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update where optimization uses either nomad-parameter file depending on optimizing 1 or 2 steps
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 19 Jun 2023 17:09:56 -0400
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1 #ifndef UTILS_HPP
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2 #define UTILS_HPP
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4 #include <sstream>
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5 #include <iosfwd>
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6 #include <string>
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7 #include <vector>
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9 static const double pi = 3.14159265358979323846;
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11 static const std::string separator = " ";
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12 const char commentChar = '#';
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14 /** Loads lines of numbers from a text file, separated by some character */
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15 std::vector<std::vector<float> > loadNumbers(const std::string& filename, const std::string& separator = ::separator);
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17 /** Gets line in a file, skipping comments (starting with '#') (wrapper around getline).
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18 * Warning: returns an empty string if all the lines to the end of the file are comments. */
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19 std::string getlineComment(std::ifstream& f);
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21 /** Get relative filename if not absolute */
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22 std::string getRelativeFilename(const std::string& parentDirname, const std::string& filename);
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24 /** Converts a string to an integer. */
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25 int toInt(const std::string& s);
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27 /** Converts a string to a float. */
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28 float toFloat(const std::string& s);
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30 /** Converts a string to a double. */
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31 double toDouble(const std::string& s);
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33 /** Opens file for writing with fixed scientific precision. */
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34 void openWriteScientificPrecision(std::ofstream& out, const std::string& filename, const int& precision);
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36 void openWritePrecision(std::ofstream& out, const std::string& filename, const int& precision);
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38 /** Opens files and checks how it went. */
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39 bool openCheck(std::ifstream& f, const std::string& filename, const std::string& callingFunctionName);
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40 bool openCheck(std::ofstream& f, const std::string& filename, const std::string& callingFunctionName);
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43 // inline
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45 inline double square(const int& a) { return a*a;}
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47 /** Implements key bindings, for example for cvWaitKey(). */
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48 inline bool forwardKey(const int& pressedKey) { return (((char)pressedKey) == '+');}
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50 inline bool backwardKey(const int& pressedKey) { return (((char)pressedKey) == '-');}
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52 inline bool saveKey(const int& pressedKey) { return (((char)pressedKey) == 's' || ((char)pressedKey) == 'S');}
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54 inline bool interruptionKey(const int& pressedKey) { return (((char)pressedKey) == 'q' || ((char)pressedKey) == 'Q');}
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56 inline bool skipKey(const int& pressedKey) { return (((char)pressedKey) == 'n' || ((char)pressedKey) == 'N');}
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59 // templates
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60
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61 /** Splits a string on the separator. The resulting string items are added to the result (the list is not cleared). */
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62 template<class Seq>
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63 inline void split(Seq& result, const std::string& text, const std::string& separator = ::separator) {
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64 int n = text.length();
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66 int start = text.find_first_not_of(separator);
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67 while ((start >= 0) && (start < n)) {
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68 int stop = text.find_first_of(separator, start);
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69 if ((stop < 0) || (stop > n))
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70 stop = n;
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71 result.push_back(text.substr(start, stop - start));
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72 start = text.find_first_not_of(separator, stop+1);
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73 }
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74 }
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76 /** Converts strings to numbers. */
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77 template<typename T>
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78 bool fromString(T & result, const std::string & s) {
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79 std::istringstream iss(s);
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80 iss >> result;
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81 return iss.good() || iss.eof();
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82 }
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83
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84 #endif