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30/06/2008, 16h47

In article <da23fd45-4729-4a98-8a99-
b9ef4dd8800a@l28g2000prd.googlegroups.com>, amphetaman@gmail.com says...
> I know this might seem kind of silly, but is it necessary to cast int
> to double?
>
> Do I have to do
>
> int i = 42;
> double d = static_cast<double>(i);
>
> or can I just do d = i?

The language allows you to do the assignment without an explicit type
cast. Somewhere, I suppose there might be a compiler that warns you
about doing it, but that's a bit hard to guess -- someday I might create
a web site of "inane compiler warnings", but I haven't yet...

--
Later,
Jerry.

The universe is a figment of its own imagination.

30/06/2008, 16h47	#2
Jerry Coffin Messages: n/a Hébergeur:	Re: Implicit conversion from int to double In article <da23fd45-4729-4a98-8a99- b9ef4dd8800a@l28g2000prd.googlegroups.com>, amphetaman@gmail.com says... > I know this might seem kind of silly, but is it necessary to cast int > to double? > > Do I have to do > > int i = 42; > double d = static_cast<double>(i); > > or can I just do d = i? The language allows you to do the assignment without an explicit type cast. Somewhere, I suppose there might be a compiler that warns you about doing it, but that's a bit hard to guess -- someday I might create a web site of "inane compiler warnings", but I haven't yet... -- Later, Jerry. The universe is a figment of its own imagination.