mv fct def fom h to cpp

Sample/Aggregate/ParticleLayout.cpp

@@ -68,6 +68,11 @@ void ParticleLayout::addParticle(const IParticle& particle, double abundance, co
     addAndRegisterAbstractParticle(particle_clone);
 }
 
+const std::vector<std::unique_ptr<IParticle>>& ParticleLayout::particles() const
+{
+    return m_particles;
+}
+
 const IInterference* ParticleLayout::interferenceFunction() const
 {
     return m_interparticle.get();

Sample/Aggregate/ParticleLayout.h

@@ -43,7 +43,7 @@ public:
     void addParticle(const IParticle& particle, double abundance = -1.0, R3 position = {},
                      const IRotation& rotation = IdentityRotation());
 
-    const std::vector<std::unique_ptr<IParticle>>& particles() const { return m_particles; }
+    const std::vector<std::unique_ptr<IParticle>>& particles() const;
 
     const IInterference* interferenceFunction() const;