Restoring infinity testing

src/main/java/AlignmentCorrection.java

@@ -334,6 +334,10 @@ public class AlignmentCorrection {
 				debugLevel);
 		if (debugLevel > -1){
 			System.out.println("infinityCorrection(): coefficient increments from infinityMismatchCorrection");
+			if (mismatch_corr_coefficients == null) { // non-null only for poly !
+				System.out.println("imismatch_corr_coefficients == null");
+				return mismatch_corr_coefficients;
+			}
 			show_fine_corr(
 					mismatch_corr_coefficients, // double [][][] corr,
 					"");// String prefix)

src/main/java/QuadCLT.java

@@ -4315,12 +4315,13 @@ public class QuadCLT {
 				  show_fine_corr( this.fine_corr, "  was");
 			  }
 		  }
-		  if (debugLevel > 1){
+		  if (corr==null) {
+			  System.out.println("New correction is null (only non-null for poly, not for infinity");
+			  return;
+		  } else {
 			  if (debugLevel > 1){
 				  show_fine_corr(corr, "added");
 			  }
-		  }
-
 			  for (int n = 0; n< corr.length; n++){
 				  for (int i = 0; i< corr[n].length; i++){
 					  for (int j = 0; j< corr[n][i].length; j++){
@@ -4332,6 +4333,7 @@ public class QuadCLT {
 				  show_fine_corr( this.fine_corr, "");
 			  }
 		  }
+	  }
 	  public void show_fine_corr()
 	  {
 		  show_fine_corr( this.fine_corr, "");