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1 | // Copyright (c) 1997-1999 Matra Datavision |
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2 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
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3 | // |
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4 | // This file is part of Open CASCADE Technology software library. |
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5 | // |
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6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
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8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
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11 | // |
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12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
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14 | |
15 | #include <StdFail_NotDone.hxx> |
16 | #include <math_Vector.hxx> |
17 | |
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18 | inline Standard_Boolean math_Powell::IsSolutionReached(math_MultipleVarFunction&) |
19 | { |
20 | return 2.0 * fabs(PreviousMinimum - TheMinimum) <= |
21 | XTol * (fabs(PreviousMinimum) + fabs(TheMinimum) + EPSZ); |
22 | } |
23 | |
24 | inline Standard_Boolean math_Powell::IsDone() const |
25 | { |
26 | return Done; |
27 | } |
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28 | |
29 | inline Standard_OStream& operator<<(Standard_OStream& o, |
30 | const math_Powell& P) |
31 | { |
32 | P.Dump(o); |
33 | return o; |
34 | } |
35 | |
36 | inline const math_Vector& math_Powell::Location() const{ |
37 | StdFail_NotDone_Raise_if(!Done, " "); |
38 | return TheLocation; |
39 | } |
40 | |
41 | |
42 | inline void math_Powell::Location(math_Vector& Loc) const{ |
43 | StdFail_NotDone_Raise_if(!Done, " "); |
44 | Loc = TheLocation; |
45 | } |
46 | |
47 | |
48 | inline Standard_Real math_Powell::Minimum() const{ |
49 | StdFail_NotDone_Raise_if(!Done, " "); |
50 | return TheMinimum; |
51 | } |
52 | |
53 | |
54 | inline Standard_Integer math_Powell::NbIterations() const{ |
55 | StdFail_NotDone_Raise_if(!Done, " "); |
56 | return Iter; |
57 | } |
58 | |