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https://issues.apache.org/jira/browse/HAMA-19?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Edward J. Yoon updated HAMA-19:
-------------------------------
Attachment: HAMA-19.patch
Interface :
/**
* Supported vector-norms.
*/
enum Norm {
/** Sum of the absolute values of the entries */
One,
/** The root of sum of squares */
Two,
/**
* As the 2 norm may overflow, an overflow resistant version is also
* available. Note that it may be slower.
*/
TwoRobust,
/** Largest entry in absolute value */
Infinity
}
Implements :
public double norm(Norm type) {
if (type == Norm.One)
return getL1Norm();
else if (type == Norm.Two)
return getL2Norm();
else if (type == Norm.TwoRobust)
return norm2_robust();
else
return normInf();
}
public double getL1Norm() {
double sum = 0.0;
for (int i = 0; i < m_vals.length; i++) {
sum += m_vals[i];
}
return sum;
}
....
> Remove vector-norms enum to interface from implementations.
> -----------------------------------------------------------
>
> Key: HAMA-19
> URL: https://issues.apache.org/jira/browse/HAMA-19
> Project: Hama
> Issue Type: Improvement
> Components: interface
> Reporter: Edward J. Yoon
> Assignee: Edward J. Yoon
> Fix For: 0.1.0
>
> Attachments: HAMA-19.patch
>
>
> Add norms (e.g. one, tow, twoRubust, infinity) to vector interface.
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