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- public class PiApprox {
- public static String iterPi2String(Double epsilon) {
- // your code
- System.out.println(epsilon);
- System.out.printf("%f\n", epsilon);
- long STOP = (long)(1.0d / epsilon);
- System.out.println(STOP);
- double sum = 1;
- int den = 3;
- for(long i = 1; i < STOP; i++){
- if(i % 2 == 1){
- sum -= (1.0 / (double)den);
- }
- else{
- sum += (1.0 / (double)den);
- }
- den += 2;
- }
- String toReturn = "[" + STOP + ", ";
- toReturn += String.format("%.10f", sum * 4);
- toReturn += "]";
- return toReturn;
- }
- }
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