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mirror of https://github.com/lxsang/antd-lua-plugin synced 2024-12-26 17:38:21 +01:00
antd-lua-plugin/lib/ann/net.c
2018-09-19 15:08:49 +02:00

1834 lines
40 KiB
C

/*
This file is part of lfann.
lfann is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
lfann is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with lfann. If not, see <http://www.gnu.org/licenses/>.
Copyright (C) 2009 - 2013 Lucas Hermann Negri
*/
static void priv_push_net(lua_State* L, struct fann* ptr)
{
if(ptr)
{
Object* obj = lua_newuserdata(L, sizeof(Object));
obj->pointer = ptr;
luaL_getmetatable(L, "lfannNeT");
lua_setmetatable(L, -2);
fann_set_error_log((struct fann_error *) ptr, NULL);
}
else
lua_pushnil(L);
}
static int FANN_API priv_callback_handle(struct fann* ann, struct fann_train_data* train,
unsigned int max_epochs, unsigned int epochs_between_reports,
float desired_error, unsigned int epochs)
{
CallbackInfo* ptr = fann_get_user_data(ann);
int ret = 0;
if(ptr)
{
lua_State* L = ptr->L;
int top = lua_gettop(L);
lua_rawgeti(L, LUA_REGISTRYINDEX, ptr->function_ref);
lua_rawgeti(L, LUA_REGISTRYINDEX, ptr->ud_ref);
lua_pushinteger(L, max_epochs);
lua_pushinteger(L, epochs_between_reports);
lua_pushnumber(L, desired_error);
lua_pushinteger(L, epochs);
lua_call(L, 5, 1);
ret = lua_tointeger(L, -1);
lua_settop(L, top);
}
return ret;
}
/* Shared code between network constructors. If anything wrong occours, it
* thows an error.
* The returned array is always valid, and need to be released by the caller. */
static void priv_create_array(lua_State* L, int tbl_index,
unsigned int* ret_n_layers, unsigned int** ret_arr)
{
size_t n_layers;
unsigned int* arr;
size_t i;
#ifdef IDEBUG
fprintf(stderr, "Creating a new Neural Network\n");
#endif
luaL_checktype(L, tbl_index, LUA_TTABLE);
n_layers = lua_objlen(L, tbl_index);
if(n_layers <= 1) luaL_error(L, "Can't create a Neural Network with less than two layers");
/* Allocated the temp array and get the neurons of each layer */
arr = malloc(sizeof(unsigned int) * n_layers);
if(!arr) luaL_error(L, "Couldn't allocate the array");
for(i = 1; i <= n_layers; ++i)
{
lua_pushinteger(L, i);
lua_rawget(L, tbl_index);
if(lua_type(L, -1) == LUA_TNUMBER)
{
arr[i - 1] = lua_tonumber(L, -1);
lua_pop(L, 1);
}
else
{
free(arr);
luaL_error(L, "The number of neurons must be a number");
}
}
/* Return */
*ret_n_layers = n_layers;
*ret_arr = arr;
}
static int lfann_net_create_standard(lua_State* L)
{
struct fann* ptr;
unsigned int n_layers, *arr;
priv_create_array(L, 1, &n_layers, &arr);
ptr = fann_create_standard_array(n_layers, arr);
free(arr);
priv_push_net(L, ptr);
return 1;
}
static int lfann_net_create_sparse(lua_State* L)
{
struct fann* ptr;
unsigned int n_layers, *arr;
priv_create_array(L, 2, &n_layers, &arr);
ptr = fann_create_sparse_array(lua_tonumber(L, 1), n_layers, arr);
free(arr);
priv_push_net(L, ptr);
return 1;
}
static int lfann_net_create_shortcut(lua_State* L)
{
unsigned int n_layers, *arr;
struct fann* ptr;
priv_create_array(L, 1, &n_layers, &arr);
ptr = fann_create_shortcut_array(n_layers, arr);
free(arr);
priv_push_net(L, ptr);
return 1;
}
static int lfann_net_copy(lua_State* L)
{
struct fann* ptr;
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
ptr = fann_copy(obj->pointer);
fann_set_user_data(ptr, NULL);
priv_push_net(L, ptr);
return 1;
}
static int lfann_net_create_from_file(lua_State* L)
{
struct fann* ptr;
luaL_checktype(L, 1, LUA_TSTRING);
ptr = fann_create_from_file(lua_tostring(L, 1));
priv_push_net(L, ptr);
return 1;
}
static int lfann_net_tostring(lua_State* L)
{
Object* obj = lua_touserdata(L, 1);
char name[41];
#ifndef _MSC_VER
snprintf(name, 40, "Neural Network: %p", obj->pointer);
#else
_snprintf(name, 40, "Neural Network: %p", obj->pointer);
#endif
lua_pushstring(L, name);
return 1;
}
static void priv_free_callback(lua_State* L, Object* obj)
{
CallbackInfo* info;
info = fann_get_user_data(obj->pointer);
if(!info) return;
luaL_unref(L, LUA_REGISTRYINDEX, info->function_ref);
luaL_unref(L, LUA_REGISTRYINDEX, info->ud_ref);
free(info);
fann_set_user_data(obj->pointer, NULL);
}
static int lfann_net_gc(lua_State* L)
{
#ifdef IDEBUG
fprintf(stderr, "Garbage collecting a Neural Network\n");
#endif
Object* obj = lua_touserdata(L, 1);
/* Release the callback if present */
priv_free_callback(L, obj);
/* Destroy the network */
fann_destroy(obj->pointer);
return 1;
}
static int lfann_net_print_connections(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
fann_print_connections(obj->pointer);
return 0;
}
static int lfann_net_train_on_file(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
luaL_checktype(L, 5, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_train_on_file(obj->pointer, lua_tostring(L, 2), lua_tointeger(L, 3),
