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Posted to commits@commons.apache.org by er...@apache.org on 2018/05/19 15:13:53 UTC
[25/28] commons-numbers git commit: Add methods.
Add methods.
Project: http://git-wip-us.apache.org/repos/asf/commons-numbers/repo
Commit: http://git-wip-us.apache.org/repos/asf/commons-numbers/commit/7c8dc8ff
Tree: http://git-wip-us.apache.org/repos/asf/commons-numbers/tree/7c8dc8ff
Diff: http://git-wip-us.apache.org/repos/asf/commons-numbers/diff/7c8dc8ff
Branch: refs/heads/master
Commit: 7c8dc8ff351c76dd88231387c6db069cb4b9d000
Parents: 27115fd
Author: Gilles Sadowski <gi...@harfang.homelinux.org>
Authored: Sat May 19 16:57:41 2018 +0200
Committer: Gilles Sadowski <gi...@harfang.homelinux.org>
Committed: Sat May 19 16:57:41 2018 +0200
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.../org/apache/commons/numbers/field/FP64.java | 26 ++++++++++++++++++++
1 file changed, 26 insertions(+)
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http://git-wip-us.apache.org/repos/asf/commons-numbers/blob/7c8dc8ff/commons-numbers-field/src/main/java/org/apache/commons/numbers/field/FP64.java
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diff --git a/commons-numbers-field/src/main/java/org/apache/commons/numbers/field/FP64.java b/commons-numbers-field/src/main/java/org/apache/commons/numbers/field/FP64.java
index 19ab4b1..e482b64 100644
--- a/commons-numbers-field/src/main/java/org/apache/commons/numbers/field/FP64.java
+++ b/commons-numbers-field/src/main/java/org/apache/commons/numbers/field/FP64.java
@@ -26,6 +26,10 @@ import org.apache.commons.numbers.core.Precision;
public class FP64 extends Number
implements NativeOperators<FP64>,
Comparable<FP64> {
+ /** Additive neutral. */
+ private static final FP64 ZERO = new FP64(0);
+ /** Multiplicative neutral. */
+ private static final FP64 ONE = new FP64(1);
/** Value. */
private final double value;
@@ -80,6 +84,16 @@ public class FP64 extends Number
/** {@inheritDoc} */
@Override
+ public FP64 pow(int n) {
+ if (n == 0) {
+ return ONE;
+ }
+
+ return new FP64(Math.pow(value, n));
+ }
+
+ /** {@inheritDoc} */
+ @Override
public boolean equals(Object other) {
if (other instanceof FP64) {
final FP64 o = (FP64) other;
@@ -131,4 +145,16 @@ public class FP64 extends Number
public int compareTo(FP64 other) {
return Double.compare(value, other.value);
}
+
+ /** {@inheritDoc} */
+ @Override
+ public FP64 zero() {
+ return ZERO;
+ }
+
+ /** {@inheritDoc} */
+ @Override
+ public FP64 one() {
+ return ONE;
+ }
}