mirror of
https://github.com/ilyakooo0/urbit.git
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777 lines
22 KiB
C
777 lines
22 KiB
C
/* j/6/find.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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/* logic
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*/
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static u3_noun
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_fino_in(
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u3_noun van,
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u3_noun sut,
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u3_noun dep,
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u3_noun way,
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u3_noun cog,
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u3_noun gil)
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{
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u3_noun p_sut, q_sut;
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if ( c3y == u3ud(sut) ) {
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return u3nc(u3k(dep), u3_nul);
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}
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else switch ( u3h(sut) ) {
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default: return u3nc(u3k(dep), u3_nul);
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case c3__bull: {
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3_cm_bail(c3__fail);
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}
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else {
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if ( c3n == u3_cr_sing(cog, u3h(p_sut)) ) {
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return _fino_in
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(van, q_sut, dep, way, cog, gil);
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}
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else {
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if ( 0 == dep ) {
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return u3nc
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(0,
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u3nt(
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u3_nul,
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1,
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u3nt(2, u3k(p_sut),
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u3k(q_sut))));
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} else {
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return _fino_in
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(
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van, q_sut, u3_cqa_dec(dep), way, cog, gil);
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}
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}
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}
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}
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case c3__cell: {
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3_cm_bail(c3__fail);
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} else {
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u3_noun taf = _fino_in(van, p_sut, dep, way, cog, gil);
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u3_noun p_taf = u3h(taf);
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u3_noun q_taf = u3t(taf);
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u3_noun ret;
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if ( u3_nul == q_taf ) {
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u3_noun bov = _fino_in(van, q_sut, p_taf, way, cog, gil);
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u3_noun p_bov = u3h(bov);
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u3_noun q_bov = u3t(bov);
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if ( u3_nul == q_bov ) {
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ret = u3k(bov);
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}
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else {
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u3_noun puq_bov, quq_bov;
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u3_cr_mean(q_bov, 6, &puq_bov, 7, &quq_bov, 0);
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ret = u3nq
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(u3k(p_bov),
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u3_nul,
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u3_cqc_peg(3, puq_bov),
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u3k(quq_bov));
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}
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u3z(bov);
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}
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else {
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u3_noun puq_taf, quq_taf;
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u3_cr_mean(q_taf, 6, &puq_taf, 7, &quq_taf, 0);
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ret = u3nq
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(u3k(p_taf),
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u3_nul,
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u3_cqc_peg(2, puq_taf),
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u3k(quq_taf));
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}
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u3z(taf);
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return ret;
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}
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}
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case c3__core: {
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u3_noun pq_sut, qq_sut, rq_sut;
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u3_noun prq_sut, qrq_sut;
