mirror of
https://github.com/ilyakooo0/urbit.git
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106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/* j/4/by_int.c
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** XXX THIS IS DISABLED
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** specifically, s/hor/gor/g (already done?)
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** and eliminate memory leaks
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*/
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#include "all.h"
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/* functions
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*/
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u3_noun
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u3qdb_int(u3_noun a,
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u3_noun b)
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{
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if ( u3_nul == a ) {
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return u3k(u3_nul);
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}
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else if ( u3_nul == b ) {
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return u3k(u3_nul);
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}
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else {
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u3_noun l_a, n_a, r_a, lr_a, p_n_a, q_n_a;
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u3_noun l_b, n_b, r_b, lr_b, p_n_b, q_n_b;
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if ( (c3n == u3r_cell(a, &n_a, &lr_a)) ) {
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return u3m_bail(c3__exit);
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}
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else if ( (c3n == u3r_cell(b, &n_b, &lr_b)) ) {
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return u3m_bail(c3__exit);
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}
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else if ( c3n == u3r_cell(lr_a, &l_a, &r_a) ) {
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return u3m_bail(c3__exit);
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}
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else if ( c3n == u3r_cell(lr_b, &l_b, &r_b) ) {
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return u3m_bail(c3__exit);
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}
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else if ( c3n == u3r_cell(n_a, &p_n_a, &q_n_a) ) {
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return u3m_bail(c3__exit);
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}
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else if ( c3n == u3r_cell(n_b, &p_n_b, &q_n_b) ) {
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return u3m_bail(c3__exit);
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}
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else if ( c3y == u3qc_vor(p_n_a, p_n_b) ) {
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if ( c3y == u3r_sing(p_n_a, p_n_b) ) {
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return u3nt(
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u3k(n_b),
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u3qdb_int(u3k(l_a), u3k(l_b)),
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u3qdb_int(u3k(r_a), u3k(r_b)));
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}
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else if ( c3y == u3qc_gor(p_n_b, p_n_a) ) {
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return u3qdb_uni(
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u3qdb_int(u3k(l_a),
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u3nt(u3k(n_b),
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u3k(l_b),
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u3k(u3_nul))),
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u3qdb_int(u3k(a),
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u3k(r_b)));
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}
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else {
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return u3qdb_uni(
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u3qdb_int(u3k(r_a),
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u3nt(u3k(n_b),
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u3k(u3_nul),
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u3k(r_b))),
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u3qdb_int(u3k(a),
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u3k(l_b)));
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}
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}
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else if ( c3y == u3r_sing(p_n_b, p_n_a) ) {
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return u3nt(
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u3k(n_b),
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u3qdb_int(u3k(l_b), u3k(l_a)),
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u3qdb_int(u3k(r_b), u3k(r_a)));
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}
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else if ( c3y == u3qc_gor(p_n_a, p_n_b) ) {
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return u3qdb_uni(
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u3qdb_int(u3k(l_b),
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u3nt(u3k(n_a),
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u3k(l_a),
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u3k(u3_nul))),
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u3qdb_int(u3k(a),
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u3k(r_a)));
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}
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else {
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return u3qdb_uni(
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u3qdb_int(u3k(r_b),
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u3nt(u3k(n_a),
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u3k(u3_nul),
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u3k(r_a))),
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u3qdb_int(u3k(a),
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u3k(l_a)));
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}
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}
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}
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u3_noun
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u3wdb_int(u3_noun cor)
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{
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u3_noun a, b;
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if ( c3n == u3r_mean(cor, u3x_sam, &b, u3x_con_sam, &a, 0) ) {
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return u3m_bail(c3__exit);
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} else {
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return u3qdb_int(a, b);
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}
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}
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