0000955: IMPLEMENTED: API cleanup for ALGLIB 4 - Mantis

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ID

Category

Severity

Reproducibility

Date Submitted

Last Update

0000955

[ALGLIB] General

feature

have not tried

2023-01-18 20:31

2023-05-22 17:55

Reporter

SergeyB

View Status

public

Assigned To

SergeyB

Priority

normal

Resolution

implemented

Status

resolved

Product Version

Summary

0000955: IMPLEMENTED: API cleanup for ALGLIB 4

Description

Backward incompatible changes:

===== 0 ==========

High-level changes in the API:
* C++ API now is const-correct. Functions modifying object/array state accept it as a modifiable reference, functions not modifying object/array accept is as a constant reference.
* Better handling of functions that rewrite array contents in-place but never reallocate it: in C# these functions accept arrays as a non-ref non-out parameter, in Python and Java these functions accept arrays as input-only reference (the value reference points to is changed, but not the reference itself)

===== 1 ==========

Removed ability to pass both halves of a symmetric matrix and return both halves of a symmetric matrix to determinant calculation and matrix inversion functions. Now these functions accept and modify only one triangle of the matrix (either upper or lower one, as specified by user).

===== 2 ==========

Mass changes in linear solvers:
* INFO output parameter replaced by rep.terminationtype for functions returning report, by boolean return value for functions returning no report
* output parameters REP and X changed order (compatibility with the rest of the library).

Affected functions: rmatrixsolve, rmatrixsolvefast, rmatrixsolvem, rmatrixsolvemfast, rmatrixlusolve, rmatrixlusolvefast, rmatrixlusolvem, rmatrixlusolvemfast, rmatrixmixedsolve, rmatrixmixedsolvem, cmatrixsolvem, cmatrixsolvemfast, cmatrixsolve, cmatrixsolvefast, cmatrixlusolvem, cmatrixlusolvemfast, cmatrixlusolve, cmatrixlusolvefast, cmatrixmixedsolvem, cmatrixmixedsolve, spdmatrixsolvem, spdmatrixsolvemfast, spdmatrixsolve, spdmatrixsolvefast, spdmatrixcholeskysolvem, spdmatrixcholeskysolvemfast, spdmatrixcholeskysolve, spdmatrixcholeskysolvefast, hpdmatrixsolvem, hpdmatrixsolvemfast, hpdmatrixsolve, hpdmatrixsolvefast, hpdmatrixcholeskysolvem, hpdmatrixcholeskysolvemfast, hpdmatrixcholeskysolve, hpdmatrixcholeskysolvefast, rmatrixsolvels

===== 3 ==========

Changes in the LINREG subpackage: INFO output parameter replaced by rep.terminationtype field.

Affected functions: lrbuild, lrbuilds, lrbuildz, lrbuildzs

===== 4 ==========

Changes in the LSFIT subpackage: INFO output parameter replaced by rep.terminationtype field.

Affected functions:
* lsfitlinear, lsfitlinearw, lsfitlinearc, lsfitlinearwc, lsfitresults
* spline1dfitcubicwc, spline1dfithermitewc, spline1dfitcubic, spline1dfithermite
* polynomialfit(, polynomialfitwc, barycentricfitfloaterhormannwc, barycentricfitfloaterhormann

===== 5 ==========

Changes in the PCA subpackage: INFO output parameter removed. Unexpected failures (like SVD solver failure) which in theory may occur but never occur in practice are now signaled by raising an exception.

Affected functions:
* pcabuildbasis

===== 6 ==========

Changes in SPLINE2D subpackage: spline2ddiff() and spline2ddiffvi() now return only first derivatives dS/dx and dS/dy. The mixed derivative d2S/(dx*dy) is now returned by spline2ddiff2() and spline2ddiff2vi().

===== PYTHON =====

The following changes are specific for ALGLIB for Python.

