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diff lib/math.in.h @ 16766:4f4f1518fbab

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New module 'ilogbf'. * lib/math.in.h (ilogbf): New declaration. * lib/ilogbf.c: New file. * m4/ilogbf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether ilogbf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_ILOGBF, HAVE_ILOGBF, REPLACE_ILOGBF. * modules/math (Makefile.am): Substitute GNULIB_ILOGBF, HAVE_ILOGBF, REPLACE_ILOGBF. * modules/ilogbf: New file. * tests/test-math-c++.cc: Check the declaration of ilogbf. * doc/posix-functions/ilogbf.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Tue, 03 Apr 2012 21:13:26 +0200 (2012-04-03)
parents d48f227b07b4
children cd4aba7fcd3e
line wrap: on
line diff
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -1087,6 +1087,29 @@
 #endif
 
 
+#if @GNULIB_ILOGBF@
+# if @REPLACE_ILOGBF@
+#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+#   undef ilogbf
+#   define ilogbf rpl_ilogbf
+#  endif
+_GL_FUNCDECL_RPL (ilogbf, int, (float x));
+_GL_CXXALIAS_RPL (ilogbf, int, (float x));
+# else
+#  if !@HAVE_ILOGBF@
+_GL_FUNCDECL_SYS (ilogbf, int, (float x));
+#  endif
+_GL_CXXALIAS_SYS (ilogbf, int, (float x));
+# endif
+_GL_CXXALIASWARN (ilogbf);
+#elif defined GNULIB_POSIXCHECK
+# undef ilogbf
+# if HAVE_RAW_DECL_ILOGBF
+_GL_WARN_ON_USE (ilogbf, "ilogbf is unportable - "
+                 "use gnulib module ilogbf for portability");
+# endif
+#endif
+
 #if @GNULIB_ILOGB@
 # if @REPLACE_ILOGB@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)