summaryrefslogtreecommitdiff
path: root/java/math/RoundingMode.java
diff options
context:
space:
mode:
Diffstat (limited to 'java/math/RoundingMode.java')
-rw-r--r--java/math/RoundingMode.java89
1 files changed, 89 insertions, 0 deletions
diff --git a/java/math/RoundingMode.java b/java/math/RoundingMode.java
new file mode 100644
index 000000000..c85bf4ff5
--- /dev/null
+++ b/java/math/RoundingMode.java
@@ -0,0 +1,89 @@
+/* RoundingMode.java -- An Enum to replace BigDecimal rounding constants.
+ Copyright (C) 1999, 2000, 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.math;
+
+/**
+ * An enum to specify rounding behaviour for numerical operations that may
+ * discard precision.
+ * @author Anthony Balkissoon abalkiss at redhat dot com
+ *
+ */
+public enum RoundingMode
+{
+ UP, DOWN, CEILING, FLOOR, HALF_UP, HALF_DOWN, HALF_EVEN, UNNECESSARY;
+
+ /**
+ * For compatability with Sun's JDK
+ */
+ private static final long serialVersionUID = 432302042773881265L;
+
+ /**
+ * Returns the RoundingMode object corresponding to the legacy rounding modes
+ * in BigDecimal.
+ * @param rm the legacy rounding mode
+ * @return the corresponding RoundingMode
+ */
+ public static RoundingMode valueOf(int rm)
+ {
+ switch (rm)
+ {
+ case BigDecimal.ROUND_CEILING:
+ return CEILING;
+ case BigDecimal.ROUND_FLOOR:
+ return FLOOR;
+ case BigDecimal.ROUND_DOWN:
+ return DOWN;
+ case BigDecimal.ROUND_UP:
+ return UP;
+ case BigDecimal.ROUND_HALF_UP:
+ return HALF_UP;
+ case BigDecimal.ROUND_HALF_DOWN:
+ return HALF_DOWN;
+ case BigDecimal.ROUND_HALF_EVEN:
+ return HALF_EVEN;
+ case BigDecimal.ROUND_UNNECESSARY:
+ return UNNECESSARY;
+ default:
+ throw new
+ IllegalArgumentException("invalid argument: " + rm +
+ ". Argument should be one of the " +
+ "rounding modes defined in BigDecimal.");
+ }
+ }
+}