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java Programming Glossary: mantissaBest way to represent a fraction in Java? http://stackoverflow.com/questions/474535/best-way-to-represent-a-fraction-in-java 0x1 final int exponent int bits 52 0x7ff 0x3ff final long mantissa bits 0xfffffffffffffL number is 1 ^sign 2^ exponent 1.mantissa.. bits 0xfffffffffffffL number is 1 ^sign 2^ exponent 1.mantissa BigInteger tmpNumerator BigInteger.valueOf sign 0 1 1 BigInteger.. BigInteger.ONE.shiftLeft exponent 1.mantissa 1 mantissa 2^52 2^52 mantissa 2^52 tmpDenominator tmpDenominator.multiply..
What is the difference between the float and integer data type when the size is the same? http://stackoverflow.com/questions/4806944/what-is-the-difference-between-the-float-and-integer-data-type-when-the-size-is three distinct parts The sign bit the exponent and the mantissa. They are laid out as follows S EEEEEEEE MMMMMMMMMMMMMMMMMMMMMMM.. . Then there are eight bits of an exponent and 23 bits of mantissa. To get a useful number from that roughly the following calculation.. this should suffice for the purpose of this discussion The mantissa is in essence not much more than a 24 bit integer number. This..
double arithmetic and equality in Java http://stackoverflow.com/questions/7289361/double-arithmetic-and-equality-in-java not. perhaps you are asking why 0.1 is not stored as a mantissa of 1 and an exponent of 10 but that's not how it works. it's..
Math.random() versus Random.nextInt(int) http://stackoverflow.com/questions/738629/math-random-versus-random-nextintint that has approximately uniformly distributed bits in its mantissa so it is uniformly distributed in the range 0 to 1 2^ 53 . Random.nextInt..
Why does Math.round(0.49999999999999994) return 1 http://stackoverflow.com/questions/9902968/why-does-math-round0-49999999999999994-return-1 has a smaller exponent than 0.5 so when they're added its mantissa is shifted and the ULP gets bigger. 1. At least this is the..
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