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I'm trying to generate a random number that's between 0 and 1. I keep reading about arc4random(), but there isn't any information about getting a float from it. How do I do this?
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Generate a random float number between 0 to 1Use a random. random() function of a random module to generate a random float number uniformly in the semi-open range [0.0, 1.0) . Note: A random() function can only provide float numbers between 0.1. to 1.0.
The Random random() method generates the number between 0.0 and 1.0.
Random value in [0, 1[ (including 0, excluding 1):
double val = ((double)arc4random() / UINT32_MAX); A bit more details here.
Actual range is [0, 0.999999999767169356], as upper bound is (double)0xFFFFFFFF / 0x100000000.
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