add basic matrix implementation

1 files changed, 15 insertions, 0 deletions

diff --git a/matrix.lua b/matrix.lua
new file mode 100644
index 0000000..2a70590
--- /dev/null
+++ b/matrix.lua
@@ -0,0 +1,15 @@
+function nerv.FloatMatrix:__tostring__()
+    local ncol = self:ncol()
+    local nrow = self:nrow()
+    local i = 0
+    local res = ""
+    for row = 0, nrow - 1 do
+        for col = 0, ncol - 1 do
+            res = res .. string.format("%f ", self:get_elem(i))
+            i = i + 1
+        end
+        res = res .. "\n"
+    end
+    res = res .. string.format("[Float Matrix %d x %d]", nrow, ncol)
+    return res
+end