Re: [fun] unsigned int is not big enough

Use unsigned long long or float.

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----- Reply message -----
From: "Aleksandar Kuktin" <[email protected]>
To: <[email protected]>
Subject: [fun] unsigned int is not big enough
Date: Fri, Sep 7, 2012 3:59 pm


I just ran into a fun little thing I thought I ought to share with
people.

I am writing a program for calculating the standardised mortality rates
from various diseases, when I noticed that an unsigned int as well as
an unsigned long on 32-bit x86 architectures is simply not big enough.

On x86_32, both are 4 octets wide, while on x86_64, only int is 4
octets wide. That means they can store values up to 2**32-1 which is
about 4.3 billion which is NOT ENOUGH if you want to calculate
world-wide statistics!

And there I was, foolishly believing that unsigned int so BIG, that I
will never in my life really have to worry about its size. Oh, what a
fool I was.

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