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comparison include/utils.hpp @ 20:ef0d7caf8e91

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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
comparison
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19:5a21d2cfee44 20:ef0d7caf8e91
1 #ifndef UTILS_HPP 1 #ifndef UTILS_HPP
2 #define UTILS_HPP 2 #define UTILS_HPP
3 3
4 #include <iofwd>
5
4 static const double pi = 3.14159265358979323846; 6 static const double pi = 3.14159265358979323846;
7
8 /** Opens file for writing with fixed scientific precision. */
9 void openWriteScientific(ofstream& out, const string& filename, const int& precision);
10
11 void openWritePrecision(ofstream& out, const string& filename, const int& precision);
12
13 /** Opens files and checks how it went. */
14 bool openCheck(ifstream& f, const string& filename, const string& callingFunctionName);
15 bool openCheck(ofstream& f, const string& filename, const string& callingFunctionName);
16
17
18 // inline
5 19
6 inline double square(const int& a) { return a*a;} 20 inline double square(const int& a) { return a*a;}
7 21
8 /** Implements key bindings, for example for cvWaitKey(). */ 22 /** Implements key bindings, for example for cvWaitKey(). */
9 inline bool forwardKey(const int& pressedKey) { return (((char)pressedKey) == '+');} 23 inline bool forwardKey(const int& pressedKey) { return (((char)pressedKey) == '+');}