How to calculate the absolute value in C language

How to implement absolute value in C language: 1. If it is an integer number, you can use the abs function to get its absolute value; 2. If it is a floating-point number, you can use the fabs function to get its absolute value.

The operating environment of this article: Windows 7 system, Dev-C version 5.11, Dell G3 computer.

How to implement absolute value in C language:

1. In C language, you can use the abs or fabs function to get the absolute value of a number, which is contained in math.h header file, so add the header file to the code first, as shown in the figure below.

#2. If it is an integer number, you can use the abs function to get its absolute value. The code is as shown in the figure below.

#3. If it is a floating-point number, you can use the fabs function to get its absolute value. The code is as shown in the figure below.

#4. Finally, you can use the Printf function to print out the numbers converted into absolute values ​​and view the code running results, as shown in the figure below.

#5. After debugging and running the code, you can see the result after converting the number into an absolute value, as shown in the figure below.

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