bugGNU Scientific Library - Bugs: bug #49465, initialize newton and steffenson...

 
 

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bug #49465: initialize newton and steffenson solvers with GSL_FN_FDF_EVAL_F_DF

Submitted by:  Leo Singer <lpsinger>
Submitted on:  Fri 28 Oct 2016 08:15:20 AM UTC  
 
Category: PerformanceSeverity: 3 - Normal
Operating System: Status: None
Assigned to: NoneOpen/Closed: Open
Release: 

Fri 28 Oct 2016 08:15:20 AM UTC, original submission:

The attached patch causes the Newton and Steffenson one-dimensional root finders to initialize using GSL_FN_FDF_EVAL_F_DF rather than GSL_FN_FDF_EVAL_F and GSL_FN_FDF_EVAL_DF. This should result in faster initialization for problems where the function and derivative are expensive to evaluate and involve redundant calculations.

Leo Singer <lpsinger>

 

Attached Files

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follows 1 latest change.

    Date Changed By Updated Field Previous Value => Replaced By
    Fri 28 Oct 2016 08:15:20 AM UTClpsingerAttached File-=>Added 0001-initialize-newton-steffenson-solvers-with-GSL_FN_FDF.patch, #38826

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