| 46 | */ |
| 47 | |
| 48 | class CMiniBiteOpt : public CBiteOptBase< double > |
| 49 | { |
| 50 | public: |
| 51 | CMiniBiteOpt() |
| 52 | : ParOpt( this ) |
| 53 | { |
| 54 | addSel( MethodSel, "MethodSel" ); |
| 55 | } |
| 56 | |
| 57 | /** |
| 58 | * Function updates dimensionality of *this object. Function does nothing |
| 59 | * if dimensionality has not changed since the last call. This function |
| 60 | * should be called at least once before calling the init() function. |
| 61 | * |
| 62 | * @param aParamCount The number of parameters being optimized. |
| 63 | * @param PopSize0 The number of elements in population to use. If set to |
| 64 | * 0 or negative, the default formula will be used. |
| 65 | */ |
| 66 | |
| 67 | void updateDims( const int aParamCount, const int PopSize0 = 0 ) |
| 68 | { |
| 69 | const int aPopSize = ( PopSize0 > 0 ? PopSize0 : |
| 70 | calcPopSizeBiteOpt( aParamCount )); |
| 71 | |
| 72 | if( aParamCount == ParamCount && aPopSize == PopSize ) |
| 73 | { |
| 74 | return; |
| 75 | } |
| 76 | |
| 77 | initBuffers( aParamCount, aPopSize ); |
| 78 | |
| 79 | ParOpt.updateDims( aParamCount, aPopSize * 4 / 3 ); |
| 80 | } |
| 81 | |
| 82 | /** |
| 83 | * Function initializes *this optimizer. Does not perform objective |
| 84 | * function evaluations. |
| 85 | * |
| 86 | * @param rnd Random number generator. |
| 87 | * @param InitParams If not NULL, initial parameter vector, also used as |
| 88 | * centroid for initial population vectors. |
| 89 | * @param InitRadius Initial radius, multiplier relative to the default |
| 90 | * sigma value. |
| 91 | */ |
| 92 | |
| 93 | void init( CBiteRnd& rnd, const double* const InitParams = NULL, |
| 94 | const double InitRadius = 1.0 ) |
| 95 | { |
| 96 | initCommonVars( rnd ); |
| 97 | |
| 98 | StartSD = 0.25 * InitRadius; |
| 99 | |
| 100 | if( InitParams != NULL ) |
| 101 | { |
| 102 | copyParams( StartParams, InitParams ); |
| 103 | UseStartParams = true; |
| 104 | } |
| 105 |
nothing calls this directly
no outgoing calls
no test coverage detected