feat: add test functions (#326)

* feat: add test functions

* ...

Author: be-marc

DESCRIPTION

@@ -116,6 +116,7 @@ Collate:
     'helper.R'
     'local_search.R'
     'mlr_callbacks.R'
+    'mlr_test_functions.R'
     'nds_selection.R'
     'reexport.R'
     'sugar.R'

NAMESPACE

@@ -4,6 +4,7 @@ S3method(as.data.table,ArchiveAsync)
 S3method(as.data.table,ArchiveBatch)
 S3method(as.data.table,DictionaryOptimizer)
 S3method(as.data.table,DictionaryTerminator)
+S3method(as.data.table,DictionaryTestFunction)
 S3method(as_terminator,Terminator)
 S3method(as_terminators,default)
 S3method(as_terminators,list)
@@ -25,6 +26,7 @@ export(Objective)
 export(ObjectiveRFun)
 export(ObjectiveRFunDt)
 export(ObjectiveRFunMany)
+export(ObjectiveTestFunction)
 export(OptimInstance)
 export(OptimInstanceAsync)
 export(OptimInstanceAsyncMultiCrit)
@@ -94,13 +96,16 @@ export(local_search_control)
 export(mlr_callbacks)
 export(mlr_optimizers)
 export(mlr_terminators)
+export(mlr_test_functions)
 export(nds_selection)
 export(oi)
 export(oi_async)
 export(opt)
 export(optimize_async_default)
 export(optimize_batch_default)
 export(opts)
+export(otfun)
+export(otfuns)
 export(shrink_ps)
 export(terminated_error)
 export(tiny_logging)

NEWS.md

@@ -1,5 +1,7 @@
 # bbotk (development version)
 
+* feat: Add `mlr_test_functions` dictionary with well-known 2-D optimization test functions (Branin, Rosenbrock, Himmelblau, Rastrigin, etc.) and sugar functions `otfun()` / `otfuns()`.
+
 # bbotk 1.9.0
 
 * feat: Allow `"learn"` tag (direction=0) alongside minimize/maximize in `Codomain`.