use delegate constructor

Core/Aggregate/InterferenceFunction1DLattice.cpp

@@ -24,7 +24,12 @@
 //! @param length: Lattice length
 //! @param xi: rotation of lattice with respect to x-axis
 InterferenceFunction1DLattice::InterferenceFunction1DLattice(double length, double xi)
-    : m_lattice_params(length, xi), mp_pdf(nullptr), m_na(0)
+    : InterferenceFunction1DLattice(Lattice1DParameters(length, xi))
+{}
+
+InterferenceFunction1DLattice::InterferenceFunction1DLattice(
+    const Lattice1DParameters& lattice_params)
+    : m_lattice_params(lattice_params), mp_pdf(nullptr), m_na(0)
 {
     setName(BornAgain::InterferenceFunction1DLatticeType);
     init_parameters();
@@ -81,14 +86,6 @@ double InterferenceFunction1DLattice::evaluate(const kvector_t q) const
     return result/a;
 }
 
-InterferenceFunction1DLattice::InterferenceFunction1DLattice(
-    const Lattice1DParameters& lattice_params)
-    : m_lattice_params(lattice_params), mp_pdf(nullptr), m_na(0)
-{
-    setName(BornAgain::InterferenceFunction1DLatticeType);
-    init_parameters();
-}
-
 void InterferenceFunction1DLattice::init_parameters()
 {
     registerParameter(BornAgain::Length, &m_lattice_params.m_length).setUnit("nm").setNonnegative();

Core/Aggregate/InterferenceFunction1DLattice.h

@@ -45,7 +45,6 @@ public:
 
 private:
     InterferenceFunction1DLattice(const Lattice1DParameters& lattice_params);
-    //! Registers some class members for later access via parameter pool
     void init_parameters();
 
     Lattice1DParameters m_lattice_params;