1 files changed, 53 insertions, 0 deletions
diff --git a/test/math/test-math-isinff.cc b/test/math/test-math-isinff.cc
new file mode 100644
index 0000000..ecff1dc
--- /dev/null
+++ b/test/math/test-math-isinff.cc
@@ -0,0 +1,53 @@
+/* Test for bug 19439.
+   Copyright (C) 2016 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Marek Polacek <polacek@redhat.com>, 2012.
+
+   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/>.  */
+
+#define _GNU_SOURCE 1
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static int
+do_test (void)
+{
+  /* Verify that isinff, isinfl, isnanf, and isnanlf are defined
+     in the header under C++11 and can be called.  Without the
+     header fix this test will not compile.  */
+  if (isinff (1.0f)
+      || !isinff (INFINITY)
+#ifndef NO_LONG_DOUBLE
+      || isinfl (1.0L)
+      || !isinfl (INFINITY)
+#endif
+      || isnanf (2.0f)
+      || !isnanf (NAN)
+#ifndef NO_LONG_DOUBLE
+      || isnanl (2.0L)
+      || !isnanl (NAN)
+#endif
+      )
+    {
+      printf ("FAIL: Failed to call is* functions.\n");
+      exit (1);
+    }
+  printf ("PASS: Able to call isinff, isinfl, isnanf, and isnanl.\n");
+  exit (0);
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"