/usr/include/kerngen/q_shift.inc is in libkernlib1-dev 20061220+dfsg3-4.2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* $Id: q_shift.inc,v 1.3 2006/09/15 09:35:16 mclareni Exp $
*
* $Log: q_shift.inc,v $
* Revision 1.3 2006/09/15 09:35:16 mclareni
* Submitted mods for gcc4/gfortran and MacOSX, corrected to work also on slc4 with gcc3.4 and 4.1
*
* Revision 1.2 1996/03/05 17:04:19 cernlib
* Replace #else by elif 1 ( for SGI cpp )
*
* Revision 1.1.1.1 1996/02/15 17:49:19 mclareni
* Kernlib
*
*
*
* q_shift.inc
*
#if defined(CERNLIB_QMSUN)&&defined(CERNLIB_BUGLRSHFT)
ISHFTL (IZW,NZB) = LSHIFT (IZW, NZB)
ISHFTR (IZW,NZB) = ishft (IZW, -NZB)
#elif defined(CERNLIB_QMSUN)&&(!defined(CERNLIB_BUGLRSHFT))
ISHFTL (IZW,NZB) = LSHIFT (IZW, NZB)
ISHFTR (IZW,NZB) = lrshft (IZW, NZB)
#elif defined(CERNLIB_QMDOS)&&defined(CERNLIB_QF_F2C)
C--
C-- Note: F2C-ish RSHIFT is arithmetic right shift.
C-- This means sign bits are shifted in at the high end
C
ISHFTL(IZW,NZB) = LSHIFT(IZW,NZB)
C ISHFTR(IZW,NZB) = RSHIFT(IZW,NZB)
C ISHFT(IZW,NZB) = LSHIFT(IZW,NZB)
#elif defined(CERNLIB_QMLNX) && !defined(CERNLIB_GFORTRAN)
ISHFTL (IZW,NZB) = LSHIFT (IZW,NZB)
#elif 1
ISHFTL (IZW,NZB) = ISHFT (IZW, NZB)
ISHFTR (IZW,NZB) = ISHFT (IZW, -NZB)
#endif
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