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2013-09-29 00:21:18 +04:00
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2014-09-06 00:13:24 +04:00
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if ( (u3_no == u3_cr_cell(a, &n_a, &lr_a)) ) {
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return u3_cm_bail(c3__exit);
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2014-04-22 05:22:11 +04:00
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}
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2014-09-06 00:13:24 +04:00
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else if ( u3_yes == u3_cr_sing(n_a, b) ) {
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return u3k(a);
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2013-09-29 00:21:18 +04:00
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}
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2014-09-06 00:13:24 +04:00
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else if ( u3_no == u3_cr_cell(lr_a, &l_a, &r_a) ) {
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return u3_cm_bail(c3__exit);
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2013-09-29 00:21:18 +04:00
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}
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else {
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2014-09-06 00:13:24 +04:00
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if ( u3_yes == u3_cqc_hor(b, n_a) ) {
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c = u3_cqdi_put(l_a, b);
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2013-09-29 00:21:18 +04:00
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2014-09-06 00:13:24 +04:00
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if ( u3_yes == u3_cqc_vor(n_a, u3h(c)) ) {
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return u3nt(u3k(n_a),
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2014-04-22 05:22:11 +04:00
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c,
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2014-09-06 00:13:24 +04:00
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u3k(r_a));
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2013-09-29 00:21:18 +04:00
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}
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else {
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2014-09-06 00:13:24 +04:00
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u3_cr_trel(c, &n_c, &l_c, &r_c);
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2013-09-29 00:21:18 +04:00
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{
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2014-09-06 00:13:24 +04:00
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u3_noun d = u3nt
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(u3k(n_c),
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u3k(l_c),
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u3nt(
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u3k(n_a),
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u3k(r_c),
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u3k(r_a)));
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2013-09-29 00:21:18 +04:00
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2014-09-06 00:13:24 +04:00
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u3z(c);
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2013-09-29 00:21:18 +04:00
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return d;
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}
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}
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}
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else {
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2014-09-06 00:13:24 +04:00
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c = u3_cqdi_put(r_a, b);
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2013-09-29 00:21:18 +04:00
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2014-09-06 00:13:24 +04:00
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if ( u3_yes == u3_cqc_vor(n_a, u3h(c)) ) {
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return u3nt(u3k(n_a),
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u3k(l_a),
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2013-09-29 00:21:18 +04:00
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c);
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}
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else {
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2014-09-06 00:13:24 +04:00
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u3_cr_trel(c, &n_c, &l_c, &r_c);
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2013-09-29 00:21:18 +04:00
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{
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2014-09-06 00:13:24 +04:00
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u3_noun d = u3nt
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(u3k(n_c),
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u3nt(
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u3k(n_a),
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u3k(l_a),
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u3k(l_c)),
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u3k(r_c));
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2013-09-29 00:21:18 +04:00
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2014-09-06 00:13:24 +04:00
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u3z(c);
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2013-09-29 00:21:18 +04:00
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return d;
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}
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}
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}
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}
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}
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}
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2014-09-06 00:13:24 +04:00
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u3_noun
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u3_cwdi_put(
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u3_noun cor)
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2013-09-29 00:21:18 +04:00
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{
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2014-09-06 00:13:24 +04:00
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u3_noun a, b;
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2013-09-29 00:21:18 +04:00
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2014-09-06 00:13:24 +04:00
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if ( u3_no == u3_cr_mean(cor, u3_cv_sam, &b, u3_cv_con_sam, &a, 0) ) {
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return u3_cm_bail(c3__exit);
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2013-09-29 00:21:18 +04:00
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} else {
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2014-09-06 00:13:24 +04:00
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return u3_cqdi_put(a, b);
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2013-09-29 00:21:18 +04:00
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}
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}
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2014-10-22 00:53:27 +04:00
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u3_weak
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u3_ckdi_put(u3_noun a, u3_noun b)
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{
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// Bizarre asymmetry in old jets.
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//
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// (Mysterious comment in old glue code.)
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//
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u3_noun pro = u3_cqdi_put(a, b);
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u3z(a); u3z(b);
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return pro;
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}
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2013-09-29 00:21:18 +04:00
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