Merge remote-tracking branch 'origin/stable/10' into devel

1 files changed, 115 insertions, 0 deletions

diff --git a/lib/msun/tests/lround_test.c b/lib/msun/tests/lround_test.c
new file mode 100644
index 0000000..2a37367
--- /dev/null
+++ b/lib/msun/tests/lround_test.c
@@ -0,0 +1,115 @@
+/*-
+ * Copyright (c) 2005 David Schultz <das@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.
+ */
+
+/*
+ * Test for lround(), lroundf(), llround(), and llroundf().
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <assert.h>
+#include <fenv.h>
+#include <limits.h>
+#include <math.h>
+#include <stdio.h>
+
+/*
+ * XXX The volatile here is to avoid gcc's bogus constant folding and work
+ *     around the lack of support for the FENV_ACCESS pragma.
+ */
+#define	test(func, x, result, excepts)	do {				\
+	volatile double _d = x;						\
+	assert(feclearexcept(FE_ALL_EXCEPT) == 0);			\
+	assert((func)(_d) == (result) || fetestexcept(FE_INVALID));	\
+	assert(fetestexcept(FE_ALL_EXCEPT) == (excepts));		\
+} while (0)
+
+#define	testall(x, result, excepts)	do {				\
+	test(lround, x, result, excepts);				\
+	test(lroundf, x, result, excepts);				\
+	test(llround, x, result, excepts);				\
+	test(llroundf, x, result, excepts);				\
+} while (0)
+
+#define	IGNORE	0
+
+#pragma STDC FENV_ACCESS ON
+
+int
+main(int argc, char *argv[])
+{
+
+	printf("1..1\n");
+
+	testall(0.0, 0, 0);
+	testall(0.25, 0, FE_INEXACT);
+	testall(0.5, 1, FE_INEXACT);
+	testall(-0.5, -1, FE_INEXACT);
+	testall(1.0, 1, 0);
+	testall(0x12345000p0, 0x12345000, 0);
+	testall(0x1234.fp0, 0x1235, FE_INEXACT);
+	testall(INFINITY, IGNORE, FE_INVALID);
+	testall(NAN, IGNORE, FE_INVALID);
+
+#if (LONG_MAX == 0x7fffffffl)
+	test(lround, 0x7fffffff.8p0, IGNORE, FE_INVALID);
+	test(lround, -0x80000000.8p0, IGNORE, FE_INVALID);
+	test(lround, 0x80000000.0p0, IGNORE, FE_INVALID);
+	test(lround, 0x7fffffff.4p0, 0x7fffffffl, FE_INEXACT);
+	test(lround, -0x80000000.4p0, -0x80000000l, FE_INEXACT);
+	test(lroundf, 0x80000000.0p0f, IGNORE, FE_INVALID);
+	test(lroundf, 0x7fffff80.0p0f, 0x7fffff80l, 0);
+#elif (LONG_MAX == 0x7fffffffffffffffll)
+	test(lround, 0x8000000000000000.0p0, IGNORE, FE_INVALID);
+	test(lroundf, 0x8000000000000000.0p0f, IGNORE, FE_INVALID);
+	test(lround, 0x7ffffffffffffc00.0p0, 0x7ffffffffffffc00l, 0);
+	test(lroundf, 0x7fffff8000000000.0p0f, 0x7fffff8000000000l, 0);
+	test(lround, -0x8000000000000800.0p0, IGNORE, FE_INVALID);
+	test(lroundf, -0x8000010000000000.0p0f, IGNORE, FE_INVALID);
+	test(lround, -0x8000000000000000.0p0, -0x8000000000000000l, 0);
+	test(lroundf, -0x8000000000000000.0p0f, -0x8000000000000000l, 0);
+#else
+#error "Unsupported long size"
+#endif
+
+#if (LLONG_MAX == 0x7fffffffffffffffLL)
+	test(llround, 0x8000000000000000.0p0, IGNORE, FE_INVALID);
+	test(llroundf, 0x8000000000000000.0p0f, IGNORE, FE_INVALID);
+	test(llround, 0x7ffffffffffffc00.0p0, 0x7ffffffffffffc00ll, 0);
+	test(llroundf, 0x7fffff8000000000.0p0f, 0x7fffff8000000000ll, 0);
+	test(llround, -0x8000000000000800.0p0, IGNORE, FE_INVALID);
+	test(llroundf, -0x8000010000000000.0p0f, IGNORE, FE_INVALID);
+	test(llround, -0x8000000000000000.0p0, -0x8000000000000000ll, 0);
+	test(llroundf, -0x8000000000000000.0p0f, -0x8000000000000000ll, 0);
+#else
+#error "Unsupported long long size"
+#endif
+
+	printf("ok 1 - lround\n");
+
+	return (0);
+}