tests/perfmodels/value_nan.c: test double and nan values can be written and read back properly

tests/Makefile.am

@@ -223,6 +223,7 @@ noinst_PROGRAMS =				\
 	perfmodels/non_linear_regression_based	\
 	perfmodels/feed				\
 	perfmodels/valid_model			\
+	perfmodels/value_nan			\
 	sched_policies/data_locality            \
 	sched_policies/execute_all_tasks        \
 	sched_policies/prio        		\

tests/perfmodels/value_nan.c

@@ -0,0 +1,35 @@
+/* StarPU --- Runtime system for heterogeneous multicore architectures.
+ *
+ * Copyright (C) 2013  Centre National de la Recherche Scientifique
+ *
+ * StarPU 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.
+ *
+ * StarPU 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 in COPYING.LGPL for more details.
+ */
+
+#include <config.h>
+#include <core/perfmodel/perfmodel.h>
+#include "../helper.h"
+
+int main(int argc, char **argv)
+{
+	int ret;
+
+	ret = _starpu_check_number(42.0, 0);
+	FPRINTF(stderr, "%s when reading %lf\n", ret?"Success":"Error", 42.0);
+
+	if (ret)
+	{
+	     ret = _starpu_check_number(NAN, 1);
+	     FPRINTF(stderr, "%s when reading %lf\n", ret?"Success":"Error", NAN);
+	}
+
+	return ret;
+}