kc3-lang/gnulib/modules/exp2l

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• Hash : aa42b545
  Author :
  Date : 2012-03-09T02:14:26
  

  exp2l-ieee: Work around test failure on OpenBSD 4.9 and IRIX 6.5.
  
  * m4/exp2l-ieee.m4: New file.
  * m4/exp2l.m4 (gl_FUNC_EXP2L): If gl_FUNC_EXP2L_IEEE is present,
  test whether exp2l works with a NaN argument and with a negative
  infinity argument. Replace it if not.
  * lib/math.in.h (exp2l): Override if REPLACE_EXP2L is 1.
  * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_EXP2L.
  * modules/math (Makefile.am): Substitute REPLACE_EXP2L.
  * modules/exp2l (configure.ac): Consider REPLACE_EXP2L.
  (Depends-on): Update conditions.
  * modules/exp2l-ieee (Files): Add m4/exp2l-ieee.m4.
  (configure.ac): Invoke gl_FUNC_EXP2L_IEEE.
  * doc/posix-functions/exp2l.texi: Mention the exp2l-ieee module.
  

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• modules/exp2l

• Description:
  exp2l() function: exponential base 2 function with long double argument.
  
  Files:
  lib/exp2l.c
  lib/expl-table.c
  m4/exp2l.m4
  
  Depends-on:
  math
  extensions
  exp2            [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 1]
  float           [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
  isnanl          [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
  roundl          [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
  ldexpl          [{ test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; } && test $HAVE_SAME_LONG_DOUBLE_AS_DOUBLE = 0]
  
  configure.ac:
  gl_FUNC_EXP2L
  if test $HAVE_EXP2L = 0 || test $REPLACE_EXP2L = 1; then
    AC_LIBOBJ([exp2l])
    AC_LIBOBJ([expl-table])
  fi
  gl_MATH_MODULE_INDICATOR([exp2l])
  
  Makefile.am:
  
  Include:
  <math.h>
  
  Link:
  $(EXP2L_LIBM)
  
  License:
  LGPL
  
  Maintainer:
  Bruno Haible
  

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