Scipy: Added support for extra options using GenAlgoOptions

Author: omazapa

math/scipy/inc/Math/ScipyMinimizer.h

@@ -21,8 +21,6 @@
 
 #include "Math/BasicMinimizer.h"
 
-#include "Math/GenAlgoOptions.h"
-
 #include "Rtypes.h"
 #include "TString.h"
 
@@ -75,7 +73,7 @@ class ScipyMinimizer : public BasicMinimizer {
    PyObject *fHessian;
    PyObject *fBoundsMod;
    PyObject *fConstraintsList; /// contraints functions
-   GenAlgoOptions fExtraOpts;
+   GenAlgoOptions *fExtraOpts;
    std::function<bool(const std::vector<double> &, double *)> fHessianFunc;
    unsigned int fConstN;
    unsigned int fCalls;
@@ -140,7 +138,11 @@ class ScipyMinimizer : public BasicMinimizer {
       Copy constructor
    */
    ScipyMinimizer(const ScipyMinimizer &) : BasicMinimizer() {}
-   void SetAlgoExtraOptions();
+
+   /**
+      Get extra options from IOptions
+   */
+   void SetExtraOptions();
 
 public:
    /// method to perform the minimization

math/scipy/src/ScipyMinimizer.cxx

@@ -75,10 +75,9 @@ ScipyMinimizer::ScipyMinimizer() : BasicMinimizer()
    fOptions.SetMinimizerAlgorithm("L-BFGS-B");
    PyInitialize();
    fHessianFunc = nullptr;
-   // set extra options
-   SetAlgoExtraOptions();
    fConstraintsList = PyList_New(0);
    fConstN = 0;
+   fExtraOpts = nullptr;
 }
 
 //_______________________________________________________________________
@@ -89,16 +88,9 @@ ScipyMinimizer::ScipyMinimizer(const char *type)
    fOptions.SetMinimizerAlgorithm(type);
    PyInitialize();
    fHessianFunc = nullptr;
-   // set extra options
-   SetAlgoExtraOptions();
    fConstraintsList = PyList_New(0);
    fConstN = 0;
-}
-
-//_______________________________________________________________________
-void ScipyMinimizer::SetAlgoExtraOptions()
-{
-   SetExtraOptions(fExtraOpts);
+   fExtraOpts = nullptr;
 }
 
 //_______________________________________________________________________
@@ -191,6 +183,13 @@ ScipyMinimizer::~ScipyMinimizer()
       Py_DECREF(fBoundsMod);
 }
 
+//_______________________________________________________________________
+void ScipyMinimizer::SetExtraOptions()
+{
+   auto constExtraOpts = dynamic_cast<const GenAlgoOptions *>(fOptions.ExtraOptions());
+   fExtraOpts = const_cast<GenAlgoOptions *>(constExtraOpts);
+}
+
 //_______________________________________________________________________
 bool ScipyMinimizer::Minimize()
 {
@@ -205,12 +204,23 @@ bool ScipyMinimizer::Minimize()
    }
    auto method = fOptions.MinimizerAlgorithm();
    PyObject *pyoptions = PyDict_New();
-   if (method == "L-BFGS-B") {
-      for (std::string key : fExtraOpts.GetAllRealKeys()) {
+   SetExtraOptions();
+   if (fExtraOpts) {
+      for (std::string key : fExtraOpts->GetAllRealKeys()) {
          double value = 0;
-         fExtraOpts.GetRealValue(key.c_str(), value);
+         fExtraOpts->GetRealValue(key.c_str(), value);
          PyDict_SetItemString(pyoptions, key.c_str(), PyFloat_FromDouble(value));
       }
+      for (std::string key : fExtraOpts->GetAllIntKeys()) {
+         int value = 0;
+         fExtraOpts->GetIntValue(key.c_str(), value);
+         PyDict_SetItemString(pyoptions, key.c_str(), PyLong_FromLong(value));
+      }
+      for (std::string key : fExtraOpts->GetAllNamedKeys()) {
+         std::string value = "";
+         fExtraOpts->GetNamedValue(key.c_str(), value);
+         PyDict_SetItemString(pyoptions, key.c_str(), PyUnicode_FromString(value.c_str()));
+      }
    }
    PyDict_SetItemString(pyoptions, "maxiter", PyLong_FromLong(MaxIterations()));
    if (PrintLevel() > 0) {