Answer to Question #17392 in C++ for Wayan Lonod

Question

Write a Function in C language that will allow floating point number to be raised to an integer power. (i.e. to calculate y= xn where x, y are floating point variables and n is an integer.

Answer 1

float power(int pow, float from) // x power y
{
float temp = from;
if(pow > 0)
{
--pow;
for(int i = 0; i < pow; i++) temp *= from;
}
else if(pow < 0)
{
--pow;
for(int i = 0; i > pow; --i) temp /= from;
}
else if (pow == 0) temp = 1;
return temp;
}