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,
What''s the difference between LONG float and double in C++?
But, in C++, when calling scanf and printf, the notation used to specify a double is "%lf", and that stands for long float, right? So while a float is less precise than a double, a LONG
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.
decimal vs double!
When should I use double instead of decimal? has some similar and more in depth answers. Using double instead of decimal for monetary applications is a micro-optimization -
Correct format specifier for double in printf
Format %lf in printf was not supported in old (pre-C99) versions of C language, which created superficial "inconsistency" between format specifiers for double in printf and scanf.
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
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
Should I use double or float?
A double has a much higher precision due to it''s difference in size. If the numbers you are using will commonly exceed the value of a float, then use a double.
How do I print a double value with full precision using cout?
In my earlier question I was printing a double using cout that got rounded when I wasn''t expecting it. How can I make cout print a double using full precision?