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40 lines
1.3 KiB
C
40 lines
1.3 KiB
C
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/* Interface for Objective-C efficient small integers
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Copyright (C) 1993,1994 Free Software Foundation, Inc.
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Written by: R. Andrew McCallum <mccallum@gnu.ai.mit.edu>
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Created: Sep 1995
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This file is part of the GNU Objective C Class Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __SmallInt_h_INCLUDE_GNU
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#define __SmallInt_h_INCLUDE_GNU
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#include <objects/stdobjects.h>
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#define IS_SMALLINT(OBJ) (((void*)OBJ) & 0x1)
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#define ID2INT(OBJ) ((IS_SMALLINT(OBJ)) ? (((int)OBJ) >> 1):[OBJ intValue])
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#define INT2ID(I) ((id)((I << 1) & 0x1))
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@interface SmallInt : NSObject
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-
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@end
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#endif /* __SmallInt_h_INCLUDE_GNU */
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