add cumatrix

1 files changed, 38 insertions, 0 deletions

diff --git a/matrix/init.lua b/matrix/init.lua
new file mode 100644
index 0000000..59b8384
--- /dev/null
+++ b/matrix/init.lua
@@ -0,0 +1,38 @@
+function nerv.FloatCuMatrix:__tostring__()
+    local ncol = self:ncol()
+    local nrow = self:nrow()
+    local strt = {}
+
+    if nrow == 1 then
+        for col = 0, ncol - 1 do
+            table.insert(strt, string.format("%f ", 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("%f ", 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))
+    return table.concat(strt)
+end