C Tutorial/math.h/hypot
hypot
Item Value Header file math.h Declaration float hypotf(float side1, float side2);double hypot(double side1, double side2);long double hypotl(long double side1, long double side2); Return return the square root of the sum of the squares of side1 and side2.
#include <math.h>
#include <stdio.h>
int main(void)
{
int e;
double f;
f = hypotf(3, 4);
printf("%f", f);
}