Re: CGFloat and 64 Bit
Re: CGFloat and 64 Bit
- Subject: Re: CGFloat and 64 Bit
- From: Clark Cox <email@hidden>
- Date: Sun, 8 Feb 2009 23:14:26 -0800
On Sun, Feb 8, 2009 at 3:52 AM, Gerriet M. Denkmann
<email@hidden> 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.
>
> A somehow related question:
> How does one find out, in which mode (32 vs. 64 bit) an app is running?
#ifdef __LP64__
printf("I'm running 64-bit\n");
#else
printf("I'm running 32-bit\n");
#endif
> Both from inside of an app and from outside (I expected to see something in
> Activity Monitor -> Info but did not find any indication).
Make sure to show the "Kind" column in Activity Monitor.
>
> How does one force a 32/64 bit app to run in 32 or 64 bit?
Applications prefer 64-bit by default. If you want something else, see
the LSArchitecturePriority Info.plist key.
> Probably some line in Info.plist like "prefers 64 bit = YES" but I cannot
> find anything in the documentation.
--
Clark S. Cox III
email@hidden
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