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| author | Bruno Haible <bruno@clisp.org> | 2012-04-03 18:59:33 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2012-04-03 21:14:09 +0200 |
| commit | 1ab17d9f64900d991443e712f636c9ef6ad543b2 (patch) | |
| tree | e1a8a3720fbea6455aaf2a40fb01ba0610db69cc /m4/math_h.m4 | |
| parent | 9e7a6e9093ca226915933ed14029ba7efea0efca (diff) | |
| download | gnulib-1ab17d9f64900d991443e712f636c9ef6ad543b2.tar.gz | |
New module 'ilogb'.
* lib/math.in.h (ilogb): New declaration.
* lib/ilogb.c: New file.
* m4/ilogb.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether ilogb is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGB, HAVE_ILOGB,
REPLACE_ILOGB.
* modules/math (Makefile.am): Substitute GNULIB_ILOGB, HAVE_ILOGB,
REPLACE_ILOGB.
* modules/ilogb: New file.
* tests/test-math-c++.cc: Check the declaration of ilogb.
* doc/posix-functions/ilogb.texi: Mention the new module.
Diffstat (limited to 'm4/math_h.m4')
| -rw-r--r-- | m4/math_h.m4 | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/m4/math_h.m4 b/m4/math_h.m4 index ef97a600d4..d9735df133 100644 --- a/m4/math_h.m4 +++ b/m4/math_h.m4 @@ -1,4 +1,4 @@ -# math_h.m4 serial 110 +# math_h.m4 serial 111 dnl Copyright (C) 2007-2012 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -44,6 +44,7 @@ AC_DEFUN([gl_MATH_H], expf expl exp2 exp2f exp2l expm1 expm1f expm1l fabsf fabsl floorf floorl fma fmaf fmal fmod fmodf fmodl frexpf frexpl hypotf hypotl + ilogb ldexpf ldexpl log logf logl log10 log10f log10l log1p log1pf log1pl log2 log2f log2l logb logbf logbl @@ -108,6 +109,7 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], GNULIB_HYPOT=0; AC_SUBST([GNULIB_HYPOT]) GNULIB_HYPOTF=0; AC_SUBST([GNULIB_HYPOTF]) GNULIB_HYPOTL=0; AC_SUBST([GNULIB_HYPOTL]) + GNULIB_ILOGB=0; AC_SUBST([GNULIB_ILOGB]) GNULIB_ISFINITE=0; AC_SUBST([GNULIB_ISFINITE]) GNULIB_ISINF=0; AC_SUBST([GNULIB_ISINF]) GNULIB_ISNAN=0; AC_SUBST([GNULIB_ISNAN]) @@ -186,6 +188,7 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], HAVE_FREXPF=1; AC_SUBST([HAVE_FREXPF]) HAVE_HYPOTF=1; AC_SUBST([HAVE_HYPOTF]) HAVE_HYPOTL=1; AC_SUBST([HAVE_HYPOTL]) + HAVE_ILOGB=1; AC_SUBST([HAVE_ILOGB]) HAVE_ISNANF=1; AC_SUBST([HAVE_ISNANF]) HAVE_ISNAND=1; AC_SUBST([HAVE_ISNAND]) HAVE_ISNANL=1; AC_SUBST([HAVE_ISNANL]) @@ -276,6 +279,7 @@ AC_DEFUN([gl_MATH_H_DEFAULTS], REPLACE_HYPOT=0; AC_SUBST([REPLACE_HYPOT]) REPLACE_HYPOTF=0; AC_SUBST([REPLACE_HYPOTF]) REPLACE_HYPOTL=0; AC_SUBST([REPLACE_HYPOTL]) + REPLACE_ILOGB=0; AC_SUBST([REPLACE_ILOGB]) REPLACE_ISFINITE=0; AC_SUBST([REPLACE_ISFINITE]) REPLACE_ISINF=0; AC_SUBST([REPLACE_ISINF]) REPLACE_ISNAN=0; AC_SUBST([REPLACE_ISNAN]) |