about summary refs log tree commit diff
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"