fix minor bug (#1274)

Author: EvenSol

src/main/java/neqsim/thermo/util/readwrite/EclipseFluidReadWrite.java

@@ -659,13 +659,15 @@ public static SystemInterface read(String inputFile, String[] fluidNames) {
 
           // Then, to replicate the original kij,
           // we just pick the old kij[baseIndexI][baseIndexJ].
+          // System.out.println("i: " + i + " j: " + j);
+          // System.out.println("baseIndexI: " + baseIndexI + " baseIndexJ: " + baseIndexJ);
           double kijVal = kij[baseIndexI][baseIndexJ];
 
           // Finally set it in the fluid
 
           for (int phaseNum = 0; phaseNum < fluid.getMaxNumberOfPhases(); phaseNum++) {
             ((PhaseEosInterface) fluid.getPhase(phaseNum)).getEosMixingRule()
-                .setBinaryInteractionParameter(i, j, kij[i][j].doubleValue());
+                .setBinaryInteractionParameter(i, j, kijVal);
             ((PhaseEosInterface) fluid.getPhase(phaseNum)).getEosMixingRule()
                 .setBinaryInteractionParameter(j, i, kijVal);
           }

src/test/java/neqsim/thermo/util/Leachman/LeachmanTest.java src/test/java/neqsim/thermo/util/leachman/LeachmanTest.java

@@ -1,4 +1,4 @@
-package neqsim.thermo.util.Leachman;
+package neqsim.thermo.util.leachman;
 
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertTrue;
@@ -7,7 +7,6 @@
 import org.netlib.util.StringW;
 import org.netlib.util.doubleW;
 import org.netlib.util.intW;
-import neqsim.thermo.util.leachman.Leachman;
 
 public class LeachmanTest {
   private Leachman Leachman;

src/test/java/neqsim/thermo/util/readwrite/EclipseFluidReadWriteTest.java

@@ -118,7 +118,12 @@ void testSetAllocationComposition() throws IOException {
 
     double x_methane_A19 = testSystem.getPhase(1).getComponent("methane_A19").getx();
     assertEquals(0.0, x_methane_A13, 1e-9);
-    assertEquals(0.004620472627047, x_methane_A19, 1e-9);
+    assertEquals(0.0046202437, x_methane_A19, 1e-9);
+
+    // double[][] interactionParams =
+    // ((PhaseEos) testSystem.getPhase(0)).getMixingRule().getBinaryInteractionParameters();
+
+    // System.out.println(Arrays.deepToString(interactionParams));
 
   }