For printf, the length modifier l is ignored in the case of floating point types because float arguments are always promoted to double. Jerry Coffin's answer has more information.

Note that int i = lrint(x) converts float or double -> long first, and then truncates the integer to int. This makes a difference for out-of-range integers: Undefined Behaviour in C++, but well …

I guess this force you to cast float into decimal if you want decimal result, and cast decimal into float if you don't care about the precision.

Mar 4, 2011 · I need to format a float to "n"decimal places. was trying to BigDecimal, but the return value is not correct... public static float Redondear(float pNumero, int …

If what you are testing comes from user input, it is still a string even if it represents an int or a float. See How can I read inputs as numbers? for converting the input, and Asking the user for …

The variables b, c, d are of float type. But the / operator sees two integers it has to divide and hence returns an integer in the result which gets implicitly converted to a float by the addition …

What would be the most efficient way to compare two double or two float values? Simply doing this is not correct: bool CompareDoubles1 (double A, double B) { return A == B; } But …

I am wondering what the difference is between these two variables in C: float price = 3.00; and float price = 3.00f; What is the use of suffix f in this case?

I want to print a float value which has 2 integer digits and 6 decimal digits after the comma. If I just use printf("%f", myFloat) I'm getting a truncated value. I don't know if this always happen...

I'm implementing pagination, and it needs to be centered. The problem is that the links need to be displayed as block, so they need to be floated. But then, text-align: center; doesn't work on …