c_cpp recursive_pow_and_fact

Posted 2021-05-14

float recPow(float x, float power){
    if (power < -1.0) return  recPow(x, power + 1) / x;
    if (power == -1.0) return 1.0 / x;
    if (power == 0.0) return 1.0;
    if (power == 1.0) return x;
    if (power > 1.0) return x * recPow(x, power - 1);
    else return 0;
}

long recFact(int x){
    if (x < 0) return  0;
    if (x == 0) return 0;
    if (x == 1) return 1;
    if (x > 1) return x * recFact(x - 1);
    else return 0;
}


int main(){
    int n = 0;
    int i = 0;
    for(n = 0; n <= 10.0; n++){
        printFloat(recPow(2.0, n));
    }
    printLineBreak();
    for(n = 0; n <= 10; n++){
        printLong(recFact(n));
    }
	return 0;
}