The following functions started to rewrite their arguments in-place instead of adding them to the return tuple. Please, check your usage!

cmatrixtranspose, rmatrixtranspose, rmatrixenforcesymmetricity, cmatrixcopy, rvectorcopy, rmatrixcopy, rmatrixgencopy, rmatrixger, cmatrixrank1, rmatrixrank1, rmatrixgemv, cmatrixmv, rmatrixmv, rmatrixsymv, rmatrixsyvmv, rmatrixtrsv, cmatrixrighttrsm, cmatrixlefttrsm, rmatrixrighttrsm, rmatrixlefttrsm, cmatrixherk, rmatrixsyrk, cmatrixgemm, rmatrixgemm, cmatrixsyrk, rmatrixqr, rmatrixlq, cmatrixqr, cmatrixlq, rmatrixbd, rmatrixbdmultiplybyq, rmatrixbdmultiplybyp, rmatrixhessenberg, smatrixtd, hmatrixtd, rmatrixrndorthogonalfromtheright, rmatrixrndorthogonalfromtheleft, cmatrixrndorthogonalfromtheright, cmatrixrndorthogonalfromtheleft, smatrixrndmultiply, hmatrixrndmultiply, sparsegemv, sparsetrmv, sparsetrsv, smatrixtdevd, rmatrixlu, cmatrixlu, hpdmatrixcholesky, spdmatrixcholesky, spdmatrixcholeskyupdateadd1, spdmatrixcholeskyupdatefix, spdmatrixcholeskyupdateadd1buf, spdmatrixcholeskyupdatefixbuf, rmatrixbdsvd, rmatrixsolvefast, rmatrixsolvemfast, rmatrixlusolvefast, rmatrixlusolvemfast, cmatrixsolvemfast, cmatrixsolvefast, cmatrixlusolvemfast, cmatrixlusolvefast, spdmatrixsolvemfast, spdmatrixsolvefast, spdmatrixcholeskysolvemfast, spdmatrixcholeskysolvefast, hpdmatrixsolvemfast, hpdmatrixsolvefast, hpdmatrixcholeskysolvemfast, hpdmatrixcholeskysolvefast, rmatrixluinverse, rmatrixinverse, cmatrixluinverse, cmatrixinverse, spdmatrixcholeskyinverse, spdmatrixinverse, hpdmatrixcholeskyinverse, hpdmatrixinverse, rmatrixtrinverse, cmatrixtrinverse, rmatrixinvupdatesimple, rmatrixinvupdaterow, rmatrixinvupdatecolumn, rmatrixinvupdateuv, rmatrixschur, smatrixgevdreduce, rankdata, rankdatacentered, fftc1d, fftc1dinv, fhtr1d, fhtr1dinv, filtersma, filterema, filterlrma

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Issue History
Date Modified	Username	Field	Change
2023-01-18 20:31	SergeyB	New Issue
2023-01-18 20:31	SergeyB	Status	new => assigned
2023-01-18 20:31	SergeyB	Assigned To	=> SergeyB
2023-01-18 20:31	SergeyB	Programming language	=> Unspecified
2023-04-21 22:56	SergeyB	View Status	private => public
2023-04-21 22:56	SergeyB	Description Updated
2023-05-06 23:30	SergeyB	Description Updated
2023-05-08 22:10	SergeyB	Description Updated
2023-05-08 22:34	SergeyB	Description Updated
2023-05-08 22:52	SergeyB	Issue Monitored: SergeyB
2023-05-08 22:53	SergeyB	Description Updated
2023-05-09 21:46	SergeyB	Description Updated
2023-05-09 21:46	SergeyB	Description Updated
2023-05-09 22:24	SergeyB	Description Updated
2023-05-09 22:37	SergeyB	Resolution	open => implemented
2023-05-09 22:37	SergeyB	Summary	API cleanup for ALGLIB 4 => IMPLEMENTED: API cleanup for ALGLIB 4
2023-05-09 22:38	SergeyB	Status	assigned => resolved
2023-05-09 22:38	SergeyB	Fixed in Version	=> 3.21.0
2023-05-15 21:05	SergeyB	Description Updated
2023-05-22 17:55	SergeyB	Description Updated

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