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Removed last of the Math.pow's 

git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/math/trunk@140937 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Mark R. Diggory 2003-06-21 02:54:55 +00:00
parent b84e9460b5
commit 8d3d1889fb
1 changed files with 4 additions and 4 deletions
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8
src/java/org/apache/commons/math/stat/UnivariateImpl.java
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@ -71,7 +71,7 @@ import org.apache.commons.math.FixedDoubleArray;
* @author <a href="mailto:mdiggory@apache.org">Mark Diggory</a>
* @author Brent Worden
* @author <a href="mailto:HotFusionMan@Yahoo.com">Albert Davidson Chou</a>
* @version $Revision: 1.12 $ $Date: 2003/06/21 02:08:23 $
* @version $Revision: 1.13 $ $Date: 2003/06/21 02:54:55 $
*
*/
public class UnivariateImpl implements Univariate, Serializable {
@ -306,7 +306,7 @@ public class UnivariateImpl implements Univariate, Serializable {
/* if n <= 1, initialize the sumLog, min, max, mean, variance and pre-variance */
sumLog = 0.0;
sum = min = max = mean = value;
sumsq = Math.pow(value, 2);
sumsq = value * value;
variance = m2 = 0.0;
skewness = kurtosis = 0.0;
m2 = m3 = m4 = 0.0;
@ -314,13 +314,13 @@ public class UnivariateImpl implements Univariate, Serializable {
/* otherwise calc these values */
sumLog += Math.log(value);
sum += value;
sumsq += Math.pow(value, 2);
sumsq += value * value;
min = Math.min(min, value);
max = Math.max(max, value);
double dev = value - mean;
double v = dev / ((double) n);
double v2 = Math.pow(v, 2);
double v2 = v * v;
double n0 = (double) n;
double n1 = (double) (n - 1);