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Re: XCode 2.0: what happened to long long?
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Re: XCode 2.0: what happened to long long?


  • Subject: Re: XCode 2.0: what happened to long long?
  • From: Glen Low <email@hidden>
  • Date: Mon, 27 Jun 2005 19:28:06 +0800

On 27/06/2005, at 8:51 AM, Ken Brooks wrote:

On 25 Jun 2005, at 14:25, Ken Brooks wrote:


This code quit compiling when I went to XCode 2.0.  What's up with long long?

  typedef unsigned long long PathTrace;

   const PathTrace trace0 = 0;
   const PathTrace trace1 = 0x8000000000000000;

   long long myvar = 0x8000000000000000;

The errors:

/Users/ken/Programs/Cat & Mouse 2view + AI/TestFile.cpp:4: error: integer constant is too large for 'long' type
/Users/ken/Programs/Cat & Mouse 2view + AI/TestFile.cpp:6: error: integer constant is too large for 'long' type


At 2:30 PM +0100 6/25/05, Frederick Cheung wrote:
You need to append LL or ULL to the constant (eg 0x8000000000000000ULL)

Fred


Thanks, Fred.  That fixed it right up.

Now, where was this NEW REQUIREMENT documented?  I read the 2.0 release notes carefully, and found nothing of the sort.

gcc 4.0 is trying to be more conformant to the C/C++ spec, which IIRC says that constants fit into the smallest of s/u char, short or int that will fit by default. long long is not in the standard.

Cheers, Glen Low



---

pixelglow software | simply brilliant stuff

www.pixelglow.com

aim: pixglen


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References: 
 >XCode 2.0: what happened to long long? (From: Ken Brooks <email@hidden>)
 >Re: XCode 2.0: what happened to long long? (From: Frederick Cheung <email@hidden>)
 >Re: XCode 2.0: what happened to long long? (From: Ken Brooks <email@hidden>)

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