See the output after running this command sh-4.3$ gcc number.

-lm is option to execute math.h library file.

number.c is the name of c program source file.

The command is: gcc number.c -o number -lm To compile C program with math.h library, you have to put -lm just after the compile command gcc number.c -o number, this command will tell to the compiler to execute program with math.h library. Online C Compiler, Online C Editor, Online C IDE, C Coding Online, Practice C Online, Execute C Online, Compile C Online, Run C Online, Online C Interpreter. Then, how to compile C program with math.h library? Program will throw an error, and the error is: sh-4.3$ gcc number.c -o number The compile command is: gcc number.c -o number Use a text editor such as nano or vi to create a C program called hello.c: Type the following lines (program): After writing your program, press Ctrl + O and hit Enter key to save your program. Program - number.c # include # include int main ( ) Now compile program as normally (as usual we compile any c program), Let's understand with an example: Here is a program that will read an integer number and we want to get square root and cube of entered integer number.Īs we are aware that sqrt() is used to get square root and pow() is used to get power of any number.

Many of the programmer's don't know how to compile a C program which is using math.h library functions? After including math.h header file, program does not compile and return error(s). If you're using Linux, check out How to Compile a C Program Using the GNU Compiler. Please read complete article to learn better. This wikiHow teaches you how to compile your C program in Windows and macOS.

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