presto-main/src/main/java/io/prestosql/type/RealOperators.java/RealOperators/equal
class RealOperators:    @ScalarOperator(EQUAL)
    @SqlType(StandardTypes.BOOLEAN)
    @SqlNullable
    public static Boolean equal(@SqlType(StandardTypes.REAL) long left, @SqlType(StandardTypes.REAL) long right)
    {
        return intBitsToFloat((int) left) == intBitsToFloat((int) right);
    }