Small change to quantile computation function

analytics/includes/CommonStatistics.h

@@ -93,36 +93,5 @@ void computeQuantiles(const std::vector<reading_t> &data, std::vector<reading_t>
 	}
 }
 
-
-void computeQuantiles(const std::vector<reading_t> &data, std::vector<reading_t> &quantiles, unsigned int NUMBER_QUANTILES) {
-	std::vector<reading_t> cdf; //!< cumulative distribution function (cfd)
-	cdf.assign(data.begin(), data.end()); // we copy the vector to avoid changing the order to the original
-	std::sort(cdf.begin(), cdf.end(), [ ](const reading_t& lhs, const reading_t& rhs) { return lhs.value < rhs.value; });
-	if (cdf.empty()) {
-		return;
-	}
-	int elementNumber = cdf.size();
-	quantiles.resize(NUMBER_QUANTILES + 1); //+min
-	float factor = elementNumber/static_cast<float>(NUMBER_QUANTILES);
-	quantiles[0].value = cdf[0].value;
-	quantiles[NUMBER_QUANTILES].value = cdf[cdf.size() - 1].value;
-	for (unsigned int i = 1; i < NUMBER_QUANTILES; i++) {
-		if (elementNumber > 1) {
-			int idx = static_cast<int>(std::floor(i * factor));
-			float rest = (i * factor) - idx;
-			if(idx == 0){
-				quantiles[i].value = cdf[0].value;
-				quantiles[i].timestamp = cdf[0].timestamp;
-			} else {
-				quantiles[i].value = cdf[idx - 1].value + rest * (cdf[idx].value - cdf[idx - 1].value);
-				quantiles[i].timestamp = cdf[idx].timestamp;
-			}
-		} else { //optimization, we don't need to calculate all the quantiles
-			quantiles[i].value = cdf[0].value;
-			quantiles[i].value = cdf[0].timestamp;
-		}
-	}
-}
-
 #endif /* ANALYTICS_INCLUDES_COMMONSTATISTICS_H_ */