summaryrefslogtreecommitdiff
path: root/math/test-fp-llogb-constants.c
diff options
context:
space:
mode:
Diffstat (limited to 'math/test-fp-llogb-constants.c')
-rw-r--r--math/test-fp-llogb-constants.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/math/test-fp-llogb-constants.c b/math/test-fp-llogb-constants.c
new file mode 100644
index 0000000000..25bc0042f4
--- /dev/null
+++ b/math/test-fp-llogb-constants.c
@@ -0,0 +1,48 @@
+/* Test requirements on FP_LLOGB* 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_LLOGB0 >= 0
+# error "FP_LLOGB0 is positive"
+#endif
+
+#if FP_LLOGB0 != LONG_MIN && FP_LLOGB0 != -LONG_MAX
+# error "FP_LLOGB0 must be LONG_MIN or -LONG_MAX"
+#endif
+
+#if FP_LLOGBNAN >= 0 && FP_LLOGBNAN != LONG_MAX
+# error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
+#endif
+
+#if FP_LLOGBNAN < 0 && FP_LLOGBNAN != LONG_MIN
+# error "FP_LLOGBNAN must be LONG_MIN or LONG_MAX"
+#endif
+
+#if (FP_ILOGB0 == INT_MIN) != (FP_LLOGB0 == LONG_MIN)
+# error "FP_ILOGB0 and FP_LLOGB0 inconsistent"
+#endif
+
+#if (FP_ILOGBNAN == INT_MIN) != (FP_LLOGBNAN == LONG_MIN)
+# error "FP_ILOGBNAN and FP_LLOGBNAN inconsistent"
+#endif
+
+/* This is a compilation test. */
+#define TEST_FUNCTION 0
+#include "../test-skeleton.c"