lua_tointeger(L, 4), lua_tonumber(L, 5));
return 0;
}
static int lfann_net_train_on_data(lua_State* L)
{
Object* obj1;
Object* obj2;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TUSERDATA);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
luaL_checktype(L, 5, LUA_TNUMBER);
obj1 = lua_touserdata(L, 1);
obj2 = lua_touserdata(L, 2);
fann_train_on_data(obj1->pointer, obj2->pointer, lua_tointeger(L, 3),
lua_tointeger(L, 4), lua_tonumber(L, 5));
return 0;
}
static int lfann_net_train_epoch(lua_State* L)
{
Object* obj1;
Object* obj2;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TUSERDATA);
obj1 = lua_touserdata(L, 1);
obj2 = lua_touserdata(L, 2);
res = fann_train_epoch(obj1->pointer, obj2->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_save(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
obj = lua_touserdata(L, 1);
res = fann_save(obj->pointer, lua_tostring(L, 2));
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_save_to_fixed(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
obj = lua_touserdata(L, 1);
res = fann_save_to_fixed(obj->pointer, lua_tostring(L, 2));
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_run(lua_State* L)
{
Object* obj;
int n_in;
int n_out;
int i;
fann_type* input;
fann_type* output;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TTABLE);
obj = lua_touserdata(L, 1);
n_in = fann_get_num_input(obj->pointer);
n_out = fann_get_num_output(obj->pointer);
/* Get the input array */
input = malloc(sizeof(fann_type) * n_in);
if(!input) luaL_error(L, "Couldn't allocate the structure");
for(i = 1; i <= n_in; ++i)
{
lua_pushinteger(L, i);
lua_gettable(L, 2);
if(lua_type(L, -1) == LUA_TNUMBER) {
input[i - 1] = lua_tonumber(L, -1);
lua_pop(L, 1);
}
else
{
free(input);
luaL_error(L, "The input must be a number");
}
}
/* Run and release the input array */
output = fann_run(obj->pointer, input);
free(input);
/* Push the result into a table */
lua_newtable(L);
for(i = 1; i <= n_out; ++i)
{
lua_pushinteger(L, i);
lua_pushnumber(L, output[i - 1]);
lua_rawset(L, -3);
}
return 1;
}
static int lfann_net_init_weights(lua_State* L)
{
Object* obj1;
Object* obj2;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TUSERDATA);
obj1 = lua_touserdata(L, 1);
obj2 = lua_touserdata(L, 2);
fann_init_weights(obj1->pointer, obj2->pointer);
return 0;
}
static int lfann_net_randomize_weights(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_randomize_weights(obj->pointer, lua_tonumber(L, 2), lua_tonumber(L, 3));
return 0;
}
static int lfann_net_set_weight(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_weight(obj->pointer, lua_tointeger(L, 2) - 1, lua_tointeger(L, 3) - 1,
lua_tonumber(L, 4));
return 0;
}
static int lfann_net_get_MSE(lua_State* L)
{
Object* obj;
float mse;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
mse = fann_get_MSE(obj->pointer);
lua_pushnumber(L, mse);
return 1;
}
static int lfann_net_get_bit_fail(lua_State* L)
{
Object* obj;
unsigned int bit;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
bit = fann_get_bit_fail(obj->pointer);
lua_pushinteger(L, bit);
return 1;
}
static int lfann_net_reset_MSE(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
fann_reset_MSE(obj->pointer);
return 0;
}
static int lfann_net_set_callback(lua_State* L)
{
Object* obj;
CallbackInfo* info;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
priv_free_callback(L, obj);
if(lua_type(L, 2) == LUA_TFUNCTION)
{
/* User passed the function to call */
luaL_checktype(L, 2, LUA_TFUNCTION);
info = malloc(sizeof(CallbackInfo));
if(!info) luaL_error(L, "Couldn't allocate the structure");
info->L = L;
/* Reference the function */
lua_pushvalue(L, 2);
info->function_ref = luaL_ref(L, LUA_REGISTRYINDEX);
/* Reference the userdata */
lua_pushvalue(L, 3);
info->ud_ref = luaL_ref(L, LUA_REGISTRYINDEX);
fann_set_user_data(obj->pointer, info);
}
fann_set_callback(obj->pointer, priv_callback_handle);
return 0;
}
static int lfann_net_test_data(lua_State* L)
{
Object* obj1;
Object* obj2;
float mse;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TUSERDATA);
obj1 = lua_touserdata(L, 1);
obj2 = lua_touserdata(L, 2);
mse = fann_test_data(obj1->pointer, obj2->pointer);
lua_pushnumber(L, mse);
return 1;
}
static int lfann_net_get_layer_array(lua_State* L)
{
Object* obj;
unsigned int n_layers;
unsigned int* layers;
unsigned int i;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
n_layers = fann_get_num_layers(obj->pointer);
layers = malloc(sizeof(unsigned int) * n_layers);
if(!layers) luaL_error(L, "Couldn't allocate the structure");
fann_get_layer_array(obj->pointer, layers);
lua_newtable(L);
for(i = 1; i <= n_layers; ++i)
{
lua_pushinteger(L, layers[i - 1]);
lua_rawseti(L, -2, i);
}
free(layers);
return 1;
}
static int lfann_net_get_bias_array(lua_State* L)
{
Object* obj;
