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Posted to issues@commons.apache.org by "Sébastien Brisard (JIRA)" <ji...@apache.org> on 2012/10/08 07:38:02 UTC
[jira] [Created] (MATH-875) Deprecate RealVector.sparseIterator()
and FieldVector.sparseIterator()
Sébastien Brisard created MATH-875:
--------------------------------------
Summary: Deprecate RealVector.sparseIterator() and FieldVector.sparseIterator()
Key: MATH-875
URL: https://issues.apache.org/jira/browse/MATH-875
Project: Commons Math
Issue Type: Improvement
Affects Versions: 3.1, 4.0
Reporter: Sébastien Brisard
Priority: Minor
Following MATH-870, {{RealVector.sparseIterator()}} and {{FieldVector.sparseIterator()}} have become useless. Their interface was confusing. Indeed, the Javadoc states
{quote}
Specialized implementations may choose to not iterate over all dimensions, either because those values are unset, or are equal to defaultValue(), or are small enough to be ignored for the purposes of iteration.
{quote}
The reference to {{defaultValue()}} (which does *not* exist) suggests that the interface offers the flexibility to chose the value which is not stored in the sparse implementation. On the other hand, "small enough to be ignored" suggests that this default value is zero.
In version 3.1, this method will be deprecated, to be removed in 4.0.
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[jira] [Commented] (MATH-875) Deprecate RealVector.sparseIterator()
and FieldVector.sparseIterator()
Posted by "Sébastien Brisard (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MATH-875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471414#comment-13471414 ]
Sébastien Brisard commented on MATH-875:
----------------------------------------
This improvement no longer affects version 3.1. As of version 4.0, the method must be removed.
> Deprecate RealVector.sparseIterator() and FieldVector.sparseIterator()
> ----------------------------------------------------------------------
>
> Key: MATH-875
> URL: https://issues.apache.org/jira/browse/MATH-875
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 3.1, 4.0
> Reporter: Sébastien Brisard
> Priority: Minor
> Labels: linear, sparse
>
> Following MATH-870, {{RealVector.sparseIterator()}} and {{FieldVector.sparseIterator()}} have become useless. Their interface was confusing. Indeed, the Javadoc states
> {quote}
> Specialized implementations may choose to not iterate over all dimensions, either because those values are unset, or are equal to defaultValue(), or are small enough to be ignored for the purposes of iteration.
> {quote}
> The reference to {{defaultValue()}} (which does *not* exist) suggests that the interface offers the flexibility to chose the value which is not stored in the sparse implementation. On the other hand, "small enough to be ignored" suggests that this default value is zero.
> In version 3.1, this method will be deprecated, to be removed in 4.0.
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[jira] [Commented] (MATH-875) Deprecate RealVector.sparseIterator()
and FieldVector.sparseIterator()
Posted by "Sébastien Brisard (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MATH-875?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13471413#comment-13471413 ]
Sébastien Brisard commented on MATH-875:
----------------------------------------
In {{r1395455}}, deprecated {{sparseIterator()}} in the {{RealVector}} hierarchy, and replaced its use with {{iterator()}}.
> Deprecate RealVector.sparseIterator() and FieldVector.sparseIterator()
> ----------------------------------------------------------------------
>
> Key: MATH-875
> URL: https://issues.apache.org/jira/browse/MATH-875
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 3.1, 4.0
> Reporter: Sébastien Brisard
> Priority: Minor
> Labels: linear, sparse
>
> Following MATH-870, {{RealVector.sparseIterator()}} and {{FieldVector.sparseIterator()}} have become useless. Their interface was confusing. Indeed, the Javadoc states
> {quote}
> Specialized implementations may choose to not iterate over all dimensions, either because those values are unset, or are equal to defaultValue(), or are small enough to be ignored for the purposes of iteration.
> {quote}
> The reference to {{defaultValue()}} (which does *not* exist) suggests that the interface offers the flexibility to chose the value which is not stored in the sparse implementation. On the other hand, "small enough to be ignored" suggests that this default value is zero.
> In version 3.1, this method will be deprecated, to be removed in 4.0.
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[jira] [Updated] (MATH-875) Deprecate RealVector.sparseIterator()
Posted by "Sébastien Brisard (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/MATH-875?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sébastien Brisard updated MATH-875:
-----------------------------------
Description:
Following MATH-870, {{RealVector.sparseIterator()}} has become useless. Its interface was confusing. Indeed, the Javadoc states
{quote}
Specialized implementations may choose to not iterate over all dimensions, either because those values are unset, or are equal to defaultValue(), or are small enough to be ignored for the purposes of iteration.
{quote}
The reference to {{defaultValue()}} (which does *not* exist) suggests that the interface offers the flexibility to chose the value which is not stored in the sparse implementation. On the other hand, "small enough to be ignored" suggests that this default value is zero.
In version 3.1, this method will be deprecated, to be removed in 4.0.
was:
Following MATH-870, {{RealVector.sparseIterator()}} and {{FieldVector.sparseIterator()}} have become useless. Their interface was confusing. Indeed, the Javadoc states
{quote}
Specialized implementations may choose to not iterate over all dimensions, either because those values are unset, or are equal to defaultValue(), or are small enough to be ignored for the purposes of iteration.
{quote}
The reference to {{defaultValue()}} (which does *not* exist) suggests that the interface offers the flexibility to chose the value which is not stored in the sparse implementation. On the other hand, "small enough to be ignored" suggests that this default value is zero.
In version 3.1, this method will be deprecated, to be removed in 4.0.
Affects Version/s: (was: 3.1)
Summary: Deprecate RealVector.sparseIterator() (was: Deprecate RealVector.sparseIterator() and FieldVector.sparseIterator())
> Deprecate RealVector.sparseIterator()
> -------------------------------------
>
> Key: MATH-875
> URL: https://issues.apache.org/jira/browse/MATH-875
> Project: Commons Math
> Issue Type: Improvement
> Affects Versions: 4.0
> Reporter: Sébastien Brisard
> Priority: Minor
> Labels: linear, sparse
>
> Following MATH-870, {{RealVector.sparseIterator()}} has become useless. Its interface was confusing. Indeed, the Javadoc states
> {quote}
> Specialized implementations may choose to not iterate over all dimensions, either because those values are unset, or are equal to defaultValue(), or are small enough to be ignored for the purposes of iteration.
> {quote}
> The reference to {{defaultValue()}} (which does *not* exist) suggests that the interface offers the flexibility to chose the value which is not stored in the sparse implementation. On the other hand, "small enough to be ignored" suggests that this default value is zero.
> In version 3.1, this method will be deprecated, to be removed in 4.0.
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