* Mothur
*
* Created by Thomas Ryabin on 5/13/09.
- * Copyright 2009 __MyCompanyName__. All rights reserved.
+ * Copyright 2009Schloss Lab UMASS Amherst. All rights reserved.
*
*/
data.resize(1,0);
double n = (double)rank->getNumSeqs();
- if(m > n) {
- cout << "Error in the 'efron' calculator. 'size' must be less than the length of the smallest sabund vector.\n";
- data[0] = 0;
- return data;
- }
+ if(m > n || m == 0) { m = n; }
double sum = 0;
- for(int i = 1; i < rank->size(); i++)
- sum += pow(-1, (double)(i+1)) * pow(((double)m / n), i) * (double)(rank->get(i));
-
+ for(int i = 1; i < rank->size(); i++){
+ sum += pow(-1., i+1) * pow(((double)m / n), i) * (double)(rank->get(i));
+ }
data[0] = sum;
return data;