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draft code for feature saving (UBC format)
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Sat, 28 Nov 2009 01:56:46 -0500
parents ff5403319cec
children a52653dca25d
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1 #ifndef UTILS_HPP
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2 #define UTILS_HPP
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4 #include <iofwd>
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6 static const double pi = 3.14159265358979323846;
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8 /** Opens file for writing with fixed scientific precision. */
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9 void openWriteScientific(ofstream& out, const string& filename, const int& precision);
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11 void openWritePrecision(ofstream& out, const string& filename, const int& precision);
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13 /** Opens files and checks how it went. */
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14 bool openCheck(ifstream& f, const string& filename, const string& callingFunctionName);
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15 bool openCheck(ofstream& f, const string& filename, const string& callingFunctionName);
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18 // inline
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20 inline double square(const int& a) { return a*a;}
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22 /** Implements key bindings, for example for cvWaitKey(). */
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23 inline bool forwardKey(const int& pressedKey) { return (((char)pressedKey) == '+');}
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25 inline bool backwardKey(const int& pressedKey) { return (((char)pressedKey) == '-');}
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27 inline bool saveKey(const int& pressedKey) { return (((char)pressedKey) == 's' || ((char)pressedKey) == 'S');}
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29 inline bool interruptionKey(const int& pressedKey) { return (((char)pressedKey) == 'q' || ((char)pressedKey) == 'Q');}
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31 inline bool skipKey(const int& pressedKey) { return (((char)pressedKey) == 'n' || ((char)pressedKey) == 'N');}
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33 #endif