kad_node_t *kann_layer_gru2(int *offset, kad_node_t **par, kad_node_t *in, kad_node_t *h0, int rnn_flag);
/* operations on network with a single input node and a single output node */
-int kann_train_fnn1(kann_t *ann, float lr, int mini_size, int max_epoch, int max_drop_streak, float frac_val, int n, float **_x, float **_y);
+typedef void (*kann_train_cb)(int iter, float train_cost, float val_cost, void *ud);
+int kann_train_fnn1(kann_t *ann, float lr, int mini_size, int max_epoch,
+ int max_drop_streak, float frac_val, int n,
+ float **_x, float **_y, kann_train_cb cb, void *ud);
float kann_cost_fnn1(kann_t *a, int n, float **x, float **y);
const float *kann_apply1(kann_t *a, float *x);
LUA_FUNCTION_DEF (kann, load);
LUA_FUNCTION_DEF (kann, destroy);
LUA_FUNCTION_DEF (kann, save);
-LUA_FUNCTION_DEF (kann, train);
-LUA_FUNCTION_DEF (kann, forward);
+LUA_FUNCTION_DEF (kann, train1);
+LUA_FUNCTION_DEF (kann, apply1);
static luaL_reg rspamd_kann_m[] = {
LUA_INTERFACE_DEF (kann, save),
- LUA_INTERFACE_DEF (kann, train),
- LUA_INTERFACE_DEF (kann, forward),
+ LUA_INTERFACE_DEF (kann, train1),
+ LUA_INTERFACE_DEF (kann, apply1),
{"__gc", lua_kann_destroy},
{NULL, NULL},
};
}
static int
-lua_kann_train (lua_State *L)
+lua_kann_train1 (lua_State *L)
{
kann_t *k = lua_check_kann (L, 1);
}
static int
-lua_kann_forward (lua_State *L)
+lua_kann_apply1 (lua_State *L)
{
kann_t *k = lua_check_kann (L, 1);
- g_assert_not_reached (); /* TODO: implement */
+ if (k && lua_istable (L, 2)) {
+ gsize vec_len = rspamd_lua_table_size (L, 2);
+ float *vec = (float *)g_malloc (sizeof (float) * vec_len);
+ int i_out;
+
+ for (gsize i = 0; i < vec_len; i ++) {
+ lua_rawgeti (L, 2, i + 1);
+ vec[i] = lua_tonumber (L, -1);
+ lua_pop (L, 1);
+ }
+
+ i_out = kann_find (k, KANN_F_OUT, 0);
+
+ if (i_out <= 0) {
+ g_free (vec);
+ return luaL_error (L, "invalid ANN: output layer is missing or is "
+ "at the input pos");
+ }
+
+ kann_set_batch_size (k, 1);
+ kann_feed_bind (k, KANN_F_IN, 0, &vec);
+ kad_eval_at (k->n, k->v, i_out);
+
+ gsize outlen = kad_len (k->v[i_out]);
+ lua_createtable (L, outlen, 0);
+
+ for (gsize i = 0; i < outlen; i ++) {
+ lua_pushnumber (L, k->v[i_out]->x[i]);
+ lua_rawseti (L, -2, i + 1);
+ }
+
+ g_free (vec);
+ }
+ else {
+ return luaL_error (L, "invalid arguments: rspamd{kann} expected");
+ }
+
+ return 1;
}
\ No newline at end of file