https://stackoverflow.com › questions › 10409032

This is a likely a linker error. Add the -lm switch to specify that you want to link against the standard C math library (libm) which has the definition for those functions (the header just has the declaration for them - worth looking up the difference.) answered May 2, 2012 at 6:55. ckhan.

https://stackoverflow.com › questions › 5248919

Here are my observation, firstly you need to include the header math.h as sqrt() function declared in math.h header file. For e.g. #include <math.h>. secondly, if you read manual page of sqrt you will notice this line Link with -lm. #include <math.h> /* header file you need to include */.

https://skillapp.co › blog › solving-undefined-reference-to-sqrt-a-comprehensive-guide-for...

The “undefined reference to sqrt” error is a common stumbling block for many C++ programmers. However, by understanding the error, identifying the causes and common mistakes, and implementing effective solutions, you can ensure a smooth compiling and execution process.

https://skillapp.co › blog › demystifying-undefined-reference-to-sqrt-in-c-a-guide-for...

Learn what causes the undefined reference to sqrt error in C++ and how to resolve it. Find out how to include, link, and use the math library and its sqrt function correctly.

https://www.developpez.net › forums › d833495 › c-cpp › c › undefined-reference-to-sqrt

Voila j'essaye de ciompiler un petit programme en C et à chaque et j'ai un problème de compilation avec la fonction sqrt du genre : "undefined reference to sqrt" malgré que j'ai mis le #include <mat

https://forum.ubuntu-fr.org › viewtopic.php

plouf1221. Bonsoir, J'ai fait une petite fonction nommée proche_zero qui prend en paramètre un tableau et qui renvoi la valeur la plus proche de zero. J'ai bien inclus le fichier math.h mais le compilateur ne reconnaît pas la fonction sqrt avec le message d'erreur suivant : gcc test.c -o test.exe -std=c99.

https://techoverflow.net › 2021 › 04 › 11 › how-to-fix-gcc-undefined-reference-to-sqrt

mathstuff.c:(.text+0x15d): undefined reference to `sqrt'. Solution: You need to link the math library using the -lm flag (-lxxx means: “link the xxx library”, i.e. -lm means “link the m ” library) For example, instead of. gcc -o myprogram *.c. use.

https://blog.csdn.net › wangqingchuan92 › article › details › 115261070

总结来说，当编译器报错undefined reference to `sqrt`时，你需要确保正确引用了math.h头文件并链接了math库。通过这些步骤，你就可以成功解决这个编译错误。

https://www.knowprogram.com › c-programming › undefined-reference-to-sqrt-or-other...

Learn how to fix the linker error of undefined reference to sqrt in C programming when using Linux environment. You need to link your code with the -lm option to include the math library libm.so.

https://frontendscript.com › error-undefined-reference-to-sqrt-in-c

“Undefined reference to sqrt’” is a common error message that appears in C or C++ programming. It means that the compiler cannot find a definition for the sqrt function, which is used to calculate the square root of a number.