unsigned int n_layers;
unsigned int* layers;
unsigned int i;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
n_layers = fann_get_num_layers(obj->pointer);
layers = malloc(sizeof(unsigned int) * n_layers);
if(!layers) luaL_error(L, "Couldn't allocate the structure");
fann_get_bias_array(obj->pointer, layers);
lua_newtable(L);
for(i = 1; i <= n_layers; ++i)
{
lua_pushinteger(L, layers[i - 1]);
lua_rawseti(L, -2, i);
}
free(layers);
return 1;
}
static int lfann_net_get_connection_array(lua_State* L)
{
Object* obj;
unsigned int n_conn;
struct fann_connection* conn;
fann_type min_w = 32000, max_w = -32000;
unsigned int i;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
n_conn = fann_get_total_connections(obj->pointer);
conn = malloc(sizeof(struct fann_connection) * n_conn);
if(!conn) luaL_error(L, "Couldn't allocate the structure");
fann_get_connection_array(obj->pointer, conn);
/* get the min and max weights too. evil */
/* build a graph in the form graph[from][to] = [weight] */
lua_newtable(L);
for(i = 0; i < n_conn; ++i)
{
lua_pushinteger(L, conn[i].from_neuron + 1);
lua_rawget(L, -2);
if(lua_isnil(L, -1))
{
/* First connection of the neuron */
lua_pop(L, 1); /* pop the nil */
lua_newtable(L);
/* Set in the main table */
lua_pushinteger(L, conn[i].from_neuron + 1);
lua_pushvalue(L, -2);
lua_rawset(L, -4);
}
lua_pushinteger(L, conn[i].to_neuron + 1);
lua_pushnumber(L, conn[i].weight);
lua_rawset(L, -3);
lua_pop(L, 1); /* Pop the neuron table */
if(conn[i].weight < min_w ) min_w = conn[i].weight;
if(conn[i].weight > max_w) max_w = conn[i].weight;
}
free(conn);
lua_pushnumber(L, min_w);
lua_pushnumber(L, max_w);
return 3;
}
/* parameters */
static int lfann_net_set_training_algorithm(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_training_algorithm(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_training_algorithm(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
lua_pushinteger(L, fann_get_training_algorithm(obj->pointer));
return 1;
}
static int lfann_net_set_learning_rate(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_learning_rate(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_learning_rate(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_learning_rate(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_learning_momentum(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_learning_momentum(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_learning_momentum(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_learning_momentum(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_activation_function(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_function(obj->pointer, lua_tointeger(L, 2),
lua_tointeger(L, 3) - 1, lua_tointeger(L, 4) - 1);
return 0;
}
static int lfann_net_get_activation_function(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
res = fann_get_activation_function(obj->pointer, lua_tointeger(L, 2) - 1,
lua_tointeger(L, 3) - 1);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_activation_function_layer(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_function_layer(obj->pointer, lua_tointeger(L, 2),
lua_tointeger(L, 3) - 1);
return 0;
}
static int lfann_net_set_activation_function_hidden(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_function_hidden(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_set_activation_function_output(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_function_output(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_set_activation_steepness(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_steepness(obj->pointer, lua_tonumber(L, 2),
lua_tointeger(L, 3) - 1, lua_tointeger(L, 4) - 1);
return 0;
}
static int lfann_net_get_activation_steepness(lua_State* L)
{
Object* obj;
fann_type res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
res = fann_get_activation_steepness(obj->pointer, lua_tointeger(L, 2) - 1,
lua_tointeger(L, 3) - 1);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_activation_steepness_layer(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
luaL_checktype(L, 3, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_steepness_layer(obj->pointer, lua_tonumber(L, 2),
lua_tointeger(L, 3) - 1);
return 0;
}
static int lfann_net_set_activation_steepness_hidden(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_steepness_hidden(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_set_activation_steepness_output(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_activation_steepness_output(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_set_train_error_function(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_train_error_function(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_train_error_function(lua_State* L)
{
Object* obj;
