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package org.vertexium.cypher.functions.math;

import org.vertexium.cypher.VertexiumCypherQueryContext;

public class HaversinFunction extends CypherUnaryMathFunction {
    @Override
    protected Object invokeDouble(VertexiumCypherQueryContext ctx, double value) {
        return (1.0 - Math.cos(value)) / 2.0;
    }
}