important doc updates for core, cluster, and neighbors

docs/source/cpp_api.rst

@@ -9,11 +9,12 @@ RAFT C++ API Reference
    :maxdepth: 4
 
    cpp_api/core.rst
-   cpp_api/clustering.rst
+   cpp_api/cluster.rst
+   cpp_api/distance.rst
    cpp_api/linalg.rst
    cpp_api/matrix.rst
-   cpp_api/optimization.rst
+   cpp_api/neighbors.rst
+   cpp_api/solver.rst
    cpp_api/random.rst
-   cpp_api/spatial.rst
    cpp_api/sparse.rst
    cpp_api/stats.rst

docs/source/cpp_api/clustering.rst → docs/source/cpp_api/cluster.rst

@@ -1,7 +1,7 @@
-Clustering
-==========
+Cluster
+=======
 
-This page provides C++ class references for the publicly-exposed elements of the clustering package.
+This page provides C++ class references for the publicly-exposed elements of the cluster package.
 
 .. doxygennamespace:: raft::cluster
     :project: RAFT

docs/source/cpp_api/distance.rst

@@ -0,0 +1,10 @@
+Distance
+========
+
+This page provides C++ class references for the publicly-exposed elements of the distance package.
+
+Distance
+########
+
+.. doxygennamespace:: raft::distance
+    :project: RAFT

docs/source/cpp_api/neighbors.rst

@@ -0,0 +1,43 @@
+Neighbors
+=========
+
+This page provides C++ class references for the publicly-exposed elements of the neighbors package.
+
+
+Brute-force
+-----------
+
+.. doxygennamespace:: raft::neighbors::brute_force
+    :project: RAFT
+
+
+IVF-Flat
+--------
+
+.. doxygennamespace:: raft::neighbors::ivf_flat
+    :project: RAFT
+    :members:
+
+
+IVF-PQ
+--------
+
+.. doxygennamespace:: raft::neighbors::ivf_pq
+    :project: RAFT
+    :members:
+
+
+Epsilon Neighborhood
+--------------------
+
+.. doxygennamespace:: raft::neighbors::epsilon_neighborhood
+    :project: RAFT
+    :members:
+
+
+Random Ball Cover
+-----------------
+
+.. doxygennamespace:: raft::neighbors::ball_cover
+    :project: RAFT
+    :members: