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From: Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups: comp.programming
Subject: Re: Here is why C++ and C are bad...
Date: Wed, 30 Dec 2015 20:01:21 +0000
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David Brown <david.brown@hesbynett.no> writes:

> On 30/12/15 17:32, Ben Bacarisse wrote:
>> David Brown <david.brown@hesbynett.no> writes:
>> 
>>> On 30/12/15 14:28, Richard Heathfield wrote:
>> <snip>
>>>>   int i = -6;
>>>>   unsigned int j = 42;
>>>>   if(i < j)
>>>>   {
>>>>     puts("-6 is less than 42");
>>>>   }
>> <snip>
>>> Of course, this in itself is just a specialist case of the difference
>>> between "normal" mathematics and numbers in C.  Replace the first two
>>> lines with "int16_t i = 1000000; int16_t j = 4000000;" and you'll find
>>> that four million is apparently smaller than one million.
>> 
>> You might find that, but you also might not!  There is a conversion
>> which is implementation-defined (and might even raise a signal).
>> 
>
> Absolutely - which is why you always have to be careful with arithmetic
> in C.

I'd just say "you have to be careful in C".  There's no arithmetic (in
the way I'd want to use the word) in "int16_t i = 1000000;".

-- 
Ben.