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https://github.com/zenorogue/hyperrogue.git
synced 2024-12-24 01:00:25 +00:00
improvements in expansion
This commit is contained in:
Zeno Rogue
parent
ecf351e16a
commit
a556ef0823
229
expansion.cpp
229
expansion.cpp
@ -24,6 +24,39 @@ bignum& bignum::operator +=(const bignum& b) {
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return *this;
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}
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void bignum::addmul(const bignum& b, int factor) {
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int K = isize(b.digits);
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if(K > isize(digits)) digits.resize(K);
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int carry = 0;
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for(int i=0; i<K || (carry > 0 && carry < -1); i++) {
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if(i >= isize(digits)) digits.push_back(0);
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long long l = digits[i];
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l += carry;
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if(i < K) l += b.digits[i] * factor;
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carry = 0;
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if(l >= BASE) carry = l / BASE;
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if(l < 0) carry = -(BASE-1-l) / BASE;
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l -= carry * BASE;
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digits[i] = l;
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}
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if(carry < 0) digits.back() -= BASE;
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}
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void operator ++(bignum &b, int) {
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int i = 0;
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while(true) {
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if(isize(b.digits) == i) { b.digits.push_back(1); break; }
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else if(b.digits[i] == bignum::BASE-1) {
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b.digits[i] = 0;
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i++;
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}
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else {
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b.digits[i]++;
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break;
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}
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}
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}
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string bignum::get_str(int max_length) {
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if(digits.empty()) return "0";
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string ret = its(digits.back());
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@ -41,6 +74,12 @@ string bignum::get_str(int max_length) {
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return ret;
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}
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void canonicize(vector<int>& t) {
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for(int i=2; i<isize(t); i++)
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if((t[i] & 3) == 1 && (t[i-1] & 3) != 1)
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std::rotate(t.begin()+1, t.begin()+i, t.end());
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}
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vector<int> expansion_analyzer::gettype(cell *c) {
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vector<int> res;
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res.push_back(subtype(c) * 4 + 2);
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@ -49,6 +88,7 @@ vector<int> expansion_analyzer::gettype(cell *c) {
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cell *c1 = c->cmove(i);
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res.push_back(subtype(c1) * 4 + celldist(c1) - d);
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}
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canonicize(res);
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return res;
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}
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@ -80,9 +120,14 @@ void expansion_analyzer::preliminary_grouping() {
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}
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N = isize(samples);
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rootid = 0;
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diskid = N;
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children.push_back(children[rootid]);
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children[diskid].push_back(diskid);
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N++;
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}
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void expansion_analyzer::reduce_grouping() {
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int old_N = N;
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vector<int> grouping;
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grouping.resize(N);
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int nogroups = 1;
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@ -115,10 +160,9 @@ void expansion_analyzer::reduce_grouping() {
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for(auto& p: codeid) p.second = grouping[p.second];
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N = nogroups;
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rootid = grouping[rootid];
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diskid = N;
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children.push_back(children[rootid]);
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children[diskid].push_back(diskid);
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N++;
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diskid = grouping[diskid];
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printf("%d -> %d\n", old_N, N);
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for(int g=0; g<old_N; g++) if(grouping[g] != g) descendants.clear();
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}
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template<class T> int size_upto(vector<T>& v, int s) {
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@ -242,6 +286,65 @@ void expansion_analyzer::reset() {
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descendants.clear();
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}
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template<class T> int type_in(expansion_analyzer& ea, cell *c, const T& f) {
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if(!ea.N) ea.preliminary_grouping(), ea.reduce_grouping();
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vector<int> res;
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res.push_back(subtype(c) * 4 + 2);
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int d = f(c);
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for(int i=0; i<c->type; i++) {
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cell *c1 = c->cmove(i);
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res.push_back(subtype(c1) * 4 + f(c1) - d);
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}
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canonicize(res);
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if(ea.codeid.count(res)) return ea.codeid[res];
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int ret = ea.N++;
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ea.codeid[res] = ret;
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vector<int> rec(MAX_EDGE, -1);
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ea.children.emplace_back();
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for(int k=0; k<c->type; k++) {
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cell *c1 = c->cmove(k);
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if(f(c1) != d+1) continue;
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cell *c2 = c->cmove((k+1) % c->type);
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if(f(c2) != d+1) continue;
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auto ti = rec[k] = type_in(ea, c1, f);
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// note: ea.children[ret].push_back(type_in(...)) would not work because of invalidation
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ea.children[ret].push_back(ti);
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}
