kc3-lang/gnulib/doc/posix-functions/truncf.texi

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• Hash : fdb0fd9e
  Author :
  Date : 2010-12-21T15:44:21
  

  New module 'truncf-ieee'.
  
  * modules/truncf-ieee: New file.
  * m4/truncf.m4 (gl_FUNC_TRUNCF): If gl_FUNC_TRUNCF_IEEE is also used,
  test whether truncf works according to ISO C 99 with IEC 60559.
  * m4/truncf-ieee.m4: New file.
  * lib/math.in.h (truncf): Replace if REPLACE_TRUNCF is set.
  * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_TRUNCF.
  * modules/math (Makefile.am): Substitute REPLACE_TRUNCF.
  * modules/truncf-ieee-tests: New file.
  * tests/test-truncf-ieee.c: New file, based on tests/test-truncf1.c.
  * tests/test-truncf1.c (main): Remove signbit tests.
  * modules/truncf-tests (Depends-on): Remove 'signbit'.
  * doc/posix-functions/truncf.texi: Mention the new module.
  

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• doc/posix-functions/truncf.texi

• @node truncf
  @section @code{truncf}
  @findex truncf
  
  POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/truncf.html}
  
  Gnulib module: truncf or truncf-ieee
  
  Portability problems fixed by either Gnulib module @code{truncf} or @code{truncf-ieee}:
  @itemize
  @item
  This function is missing on some platforms:
  FreeBSD 5.2.1, NetBSD 3.0, OpenBSD 3.8, AIX 5.1, HP-UX 11, Solaris 9, Interix 3.5.
  @item
  This function is not declared (without @code{-D_GNU_SOURCE}) on some platforms:
  glibc 2.8.
  @end itemize
  
  Portability problems fixed by Gnulib module @code{truncf-ieee}:
  @itemize
  @item
  This function returns a positive zero for a minus zero argument
  on some platforms:
  OSF/1 5.1.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @end itemize
  

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