forkineye

static esp_err_t joinMulticastGroup(const ip_addr_t *addr, bool join, tcpip_adapter_if_t tcpip_if=TCPIP_ADAPTER_IF_MAX)
{
    struct netif * netif = NULL;
    if(tcpip_if < TCPIP_ADAPTER_IF_MAX){
        void * nif = NULL;
        esp_err_t err = tcpip_adapter_get_netif(tcpip_if, &nif);
        if (err) {
            return ESP_ERR_INVALID_ARG;
        }
        netif = (struct netif *)nif;

forkineye

void setup() {
    Serial.begin(115200);
    Serial.println("");

    float x = 2.0; 
    float y = 2.2;

    int i;
    for(i = 0; i < 10; i++) {
        Serial.println(pow(i, x));