Usage of sqrt function in c language
The sqrt function is used to calculate the square root of a non-negative real number. The function prototype of
sqrt: The function prototype of the math.h header file in VC6.0 is double sqrt(double);
Note: sqrt is Square Root Calculations. This operation can test the floating point capability of the CPU.
Header file: math.h
Program example:
#include <math.h> #include <stdio.h> int main(void) { double x = 4.0, result; result = sqrt(x); //result*result = x printf("The square root of % is %\n", x, result); return 0; }
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