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Sonar fix: Replace x != x with Double.isNaN

This commit is contained in:
Alex Herbert 2021-08-18 18:30:53 +01:00
parent e97c3288a5
commit f6fe96b23f
2 changed files with 2 additions and 2 deletions
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2
commons-math-legacy-core/src/main/java/org/apache/commons/math4/legacy/core/dfp/Dfp.java
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@ -288,7 +288,7 @@ public class Dfp implements RealFieldElement<Dfp> {
if (exponent == 1024) { if (exponent == 1024) {
// infinity or NAN // infinity or NAN
if (x != x) { if (Double.isNaN(x)) {
sign = (byte) 1; sign = (byte) 1;
nans = QNAN; nans = QNAN;
} else if (x < 0) { } else if (x < 0) {

2
commons-math-legacy-core/src/main/java/org/apache/commons/math4/legacy/core/jdkmath/AccurateMathCalc.java
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@ -636,7 +636,7 @@ final class AccurateMathCalc {
* @return formatted number * @return formatted number
*/ */
static String format(double d) { static String format(double d) {
if (d != d) { if (Double.isNaN(d)) {
return "Double.NaN,"; return "Double.NaN,";
} else { } else {
return ((d >= 0) ? "+" : "") + Double.toString(d) + "d,"; return ((d >= 0) ? "+" : "") + Double.toString(d) + "d,";