1 files changed, 20 insertions, 1 deletions
diff --git a/nerv/matrix/init.lua b/nerv/matrix/init.lua
index ef2fb6b..cf85004 100644
--- a/nerv/matrix/init.lua
+++ b/nerv/matrix/init.lua
@@ -87,6 +87,17 @@ function nerv.Matrix:__mul__(b)
     return c
 end
 
+--- A wrapper function for `copy_from`
+function nerv.Matrix:copy_to(b, ...)
+    b:copy_from(self, ...)
+end
+
+--- The base class for all device (in-GPU) matrices
+-- @type nerv.CuMatrix
+
+--- A wrapper function for `copy_fromd`
+nerv.CuMatrix.copy_tod = nerv.Matrix.copy_to
+
 --- CUDA float matrices
 -- @type nerv.CuMatrixFloat
 
@@ -127,6 +138,14 @@ end
 -- @type nerv.MMatrix
 
 --- A wrapper function for `copy_fromh`
-function nerv.MMatrix:copy_toh(b, ...)
+nerv.MMatrix.copy_toh = nerv.Matrix.copy_to
+
+--- A wrapper function for `nerv.CuMatrix` copy
+function nerv.MMatrix:copy_fromd(b, ...)
+    b:copy_toh(self, ...)
+end
+
+--- A wrapper function for `nerv.CuMatrix` copy
+function nerv.MMatrix:copy_tod(b, ...)
     b:copy_fromh(self, ...)
 end