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diff lib/math.in.h @ 15828:36ce57192e3b

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New module 'fabsf'. * lib/math.in.h (fabsf): New declaration. * lib/fabsf.c: New file. * m4/fabsf.m4: New file. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize GNULIB_FABSF, HAVE_FABSF. * modules/math (Makefile.am): Substitute GNULIB_FABSF, HAVE_FABSF. * modules/fabsf: New file. * tests/test-math-c++.cc: Check the declaration of fabsf. * doc/posix-functions/fabsf.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Thu, 06 Oct 2011 00:03:44 +0200
parents ec6332cd8838
children 022f031c4bdf
line wrap: on
line diff
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -282,6 +282,22 @@
 #endif
 
 
+#if @GNULIB_FABSF@
+# if !@HAVE_FABSF@
+#  undef fabsf
+_GL_FUNCDECL_SYS (fabsf, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (fabsf, float, (float x));
+_GL_CXXALIASWARN (fabsf);
+#elif defined GNULIB_POSIXCHECK
+# undef fabsf
+# if HAVE_RAW_DECL_FABSF
+_GL_WARN_ON_USE (fabsf, "fabsf is unportable - "
+                 "use gnulib module fabsf for portability");
+# endif
+#endif
+
+
 #if @GNULIB_FLOORF@
 # if @REPLACE_FLOORF@
 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)