Feature: allow user to set settings in form of an Eigen array

similar to many other classes

src/spectrum_generator_settings.cpp

@@ -73,6 +73,12 @@ double Spectrum_generator_settings::get(Settings o) const
    return values.at(o);
 }
 
+Spectrum_generator_settings::Settings_t Spectrum_generator_settings::get() const
+{
+   Settings_t s(&values[0]);
+   return s;
+}
+
 std::string Spectrum_generator_settings::get_description(Settings o) const
 {
    return descriptions.at(o);
@@ -83,6 +89,11 @@ void Spectrum_generator_settings::set(Settings o, double value)
    values.at(o) = value;
 }
 
+void Spectrum_generator_settings::set(const Spectrum_generator_settings::Settings_t& s)
+{
+   std::copy(s.data(), s.data() + s.size(), values.begin());
+}
+
 /**
  * Resets all spectrum generator settings to their defaults.
  *

src/spectrum_generator_settings.hpp

@@ -24,6 +24,7 @@
 #include <array>
 #include <iosfwd>
 #include <string>
+#include <Eigen/Core>
 
 namespace flexiblesusy {
 
@@ -71,11 +72,15 @@ class Spectrum_generator_settings {
       NUMBER_OF_OPTIONS      ///< number of possible options
    };
 
+   using Settings_t = Eigen::Array<double,NUMBER_OF_OPTIONS,1>;
+
    Spectrum_generator_settings();
 
    double get(Settings) const; ///< get value of spectrum generator setting
+   Settings_t get() const;     ///< get all spectrum generator settings
    std::string get_description(Settings) const; ///< get description of spectrum generator setting
    void set(Settings, double); ///< set value of spectrum generator setting
+   void set(const Settings_t&);///< set all spectrum generator settings
    void reset();               ///< resets all settings to their defaults
 
    Loop_corrections get_loop_corrections() const;

test/module.mk

@@ -46,6 +46,7 @@ TEST_SRC := \
 		$(DIR)/test_thread_pool.cpp \
 		$(DIR)/test_threshold_corrections.cpp \
 		$(DIR)/test_threshold_loop_functions.cpp \
+		$(DIR)/test_spectrum_generator_settings.cpp \
 		$(DIR)/test_which.cpp \
 		$(DIR)/test_wrappers.cpp
 
@@ -757,6 +758,9 @@ $(DIR)/test_threshold_corrections.x: $(DIR)/test_threshold_corrections.o $(LIBFL
 $(DIR)/test_threshold_loop_functions.x: $(DIR)/test_threshold_loop_functions.o $(LIBFLEXI) $(filter-out -%,$(LOOPFUNCLIBS)) $(LIBTEST)
 		$(CXX) -o $@ $(call abspathx,$^) $(filter -%,$(LOOPFUNCLIBS)) $(BOOSTTESTLIBS) $(BOOSTTHREADLIBS) $(FLIBS) $(LIBTEST)
 
+$(DIR)/test_spectrum_generator_settings.x: $(DIR)/test_spectrum_generator_settings.o $(LIBFLEXI) $(filter-out -%,$(LOOPFUNCLIBS)) $(LIBTEST)
+		$(CXX) -o $@ $(call abspathx,$^) $(filter -%,$(LOOPFUNCLIBS)) $(BOOSTTESTLIBS) $(BOOSTTHREADLIBS) $(FLIBS) $(LIBTEST)
+
 $(DIR)/test_wrappers.x: $(DIR)/test_wrappers.o $(LIBFLEXI) $(filter-out -%,$(LOOPFUNCLIBS)) $(LIBTEST)
 		$(CXX) -o $@ $(call abspathx,$^) $(filter -%,$(LOOPFUNCLIBS)) $(BOOSTTESTLIBS) $(BOOSTTHREADLIBS) $(FLIBS) $(LIBTEST)
 

test/test_spectrum_generator_settings.cpp

@@ -0,0 +1,34 @@
+#define BOOST_TEST_DYN_LINK
+#define BOOST_TEST_MODULE test_spectrum_generator_settings
+
+#include <boost/test/unit_test.hpp>
+#include "spectrum_generator_settings.hpp"
+
+using namespace flexiblesusy;
+
+BOOST_AUTO_TEST_CASE( test_get )
+{
+   Spectrum_generator_settings s;
+   const auto es = s.get();
+
+   BOOST_REQUIRE_EQUAL(Spectrum_generator_settings::NUMBER_OF_OPTIONS, es.size());
+
+   for (int i = 0; i < Spectrum_generator_settings::NUMBER_OF_OPTIONS; i++) {
+      BOOST_CHECK_EQUAL(s.get(static_cast<Spectrum_generator_settings::Settings>(i)), es(i));
+   }
+}
+
+BOOST_AUTO_TEST_CASE( test_set )
+{
+   const int N = Spectrum_generator_settings::NUMBER_OF_OPTIONS;
+   Spectrum_generator_settings::Settings_t es = Spectrum_generator_settings::Settings_t::Random(N);
+
+   BOOST_REQUIRE_EQUAL(Spectrum_generator_settings::NUMBER_OF_OPTIONS, es.size());
+
+   Spectrum_generator_settings s;
+   s.set(es);
+
+   for (int i = 0; i < Spectrum_generator_settings::NUMBER_OF_OPTIONS; i++) {
+      BOOST_CHECK_EQUAL(s.get(static_cast<Spectrum_generator_settings::Settings>(i)), es(i));
+   }
+}