1 files changed, 58 insertions, 0 deletions

diff --git a/src/fst.c b/src/fst.c
new file mode 100644
index 0000000..91c022a
--- /dev/null
+++ b/src/fst.c
@@ -0,0 +1,58 @@
+#define FST_C
+
+#include "fst.h"
+
+static void             fst_to_ep(FstCube fst, int *ep);
+
+FstCube
+cube_to_fst(Cube *cube)
+{
+        Cube c;
+        FstCube ret;
+
+        copy_cube(cube, &c);
+        ret.uf_eofb    = index_eofb(&c);
+        ret.uf_eposepe = index_eposepe(&c);
+        ret.uf_coud    = index_coud(&c);
+        ret.uf_cp      = index_cp(&c);
+        copy_cube(cube, &c);
+        transform_cube(fr, &c);
+        ret.fr_eofb    = index_eofb(&c);
+        ret.fr_eposepe = index_eposepe(&c);
+        ret.fr_coud    = index_coud(&c);
+        transform_cube(rd, &c);
+        ret.rd_eofb    = index_eofb(&c);
+        ret.rd_eposepe = index_eposepe(&c);
+        ret.rd_coud    = index_coud(&c);
+
+        return ret;
+}
+
+FstCube
+fst_inverse(FstCube fst)
+{
+        /* TODO */
+}
+
+FstCube
+fst_move(Move m, FstCube fst)
+{
+        /* TODO */
+}
+
+void
+fst_to_cube(FstCube fst, Cube *cube)
+{
+        invindex_eofb((uint64_t)fst.uf_eofb, cube);
+        fst_to_ep(fst, cube->ep);
+        invindex_coud((uint64_t)fst.uf_coud, cube);
+        invindex_cp((uint64_t)fst.uf_cp, cube);
+}
+
+static void
+fst_to_ep(FstCube fst, int *ep)
+{
+        /* TODO */
+}
+
+#endif