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diff lib/math.in.h @ 15875:7eede30e6658

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New module 'cosf'. * lib/math.in.h (cosf): New declaration. * lib/cosf.c: New file. * m4/cosf.m4: New file. * m4/math_h.m4 (gl_MATH_H): Test whether cosf is declared. (gl_MATH_H_DEFAULTS): Initialize GNULIB_COSF, HAVE_COSF. * modules/math (Makefile.am): Substitute GNULIB_COSF, HAVE_COSF. * modules/cosf: New file. * tests/test-math-c++.cc: Check the declaration of cosf. * doc/posix-functions/cosf.texi: Mention the new module.
author Bruno Haible <bruno@clisp.org>
date Sat, 08 Oct 2011 23:07:36 +0200
parents 83e1d08997e4
children c0c190f3cccb
line wrap: on
line diff
--- a/lib/math.in.h
+++ b/lib/math.in.h
@@ -213,6 +213,21 @@
 #endif
 
 
+#if @GNULIB_COSF@
+# if !@HAVE_COSF@
+#  undef cosf
+_GL_FUNCDECL_SYS (cosf, float, (float x));
+# endif
+_GL_CXXALIAS_SYS (cosf, float, (float x));
+_GL_CXXALIASWARN (cosf);
+#elif defined GNULIB_POSIXCHECK
+# undef cosf
+# if HAVE_RAW_DECL_COSF
+_GL_WARN_ON_USE (cosf, "cosf is unportable - "
+                 "use gnulib module cosf for portability");
+# endif
+#endif
+
 #if @GNULIB_COSL@
 # if !@HAVE_COSL@ || !@HAVE_DECL_COSL@
 _GL_FUNCDECL_SYS (cosl, long double, (long double x));