kopia lustrzana https://gitlab.com/tomaszg/geostat
47 wiersze
1.5 KiB
C++
47 wiersze
1.5 KiB
C++
#include "cache.h"
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#include <cmath>
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#include <ctime>
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Position Cache::home;
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static float degtorad(float x) {
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return x * M_PI / 180;
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}
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void Cache::show() const {
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std::cout << "Cache:\t" << code << ' ' << name << " (type: " << type << ", owned by " << owner << ")\n";
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std::cout << '\t' << pos.lat << " " << pos.lon << "\t\tD/T: " << diff << '/' << terr << "\t\tSize: " << size << "\t\tFound on " << date << '\n';
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}
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std::string Cache::link() const {
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return "http://coord.eu/" + code;
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}
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float Cache::distance() const {
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return 2 * Earth_radius * asin(sqrt(pow(sin(degtorad((pos.lat - home.lat) / 2)), 2) + cos(degtorad(pos.lat)) * cos(degtorad(home.lat)) * pow(sin(degtorad((pos.lon - home.lon) / 2)), 2)));
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}
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void Cache::set_date(const std::tm* t) {
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char tmp[20];
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date_tm = *t;
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std::mktime(&date_tm);
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year = std::to_string(1900+date_tm.tm_year);
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std::strftime(tmp, 20, "(%m) %B", &date_tm);
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mon = tmp;
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day = std::to_string(date_tm.tm_mday);
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hour = std::to_string(date_tm.tm_hour);
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std::strftime(tmp, 20, "(%u) %A", &date_tm);
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day_of_week = tmp;
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std::strftime(tmp, 20, "%F", &date_tm);
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date = tmp;
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// date += std::to_string(date_tm.tm_hour) + ":" + std::to_string(date_tm.tm_min) + ":" + std::to_string(date_tm.tm_sec);
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}
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float cache_distance(const Cache& a, const Cache& b) {
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return 2 * Earth_radius * asin(sqrt(pow(sin(degtorad((a.pos.lat - b.pos.lat) / 2)), 2) + cos(degtorad(a.pos.lat)) * cos(degtorad(b.pos.lat)) * pow(sin(degtorad((a.pos.lon - b.pos.lon) / 2)), 2)));
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}
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