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6 changed files with 0 additions and 259 deletions

9
.gitignore vendored
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@ -31,13 +31,4 @@
*.exe *.exe
*.out *.out
*.app *.app
quickhull
# VS project
*.vcxproj*
*.sln
Debug
Release
# additional win includes
SFML-2.5.1

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@ -1,20 +0,0 @@
CXX = g++
CXXFLAGS = -Wall -O3
# In case you installed SFML to a non-standard path, you'll need to tell the compiler where to find the SFML headers (.hpp files):
# g++ -c main.cpp -I<sfml-install-path>/include
# If SFML is not installed in a standard path, you need to tell the dynamic linker where to find the SFML libraries first by specifying LD_LIBRARY_PATH:
# export LD_LIBRARY_PATH=<sfml-install-path>/lib && ./sfml-app
quickhull: main.o Timing.o
# link with sfml libs; -lsfml-network -lsfml-audio currently not needed
$(CXX) $(CXXFLAGS) -o quickhull main.o Timing.o -lsfml-system -lsfml-window -lsfml-graphics
main.o: main.cpp Timing.h
$(CXX) $(CXXFLAGS) -c main.cpp
Timing.o: Timing.h
clean :
-rm *.o quickhull

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@ -1,168 +0,0 @@
#include <stdio.h>
#include <iostream>
#include <sstream>
#include <iomanip> // setw for padleft
#include "Timing.h"
Timing* Timing::mInstance = 0;
/**
* Singleton: Get instance.
*/
Timing* Timing::getInstance() {
if (mInstance == 0) {
mInstance = new Timing();
}
return mInstance;
}
/**
* Start recording time with any name.
*/
void Timing::startRecord(const std::string& name) {
auto start = std::chrono::high_resolution_clock::now();
auto it = mRecordings.find(name);
if (it != mRecordings.end()) {
it->second = start;
}
else {
mRecordings.insert(std::pair<std::string, std::chrono::high_resolution_clock::time_point>(name, start));
}
}
/**
* Stop recording time with any name.
*/
void Timing::stopRecord(const std::string& name) {
auto end = std::chrono::high_resolution_clock::now();
auto it = mRecordings.find(name);
if (it != mRecordings.end()) {
auto start = it->second;
auto result = end - start;
mResults.insert(std::pair<std::string, std::chrono::duration<double, std::milli> >(name, result));
}
}
/**
* Print measured results human-readable.
* Set prettyPrint to true to display mm:ss.ms instead of ms.
*/
void Timing::print(const bool prettyPrint) const {
std::cout << "--------------------" << std::endl << "Results: " << std::endl << "--------------------" << std::endl;
auto it = mResults.begin();
while (it != mResults.end()) {
if (prettyPrint) {
std::cout << it->first << ": " << parseDate((int)it->second.count()) << std::endl;
}
else {
std::cout << it->first << ": " << std::setfill(' ') << std::setw(10) << std::fixed << std::setprecision(4) << it->second.count() << "ms" << std::endl;
}
it++;
}
std::cout << "--------------------" << std::endl;
}
/**
* Parse date from ms to mm:ss.ms.
*/
std::string Timing::parseDate(const int ms) const {
int minutes = (int)(ms / 1000 / 60);
int seconds = (int)((ms % (1000 * 60)) / 1000);
int milliseconds = (int)(ms % 1000);
std::ostringstream stringStream;
if (seconds == 60) {
stringStream << minutes + 1 << ":00" << seconds << ".";
}
else {
stringStream << minutes << ":" << (seconds < 10 ? "0" : "") << seconds << ".";
}
if (milliseconds < 100) {
if (milliseconds < 10) {
stringStream << "00" << milliseconds;
}
else {
stringStream << "0" << milliseconds;
}
}
else {
stringStream << milliseconds;
}
return stringStream.str();
}
/**
* Get results of setup, computation and finalization in form:
* mm:ss.ms;mm:ss.ms;mm.ss.ms
*/
std::string Timing::getResults() const {
std::ostringstream stringStream;
auto start = mResults.find("setup");
if (start != mResults.end()) {
stringStream << parseDate((int)start->second.count()) << ";";
}
auto computation = mResults.find("computation");
if (computation != mResults.end()) {
stringStream << parseDate((int)computation->second.count()) << ";";
}
auto finalization = mResults.find("finalization");
if (start != mResults.end()) {
stringStream << parseDate((int)finalization->second.count());
}
return stringStream.str();
}
/**
* Start recording the setup time.
*/
void Timing::startSetup() {
this->startRecord("setup");
}
/**
* Stop recording the setup time.
*/
void Timing::stopSetup() {
this->stopRecord("setup");
}
/**
* Start recording the computation time.
*/
void Timing::startComputation() {
this->startRecord("computation");
}
/**
* Stop recording the computation time.
*/
void Timing::stopComputation() {
this->stopRecord("computation");
}
/**
* Start recording the finalization time.
*/
void Timing::startFinalization() {
this->startRecord("finalization");
}
/**
* Stop recording the finalization time.
*/
void Timing::stopFinalization() {
this->stopRecord("finalization");
}

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@ -1,33 +0,0 @@
#pragma once
#include <chrono>
#include <string>
#include <map>
/**
* Measure high precision time intervals (using std::chrono).
* Author: Karl Hofer <hoferk@technikum-wien.at>
*/
class Timing {
public:
static Timing* getInstance();
void startSetup();
void stopSetup();
void startComputation();
void stopComputation();
void startFinalization();
void stopFinalization();
void startRecord(const std::string& name);
void stopRecord(const std::string& name);
void print(const bool prettyPrint = false) const;
std::string getResults() const;
private:
Timing() {};
std::map<std::string, std::chrono::high_resolution_clock::time_point > mRecordings;
std::map<std::string, std::chrono::duration<double, std::milli> > mResults;
std::string parseDate(const int ms) const;
static Timing* mInstance;
};

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@ -1,29 +0,0 @@
// make sure sfml is installed:
// linux - sudo apt-get install libsfml-dev
// windows - manual dl from https://www.sfml-dev.org/download.php
#include <SFML/Graphics.hpp>
#include "Timing.h"
int main()
{
sf::RenderWindow window(sf::VideoMode(200, 200), "SFML works!");
sf::CircleShape shape(100.f);
shape.setFillColor(sf::Color::Green);
while (window.isOpen())
{
sf::Event event;
while (window.pollEvent(event))
{
if (event.type == sf::Event::Closed)
window.close();
}
window.clear();
window.draw(shape);
window.display();
}
return 0;
}