feat: fix typo and package name (#834)

* feat: fix typo and package name
* test: added main function as test

src/main/java/neqsim/statistics/dataAnalysis/dataSmoothing/DataSmoothor.java → src/main/java/neqsim/statistics/dataAnalysis/dataSmoothing/DataSmoother.java

@@ -1,10 +1,10 @@
 /*
- * DataSmoothor.java
+ * DataSmoother.java
  *
  * Created on 31. januar 2001, 21:27
  */
 
-package neqsim.statistics.dataAnalysis.dataSmoothing;
+package neqsim.statistics.dataanalysis.datasmoothing;
 
 import Jama.Matrix;
 
@@ -16,20 +16,22 @@
  * @author Even Solbraa
  * @version $Id: $Id
  */
-public class DataSmoothor {
-  double[] nonSmoothedNumbers, smoothedNumbers, cCoef;
-  int nl = 0, nr = 0, ld = 0, m = 0, mm = 0, imj = 0, kk = 0;
+public class DataSmoother {
+  double[] nonSmoothedNumbers;
+  double[] smoothedNumbers;
+  double[] cCoef;
+  int nl = 0;
+  int nr = 0;
+  int ld = 0;
+  int m = 0;
+  int mm = 0;
+  int imj = 0;
+  int kk = 0;
   int[] index;
   double[][] a;
   double[] b;
-  double sum = 0, fac = 0;
-
-  /**
-   * <p>
-   * Constructor for DataSmoothor.
-   * </p>
-   */
-  public DataSmoothor() {}
+  double sum = 0;
+  double fac = 0;
 
   /**
    * <p>
@@ -42,7 +44,7 @@ public DataSmoothor() {}
    * @param ld a int
    * @param m a int
    */
-  public DataSmoothor(double[] nonSmoothedNumbers, int nl, int nr, int ld, int m) {
+  public DataSmoother(double[] nonSmoothedNumbers, int nl, int nr, int ld, int m) {
     this.nonSmoothedNumbers = new double[nonSmoothedNumbers.length];
     this.smoothedNumbers = new double[nonSmoothedNumbers.length];
     this.cCoef = new double[nonSmoothedNumbers.length];
@@ -157,21 +159,4 @@ public void setSmoothedNumbers() {
   public double[] getSmoothedNumbers() {
     return smoothedNumbers;
   }
-
-  /**
-   * <p>
-   * main.
-   * </p>
-   *
-   * @param args an array of {@link java.lang.String} objects
-   */
-  public static void main(String args[]) {
-    double[] numbers = {10, 11, 12, 13, 14, 15, 15.5, 15, 19, 14, 14, 13, 12, 12, 11, 10, 9, 8};
-    DataSmoothor test = new DataSmoothor(numbers, 3, 3, 0, 4);
-    Matrix data = new Matrix(test.getSmoothedNumbers(), 1);
-    data.print(10, 2);
-    test.runSmoothing();
-    data = new Matrix(test.getSmoothedNumbers(), 1);
-    data.print(10, 2);
-  }
 }

src/main/java/neqsim/statistics/experimentalSampleCreation/sampleCreator/wettedWallColumnSampleCreator/WettedWallColumnSampleCreator.java

@@ -7,7 +7,7 @@
 package neqsim.statistics.experimentalSampleCreation.sampleCreator.wettedWallColumnSampleCreator;
 
 import Jama.Matrix;
-import neqsim.statistics.dataAnalysis.dataSmoothing.DataSmoothor;
+import neqsim.statistics.dataanalysis.datasmoothing.DataSmoother;
 import neqsim.statistics.experimentalEquipmentData.ExperimentalEquipmentData;
 import neqsim.statistics.experimentalEquipmentData.wettedWallColumnData.WettedWallColumnData;
 import neqsim.statistics.experimentalSampleCreation.readDataFromFile.wettedWallColumnReader.WettedWallColumnDataObject;
@@ -26,7 +26,6 @@
  */
 public class WettedWallColumnSampleCreator extends SampleCreator {
   WettedWallDataReader reader;
-  DataSmoothor smoothor;
   double[] time;
   double[] pressure;
   double[] inletLiquidTemperature;
@@ -115,33 +114,33 @@ public void smoothData() {
     Matrix data = new Matrix(pressure, 1);
     data.print(10, 2);
 
-    smoothor = new DataSmoothor(pressure, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedPressure = smoothor.getSmoothedNumbers();
+    DataSmoother smoother = new DataSmoother(pressure, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedPressure = smoother.getSmoothedNumbers();
 
-    smoothor = new DataSmoothor(inletLiquidTemperature, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedInletLiquidTemperature = smoothor.getSmoothedNumbers();
+    smoother = new DataSmoother(inletLiquidTemperature, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedInletLiquidTemperature = smoother.getSmoothedNumbers();
 
-    smoothor = new DataSmoothor(outletLiquidTemperature, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedOutletLiquidTemperature = smoothor.getSmoothedNumbers();
+    smoother = new DataSmoother(outletLiquidTemperature, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedOutletLiquidTemperature = smoother.getSmoothedNumbers();
 
-    smoothor = new DataSmoothor(columnWallTemperature, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedColumnWallTemperature = smoothor.getSmoothedNumbers();
+    smoother = new DataSmoother(columnWallTemperature, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedColumnWallTemperature = smoother.getSmoothedNumbers();
 
-    smoothor = new DataSmoothor(inletTotalGasFlowRate, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedInletTotalGasFlowRate = smoothor.getSmoothedNumbers();
+    smoother = new DataSmoother(inletTotalGasFlowRate, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedInletTotalGasFlowRate = smoother.getSmoothedNumbers();
 
-    smoothor = new DataSmoothor(co2SupplyRate, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedCo2SupplyRate = smoothor.getSmoothedNumbers();
+    smoother = new DataSmoother(co2SupplyRate, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedCo2SupplyRate = smoother.getSmoothedNumbers();
 
-    smoothor = new DataSmoothor(inletLiquidFlowRate, 10, 10, 0, 2);
-    smoothor.runSmoothing();
-    smoothedInletLiquidFlowRate = smoothor.getSmoothedNumbers();
+    smoother = new DataSmoother(inletLiquidFlowRate, 10, 10, 0, 2);
+    smoother.runSmoothing();
+    smoothedInletLiquidFlowRate = smoother.getSmoothedNumbers();
 
     data = new Matrix(smoothedPressure, 1);
     data.print(10, 2);

src/test/java/neqsim/statistics/dataanalysis/datasmoothing/DataSmootherTest.java

@@ -0,0 +1,21 @@
+package neqsim.statistics.dataanalysis.datasmoothing;
+
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+public class DataSmootherTest {
+
+  @Test
+  void testgetSmoothedNumbers() {
+    double[] numbers = {10, 11, 12, 13, 14, 15, 15.5, 15, 19, 14, 14, 13, 12, 12, 11, 10, 9, 8};
+    DataSmoother test = new DataSmoother(numbers, 3, 3, 0, 4);
+    Assertions.assertArrayEquals(numbers, test.getSmoothedNumbers());
+
+    double[] expected = {10.000000, 11.000000, 12.000000, 12.567099567099579, 13.567099567099582,
+        14.556277056277072, 15.305194805194823, 15.389610389610409, 16.66233766233768,
+        17.149350649350666, 13.350649350649375, 13.627705627705646, 12.432900432900452,
+        11.89177489177491, 11.541125541125552, 10.000000, 9.000000, 8.000000};
+    test.runSmoothing();
+    Assertions.assertArrayEquals(expected, test.getSmoothedNumbers());
+  }
+}