add namespaces and cmakelists for sub-dirs

src/motions/sixsitejump.cpp

@@ -0,0 +1,34 @@
+#include "sixsitejump.h"
+#include "coordinates.h"
+
+namespace motions {
+    SixSiteOctahedron::SixSiteOctahedron(const double delta, const double eta, std::mt19937_64& rng) :
+        BaseMotion(std::string{"SixSiteOctahedral"}, delta, eta, rng) {}
+
+    SixSiteOctahedron::SixSiteOctahedron(std::mt19937_64& rng) : BaseMotion(std::string{"SixSiteOctahedral"}, rng) {}
+
+    void SixSiteOctahedron::initialize() {
+        const auto pos = draw_position();
+        m_corners[0] = omega_q(pos);
+        m_corners[1] = omega_q(rotate(pos, M_PI, 0));
+
+        const double alpha = 2. * M_PI * m_uni_dist(m_rng);
+
+        for (int i = 2; i<6; i++) {
+            auto corner_pos = coordinates::rotate(pos, M_PI_2, alpha + (i-2) * M_PI_2);
+            m_corners[i] = omega_q(corner_pos);
+        }
+        m_initial_omega = SixSiteOctahedron::jump();
+    }
+
+    double SixSiteOctahedron::jump() {
+        m_corner_idx += m_chooser(m_rng);
+        m_corner_idx %= 6;
+
+        return m_corners[m_corner_idx];
+    }
+
+    std::string SixSiteOctahedron::toString() const {
+        return {"SixSiteOctahedral"};
+    }
+}