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ||
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(c3n == u3_cr_trel(q_sut, &pq_sut, &qq_sut, &rq_sut)) ||
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(c3n == u3_cr_cell(rq_sut, &prq_sut, &qrq_sut)) )
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{
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return u3_cm_bail(c3__fail);
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} else {
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u3_noun zem = u3_cqf_look(cog, qrq_sut);
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if ( (u3_nul != zem) && (0 != dep) ) {
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u3_noun ped;
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ped = u3_cqa_dec(dep);
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u3z(dep); dep = ped;
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u3z(zem);
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zem = u3_nul;
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}
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if ( u3_nul == zem ) {
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u3_noun taf = _fino_in(van, p_sut, dep, way, cog, gil);
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u3_noun p_taf = u3h(taf);
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u3_noun q_taf = u3t(taf);
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if ( u3_nul == q_taf ) {
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u3z(taf);
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return u3nc(u3k(dep), u3_nul);
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}
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else {
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u3_noun puq_taf, quq_taf;
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u3_noun pro;
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u3_cr_mean(q_taf, 6, &puq_taf, 7, &quq_taf, 0);
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if ( c3n == u3_cqfu_park
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(van, sut, way, puq_taf) )
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{
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u3_noun weh = u3_cqfu_shep
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(van, "way", 'a', u3k(way));
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u3_noun waz = u3_cqfu_shep
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(van, "axis", 'd', u3k(puq_taf));
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u3_ct_push(u3nc(c3__mean, weh));
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u3_ct_push(u3nc(c3__mean, waz));
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return u3_cm_error("find-park");
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}
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else {
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pro = u3nq
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(u3k(p_taf),
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u3_nul,
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u3_cqc_peg(3, puq_taf),
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u3k(quq_taf));
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u3z(taf);
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return pro;
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}
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}
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}
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else {
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u3_noun u_zem = u3t(zem);
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u3_noun pu_zem = u3h(u_zem);
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u3_noun qu_zem = u3t(u_zem);
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u3_noun mut;
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u3_noun pro;
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mut = u3nt(c3__core,
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u3k(p_sut),
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u3nt(c3__gold,
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u3k(qq_sut),
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u3k(rq_sut)));
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pro = u3nc
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(
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0,
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u3nq(
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u3_nul,
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1,
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1,
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u3nc
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(u3_cqc_peg(2, pu_zem),
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u3nc(
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u3nc(mut, u3k(qu_zem)),
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u3_nul))));
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u3z(zem);
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return pro;
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}
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}
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}
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case c3__face: {
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3_cm_bail(c3__fail);
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} else {
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if ( c3n == u3_cr_sing(cog, p_sut) ) {
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return u3nc(u3k(dep), u3_nul);
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} else {
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if ( 0 == dep ) {
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return u3nc
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(0,