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/*
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printf("extra type created: [%d, d=%d]", ret, d); for(auto i: ea.children[ret]) printf(" %d", i); printf("\n");
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printf(" list:");
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for(int k=0; k<c->type; k++) {
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cell *c1 = c->cmove(k);
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printf(" %d/%d/%d", k, rec[k], f(c1) - d);
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}
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printf("\n");
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*/
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return ret;
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}
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bool show_ea_types;
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template<class T> int type_in_quick(expansion_analyzer& ea, cell *c, const T& f) {
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vector<int> res;
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res.push_back(subtype(c) * 4 + 2);
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int d = f(c);
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for(int i=0; i<c->type; i++) {
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cell *c1 = c->cmove(i);
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int dd = f(c1) - d;
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if(dd < -1 || dd > 1) return -1;
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res.push_back(subtype(c1) * 4 + dd);
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}
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canonicize(res);
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if(ea.codeid.count(res)) return ea.codeid[res];
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return -1;
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}
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bool sizes_known() {
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if(bounded) return false;
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// Castle Anthrax is infinite
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@ -265,42 +368,99 @@ string expansion_analyzer::approximate_descendants(int d, int max_length) {
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return XLAT("about ") + fts(pow(10, log_10 - more_digits)) + "E" + its(more_digits);
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}
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int expansion_method=4, nopage;
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string expansion_methods[5] = { "celllister", "celllister/verify", "celldistance", "expansion_analyzer", "automatic" };
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template<class T> int type_in_reduced(expansion_analyzer& ea, cell *c, const T& f) {
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int a = ea.N;
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int t = type_in(ea, c, f);
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if(expansion.N != a) {
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expansion.reduce_grouping();
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t = type_in(ea, c, f);
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}
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return t;
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}
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void expansion_analyzer::view_distances_dialog() {
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distcolors[0] = forecolor;
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dialog::init("");
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long long qty[64];
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vector<cell*>& ac = currentmap->allcells();
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for(int i=0; i<64; i++) qty[i] = 0;
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for(int i=0; i<isize(ac); i++) {
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int d = celldistance(ac[i], cwt.at);
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if(d >= 0 && d < 64) qty[d]++;
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cmode |= sm::DIALOG_STRICT_X | sm::EXPANSION;
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int maxlen = bounded ? 128 : 16 + 8 * nopage;
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vector<bignum> qty(maxlen);
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int aem = expansion_method;
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if(aem == 4) aem = (bounded || !sizes_known()) ? 0 : 3;
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int errors = 0;
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// method 0: celllister
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switch(aem) {
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case 0: {
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celllister cl(cwt.at, bounded ? maxlen-1 : gamerange(), 100000, NULL);
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for(int d: cl.dists)
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if(d >= 0 && d < maxlen) qty[d]++;
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break;
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}
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case 1: {
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celllister cl(cwt.at, gamerange(), 100000, NULL);
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for(int i=0; i<isize(cl.lst); i++) {
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int d = cl.dists[i];
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if(d >= 0 && d < maxlen) qty[d]++;
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if(expansion_method == 1 && celldistance(cwt.at, cl.lst[d]) != d)
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errors++;
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}
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break;
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}
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case 2: {
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celllister cl(cwt.at, gamerange(), 100000, NULL);
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for(cell *c: cl.lst) {
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int d = celldistance(cwt.at, c);
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if(d >= 0 && d < maxlen) qty[d]++;
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}
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break;
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}
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case 3: {
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int t = type_in_reduced(expansion, cwt.at, [] (cell *c) { return celldistance(cwt.at, c); });
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for(int r=0; r<maxlen; r++)
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qty[r] = expansion.get_descendants(r, t);
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/* not implemented */
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break;
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}
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}
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if(sizes_known()) {
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if(sizes_known() && aem < 3) {
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find_coefficients();
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if(gamerange() >= valid_from && coefficients_known == 2) {
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for(int i=gamerange()+1; i<64; i++) {
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qty[i] = 0;
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for(int j=0; j<isize(coef); j++)
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qty[i] += qty[i-1-j] * coef[j];
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}
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if(gamerange()+1 >= valid_from && coefficients_known == 2) {
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for(int i=gamerange()+1; i<maxlen; i++)
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for(int j=0; j<isize(coef); j++) {
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qty[i].addmul(qty[i-1-j], coef[j]);
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printf("[%d] after adding %s x %d:\n", i, qty[i-1-j].get_str(100).c_str(), coef[j]);
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printf(" %s\n", qty[i].get_str(100).c_str());
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}
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}
