adding neat operator<< for SG settings

src/spectrum_generator_settings.cpp

@@ -19,6 +19,7 @@
 #include "spectrum_generator_settings.hpp"
 
 #include <cassert>
+#include <iostream>
 
 namespace flexiblesusy {
 
@@ -113,4 +114,17 @@ void Spectrum_generator_settings::set_two_loop_corrections(
    set(top_pole_qcd_corrections, two_loop_corrections.top_qcd);
 }
 
+std::ostream& operator<<(std::ostream& ostr, const Spectrum_generator_settings& sgs)
+{
+   ostr << "(";
+
+   for (unsigned i = 0; i < Spectrum_generator_settings::NUMBER_OF_OPTIONS; i++) {
+      ostr << sgs.get(static_cast<Spectrum_generator_settings::Settings>(i));
+      if (i < Spectrum_generator_settings::NUMBER_OF_OPTIONS - 1)
+         ostr << ", ";
+   }
+
+   ostr << ")";
+}
+
 } // namespace flexiblesusy

src/spectrum_generator_settings.hpp

@@ -20,6 +20,7 @@
 #define SPECTRUM_GENERATOR_SETTINGS_H
 
 #include "two_loop_corrections.hpp"
+#include <iosfwd>
 
 namespace flexiblesusy {
 
@@ -69,6 +70,8 @@ class Spectrum_generator_settings {
    double values[NUMBER_OF_OPTIONS]; ///< spectrum generator settings
 };
 
+std::ostream& operator<<(std::ostream&, const Spectrum_generator_settings&);
+
 } // namespace flexiblesusy
 
 #endif