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https://github.com/zenorogue/hyperrogue.git
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62629f3e70
Since we require C++11, most of these consts can be constexpr. Two `static const ld` remain non-compile-time-evaluable because they depend on the runtime `log` function. One `static const cld` remains non-compile-time because `std::complex<T>` doesn't become constexpr until C++14.
81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
#ifndef _DHRG_H_
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#define _DHRG_H_
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#define DHRGVER "7.1"
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#include "../rogueviz.h"
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#define LONG_BRACKETS
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namespace dhrg {
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using namespace hr;
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typedef long long ll;
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#ifndef BOXSIZE
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static constexpr int BOXSIZE = 32;
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#endif
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static constexpr int MAXDIST = (2*BOXSIZE);
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static constexpr int SETS = 4;
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struct segment;
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inline cell *croot() { return currentmap->gamestart(); }
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extern int M;
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extern vector<struct mycell*> vertices;
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extern vector<ld> disttable0, disttable1;
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void memoryInfo();
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void cellcoords();
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void origcoords();
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void build_disttable();
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void dhrg_init();
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bool dhrg_animate(int sym, int uni);
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/* implemented in loglik.cpp: */
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/* for logistic regression */
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struct logistic {
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ld R, T;
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ld yes1(ld d) { return 1/(1 + exp(d)); }
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ld no1(ld d) { return 1/(1 + exp(-d)); }
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ld nor(ld d) { return (d-R) / 2 / T; }
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ld yes(ld d) { return yes1(nor(d)); }
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ld no(ld d) { return no1(nor(d)); }
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ld lyes(ld d) { d = nor(d); return d > 200 ? -d : log(yes1(d)); }
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ld lno(ld d) { d = nor(d); return d < -200 ? d : log(no1(d)); }
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logistic() {}
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logistic(ld _R, ld _T) : R(_R), T(_T) {}
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void setRT(ld _R, ld _T) { R = _R; T = _T; }
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};
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extern ld llcont_approx_prec;
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extern vector<array<ll, 2>> disttable_approx;
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using logisticfun = std::function<ld(logistic&)>;
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extern logistic current_logistic;
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ld loglik_cont_approx(logistic& l = current_logistic);
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void fast_loglik_cont(logistic& l, const logisticfun& f, const char *name, ld start, ld eps);
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/* greedy routing */
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struct iddata {
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ld tot, suc, routedist, bestdist;
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iddata() { tot = suc = routedist = bestdist = 0; }
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};
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using neighborhoodfun = std::function<vector<int> (int)>;
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using distfun = std::function<ld(int a, int b)>;
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void prepare_pairs(int N, const neighborhoodfun& nei);
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void greedy_routing(iddata& d, const distfun& distance_function);
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}
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#endif
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