Apache
/
commons-math
mirror of https://github.com/apache/commons-math.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

MATH-1089 

Slightly simpler implementation.


git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@1559067 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Gilles Sadowski 2014-01-17 10:53:00 +00:00
parent e91d0f0510
commit 145cc675d3
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/main/java/org/apache/commons/math3/util/Precision.java
View File

@ -60,6 +60,8 @@ public class Precision {
private static final long SGN_MASK = 0x8000000000000000L;
/** Offset to order signed double numbers lexicographically. */
private static final int SGN_MASK_FLOAT = 0x80000000;
/** Positive zero. */
private static final double POSITIVE_ZERO = 0d;
static {
/*
@ -396,7 +398,7 @@ public class Precision {
.setScale(scale, roundingMethod))
.doubleValue();
// MATH-1089: negative values rounded to zero should result in negative zero
return rounded == 0.0 ? rounded * FastMath.copySign(1d, x) : rounded;
return rounded == POSITIVE_ZERO ? POSITIVE_ZERO * x : rounded;
} catch (NumberFormatException ex) {
if (Double.isInfinite(x)) {
return x;