How do I get the after decimal value in C++?

There is a nice simple way to do it. int GetFirstDecimalPlace( float f ) { const float dp = f – floorf( f ); // This simply gives all the values after the // decimal point.

How do you divide decimals in C++?

Recommended Answers Sam, dividing integers truncates the decimal part, one or both of them should be float/double depending on precision of data. int a, b, sum;//all are ints so the decimal part is truncated a=10; b=3; sum=a/b; //gives 3, truncates the repeating decimal int c; double d; double sum2; …

How do you separate decimal values?

To separate whole number from decimal in Excel, please do as follows.

1. Select a blank cell such as B2, enter this formula =TRUNC(A2) into it and then press the Enter key.
2. Select the result cell, and then drag the Fill Handle down to get all whole numbers from specified cells.

How do you remove value after decimal?

For example, to remove all digits except the first one after decimal, you can apply the formula =INT(E2*10)/10. TRUNC function: Besides the value you will remove digits after decimal, enter the formula =TRUNC(E2,0) into a blank cell, and then drag the Fill Handle to the range you need.

How do I get 6 decimal places in C++?

“c++ print 6 decimal places” Code Answer’s

1. #include
2. #include
3. ​
4. int main()
5. {
6. double d = 122.345;
7. ​
8. std::cout << std::fixed;

How do you write Setprecision in C++?

Example 1

1. #include // std::cout, std::fixed.
2. #include // std::setprecision.
3. using namespace std;
4. int main () {
5. double f =3.14159;
6. cout << setprecision(5) << f << ‘\n’;
7. cout << setprecision(9) << f << ‘\n’;
8. cout << fixed;

What is MODF in C?

In the C Programming Language, the modf function splits a floating-point value into an integer and a fractional part. The fraction is returned by the modf function and the integer part is stored in the iptr variable.

How do I remove decimals from Formula bar?

Select a blank cell, enter formula =INT(A2*100) into the Formula Bar, and then press the Enter key to get the result. See screenshot: Note: In the formula, A2 is the cell contains the decimal number you will remove.

How do you round off decimals?

There are certain rules to follow when rounding a decimal number. Put simply, if the last digit is less than 5, round the previous digit down. However, if it’s 5 or more than you should round the previous digit up. So, if the number you are about to round is followed by 5, 6, 7, 8, 9 round the number up.

How do I fix decimal places in C++?

To set fixed 2 digits after the decimal point use these first: cout. setf(ios::fixed); cout. setf(ios::showpoint); cout.

How do you do fixed and Setprecision in C++?

How to print 4 digits after the decimal point in C?

For example, 5.48958123 should be printed as 5.4895 if given precision is 4. For example, below program sets the precision for 4 digits after the decimal point: In C, there is a format specifier in C. To print 4 digits after dot, we can use 0.4f in printf (). Below is program to demonstrate the same.

Is it possible to round a float to the decimal point?

You cannot properly round the number itself, because float(and double) aren’t decimal floating-point – they are binary floating-point – so rounding to decimal positions is meaningless. You can round the output, however. – Pavel Minaev

How do you find the fractional part of a number?

What you want for positive numbers is clear: float f = x-floor (x);. What you want for negative numbers is less certain. If you expect to get the fractional part beyond the integer closest to zero, I’d recommend something like this: This code takes and stores the sign of the number of interest, its absolute value, and then puts together the parts.

How do you round to 3 decimal places?

To round after k decimal places, use a scale factor of 10^k. This should be really easy to see if you write out some decimal values by hand and play around with multiples of 10. Suppose you’re working with the value 1.23456789, and want to round it to 3 decimal places.