1 files changed, 76 insertions, 0 deletions

diff --git a/src/regress/lib/libc/fpclassify/fpclassify.c b/src/regress/lib/libc/fpclassify/fpclassify.c
new file mode 100644
index 0000000000..174c04d983
--- /dev/null
+++ b/src/regress/lib/libc/fpclassify/fpclassify.c
@@ -0,0 +1,76 @@
+/*      $OpenBSD: fpclassify.c,v 1.1 2008/09/07 20:36:10 martynas Exp $ */
+/*-
+ * Copyright (c) 2003 Mike Barcroft <mike@FreeBSD.org>
+ * 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 AUTHOR 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 AUTHOR 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.
+ *
+ * $FreeBSD: src/tools/regression/lib/libc/gen/test-fpclassify.c,v 1.3 2003/03/27 05:32:28 das Exp $
+ */
+
+#include <assert.h>
+#include <float.h>
+#include <math.h>
+#include <stdlib.h>
+
+int
+main(void)
+{
+
+        assert(fpclassify((float)0) == FP_ZERO);
+        assert(fpclassify((float)-0.0) == FP_ZERO);
+        assert(fpclassify((float)1) == FP_NORMAL);
+        assert(fpclassify((float)1000) == FP_NORMAL);
+#ifndef __alpha__
+        assert(fpclassify(0x1.2p-150f) == FP_SUBNORMAL);
+#endif /* !__alpha__ */
+        assert(fpclassify(HUGE_VALF) == FP_INFINITE);
+        assert(fpclassify((float)HUGE_VAL) == FP_INFINITE);
+        assert(fpclassify((float)HUGE_VALL) == FP_INFINITE);
+        assert(fpclassify(NAN) == FP_NAN);
+
+        assert(fpclassify((double)0) == FP_ZERO);
+        assert(fpclassify((double)-0) == FP_ZERO);
+        assert(fpclassify((double)1) == FP_NORMAL);
+        assert(fpclassify((double)1000) == FP_NORMAL);
+#ifndef __alpha__
+        assert(fpclassify(0x1.2p-1075) == FP_SUBNORMAL);
+#endif /* !__alpha__ */
+        assert(fpclassify(HUGE_VAL) == FP_INFINITE);
+        assert(fpclassify((double)HUGE_VALF) == FP_INFINITE);
+        assert(fpclassify((double)HUGE_VALL) == FP_INFINITE);
+        assert(fpclassify((double)NAN) == FP_NAN);
+
+        assert(fpclassify((long double)0) == FP_ZERO);
+        assert(fpclassify((long double)-0.0) == FP_ZERO);
+        assert(fpclassify((long double)1) == FP_NORMAL);
+        assert(fpclassify((long double)1000) == FP_NORMAL);
+#if (LDBL_MANT_DIG > DBL_MANT_DIG)
+        assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL);
+#endif /* (LDBL_MANT_DIG > DBL_MANT_DIG) */
+        assert(fpclassify(HUGE_VALL) == FP_INFINITE);
+        assert(fpclassify((long double)HUGE_VALF) == FP_INFINITE);
+        assert(fpclassify((long double)HUGE_VAL) == FP_INFINITE);
+        assert(fpclassify((long double)NAN) == FP_NAN);
+
+        return (0);
+}