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18 Commits

Author SHA1 Message Date
ifv
8c49832926 0033173: Modeling Algorithms - Regression in BRepExtrema_DistShapeShape causing Standard_OutOfRange exception
Extrema/Extrema_ExtCC.cxx - checking number of solutions is added

tests/bugs/modalg_8/bug33173 - test case added
2023-03-17 23:04:01 +00:00
azv
ee6581adbe 0032874: IsParallel() method of Extrema_ExtCC does not give same results in OCC 7.6.0 vs OCC 7.5.0
Use precision depending on radii of participating circles.
2022-04-08 18:50:30 +03:00
azv
9b337ad8e5 0032874: IsParallel() method of Extrema_ExtCC does not give same results in OCC 7.6.0 vs OCC 7.5.0
Improve tolerance criteria to check values of extremas for equality: use multiplier, which depends on the value, instead of magic number
2022-03-21 19:11:50 +03:00
vro
acce2c1448 0032796: Modeling Data - Calculation of distance between two circles crashes
Modified:
- Extrema_ExtCC.cxx, the method PrepareParallelResult() - angular tolerance is increased.

Added:
- A test: lowalgos extcc bug32796
2022-03-05 17:33:56 +03:00
aml
7109a4ae58 0032806: Coding - get rid of unused headers [Contap to Extrema] 2022-01-28 18:30:32 +03:00
ifv
4391df896c 0026269: Modeling Data - Analytical extrema does not take into account trimmed input data
Treatment of trimmed data is added
Extrema/Extrema_ExtCC.cxx

Test cases added
tests/lowalgos/extcc/bug26269_1
tests/lowalgos/extcc/bug26269_2

Test cases are modified according to new behavior of algorithm
2021-09-03 20:19:56 +03:00
kgv
d6e050ac44 0032008: Modeling Algorithms - disallow implicit copy of Extrema algorithms
Extrema_GenExtPS now prefers resizing of Array2 tables instead of managing tables by extra handles.
Removed unsafe casts to Adaptor3d_SurfacePtr/Adaptor3d_CurvePtr in Extrema classes.
Removed unsafe casts to curve adaptors in Extrema_ExtCC, Extrema_ExtCC2d classes.

Extrema_GenExtPS, Extrema_GenExtSS, Extrema_ExtCS -
copies by value are now disallowed;
several unexpected places copying the object have been fixed.

IntTools_Context - maps of void* have been replaced by typed maps.
2021-03-05 17:31:07 +03:00
mkrylova
d533dafb56 0031035: Coding - uninitialized class fields reported by Visual Studio Code Analysis
Added initialization of fields that had not initialization
Added default constructors to classes without constructors
2020-07-23 16:08:20 +03:00
azv
d6e18114eb 0031407: [Regression to 7.3.0] Extrema does not process parallel circles correctly
Use correct ranges of circles when processing the concentric case. Repeat the range comparison 3 times shifting each time for a half-period to process the extrema between boundary points of arcs.
2020-03-06 16:05:19 +03:00
msv
ce64c9ad5e 0030778: [Regression to 7.3.0] Extrema raises exception StdFail_InfiniteSolutions
The exception StdFail_InfiniteSolutions has been suppressed in all Points() methods.
2019-09-06 18:26:44 +03:00
nbv
638ad7f3c5 0029712: Extrema algorithm raises exception
1. Extrema algorithm calls Curve-surface intersector. This intersector returns flag about infinite solution (in spite of extrema's returning not-parallel status correctly - axes of considered cylinder and circle are not parallel). In this case, attempt of obtaining number of intersection points leads to exception.

So, the fix adds check of infinite solution after the intersection algorithm.

2. The methods IsDone(), IsParallel(), NbExt(), SquareDistance() and Points() (of Extrema_* classes) have been corrected to make them consistent to the documentation.

