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+/* Test compilation of tgmath macros.
+ Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Andreas Jaeger <aj@suse.de>, 2003.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <math.h>
+#include <complex.h>
+#include <tgmath.h>
+#include <stdio.h>
+
+static float fx;
+static double dx;
+static long double lx;
+static int errors = 0;
+
+static void
+our_error (const char *c)
+{
+ puts (c);
+ ++errors;
+}
+
+/* First function where the return type is constant. */
+
+#define CHECK_RET_CONST_TYPE(func, rettype, arg, name) \
+ if (sizeof (func (arg)) != sizeof (rettype)) \
+ our_error ("Return size of " #func " is wrong with " #name " argument");
+
+#define CHECK_RET_CONST_FLOAT(func, rettype) \
+ CHECK_RET_CONST_TYPE (func, rettype, fx, float)
+#define CHECK_RET_CONST_DOUBLE(func, rettype) \
+ CHECK_RET_CONST_TYPE (func, rettype, dx, double)
+#ifdef NO_LONG_DOUBLE
+# define CHECK_RET_CONST_LDOUBLE(func, rettype)
+#else
+# define CHECK_RET_CONST_LDOUBLE(func, rettype) \
+ CHECK_RET_CONST_TYPE (func, rettype, lx, long double)
+#endif
+
+#define CHECK_RET_CONST(func, rettype) \
+static void \
+check_return_ ##func (void) \
+{ \
+ CHECK_RET_CONST_FLOAT (func, rettype) \
+ CHECK_RET_CONST_DOUBLE (func, rettype) \
+ CHECK_RET_CONST_LDOUBLE (func, rettype) \
+}
+
+CHECK_RET_CONST(ilogb, int)
+CHECK_RET_CONST(lrint, long)
+CHECK_RET_CONST(lround, long)
+CHECK_RET_CONST(llrint, long long)
+CHECK_RET_CONST(llround, long long)
+
+static int
+do_test (void)
+{
+ check_return_ilogb ();
+ check_return_lrint ();
+ check_return_lround ();
+ check_return_llrint ();
+ check_return_llround ();
+
+ printf ("%Zd\n", sizeof(carg (lx)));
+
+ return errors != 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"