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What is the difference between float and double? - Stack Overflow 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 other does not seem to affec
c++ - Double precision - decimal places - Stack Overflow 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, such as 1 0 7 0, I find tha
Whats the difference between a single precision and double precision . . . 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 as a regular floating-point number For example, if a single-precision number requires 32 bits, its double-precision counterpart will be 64 bits long
Difference between long double and double in C and C++ Possible Duplicate: long double vs double I am new to programming and I am unable to understand the difference between between long double and double in C and C++ I tried to Google it but was unab
Should I use double or float? - Stack Overflow 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 people have mentioned performance isssues That would be exactly last on my list of considerations Correctness should be your #1 consideration