kc3-lang/gnulib/m4/log1pl-ieee.m4

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• Hash : 6f9fd2e9
  Author :
  Date : 2012-03-11T02:36:40
  

  log1pl-ieee: Work around test failure on IRIX 6.5.
  
  * m4/log1pl-ieee.m4: New file.
  * m4/log1pl.m4 (gl_FUNC_LOG1PL): If gl_FUNC_LOG1PL_IEEE is present,
  test whether log1pl works with a minus zero argument. Replace it if
  not.
  * lib/math.in.h (log1pl): Override if REPLACE_LOG1PL is 1.
  * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_LOG1PL.
  * modules/math (Makefile.am): Substitute REPLACE_LOG1PL.
  * modules/log1pl (configure.ac): Consider REPLACE_LOG1PL.
  (Depends-on): Update conditions.
  * modules/log1pl-ieee (Files): Add m4/log1p-ieee.m4, m4/minus-zero.m4,
  m4/signbit.m4.
  (configure.ac): Invoke gl_FUNC_LOG1PL_IEEE.
  * doc/posix-functions/log1pl.texi: Mention the log1pl-ieee module.
  

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• m4/log1pl-ieee.m4

• # log1pl-ieee.m4 serial 1
  dnl Copyright (C) 2012 Free Software Foundation, Inc.
  dnl This file is free software; the Free Software Foundation
  dnl gives unlimited permission to copy and/or distribute it,
  dnl with or without modifications, as long as this notice is preserved.
  
  dnl This macro is in a separate file (not in remainder.m4 and not inlined in the
  dnl module description), so that gl_FUNC_LOG1PL can test whether 'aclocal' has
  dnl found uses of this macro.
  
  AC_DEFUN([gl_FUNC_LOG1PL_IEEE],
  [
    m4_divert_text([INIT_PREPARE], [gl_log1pl_required=ieee])
    AC_REQUIRE([gl_FUNC_LOG1PL])
  ])
  

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