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u3nq(u3_nul, 1, 0, u3k(q_sut)));
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} else {
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return u3nc
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(u3_cqa_dec(dep), u3_nul);
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}
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}
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}
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}
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case c3__cube: {
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u3_noun fop = u3_cqfu_repo(van, sut);
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u3_noun pro = _fino_in(van, fop, dep, way, cog, gil);
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u3z(fop);
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return pro;
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}
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case c3__fork: {
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3_cm_bail(c3__fail);
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}
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if ( (c3y == u3_cqdi_has(gil, q_sut)) ) {
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return _fino_in(van, p_sut, dep, way, cog, gil);
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}
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else if ( (c3y == u3_cqdi_has(gil, p_sut)) ) {
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return _fino_in(van, q_sut, dep, way, cog, gil);
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}
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else {
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u3_noun hax = _fino_in(van, p_sut, dep, way, cog, gil);
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u3_noun yor = _fino_in(van, q_sut, dep, way, cog, gil);
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u3_noun p_hax = u3h(hax);
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u3_noun p_yor = u3h(yor);
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u3_noun q_hax = u3t(hax);
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u3_noun q_yor = u3t(yor);
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u3_noun puq_hax, quq_hax;
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u3_noun puq_yor, quq_yor;
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u3_noun ret;
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if ( u3_nul != q_hax ) {
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u3_cr_mean(q_hax, 6, &puq_hax, 7, &quq_hax, 0);
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}
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if ( u3_nul != q_yor ) {
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u3_cr_mean(q_yor, 6, &puq_yor, 7, &quq_yor, 0);
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}
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if ( c3y == u3_cr_sing(hax, yor) ) {
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ret = u3k(hax);
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}
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else {
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if ( (c3n == u3_cr_sing(p_hax, p_yor)) ||
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((u3_nul == q_hax) || (u3_nul == q_yor)) ||
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(c3n == u3_cr_sing(puq_hax, puq_yor)) ||
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(c3n == u3_cr_sing(u3h(quq_hax), u3h(quq_yor))) )
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{
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return u3_cm_error("find-fork");
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}
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switch ( u3h(quq_hax) ) {
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case 0: {
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u3_noun pquq_hax = u3t(quq_hax);
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u3_noun pquq_yor = u3t(quq_yor);
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ret = u3nc
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(
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u3k(p_hax),
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u3nq
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(
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u3_nul,
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u3k(puq_hax),
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0,
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u3_cqf_fork(pquq_hax, pquq_yor)));
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break;
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}
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case 1: {
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u3_noun pquq_hax, qquq_hax, pquq_yor, qquq_yor;
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u3_cx_cell(u3t(quq_hax), &pquq_hax, &qquq_hax);
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u3_cx_cell(u3t(quq_yor), &pquq_yor, &qquq_yor);
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if ( c3n == u3_cr_sing(pquq_hax, pquq_yor) ) {
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return u3_cm_error("find-fork");
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} else {
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ret = u3nc
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(
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u3k(p_hax),
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u3nq
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(u3_nul,
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u3k(puq_hax),
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1,
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u3nc
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(u3k(pquq_hax),
