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From: Bruce Evans <bde@FreeBSD.org>
Date: Wed, 5 Jul 2006 02:16:29 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src/lib/msun/src e_scalbf.c
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bde         2006-07-05 02:16:29 UTC

  FreeBSD src repository

  Modified files:
    lib/msun/src         e_scalbf.c 
  Log:
  Backed out rev.1.10.  It tried to implement ldexpf() as a weak reference
  to scalbf(), but ldexpf() cannot be implemented in that way since the
  types of the second parameter differ.  ldexpf() can be implemented as
  a weak or strong reference to scalbnf() (*) but that was already done
  long before rev.1.10 was committed.  The old implementation uses a
  reference, so rev.1.10 had no effect on applications.  The C files for
  the scalb() family are not used for amd64 or i386, so rev.1.10 had even
  less effect for these arches.
  
  (*) scalbnf() raises the radix to the given exponent, while ldexpf()
  raises 2 to the given exponent.  Thus the functions are equivalent
  except possibly for their error handling iff the radix is 2.  Standards
  more or less require identical error handling.  Under FreeBSD, the
  functions are equivalent except for more details being missing in
  scalbnf()'s man page.
  
  Revision  Changes    Path
  1.11      +0 -2      src/lib/msun/src/e_scalbf.c