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ggregory pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/commons-math.git
The following commit(s) were added to refs/heads/master by this push:
new 8f949ae Use isEmpty().
new b7dd3fd Merge branch 'master' of
https://gitbox.apache.org/repos/asf/commons-math.git
8f949ae is described below
commit 8f949ae86a65b2c0999dfa83b81a2cb7be4c1145
Author: Gary Gregory <[email protected]>
AuthorDate: Sat Jan 16 21:37:02 2021 -0500
Use isEmpty().
---
.../org/apache/commons/math4/ode/ContinuousOutputFieldModel.java | 6 +++---
.../java/org/apache/commons/math4/ode/ContinuousOutputModel.java | 6 +++---
.../java/org/apache/commons/math4/optim/linear/SimplexSolver.java | 2 +-
.../java/org/apache/commons/math4/stat/ranking/NaturalRanking.java | 2 +-
.../apache/commons/math4/fitting/WeightedObservedPointsTest.java | 4 ++--
5 files changed, 10 insertions(+), 10 deletions(-)
diff --git
a/src/main/java/org/apache/commons/math4/ode/ContinuousOutputFieldModel.java
b/src/main/java/org/apache/commons/math4/ode/ContinuousOutputFieldModel.java
index c2caecd..9863e32 100644
--- a/src/main/java/org/apache/commons/math4/ode/ContinuousOutputFieldModel.java
+++ b/src/main/java/org/apache/commons/math4/ode/ContinuousOutputFieldModel.java
@@ -120,11 +120,11 @@ public class ContinuousOutputFieldModel<T extends
RealFieldElement<T>>
public void append(final ContinuousOutputFieldModel<T> model)
throws MathIllegalArgumentException, MaxCountExceededException {
- if (model.steps.size() == 0) {
+ if (model.steps.isEmpty()) {
return;
}
- if (steps.size() == 0) {
+ if (steps.isEmpty()) {
initialTime = model.initialTime;
forward = model.forward;
} else {
@@ -195,7 +195,7 @@ public class ContinuousOutputFieldModel<T extends
RealFieldElement<T>>
public void handleStep(final FieldStepInterpolator<T> interpolator, final
boolean isLast)
throws MaxCountExceededException {
- if (steps.size() == 0) {
+ if (steps.isEmpty()) {
initialTime = interpolator.getPreviousState().getTime();
forward = interpolator.isForward();
}
diff --git
a/src/main/java/org/apache/commons/math4/ode/ContinuousOutputModel.java
b/src/main/java/org/apache/commons/math4/ode/ContinuousOutputModel.java
index d89b700..c3589a8 100644
--- a/src/main/java/org/apache/commons/math4/ode/ContinuousOutputModel.java
+++ b/src/main/java/org/apache/commons/math4/ode/ContinuousOutputModel.java
@@ -129,11 +129,11 @@ public class ContinuousOutputModel
public void append(final ContinuousOutputModel model)
throws MathIllegalArgumentException, MaxCountExceededException {
- if (model.steps.size() == 0) {
+ if (model.steps.isEmpty()) {
return;
}
- if (steps.size() == 0) {
+ if (steps.isEmpty()) {
initialTime = model.initialTime;
forward = model.forward;
} else {
@@ -190,7 +190,7 @@ public class ContinuousOutputModel
public void handleStep(final StepInterpolator interpolator, final boolean
isLast)
throws MaxCountExceededException {
- if (steps.size() == 0) {
+ if (steps.isEmpty()) {
initialTime = interpolator.getPreviousTime();
forward = interpolator.isForward();
}
diff --git
a/src/main/java/org/apache/commons/math4/optim/linear/SimplexSolver.java
b/src/main/java/org/apache/commons/math4/optim/linear/SimplexSolver.java
index ae8eb8c..d762bd8 100644
--- a/src/main/java/org/apache/commons/math4/optim/linear/SimplexSolver.java
+++ b/src/main/java/org/apache/commons/math4/optim/linear/SimplexSolver.java
@@ -270,7 +270,7 @@ public class SimplexSolver extends LinearOptimizer {
}
}
- if (minRatioPositions.size() == 0) {
+ if (minRatioPositions.isEmpty()) {
return null;
} else if (minRatioPositions.size() > 1) {
// there's a degeneracy as indicated by a tie in the minimum ratio
test
diff --git
a/src/main/java/org/apache/commons/math4/stat/ranking/NaturalRanking.java
b/src/main/java/org/apache/commons/math4/stat/ranking/NaturalRanking.java
index 4d55867..cb07ad5 100644
--- a/src/main/java/org/apache/commons/math4/stat/ranking/NaturalRanking.java
+++ b/src/main/java/org/apache/commons/math4/stat/ranking/NaturalRanking.java
@@ -395,7 +395,7 @@ public class NaturalRanking implements RankingAlgorithm {
* @param nanPositions list of index values to set to
<code>Double.NaN</code>
*/
private void restoreNaNs(double[] ranks, List<Integer> nanPositions) {
- if (nanPositions.size() == 0) {
+ if (nanPositions.isEmpty()) {
return;
}
Iterator<Integer> iterator = nanPositions.iterator();
diff --git
a/src/test/java/org/apache/commons/math4/fitting/WeightedObservedPointsTest.java
b/src/test/java/org/apache/commons/math4/fitting/WeightedObservedPointsTest.java
index ea0e9c8..186d0e5 100644
---
a/src/test/java/org/apache/commons/math4/fitting/WeightedObservedPointsTest.java
+++
b/src/test/java/org/apache/commons/math4/fitting/WeightedObservedPointsTest.java
@@ -74,7 +74,7 @@ public class WeightedObservedPointsTest {
Assert.assertTrue(store.toList().size() == 2);
store.clear();
- Assert.assertTrue(store.toList().size() == 0);
+ Assert.assertTrue(store.toList().isEmpty());
}
// Ensure that an instance returned by "toList()" is independent from
@@ -95,7 +95,7 @@ public class WeightedObservedPointsTest {
// Clearing "store" has no impact on "list".
store.clear();
- Assert.assertFalse(list.size() == 0);
+ Assert.assertFalse(list.isEmpty());
}
/**
