For loop excersise

#include <stdio.h>//standard input output library
#include <math.h>//standard math library
double summing(double num1 ){return  pow((3* num1)+1,.5);}//The prototype, function, and function defninition of the equation given.
double addition(double num1, double num2){
  return num1+num2;}//addition prototype

int main(void) {
double sum;
double term;


for(double x=0;x<1000;x+=2){//will loop automatically. Starts off at X=0 but increments by 2.
term=summing(x);// This will take the X values and plug it into the summing equation.
sum= addition(term, sum);// This will take the previous sum, add it to the new term, and create the new sum for the new loop.
printf("x= %lg||term= %lg||sum= %lg",x,term,sum);
printf("\n--------------------------------------------------\n");
}
  return 0;
}