int func;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
func = fann_get_train_error_function(obj->pointer);
lua_pushinteger(L, func);
return 1;
}
static int lfann_net_set_train_stop_function(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_train_stop_function(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_train_stop_function(lua_State* L)
{
Object* obj;
int func;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
func = fann_get_train_stop_function(obj->pointer);
lua_pushinteger(L, func);
return 1;
}
static int lfann_net_get_bit_fail_limit(lua_State* L)
{
Object* obj;
fann_type bit;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
bit = fann_get_bit_fail_limit(obj->pointer);
lua_pushnumber(L, bit);
return 1;
}
static int lfann_net_set_bit_fail_limit(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_bit_fail_limit(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_quickprop_decay(lua_State* L)
{
Object* obj;
float bit;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
bit = fann_get_quickprop_decay(obj->pointer);
lua_pushnumber(L, bit);
return 1;
}
static int lfann_net_set_quickprop_decay(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_quickprop_decay(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_quickprop_mu(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_quickprop_mu(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_quickprop_mu(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_quickprop_mu(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_rprop_increase_factor(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_rprop_increase_factor(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_rprop_increase_factor(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_rprop_increase_factor(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_rprop_decrease_factor(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_rprop_decrease_factor(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_rprop_decrease_factor(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_rprop_decrease_factor(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_rprop_delta_min(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_rprop_delta_min(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_rprop_delta_min(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_rprop_delta_min(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_rprop_delta_max(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_rprop_delta_max(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_rprop_delta_max(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_rprop_delta_max(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_rprop_delta_zero(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_rprop_delta_zero(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_rprop_delta_zero(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_rprop_delta_zero(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_print_parameters(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
fann_print_parameters(obj->pointer);
return 0;
}
static int lfann_net_get_num_input(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_num_input(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_num_output(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_num_output(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_total_neurons(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_total_neurons(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_total_connections(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_total_connections(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_network_type(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_network_type(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_connection_rate(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_connection_rate(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_get_num_layers(lua_State* L)
{
Object* obj;
int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_num_layers(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
/* cascade */
static int lfann_net_cascade_train_on_data(lua_State* L)
{
Object* obj1;
Object* obj2;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TUSERDATA);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
luaL_checktype(L, 5, LUA_TNUMBER);
obj1 = lua_touserdata(L, 1);
obj2 = lua_touserdata(L, 2);
fann_cascadetrain_on_data(obj1->pointer, obj2->pointer, lua_tointeger(L, 3),
lua_tointeger(L, 4), lua_tonumber(L, 5));
return 0;
}
static int lfann_net_cascade_train_on_file(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TSTRING);
luaL_checktype(L, 3, LUA_TNUMBER);
luaL_checktype(L, 4, LUA_TNUMBER);
luaL_checktype(L, 5, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_cascadetrain_on_file(obj->pointer, lua_tostring(L, 2), lua_tointeger(L, 3),
