add cumatrix

1 files changed, 3 insertions, 2 deletions

diff --git a/matrix/matrix.c b/matrix/matrix.c
index 3a593e5..0e5f75f 100644
--- a/matrix/matrix.c
+++ b/matrix/matrix.c
@@ -5,8 +5,9 @@
 #define nerv_float_matrix_(NAME) nerv_float_matrix_host_ ## NAME
 #include "generic/matrix.c"
 
+const char *nerv_float_matrix_(tname) = "nerv.FloatMatrix";
 int nerv_float_matrix_(get_elem)(lua_State *L) {
-    Matrix *self = luaT_checkudata(L, 1, nerv_float_matrix_tname);
+    Matrix *self = luaT_checkudata(L, 1, nerv_float_matrix_(tname));
     int idx = luaL_checkinteger(L, 2);
     if (idx < 0 || idx >= self->nmax)
         nerv_error(L, "index must be within range [0, %d)", self->nmax);
@@ -15,7 +16,7 @@ int nerv_float_matrix_(get_elem)(lua_State *L) {
 }
 
 int nerv_float_matrix_(set_elem)(lua_State *L) {
-    Matrix *self = luaT_checkudata(L, 1, nerv_float_matrix_tname);
+    Matrix *self = luaT_checkudata(L, 1, nerv_float_matrix_(tname));
     int idx = luaL_checkinteger(L, 2);
     float v = luaL_checknumber(L, 3);
     long upper = self->nrow * self->ncol;