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u3_cqb_weld
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(qquq_hax, qquq_yor))));
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break;
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}
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}
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case 2: {
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u3_noun pquq_hax, qquq_hax, pquq_yor, qquq_yor;
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u3_noun ppquq_hax, qpquq_hax, rpquq_hax, spquq_hax;
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u3_noun ppquq_yor, qpquq_yor, rpquq_yor, spquq_yor;
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u3_cx_cell(u3t(quq_hax), &pquq_hax, &qquq_hax);
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u3_cx_cell(u3t(quq_yor), &pquq_yor, &qquq_yor);
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u3_cx_qual(
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pquq_hax,
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&ppquq_hax, &qpquq_hax, &rpquq_hax, &spquq_hax);
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u3_cx_qual(
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pquq_yor,
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&ppquq_yor, &qpquq_yor, &rpquq_yor, &spquq_yor);
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if ( (c3n == u3_cr_sing(ppquq_hax, ppquq_yor)) ||
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(c3n == u3_cr_sing(qpquq_hax, qpquq_yor)) ||
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(c3n == u3_cr_sing(rpquq_hax, rpquq_yor)) )
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{
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return u3_cm_error("find-fork");
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}
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else {
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ret = u3nc
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(
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u3k(p_hax),
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u3nq
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(
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u3_nul,
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u3k(puq_hax),
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2,
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u3nc(
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u3nq(
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u3k(ppquq_hax),
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u3k(qpquq_hax),
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u3k(rpquq_hax),
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u3_cqf_fork(
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spquq_hax,
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spquq_yor)),
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u3_cqf_fork(qquq_hax, qquq_yor))));
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break;
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}
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}
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}
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}
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u3z(yor);
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u3z(hax);
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return ret;
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}
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}
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case c3__hold: p_sut = u3t(sut);
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{
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if ( (c3y == u3_cqdi_has(gil, sut)) ) {
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return u3nc(u3k(dep), u3_nul);
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}
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else {
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u3_noun zoc = u3_cqdi_put(gil, sut);
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u3_noun fop = u3_cqfu_repo(van, sut);
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u3_noun pro = _fino_in(van, fop, dep, way, cog, zoc);
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u3z(fop);
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u3z(zoc);
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return pro;
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}
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}
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}
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}
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static u3_noun
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_find_in(
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u3_noun van,
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u3_noun sut,
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u3_noun dep,
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u3_noun way,
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u3_noun cog,
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u3_noun gil)
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{
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u3_noun p_sut, q_sut, pp_sut, qp_sut, rp_sut, sp_sut;
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if ( c3y == u3ud(sut) ) {
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return u3nc(u3k(dep), u3_nul);
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}
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else switch ( u3h(sut) ) {
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default: return u3nc(u3k(dep), u3_nul);
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case c3__bull: {
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ||
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(c3n == u3_cr_qual(p_sut, &pp_sut, &qp_sut, &rp_sut, &sp_sut)) )
