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What is the difference between float and double?

I''ve read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the

Correct format specifier for double in printf

L Specifies that a following a, A, e, E, f, F, g, or G conversion specifier applies to a long double argument. The same rules specified for fprintf apply for printf, sprintf and similar functions.

What exactly does Double mean in java?

A Double in Java is the class version of the double basic type - you can use doubles but, if you want to do something with them that requires them to be an object (such as

c++

From what I have read, a value of data type double has an approximate precision of 15 decimal places. However, when I use a number whose decimal representation repeats,

Integer division: How do you produce a double?

double d = ((double) num) / denom; But is there another way to get the correct double result? I don''t like casting primitives, who knows what may happen.

What''s the difference between a single precision and double

The term double precision is something of a misnomer because the precision is not really double. The word double derives from the fact that a double-precision number uses twice as many bits

c++

A double which is usually implemented with IEEE 754 will be accurate to between 15 and 17 decimal digits. Anything past that can''t be trusted, even if you can make the

Difference between long double and double in C and C++

Possible Duplicate: long double vs double I am unable to understand the difference between between long double and double in C and C++. Can anyone help?

java

494 A Double is not an Integer, so the cast won''t work. Note the difference between the Double class and the double primitive. Also note that a Double is a Number, so it has the method

methods

Possible Duplicate: Java : different double and Double in comparison In a sample java program for one of my labs, I have two different methods taking Double and double