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.

39 Using Double.toString (), if the number is too small or too large, you will get a scientific notation like this: 3.4875546345347673E-6. There are several ways to have more control of output …

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.

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

%lf to print a double was added in C99; if you want to be compatible with older versions of C then %f can be used which prints both float and double.

1 Use Double.compare(/**double value 1*/, /**double value 2*/); with a new Comparator for your model class double value.

Math.Round rounds a double-precision floating-point value to a specified number of fractional digits. MidpointRounding Specifies how mathematical rounding methods should process a …

C# Double - ToString () formatting with two decimal places but no rounding Asked 15 years, 8 months ago Modified 4 years, 3 months ago Viewed 576k times

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?

Now by accessing elements c[0] through c[sizeof(double) - 1] you will see the internal representation of type double. You can use bitwise operations on these unsigned char values, …