Adding Kernel PCovC Code

docs/src/references/decomposition.rst

@@ -54,3 +54,19 @@ Kernel PCovR
     .. automethod:: predict
     .. automethod:: inverse_transform
     .. automethod:: score
+
+.. _KPCovC-api:
+
+Kernel PCovC
+------------
+
+.. autoclass:: skmatter.decomposition.KernelPCovC
+    :show-inheritance:
+    :special-members:
+
+    .. automethod:: fit
+    .. automethod:: transform
+    .. automethod:: predict
+    .. automethod:: inverse_transform
+    .. automethod:: decision_function
+    .. automethod:: score

src/skmatter/decomposition/__init__.py

@@ -33,15 +33,20 @@
 """
 
 from ._pcov import _BasePCov
+from ._kpcov import _BaseKPCov
 
 from ._pcovr import PCovR
 from ._pcovc import PCovC
 
 from ._kernel_pcovr import KernelPCovR
+from ._kernel_pcovc import KernelPCovC
+
 
 __all__ = [
     "_BasePCov",
+    "_BaseKPCov",
     "PCovR",
     "PCovC",
     "KernelPCovR",
+    "KernelPCovC",
 ]