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}
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for(int i=0; i<(bounded ? 64 : 16); i++) if(qty[i])
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dialog::addInfo(its(qty[i]), distcolors[i&7]);
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for(int i=8 * nopage; i<maxlen; i++) if(!qty[i].digits.empty())
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dialog::addInfo(its(i) + ": " + qty[i].get_str(100), distcolors[i&7]);
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if(errors)
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dialog::addInfo(its(errors) + " ERRORS!");
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else
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dialog::addBreak(100);
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if(binarytiling) {
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dialog::addBreak(300);
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dialog::addBreak(200);
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dialog::addInfo("a(d) ~ 2ᵈ");
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}
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else if(sizes_known()) {
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if(euclid) {
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dialog::addBreak(300);
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dialog::addBreak(200);
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dialog::addInfo("a(d) = " + its(get_descendants(10).approx_int() - get_descendants(9).approx_int()) + "d", forecolor);
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}
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else {
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dialog::addBreak(200);
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dialog::addBreak(100);
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if(coefficients_known == 2) {
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string fmt = "a(d+" + its(isize(coef)) + ") = ";
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@ -318,18 +478,41 @@ void expansion_analyzer::view_distances_dialog() {
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fmt += ")";
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first = false;
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}
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fmt += " (d>" + its(valid_from-1) + ")";
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dialog::addHelp(fmt);
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}
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else dialog::addBreak(100);
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char buf[20];
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snprintf(buf, 20, "%.8lf", (double) get_growth());
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dialog::addInfo("a(d) ~ " + string(buf) + "ᵈ", forecolor);
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dialog::addInfo("a(d) = Θ(" + string(buf) + "...ᵈ)", forecolor);
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}
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}
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dialog::addItem(expansion_methods[expansion_method], 'M');
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if(!bounded) dialog::addItem("next page", 'N');
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if(nopage) dialog::addItem("previous page", 'J');
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dialog::display();
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}
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bool expansion_handleKey(int sym, int uni) {
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if(cmode & sm::EXPANSION) {
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if(uni == 'M') {
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expansion_method++;
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expansion_method %= 5;
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}
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else if(uni == 'R') expansion_method = 4;
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else if(uni == 'N') nopage++;
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else if(uni == 'J' && nopage > 0) nopage--;
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else if(uni == 'S') show_ea_types = !show_ea_types;
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else return false;
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return true;
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}
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return false;
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}
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int expansion_hook = addHook(hooks_handleKey, 0, expansion_handleKey);
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#if !CAP_MINI
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void compute_coefficients() {
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printf("%s %s\n", gp::operation_name().c_str(), ginf[geometry].name);
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13
graph.cpp
13
graph.cpp
@ -3665,8 +3665,19 @@ void drawcell(cell *c, transmatrix V, int spinv, bool mirrored) {
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}
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if(viewdists && !behindsphere(V)) {
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int cd = (cwt.at == currentmap->gamestart() && numplayers() == 1) ? celldist(c) : celldistance(c, cwt.at);
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int cd =
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among(expansion_method, 1, 2) ? celldistance(c, cwt.at) :
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(cwt.at == currentmap->gamestart() && numplayers() == 1 && !binarytiling) ? celldist(c) :
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(c->cpdist < INF) ? c->cpdist :
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celldistance(c, cwt.at);
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string label = its(cd);
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if(c->cpdist < INF && show_ea_types) {
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int t = type_in_quick(expansion, c, [] (cell *c) { return c->cpdist; });
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if(t >= 0)
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label = label + ":" + its(t);
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}
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// string label = its(fieldpattern::getriverdistleft(c)) + its(fieldpattern::getriverdistright(c));
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int dc = distcolors[cd&7];
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wcol = gradient(wcol, dc, 0, .4, 1);
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2
hyper.h
2
hyper.h
@ -2160,6 +2160,7 @@ namespace sm {
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static const int TORUSCONFIG = 8192;
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static const int MAYDARK = 16384;
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static const int DIALOG_STRICT_X = 32768; // do not interpret dialog clicks outside of the X region
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static const int EXPANSION = (1<<16);
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};
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namespace linepatterns {
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@ -4116,6 +4117,7 @@ struct bignum {
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bignum(int i) : digits() { digits.push_back(i); }
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void be(int i) { digits.resize(1); digits[0] = i; }
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bignum& operator +=(const bignum& b);
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void addmul(const bignum& b, int factor);
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string get_str(int max_length);
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ld approx() {
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if(digits.empty()) return 0;
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@ -293,6 +293,7 @@ int main() {
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allchars.insert("½");
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allchars.insert("²");
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allchars.insert("π");
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allchars.insert("Θ");
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langPL(); langCZ(); langRU();
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langTR(); langDE(); langPT();
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