[Bf-committers] Why not use sqrtf instead of sqrt?

[Ton Roosendaal]

Hi,

As far as gcc is involved, sqrtf was introduced as builtin only in  
later versions. For OSX 10.2 the gcc 3.1 compiler doesn't have it for  
example.

-Ton-

On Friday, Jun 18, 2004, at 22:07 Europe/Amsterdam, Kent Mein wrote:

> In reply to Panagiotis Papadakos (papadako@csd.uoc.gr):
>
>> Since in many cases sqrt is used for float numbers, I think it should  
>> be
>> replaced by sqrtf, which would make the code cleaner (no casting) and
>> should also be faster in some systems! Any comments?
>>
>
> Well under solaris I don't think there is a sqrtf so we'd have to do
> some nasty stuff that would result in uglier code.
>
> maybe a typedef in some header for SQRTF SQRTL etc....
>
> If you do a search through the board about the comments you'll see the
> changes I had to do on solaris and a note that was gcc specific.
> If you were using solaris's native compiler which I am slowly trying
> to get working btw... You'd have to do something different.
> I'm not sure what that is exactly at this stage, my gut tells me
> sqrt is just overloaded with solaris's compiler and it figures it out
> automatically.
>
> Kent
> --  
> mein@cs.umn.edu
> http://www.cs.umn.edu/~mein
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--
Ton Roosendaal  Blender Foundation ton@blender.org  
http://www.blender.org