add async copy by index; add MMatrixInt

1 files changed, 10 insertions, 3 deletions

diff --git a/matrix/init.lua b/matrix/init.lua
index 0075668..057b085 100644
--- a/matrix/init.lua
+++ b/matrix/init.lua
@@ -2,17 +2,22 @@ function nerv.Matrix:__tostring__()
     local ncol = self:ncol()
     local nrow = self:nrow()
     local strt = {}
-
+    local fmt
+    if self.fmt then
+        fmt = self.fmt
+    else
+        fmt = "%.10f "
+    end
     if nrow == 1 then
         for col = 0, ncol - 1 do
-            table.insert(strt, string.format("%f ", self[col]))
+            table.insert(strt, string.format(fmt, self[col]))
         end
         table.insert(strt, "\n")
     else
         for row = 0, nrow - 1 do
             local rp = self[row]
             for col = 0, ncol - 1 do
-                table.insert(strt, string.format("%.10f ", rp[col]))
+                table.insert(strt, string.format(fmt, rp[col]))
             end
             table.insert(strt, "\n")
         end
@@ -21,6 +26,8 @@ function nerv.Matrix:__tostring__()
     return table.concat(strt)
 end
 
+nerv.MMatrixInt.fmt = "%d "
+
 function nerv.CuMatrix:__add__(b)
     c = self:create()
     c:add(self, b, 1.0, 1.0)