/* Extended version of power function that can work for float x and negative y*/ #include<stdio.h> float power(float x, int y) { float temp; if( y == 0) return 1; temp = power(x, y/2); if (y%2 == 0) return temp*temp; else { if(y > 0) return x*temp*temp; else return (temp*temp)/x; } } /* Program to test function power */ int main() { float x = 2; int y = -3; printf("%f", power(x, y)); return 0; }