What is the square function in C language?

What is the square function in C language

In C language, there is no special function to find the square. For the variable x, its square It can be expressed as x*x, that is, just multiply two numbers (or variables) directly.

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In addition, in C language, the math.h file contains a library function for exponentiation (including square root), which is pow( x,y).

Where x and y are both double precision floating point (double) types, x is the base, y is the exponent (if it is a decimal, it is the square root)

Usage example:

Find the square of 10

int res  = pow(10, 2);

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