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{
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return u3_cm_bail(c3__fail);
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}
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else {
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if ( c3n == u3_cr_sing(cog, pp_sut) ) {
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return _find_in
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(van, q_sut, dep, way, cog, gil);
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}
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else {
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if ( 0 == dep ) {
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return u3nc
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(0,
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u3nq(
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u3_nul,
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u3k(rp_sut),
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c3y,
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u3k(sp_sut)));
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} else {
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return _find_in
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(
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van, q_sut, u3_cqa_dec(dep), way, cog, gil);
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return u3nc
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(u3_cqa_dec(dep), u3_nul);
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}
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}
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}
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}
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case c3__cell: {
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
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return u3_cm_bail(c3__fail);
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} else {
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u3_noun taf = _find_in(van, p_sut, dep, way, cog, gil);
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u3_noun p_taf = u3h(taf);
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u3_noun q_taf = u3t(taf);
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u3_noun ret;
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if ( u3_nul == q_taf ) {
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u3_noun bov = _find_in(van, q_sut, p_taf, way, cog, gil);
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u3_noun p_bov = u3h(bov);
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u3_noun q_bov = u3t(bov);
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if ( u3_nul == q_bov ) {
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ret = u3k(bov);
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}
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else {
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u3_noun puq_bov, quq_bov;
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u3_cr_mean(q_bov, 6, &puq_bov, 7, &quq_bov, 0);
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ret = u3nq
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(u3k(p_bov),
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u3_nul,
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u3_cqc_peg(3, puq_bov),
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u3k(quq_bov));
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}
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u3z(bov);
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}
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else {
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u3_noun puq_taf, quq_taf;
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u3_cr_mean(q_taf, 6, &puq_taf, 7, &quq_taf, 0);
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ret = u3nq
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(u3k(p_taf),
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u3_nul,
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u3_cqc_peg(2, puq_taf),
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u3k(quq_taf));
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}
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u3z(taf);
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return ret;
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}
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}
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case c3__core: {
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u3_noun pq_sut, qq_sut, rq_sut;
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u3_noun prq_sut, qrq_sut;
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if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ||
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(c3n == u3_cr_trel(q_sut, &pq_sut, &qq_sut, &rq_sut)) ||
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(c3n == u3_cr_cell(rq_sut, &prq_sut, &qrq_sut)) )
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{
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return u3_cm_bail(c3__fail);
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} else {
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u3_noun zem = u3_cqf_look(cog, qrq_sut);
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|
|
if ( (u3_nul != zem) && (0 != dep) ) {
|
|
u3_noun ped;
|
|
|
|
ped = u3_cqa_dec(dep);
|
|
u3z(dep); dep = ped;
|
|
|
|
u3z(zem);
|
|
zem = u3_nul;
|
|
}
|
|
|
|
if ( u3_nul == zem ) {
|
|
u3_noun taf = _find_in(van, p_sut, dep, way, cog, gil);
|
|
u3_noun p_taf = u3h(taf);
|
|
u3_noun q_taf = u3t(taf);
|
|
|
|
if ( u3_nul == q_taf ) {
|
|
u3z(taf);
|
|
return u3nc(u3k(dep), u3_nul);
|
|
}
|
|
else {
|
|
u3_noun puq_taf, quq_taf;
|
|
u3_noun pro;
|
|
|
|
