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  1. c - 'float' vs. 'double' precision - Stack Overflow

    The 53 bits of double s give about 16 digits of precision. The 24 bits of float s give about 7 digits of precision.

  2. What does the !! (double exclamation mark) operator do in …

    The double "not" in this case is quite simple. It is simply two not s back to back. The first one simply "inverts" the truthy or falsy value, resulting in an actual Boolean type, and then the …

  3. c++ - double and accuracy - Stack Overflow

    Jun 19, 2012 · A double typically provides 16 (±1) decimal digits. Your example shows this: 4 8 12 16 v v v v 0.947368421052631578 long double 0.947368421052631526 double The answers …

  4. Correct format specifier for double in printf - Stack Overflow

    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.

  5. How do I print a double value with full precision using cout?

    Feb 16, 2009 · 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?

  6. c# - What represents a double in sql server? - Stack Overflow

    I have a couple of properties in C# which are double and I want to store these in a table in SQL Server, but noticed there is no double type, so what is best to use, decimal or float? This will st...

  7. How do I get DOUBLE_MAX? - Stack Overflow

    1) As others pointed out, you don't need a double, you need a 64-bit integral type (either long long, or uint64_t). 2) If you do use a double, you don't need DBL_MAX (which is the largest …

  8. c - Why am I getting this memory access error 'double free or ...

    Sep 23, 2012 · Double free means free (x) was called twice in a row with the same value of x. Somewhere in your code free (x) is called and then most likely in another piece of code free …

  9. java - Double vs. BigDecimal? - Stack Overflow

    Aug 5, 2010 · There are two main differences from double: Arbitrary precision, similarly to BigInteger they can contain number of arbitrary precision and size (whereas a double has a …

  10. How do I print a double value without scientific notation using …

    320 I want to print a double value in Java without exponential form. double dexp = 12345678; System.out.println("dexp: "+dexp); It shows this E notation: 1.2345678E7. I want it to print it …