1 files changed, 75 insertions, 0 deletions
diff --git a/ext/fputils/tests/fp80_cvtd.c b/ext/fputils/tests/fp80_cvtd.c
new file mode 100644
index 000000000..425a5c44a
--- /dev/null
+++ b/ext/fputils/tests/fp80_cvtd.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2013, Andreas Sandberg
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <fputils/fp80.h>
+
+#include "test_helper.h"
+
+#include <math.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+static void
+test_fp80_cvtd_class(const char *name, fp80_t fin, int class)
+{
+    double d = fp80_cvtd(fin);
+    if (fpclassify(d) != class) {
+        test_diag("wrong class");
+        test_fail(name);
+    } else {
+        test_ok(name);
+    }
+}
+
+static void
+test_fp80_cvtd_inf(const char *name, fp80_t fin, int inf_class)
+{
+    double d = fp80_cvtd(fin);
+    if (isinf(d) != inf_class) {
+        test_diag("wrong infinity type");
+        test_fail(name);
+    } else {
+        test_ok(name);
+    }
+}
+
+int
+main(int argc, char *argv[])
+{
+    test_init(6);
+
+    test_fp80_cvtd_inf("fp80->double +inf", fp80_pinf, 1);
+    test_fp80_cvtd_inf("fp80->double -inf", fp80_ninf, -1);
+    test_fp80_cvtd_class("fp80->double qnan", fp80_qnan, FP_NAN);
+    test_fp80_cvtd_class("fp80->double qnani", fp80_qnani, FP_NAN);
+    test_fp80_cvtd_class("fp80->double snan", fp80_snan, FP_NAN);
+    test_fp80_cvtd_class("fp80->double nan", fp80_nan, FP_NAN);
+
+    test_exit();
+}