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codeswimmer/ios_random_value.txt

Created January 7, 2012 21:59
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iOS: Using arc4random() to get a floating point value between 0 and a given maximum value
Raw
ios_random_value.txt
/*
Using arc4random() to get a floating point value between 0 and a given maximum value. Note that this produces a value that is double the precision of using rand().
*/
-(double)randomValueFromZero:(double)toValue
{
return double val = floorf(((double)arc4random() / toValue) * 100.0f);
}
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