The
java.math.BigInteger.doubleValue() converts this BigInteger to a double value. If the value return by this function is too big for a magnitude to represent as a double then it will be converted to Double.NEGATIVE_INFINITY or Double.POSITIVE_INFINITY as appropriate. There is a chance that this conversion can lose information about the precision of the BigInteger value.
Syntax:
public double doubleValue()
Return Value: The method returns a double value which represents double value for this BigInteger.
Examples:
Input: BigInteger1=32145
Output: 32145.0
Explanation: BigInteger1.doubleValue()=32145.0.
Input: BigInteger1=32145535361361525377
Output: 3.2145535E19
Explanation: BigInteger1.doubleValue()=3.2145535E19. This BigInteger is too big for
a magnitude to represent as a double then it will be converted to Double.NEGATIVE_INFINITY
or Double.POSITIVE_INFINITY as appropriate.
Below programs illustrate doubleValue() method of BigInteger class:
Example 1:
Output:
doubleValue of 32145 : 32145.0
doubleValue of 7613721 : 7613721.0
Example 2: When returned double value is too big for a magnitude to represent as a double.
