Generating random-value integers in Qt
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Revision as of 13:53, 13 June 2012
Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Compatibility
Platform(s): S60 3rd Edition, FP1, FP2
S60 5th Edition
S60 5th Edition
Article
Keywords: qrand
Created: tepaa
(08 Apr 2009)
Last edited: hamishwillee
(13 Jun 2012)
Contents |
Overview
This code snippet shows how to generate a random integer in Qt.
Preconditions
- Install Qt SDK
Source
#include <QGlobal.h>
#include <QTime>
int QMyClass::randInt(int low, int high)
{
// Random number between low and high
return qrand() % ((high + 1) - low) + low;
}
// Create seed for the random
// That is needed only once on application startup
QTime time = QTime::currentTime();
qsrand((uint)time.msec());
// Get random value between 0-100
int randomValue = randInt(0,100);
Postconditions
A random number is given.
