add double precision matrix implementation

1 files changed, 3 insertions, 19 deletions

diff --git a/matrix/init.lua b/matrix/init.lua
index 59b8384..d6aab73 100644
--- a/matrix/init.lua
+++ b/matrix/init.lua
@@ -1,4 +1,4 @@
-function nerv.FloatCuMatrix:__tostring__()
+function nerv.Matrix:__tostring__()
     local ncol = self:ncol()
     local nrow = self:nrow()
     local strt = {}
@@ -12,27 +12,11 @@ function nerv.FloatCuMatrix:__tostring__()
         for row = 0, nrow - 1 do
             local rp = self[row]
             for col = 0, ncol - 1 do
-                table.insert(strt, string.format("%f ", rp[col]))
+                table.insert(strt, string.format("%.10f ", rp[col]))
             end
             table.insert(strt, "\n")
         end
     end
-    table.insert(strt, string.format("[Float Matrix %d x %d]", nrow, ncol))
-    return table.concat(strt)
-end
-
-function nerv.FloatMatrix:__tostring__()
-    local ncol = self:ncol()
-    local nrow = self:nrow()
-    local i = 0
-    local strt = {}
-    for row = 0, nrow - 1 do
-        for col = 0, ncol - 1 do
-            table.insert(strt, string.format("%f ", self:get_elem(i)))
-            i = i + 1
-        end
-        table.insert(strt, "\n")
-    end
-    table.insert(strt, string.format("[Float Matrix %d x %d]", nrow, ncol))
+    table.insert(strt, string.format("[Matrix %d x %d]", nrow, ncol))
     return table.concat(strt)
 end