From 6c8149d7e17e4cbc70c3a777b746ac42fb3f8d5c Mon Sep 17 00:00:00 2001
From: Bruno Haible <bruno@clisp.org>
Date: Tue, 3 Apr 2012 04:44:59 +0200
Subject: New module 'logbf'.

* lib/math.in.h (logbf): New declaration.
* lib/logbf.c: New file.
* m4/logbf.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether logbf is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_LOGBF, HAVE_LOGBF,
REPLACE_LOGBF.
* modules/math (Makefile.am): Substitute GNULIB_LOGBF, HAVE_LOGBF,
REPLACE_LOGBF.
* modules/logbf: New file.
* tests/test-math-c++.cc: Check the declaration of logbf.
* doc/posix-functions/logbf.texi: Mention the new module.
---
 lib/math.in.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'lib/math.in.h')

diff --git a/lib/math.in.h b/lib/math.in.h
index 40983a9640..247c64417c 100644
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -1388,6 +1388,29 @@ _GL_WARN_ON_USE (log2l, "log2l is unportable - "
 #endif
 
 
+#if @GNULIB_LOGBF@
+# if @REPLACE_LOGBF@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef logbf
+#   define logbf rpl_logbf
+#  endif
+_GL_FUNCDECL_RPL (logbf, float, (float x));
+_GL_CXXALIAS_RPL (logbf, float, (float x));
+# else
+#  if !@HAVE_LOGBF@
+_GL_FUNCDECL_SYS (logbf, float, (float x));
+#  endif
+_GL_CXXALIAS_SYS (logbf, float, (float x));
+# endif
+_GL_CXXALIASWARN (logbf);
+#elif defined GNULIB_POSIXCHECK
+# undef logbf
+# if HAVE_RAW_DECL_LOGBF
+_GL_WARN_ON_USE (logbf, "logbf is unportable - "
+                 "use gnulib module logbf for portability");
+# endif
+#endif
+
 #if @GNULIB_LOGB@
 # if @REPLACE_LOGB@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
-- 
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