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
Promise. 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
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. Several other
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?
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
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?
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 -
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.
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