1 files changed, 0 insertions, 50 deletions
diff --git a/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/rule/TruthOperator.java b/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/rule/TruthOperator.java
deleted file mode 100644
index fc259867923..00000000000
--- a/searchlib/src/main/java/com/yahoo/searchlib/rankingexpression/rule/TruthOperator.java
+++ /dev/null
@@ -1,50 +0,0 @@
-// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
-package com.yahoo.searchlib.rankingexpression.rule;
-
-import java.io.Serializable;
-
-/**
- * A mathematical operator
- *
- * @author bratseth
- */
-public enum TruthOperator  implements Serializable {
-
-    SMALLER("<")   { public boolean evaluate(double x, double y) { return x<y; } },
-    SMALLEREQUAL("<=")  { public boolean evaluate(double x, double y) { return x<=y; } },
-    EQUAL("==")  { public boolean evaluate(double x, double y) { return x==y; } },
-    APPROX_EQUAL("~=") { public boolean evaluate(double x, double y) { return approxEqual(x,y); } },
-    LARGER(">")   { public boolean evaluate(double x, double y) { return x>y; } },
-    LARGEREQUAL(">=")  { public boolean evaluate(double x, double y) { return x>=y; } },
-    NOTEQUAL("!=")  { public boolean evaluate(double x, double y) { return x!=y; } };
-
-    private final String operatorString;
-
-    TruthOperator(String operatorString) {
-        this.operatorString = operatorString;
-    }
-
-    /** Perform the truth operation on the input */
-    public abstract boolean evaluate(double x, double y);
-
-    @Override
-    public String toString() { return operatorString; }
-
-    public static TruthOperator fromString(String string) {
-        for (TruthOperator operator : values())
-            if (operator.toString().equals(string))
-                return operator;
-        throw new IllegalArgumentException("Illegal truth operator '" + string + "'");
-    }
-
-    private static boolean approxEqual(double x,double y) {
-        if (y < -1.0 || y > 1.0) {
-            x = Math.nextAfter(x/y, 1.0);
-            y = 1.0;
-        } else {
-            x = Math.nextAfter(x, y);
-        }
-        return x==y;
-    }
-
-}