Examples of java.math.BigInteger.pow()

java.math.BigInteger.pow()
Returns a BigInteger whose value is (this^exponent). Note that {@code exponent} is an integer rather than a BigInteger. @param exponent exponent to which this BigInteger is to be raised. @return this^exponent @throws ArithmeticException {@code exponent} is negative. (This wouldcause the operation to yield a non-integer value.)

        }
        else if ("byte * 2^20".equals(allocationUnits) || "MB".equalsIgnoreCase(allocationUnits)
            || "MEGABYTE".equalsIgnoreCase(allocationUnits)
            || "MEGABYTES".equalsIgnoreCase(allocationUnits)) // mb
        {
            bytes = capa.multiply(factor.pow(20));
        }
        else if ("byte * 2^30".equals(allocationUnits) || "GB".equalsIgnoreCase(allocationUnits)
            || "GIGABYTE".equalsIgnoreCase(allocationUnits)
            || "GIGABYTES".equalsIgnoreCase(allocationUnits)) // gb
        {

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        }
        else if ("byte * 2^30".equals(allocationUnits) || "GB".equalsIgnoreCase(allocationUnits)
            || "GIGABYTE".equalsIgnoreCase(allocationUnits)
            || "GIGABYTES".equalsIgnoreCase(allocationUnits)) // gb
        {
            bytes = capa.multiply(factor.pow(30));
        }
        else if ("byte * 2^40".equals(allocationUnits) || "TB".equalsIgnoreCase(allocationUnits)
            || "TERABYTE".equalsIgnoreCase(allocationUnits)
            || "TERABYTES".equalsIgnoreCase(allocationUnits)) // tb
        {

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        }
        else if ("byte * 2^40".equals(allocationUnits) || "TB".equalsIgnoreCase(allocationUnits)
            || "TERABYTE".equalsIgnoreCase(allocationUnits)
            || "TERABYTES".equalsIgnoreCase(allocationUnits)) // tb
        {
            bytes = capa.multiply(factor.pow(40));
        }
        else
        {
            final String msg =
                "Unknow disk capacityAllocationUnits factor [" + allocationUnits + "]";

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            final String msg =
                "Unknow disk capacityAllocationUnits factor [" + allocationUnits + "]";
            throw new RuntimeException(msg);
        }


        return bytes.divide(factor.pow(20)).longValue();
    }
}

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