1 files changed, 68 insertions, 0 deletions
diff --git a/contrib/gdtoa/test/getround.c b/contrib/gdtoa/test/getround.c
new file mode 100644
index 0000000..ec1ca11
--- /dev/null
+++ b/contrib/gdtoa/test/getround.c
@@ -0,0 +1,68 @@
+/****************************************************************
+
+The author of this software is David M. Gay.
+
+Copyright (C) 1998 by Lucent Technologies
+All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and
+its documentation for any purpose and without fee is hereby
+granted, provided that the above copyright notice appear in all
+copies and that both that the copyright notice and this
+permission notice and warranty disclaimer appear in supporting
+documentation, and that the name of Lucent or any of its entities
+not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+LUCENT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
+IN NO EVENT SHALL LUCENT OR ANY OF ITS ENTITIES BE LIABLE FOR ANY
+SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER
+IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
+THIS SOFTWARE.
+
+****************************************************************/
+
+/* Please send bug reports to
+	David M. Gay
+	Bell Laboratories, Room 2C-463
+	600 Mountain Avenue
+	Murray Hill, NJ 07974-0636
+	U.S.A.
+	dmg@bell-labs.com
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+static char *dir[4] = { "toward zero", "nearest", "toward +Infinity",
+			"toward -Infinity" };
+
+ int
+#ifdef KR_headers
+getround(r, s) int r; char *s;
+#else
+getround(int r, char *s)
+#endif
+{
+	int i;
+
+	i = atoi(s+1);
+	if (i >= 0 && i < 4) {
+		printf("Rounding mode for strtor... ");
+		if (i == r)
+			printf("was and is %d (%s)\n", i, dir[i]);
+		else
+			printf("changed from %d (%s) to %d (%s)\n",
+				r, dir[r], i, dir[i]);
+		return i;
+		}
+	printf("Bad rounding direction %d: choose among\n", i);
+	for(i = 0; i < 4; i++)
+		printf("\t%d (%s)\n", i, dir[i]);
+	printf("Leaving rounding mode for strtor... at %d (%s)\n", r, dir[r]);
+	return r;
+	}