3. Revision of some Extrema_* classes has been made in order to avoid places with uninitialized variables.

4. Currently Extrema does not store any points in case when the arguments are parallel. It stores the distance only.

5. Some cases on Extrema-algo have been moved from "fclasses"-group to "modalg"-group.
2018-06-14 14:03:05 +03:00
ski
9775fa6110 0026937: Eliminate NO_CXX_EXCEPTION macro support
Macro NO_CXX_EXCEPTION was removed from code.
Method Raise() was replaced by explicit throw statement.
Method Standard_Failure::Caught() was replaced by normal C++mechanism of exception transfer.
Method Standard_Failure::Caught() is deprecated now.
Eliminated empty constructors.
Updated samples.
Eliminate empty method ChangeValue from NCollection_Map class.
Removed not operable methods from NCollection classes.
2017-02-02 16:35:54 +03:00
nbv
836d7b64ba 0026674: Performance regression in BRepExtrema_DistShapeShape in OCCT 6.9.0 in compare with OCCT 6.7.1
Creation the test case for current issue.

Added flag for single extrema computation. Now implemented only for parametric solver GenExtCC.
Default behavior of curve/curve solver in distmini command changed to "find one solution".
2015-09-17 17:01:29 +03:00
abv
42cf5bc1ca 0024002: Overall code and build procedure refactoring -- automatic
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl":
- WOK-generated header files from inc and sources from drv are moved to src
- CDL files removed
- All packages are converted to nocdlpack
2015-07-12 07:42:38 +03:00
aml
20a216fe6f 0026075: Make Extrema_GenExtCC return IsParallel flag in case of parallel curves
1) Added check for parallel curves.
2) Changed unefficient o(n^2) duplicates deleting algorithm to o(n) algorithm.
3) Deleted useless upper level duplicates deleting algorithm.

Test-case for issue #26075
2015-06-04 14:14:52 +03:00
aml
5493d33411 0025004: Extrema curve/curve incorrect result
Fixed bug in extrema clustering algorithm.
Tolerances changing is available now.
Testcase with Branin function added.

Test cases for issue CR25004
2014-07-03 17:11:20 +04:00
aml
4bbaf12b67 0024608: Development of methods of global optimization of multivariable function
math_GlobOptMin - new global optimization minimization algorithm
Extrema_GlobOptFuncCC, Extrema_ExtCC, Extrema_ExtCC2d - implementation of GlobOptMin algorithm to extrema curve / curve
Extrema_CurveCache - deleted as obsolete code
ChFi3d_Builder.cxx  - fixed processing of extrema
math_NewtonMinimum.cxx - fixed step to avoid incorrect behavior
Test cases modification to meet new behavior.
2014-05-15 17:51:44 +04:00
dln
0b85f9a605 0024761: Convertation of the generic classes to the non-generic. Part 5
1) Generic class "GccEnt_QualifiedCurv" from "GccEnt" package converted to the non-generic class and moved to the "Geom2dGcc" package. Name of this class was changed to "Geom2dGcc_QCurve".

2) Generic classes "HatchGen_ElementGen", "HatchGen_ElementsGen", "HatchGen_HatchingGen" and "HatchGen_Hatcher" from "HatchGen" package converted to the non-generic classes and moved to the "Geom2dHatch" package. Names of this classes were changed to "Geom2dHatch_Element", "Geom2dHatch_Elements", "Geom2dHatch_Hatching" and "Geom2dHatch_Hatcher". Also all instantiations of the "internal" classes of this classes were moved to the "Geom2dHatch.cdl".

3) Generic classes "Extrema_GExtCC", "Extrema_GExtCC2d", "Extrema_GLocateExtCC" and "Extrema_GLocateExtCC2d" from "Extrema" package converted to the non-generic classes. Names of this classes were changed to "Extrema_ExtCC", "Extrema_ExtCC2d", "Extrema_LocateExtCC" and "Extrema_LocateExtCC2d". Also all instantiations of the "internal" classes of this classes were moved to the "Extrema.cdl".
2014-04-04 12:57:39 +04:00