Add regression test for soon-to-be-committed fpclassify().

svn path=/head/; revision=110405

tools/regression/lib/libc/gen/Makefile

@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-TESTS=	test-wordexp
+TESTS=	test-fpclassify test-wordexp
 
 .PHONY: tests
 tests: ${TESTS}

tools/regression/lib/libc/gen/test-fpclassify.c

@@ -0,0 +1,69 @@
+/*-
+ * 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <assert.h>
+#include <math.h>
+#include <stdlib.h>
+
+int
+main(void)
+{
+
+	assert(fpclassify((float)0) == FP_ZERO);
+	assert(fpclassify((float)-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
+	assert(fpclassify(HUGE_VALF) == 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
+	assert(fpclassify(HUGE_VAL) == FP_INFINITE);
+	assert(fpclassify((double)NAN) == FP_NAN);
+
+	assert(fpclassify((long double)0) == FP_ZERO);
+	assert(fpclassify((long double)-0) == FP_ZERO);
+	assert(fpclassify((long double)1) == FP_NORMAL);
+	assert(fpclassify((long double)1000) == FP_NORMAL);
+#ifndef __alpha__
+	assert(fpclassify(0x1.2p-16383L) == FP_SUBNORMAL);
+#endif
+	assert(fpclassify(HUGE_VALL) == FP_INFINITE);
+	assert(fpclassify((long double)NAN) == FP_NAN);
+
+	printf("PASS fpclassify()\n");
+	exit(0);
+}