u3_cr_mean(q_taf, 6, &puq_taf, 7, &quq_taf, 0);
|
|
|
|
if ( c3n == u3_cqfu_park
|
|
(van, sut, way, puq_taf) )
|
|
{
|
|
u3_noun weh = u3_cqfu_shep
|
|
(van, "way", 'a', u3k(way));
|
|
u3_noun waz = u3_cqfu_shep
|
|
(van, "axis", 'd', u3k(puq_taf));
|
|
|
|
u3_ct_push(u3nc(c3__mean, weh));
|
|
u3_ct_push(u3nc(c3__mean, waz));
|
|
return u3_cm_error("find-park");
|
|
}
|
|
else {
|
|
pro = u3nq
|
|
(u3k(p_taf),
|
|
u3_nul,
|
|
u3_cqc_peg(3, puq_taf),
|
|
u3k(quq_taf));
|
|
|
|
u3z(taf);
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
u3_noun u_zem = u3t(zem);
|
|
u3_noun pu_zem = u3h(u_zem);
|
|
u3_noun qu_zem = u3t(u_zem);
|
|
u3_noun mut;
|
|
u3_noun pro;
|
|
|
|
mut = u3nt(c3__core,
|
|
u3k(p_sut),
|
|
u3nt(c3__gold,
|
|
u3k(qq_sut),
|
|
u3k(rq_sut)));
|
|
|
|
pro = u3nc
|
|
(
|
|
0,
|
|
u3nq(
|
|
u3_nul,
|
|
1,
|
|
c3n,
|
|
u3nc
|
|
(u3_cqc_peg(2, pu_zem),
|
|
u3nc(
|
|
u3nc(mut, u3k(qu_zem)),
|
|
u3_nul))));
|
|
u3z(zem);
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
case c3__face: {
|
|
if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
|
|
return u3_cm_bail(c3__fail);
|
|
} else {
|
|
if ( c3n == u3_cr_sing(cog, p_sut) ) {
|
|
return u3nc(u3k(dep), u3_nul);
|
|
} else {
|
|
if ( 0 == dep ) {
|
|
return u3nc
|
|
(0,
|
|
u3nq(u3_nul, 1, c3y, u3k(q_sut)));
|
|
} else {
|
|
return u3nc
|
|
(u3_cqa_dec(dep), u3_nul);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
case c3__cube: {
|
|
u3_noun fop = u3_cqfu_repo(van, sut);
|
|
u3_noun pro = _find_in(van, fop, dep, way, cog, gil);
|
|
|
|
u3z(fop);
|
|
return pro;
|
|
}
|
|
case c3__fork: {
|
|
if ( (c3n == u3_cr_trel(sut, 0, &p_sut, &q_sut)) ) {
|
|
return u3_cm_bail(c3__fail);
|
|
}
|
|
|
|
if ( (c3y == u3_cqdi_has(gil, q_sut)) ) {
|
|
return _find_in(van, p_sut, dep, way, cog, gil);
|
|
}
|
|
else if ( (c3y == u3_cqdi_has(gil, p_sut)) ) {
|
|
return _find_in(van, q_sut, dep, way, cog, gil);
|
|
}
|
|
else {
|
|
u3_noun hax = _find_in(van, p_sut, dep, way, cog, gil);
|
|
u3_noun yor = _find_in(van, q_sut, dep, way, cog, gil);
|
|
u3_noun p_hax = u3h(hax);
|
|
u3_noun p_yor = u3h(yor);
|
|
u3_noun q_hax = u3t(hax);
|
|
u3_noun q_yor = u3t(yor);
|
|
u3_noun puq_hax, quq_hax;
|
|
u3_noun puq_yor, quq_yor;
|
|
u3_noun ret;
|
|
|
|
if ( u3_nul != q_hax ) {
|
|
u3_cr_mean(q_hax, 6, &puq_hax, 7, &quq_hax, 0);
|
|
}
|
|
if ( u3_nul != q_yor ) {
|
|
u3_cr_mean(q_yor, 6, &puq_yor, 7, &quq_yor, 0);
|
|
}
|
|
|
|
if ( c3y == u3_cr_sing(hax, yor) ) {
|
|
ret = u3k(hax);
|
|
}
|
|
else {
|
|
if ( (c3n == u3_cr_sing(p_hax, p_yor)) ||
|
|
((u3_nul == q_hax) || (u3_nul == q_yor)) ||
|
|
(c3n == u3_cr_sing(puq_hax, puq_yor)) ||
|
|
(c3n == u3_cr_sing(u3h(quq_hax), u3h(quq_yor))) )
|
|
{
|
|
return u3_cm_error("find-fork");
|
|
}
|
|
switch ( u3h(quq_hax) ) {
|
|
case c3y: {
|
|
u3_noun pquq_hax = u3t(quq_hax);
|
|
u3_noun pquq_yor = u3t(quq_yor);
|
|
|
|
ret = u3nc
|
|
(
|
|
u3k(p_hax),
|
|
u3nq
|
|
(
|
|
u3_nul,
|
|
u3k(puq_hax),
|
|
c3y,
|
|
u3_cqf_fork(pquq_hax, pquq_yor)));
|
|
break;
|
|
}
|
|
case c3n: {
|
|
u3_noun pquq_hax, qquq_hax, pquq_yor, qquq_yor;
|
|
|
|
u3_cx_cell(u3t(quq_hax), &pquq_hax, &qquq_hax);
|
|
u3_cx_cell(u3t(quq_yor), &pquq_yor, &qquq_yor);
|
|
|
|
if ( c3n == u3_cr_sing(pquq_hax, pquq_yor) ) {
|
|
return u3_cm_error("find-fork");
|
|
} else {
|
|
ret = u3nc
|
|
(
|
|
u3k(p_hax),
|
|
u3nq
|
|
(u3_nul,
|
|
u3k(puq_hax),
|
|
c3n,
|
|
u3nc
|
|
(u3k(pquq_hax),
|
|
u3_cqb_weld
|
|
(qquq_hax, qquq_yor))));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
u3z(yor);
|
|
u3z(hax);
|
|
|
|
return ret;
|
|
}
|
|
}
|
|
case c3__hold: p_sut = u3t(sut);
|
|
{
|
|
if ( (c3y == u3_cqdi_has(gil, sut)) ) {
|
|
return u3nc(u3k(dep), u3_nul);
|
|
}
|
|
else {
|
|
u3_noun zoc = u3_cqdi_put(gil, sut);
|
|
u3_noun fop = u3_cqfu_repo(van, sut);
|
|
u3_noun pro = _find_in(van, fop, dep, way, cog, zoc);
|
|
|
|
u3z(fop);
|
|
u3z(zoc);
|
|
|
|
return pro;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
_cqfu_find(
|
|
u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun dep,
|
|
u3_noun way,
|
|
u3_noun cog)
|
|
{
|
|
return _find_in(van, sut, dep, way, cog, u3_nul);
|
|
}
|
|
|
|
u3_noun
|
|
_cqfu_fino(
|
|
u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun dep,
|
|
u3_noun way,
|
|
u3_noun cog)
|
|
{
|
|
return _fino_in(van, sut, dep, way, cog, u3_nul);
|
|
}
|
|
|
|
/* boilerplate
|
|
*/
|
|
u3_noun
|
|
u3_cwfu_fino(
|
|
u3_noun cor)
|
|
{
|
|
u3_noun sut, dep, way, cog, van;
|
|
|
|
if ( (c3n == u3_cr_mean(cor, u3_cv_sam_2, &dep,
|
|
u3_cv_sam_6, &way,
|
|
u3_cv_sam_7, &cog,
|
|
u3_cv_con, &van,
|
|
0)) ||
|
|
(u3_none == (sut = u3_cr_at(u3_cv_sam, van))) )
|
|
{
|
|
return u3_cm_bail(c3__fail);
|
|
} else {
|
|
return _cqfu_fino(van, sut, dep, way, cog);
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
u3_cqfu_fino(
|
|
u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun dep,
|
|
u3_noun way,
|
|
u3_noun cog)
|
|
{
|
|
c3_m fun_m = c3__fino;
|
|
u3_noun pro = u3_cz_find_4(fun_m, sut, dep, way, cog);
|
|
|
|
if ( u3_none != pro ) {
|
|
return pro;
|
|
}
|
|
else {
|
|
pro = _cqfu_fino(van, sut, dep, way, cog);
|
|
|
|
return u3_cz_save_4(fun_m, sut, dep, way, cog, pro);
|
|
}
|
|
}
|
|
|
|
|
|
/* boilerplate
|
|
*/
|
|
u3_noun
|
|
u3_cwfu_find(
|
|
u3_noun cor)
|
|
{
|
|
u3_noun sut, dep, way, cog, van;
|
|
|
|
if ( (c3n == u3_cr_mean(cor, u3_cv_sam_2, &dep,
|
|
u3_cv_sam_6, &way,
|
|
u3_cv_sam_7, &cog,
|
|
u3_cv_con, &van,
|
|
0)) ||
|
|
(u3_none == (sut = u3_cr_at(u3_cv_sam, van))) )
|
|
{
|
|
return u3_cm_bail(c3__fail);
|
|
} else {
|
|
return _cqfu_find(van, sut, dep, way, cog);
|
|
}
|
|
}
|
|
|
|
u3_noun
|
|
u3_cqfu_find(
|
|
u3_noun van,
|
|
u3_noun sut,
|
|
u3_noun dep,
|
|
u3_noun way,
|
|
u3_noun cog)
|
|
{
|
|
c3_m fun_m = c3__find;
|
|
u3_noun pro = u3_cz_find_4(fun_m, sut, dep, way, cog);
|
|
|
|
if ( u3_none != pro ) {
|
|
return pro;
|
|
}
|
|
else {
|
|
pro = _cqfu_find(van, sut, dep, way, cog);
|
|
|
|
return u3_cz_save_4(fun_m, sut, dep, way, cog, pro);
|
|
}
|
|
}
|