add fill for cumatrix

1 files changed, 20 insertions, 5 deletions

diff --git a/matrix/generic/cumatrix.c b/matrix/generic/cumatrix.c
index ae57b21..aa303d4 100644
--- a/matrix/generic/cumatrix.c
+++ b/matrix/generic/cumatrix.c
@@ -55,15 +55,17 @@ static int nerv_matrix_(mul)(lua_State *L) {
     Matrix *c = luaT_checkudata(L, 1, nerv_matrix_(tname));
     Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
     Matrix *b = luaT_checkudata(L, 3, nerv_matrix_(tname));
+    MATRIX_ELEM alpha = luaL_checknumber(L, 4);
+    MATRIX_ELEM beta = luaL_checknumber(L, 5);
     int nargs = lua_gettop(L);
-    int ta = nargs > 3 ? nerv_matrix_(get_cublas_op)(*luaL_checkstring(L, 4)) \
+    int ta = nargs > 5 ? nerv_matrix_(get_cublas_op)(*luaL_checkstring(L, 6)) \
                             : CUBLAS_OP_N;
-    int tb = nargs > 4 ? nerv_matrix_(get_cublas_op)(*luaL_checkstring(L, 5)) \
+    int tb = nargs > 6 ? nerv_matrix_(get_cublas_op)(*luaL_checkstring(L, 7)) \
                             : CUBLAS_OP_N;
     printf("%d %d\n", ta, tb);
     if (a->ncol != b->nrow)
         nerv_error(L, "Wrong dimension of multipliers");
-    MATRIX_ELEM alpha = 1.0f, beta = 0.0f;
+/*    MATRIX_ELEM alpha = 1.0f, beta = 0.0f; */
     NERV_CUBLAS_(gemm)(cublas_handle, tb, ta,
                 b->ncol, a->nrow, b->nrow,
                 &alpha,
@@ -131,10 +133,22 @@ static int nerv_matrix_(add_row)(lua_State *L) {
     Matrix *a = luaT_checkudata(L, 2, nerv_matrix_(tname));
     Matrix *b = luaT_checkudata(L, 1, nerv_matrix_(tname));
     double beta = luaL_checknumber(L, 3);
+    if (a->ncol != b->ncol)
+        nerv_error(L, "the number of columns is not the same");
+    if (a->nrow != 1)
+        nerv_error(L, "a row vector is expected");
     cudak_(cuda_add_row)(a, b, beta);
     return 0;
 }
 
+static int nerv_matrix_(fill)(lua_State *L) {
+    Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
+    double val = luaL_checknumber(L, 2);
+    cudak_(cuda_fill)(self, val);
+    return 0;
+}
+
+
 extern const char *MATRIX_CUMATRIX_HOST_TNAME;
 static int nerv_matrix_(copy_from)(lua_State *L) {
     Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
@@ -162,8 +176,6 @@ static int nerv_matrix_(copy_to)(lua_State *L) {
 
 
 static const luaL_Reg nerv_matrix_(extra_methods)[] = {
-    {"add", nerv_matrix_(add)},
-    {"mul", nerv_matrix_(mul)},
     {"create", nerv_matrix_(create)},
     {"sigmoid", nerv_matrix_(sigmoid)},
     {"softmax", nerv_matrix_(softmax)},
@@ -173,7 +185,10 @@ static const luaL_Reg nerv_matrix_(extra_methods)[] = {
     {"copy_from", nerv_matrix_(copy_from)},
     {"copy_to", nerv_matrix_(copy_to)},
     /* in-place calc */
+    {"add", nerv_matrix_(add)},
+    {"mul", nerv_matrix_(mul)},
     {"add_row", nerv_matrix_(add_row)},
+    {"fill", nerv_matrix_(fill)},
     {NULL, NULL}
 };