about summary refs log tree commit diff
path: root/math/test-fp-ilogb-constants.c
diff options
context:
space:
mode:
Diffstat (limited to 'math/test-fp-ilogb-constants.c')
-rw-r--r--math/test-fp-ilogb-constants.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/math/test-fp-ilogb-constants.c b/math/test-fp-ilogb-constants.c
new file mode 100644
index 0000000000..eaa9cc1a02
--- /dev/null
+++ b/math/test-fp-ilogb-constants.c
@@ -0,0 +1,40 @@
+/* Test requirements on FP_ILOGB* constants.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <limits.h>
+#include <math.h>
+
+#if FP_ILOGB0 >= 0
+# error "FP_ILOGB0 is positive"
+#endif
+
+#if FP_ILOGB0 != INT_MIN && FP_ILOGB0 != -INT_MAX
+# error "FP_ILOGB0 must be INT_MIN or -INT_MAX"
+#endif
+
+#if FP_ILOGBNAN >= 0 && FP_ILOGBNAN != INT_MAX
+# error "FP_ILOGBNAN must be INT_MIN or INT_MAX"
+#endif
+
+#if FP_ILOGBNAN < 0 && FP_ILOGBNAN != INT_MIN
+# error "FP_ILOGBNAN must be INT_MIN or INT_MAX"
+#endif
+
+/* This is a compilation test.  */
+#define TEST_FUNCTION 0
+#include "../test-skeleton.c"