https://www.programiz.com › c-programming › library-function › math.h › sqrt

The sqrt() function takes a single argument (in double) and returns its square root (also in double). The sqrt() function is defined in math.h header file. To find the square root of int, float or long double data types, you can explicitly convert the type to double using cast operator.

https://www.geeksforgeeks.org › sqrt-function-in-c

sqrt () function in C is a predefined function in the math.h library used to calculate the square root of a given number. To use this function, we must include the <math.h> header file in our program.

https://www.tutorialspoint.com › c_standard_library › c_function_sqrt

The C library sqrt () function of type double accept the variable x (double) as parameter to return the result of square root. The square of a number is obtained by multiplying the number by itself.

https://en.cppreference.com › w › c › numeric › math › sqrt

sqrt is required by the IEEE standard to be correctly rounded from the infinitely precise result. In particular, the exact result is produced if it can be represented in the floating-point type.

https://koor.fr › C › cmath › sqrt.wp

Ces trois fonctions permettent de calculer la racine carré d'une valeur passée en paramètre. La racine carrée d'un nombre réel positif x est le nombre positif qui, lorsqu'il est multiplié par lui-même (le carré de ce nombre), donne x.

https://www.techonthenet.com › c_language › standard_library_functions › math_h › sqrt.php

The syntax for the sqrt function in the C Language is: double sqrt(double x); Parameters or Arguments. x. A value used when calculating the square root of x. Returns. The sqrt function returns the square root of x. If x is negative, the sqrt function will return a domain error. Required Header.

https://www.w3schools.com › c › ref_math_sqrt.php

Definition and Usage. The sqrt() function returns the square root of a number. The sqrt() function is defined in the <math.h> header file. Syntax. One of the following: sqrt(double number); Parameter Values. Technical Details. Returns: A double value representing the square root of a number. Math Functions. Related Pages. C Functions Tutorial.

https://en.wikibooks.org › wiki › C_Programming › math.h › sqrt

sqrt () is a C library function. It is mainly associated with programming language. It is considerd under [math.h] header file. function: #include<math.h> double sqrt (double x ); float sqrt (float x ); long double sqrt (long double x ); Description: sqrt computes square root. And returns The square root of x.