Hi Robert,
I agree with you that there is no other way than testing. Maybe we could
make an platform dependent include of math.h instead of cmath for the
platforms you think there is a risk (like IRIX) on the trunk and ask the
community to test it.
Christian
Le 01/02/2013 10:13, Robert Osfield a écrit :
Hi Christian,
On 1 February 2013 07:31, Christian Schulte <[email protected]> wrote:
my nightly build worked fine on RedHat 5.3(64bits) but also on CentOS
6.3(64bits), WinXP(32bits)¨and Win7(64bits).
Thanks again for your quick answer and solution.
By the way did you think about how to correct the math.h problem (regarding
the round function, see discussion "[osg-users] [osgPlugins] DDS Texture
vanish with LINEAR_MIPMAP_LINEAR") ? In our environment I have recompiled
all OSG 3.0.1 and trunk replacing math.h by cmath in include/osg/Math and
didn't have any problems until now.
The only way to find out whether cmath is safe to use in
include/osg/Math is to do it and then get the community to test across
the full set of platforms. Problem areas are likely to be HP-UX, AIX,
Solaris and IRIX. The later being the most likely to be a problem but
it's also not something we official support now as no one tests on
that platform that I'm aware of.
Perhaps we could put a CMAKE variable into control whether to use
cmath or math.h in case using cmath is problematic. This does add
complexity though and if we don't need it it'll be a waste of time.
There is no way for me to know until we do wider testing.
Robert.
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