On Feb 8, 2009, at 4:52 AM, Gerriet M. Denkmann wrote:
When I build a Cocoa Project with 32/64 bit, this line gets a warning:
NSSize a = NSMakeSize( 11.2, 22.4);
which went away using:
NSSize a = NSMakeSize( (CGFloat)11.2, (CGFloat)22.4);
Is this the only and correct way to use NSMakeSize() ? Looks kind of
ugly.
It's not. Either make them float constants, as others have pointed
out, or keep them as double constants and build your 32-bit
executables with the -fsingle-precision-constant C flag set.
A somehow related question:
How does one find out, in which mode (32 vs. 64 bit) an app is
running?
Both from inside of an app and from outside (I expected to see
something in Activity Monitor -> Info but did not find any
indication).
It is in Activity Monitor; you need to turn on the "Kind" table column
(which is on by default in Leopard, but it wasn't in Panther or I
think Tiger, so it's easy to miss). I'd like to know where it gets its
information too...
How does one force a 32/64 bit app to run in 32 or 64 bit?
You can do that using the "arch" tool, or check/uncheck the box in the
Finder Get Info window if it's an application.
Nick Zitzmann
<http://www.chronosnet.com/>
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