Re: [Openexr-user] exrdisplay compile woes on Redhat 7.3

[Drew Hess]

doh, sorry, my mistake, I meant

Math<float>::pow ()


-dwh-


On Mon, 9 Feb 2004, Alec Bartsch wrote:

> 
> On Feb 9, 2004, at 2:50 PM, Drew Hess wrote:
> 
> > Yikes, that looks like a gcc bug.  I wasn't able to reproduce that on 
> > my
> > RedHat 7.2 system with gcc 2.96, though.  What version of gcc 2.96 RPM 
> > are
> > you using?  Mine is gcc-2.96-98.
> 
> Mine is gcc-2.96-110.
> 
> > Also, try this: #include <ImathMath.h> and change the pow () function 
> > on
> > line 85 to Math::pow<float> () and see if that fixes the problem.
> 
> I get a different error message, but since I'm a little vague on what 
> C++ templates are all about, please confirm that I made the change 
> correctly:
> 
>      return (unsigned char) (clamp (Math::pow<float> (x, 0.4545f) * 
> 84.66f, 0.f, 255.f));
> 
> Here's the new output:
> 
> makePreview.cpp: In function `unsigned char {unnamed}::gamma (half,
> float)':
> makePreview.cpp:86: use of class template `template <T> struct
> Imath::Math' as expression
> makePreview.cpp:86: parse error before `::'
> makePreview.cpp:86: parse error before `)'
> makePreview.cpp:87: warning: no return statement in function returning
> non-void
> 
> ____________________________________
> Alec Bartsch
> Sky Captain and The World of Tomorrow
> 
> 
>