1 files changed, 114 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-96/test-iscanonical-ldbl-96.c b/sysdeps/ieee754/ldbl-96/test-iscanonical-ldbl-96.c
new file mode 100644
index 0000000000..6827aa8108
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-96/test-iscanonical-ldbl-96.c
@@ -0,0 +1,114 @@
+/* Test iscanonical for ldbl-96.
+   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 <float.h>
+#include <math.h>
+#include <math_private.h>
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+
+struct test
+{
+  bool sign;
+  uint16_t exponent;
+  bool high;
+  uint64_t mantissa;
+  bool canonical;
+};
+
+#define M68K_VARIANT (LDBL_MIN_EXP == -16382)
+
+static const struct test tests[] =
+  {
+    { false, 0, true, 0, M68K_VARIANT },
+    { true, 0, true, 0, M68K_VARIANT },
+    { false, 0, true, 1, M68K_VARIANT },
+    { true, 0, true, 1, M68K_VARIANT },
+    { false, 0, true, 0x100000000ULL, M68K_VARIANT },
+    { true, 0, true, 0x100000000ULL, M68K_VARIANT },
+    { false, 0, false, 0, true },
+    { true, 0, false, 0, true },
+    { false, 0, false, 1, true },
+    { true, 0, false, 1, true },
+    { false, 0, false, 0x100000000ULL, true },
+    { true, 0, false, 0x100000000ULL, true },
+    { false, 1, true, 0, true },
+    { true, 1, true, 0, true },
+    { false, 1, true, 1, true },
+    { true, 1, true, 1, true },
+    { false, 1, true, 0x100000000ULL, true },
+    { true, 1, true, 0x100000000ULL, true },
+    { false, 1, false, 0, false },
+    { true, 1, false, 0, false },
+    { false, 1, false, 1, false },
+    { true, 1, false, 1, false },
+    { false, 1, false, 0x100000000ULL, false },
+    { true, 1, false, 0x100000000ULL, false },
+    { false, 0x7ffe, true, 0, true },
+    { true, 0x7ffe, true, 0, true },
+    { false, 0x7ffe, true, 1, true },
+    { true, 0x7ffe, true, 1, true },
+    { false, 0x7ffe, true, 0x100000000ULL, true },
+    { true, 0x7ffe, true, 0x100000000ULL, true },
+    { false, 0x7ffe, false, 0, false },
+    { true, 0x7ffe, false, 0, false },
+    { false, 0x7ffe, false, 1, false },
+    { true, 0x7ffe, false, 1, false },
+    { false, 0x7ffe, false, 0x100000000ULL, false },
+    { true, 0x7ffe, false, 0x100000000ULL, false },
+    { false, 0x7fff, true, 0, true },
+    { true, 0x7fff, true, 0, true },
+    { false, 0x7fff, true, 1, true },
+    { true, 0x7fff, true, 1, true },
+    { false, 0x7fff, true, 0x100000000ULL, true },
+    { true, 0x7fff, true, 0x100000000ULL, true },
+    { false, 0x7fff, false, 0, M68K_VARIANT },
+    { true, 0x7fff, false, 0, M68K_VARIANT },
+    { false, 0x7fff, false, 1, M68K_VARIANT },
+    { true, 0x7fff, false, 1, M68K_VARIANT },
+    { false, 0x7fff, false, 0x100000000ULL, M68K_VARIANT },
+    { true, 0x7fff, false, 0x100000000ULL, M68K_VARIANT },
+  };
+
+static int
+do_test (void)
+{
+  int result = 0;
+
+  for (size_t i = 0; i < sizeof (tests) / sizeof (tests[0]); i++)
+    {
+      long double ld;
+      SET_LDOUBLE_WORDS (ld, tests[i].exponent | (tests[i].sign << 15),
+			 (tests[i].mantissa >> 32) | (tests[i].high << 31),
+			 tests[i].mantissa & 0xffffffffULL);
+      bool canonical = iscanonical (ld);
+      if (canonical == tests[i].canonical)
+	printf ("PASS: test %zu\n", i);
+      else
+	{
+	  printf ("FAIL: test %zu\n", i);
+	  result = 1;
+	}
+    }
+
+  return result;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"