aboutsummaryrefslogtreecommitdiff
path: root/math/test-fesetexcept-traps.c
diff options
context:
space:
mode:
Diffstat (limited to 'math/test-fesetexcept-traps.c')
-rw-r--r--math/test-fesetexcept-traps.c68
1 files changed, 68 insertions, 0 deletions
diff --git a/math/test-fesetexcept-traps.c b/math/test-fesetexcept-traps.c
new file mode 100644
index 0000000000..c40b5bc2b8
--- /dev/null
+++ b/math/test-fesetexcept-traps.c
@@ -0,0 +1,68 @@
+/* Test fesetexcept: exception traps enabled.
+ 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 <fenv.h>
+#include <stdio.h>
+#include <math-tests.h>
+
+static int
+do_test (void)
+{
+ int result = 0;
+
+ fedisableexcept (FE_ALL_EXCEPT);
+ int ret = feenableexcept (FE_ALL_EXCEPT);
+ if (!EXCEPTION_ENABLE_SUPPORTED (FE_ALL_EXCEPT) && (ret == -1))
+ {
+ puts ("feenableexcept (FE_ALL_EXCEPT) not supported, cannot test");
+ return 77;
+ }
+ else if (ret != 0)
+ {
+ puts ("feenableexcept (FE_ALL_EXCEPT) failed");
+ result = 1;
+ return result;
+ }
+
+ if (EXCEPTION_SET_FORCES_TRAP)
+ {
+ puts ("setting exceptions traps, cannot test on this architecture");
+ return 77;
+ }
+ /* Verify fesetexcept does not cause exception traps. */
+ ret = fesetexcept (FE_ALL_EXCEPT);
+ if (ret == 0)
+ puts ("fesetexcept (FE_ALL_EXCEPT) succeeded");
+ else
+ {
+ puts ("fesetexcept (FE_ALL_EXCEPT) failed");
+ if (EXCEPTION_TESTS (float))
+ {
+ puts ("failure of fesetexcept was unexpected");
+ result = 1;
+ }
+ else
+ puts ("failure of fesetexcept OK");
+ }
+ feclearexcept (FE_ALL_EXCEPT);
+
+ return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"