lua_tointeger(L, 4), lua_tonumber(L, 5));
return 0;
}
static int lfann_net_get_cascade_output_change_fraction(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_output_change_fraction(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_cascade_output_change_fraction(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_output_change_fraction(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_cascade_output_stagnation_epochs(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_output_stagnation_epochs(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_output_stagnation_epochs(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_output_stagnation_epochs(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_cascade_candidate_stagnation_epochs(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_candidate_stagnation_epochs(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_candidate_stagnation_epochs(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_candidate_stagnation_epochs(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_cascade_candidate_change_fraction(lua_State* L)
{
Object* obj;
float res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_candidate_change_fraction(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_cascade_candidate_change_fraction(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_candidate_change_fraction(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_cascade_weight_multiplier(lua_State* L)
{
Object* obj;
fann_type res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_weight_multiplier(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_cascade_weight_multiplier(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_weight_multiplier(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_cascade_candidate_limit(lua_State* L)
{
Object* obj;
fann_type res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_candidate_limit(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_cascade_candidate_limit(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_candidate_limit(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_cascade_max_out_epochs(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_max_out_epochs(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_max_out_epochs(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_max_out_epochs(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_cascade_max_cand_epochs(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_max_cand_epochs(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_max_cand_epochs(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_max_cand_epochs(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_cascade_num_candidates(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_num_candidates(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_cascade_activation_functions_count(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_activation_functions_count(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_cascade_activation_functions(lua_State* L)
{
Object* obj;
int num;
int* res;
int i;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
num = fann_get_cascade_activation_functions_count(obj->pointer);
res = (int*)fann_get_cascade_activation_functions(obj->pointer);
lua_newtable(L);
for(i = 0; i < num; ++i)
{
lua_pushinteger(L, i + 1);
lua_pushinteger(L, res[i]);
lua_rawset(L, -3);
}
return 1;
}
static int lfann_net_set_cascade_activation_functions(lua_State* L)
{
Object* obj;
int count, i;
int* funcs;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TTABLE);
obj = lua_touserdata(L, 1);
count = lua_objlen(L, 2);
funcs = malloc(sizeof(int) * count);
if(!funcs) luaL_error(L, "Couldn't allocate the structure");
for(i = 1; i <= count; ++i)
{
lua_pushinteger(L, i);
lua_rawget(L, 2);
if(lua_type(L, -1) == LUA_TNUMBER)
{
funcs[i - 1] = lua_tointeger(L, -1);
lua_pop(L, 1);
}
else
{
free(funcs);
luaL_error(L, "The table values must be numbers");
}
}
fann_set_cascade_activation_functions(obj->pointer, (void*)funcs, count);
free(funcs);
return 0;
}
static int lfann_net_get_cascade_num_candidate_groups(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_num_candidate_groups(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_num_candidate_groups(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_num_candidate_groups(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_cascade_activation_steepnesses(lua_State* L)
{
Object* obj;
int num;
fann_type* res;
int i;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
num = fann_get_cascade_activation_steepnesses_count(obj->pointer);
res = fann_get_cascade_activation_steepnesses(obj->pointer);
lua_newtable(L);
for(i = 0; i < num; ++i)
{
lua_pushinteger(L, i + 1);
lua_pushnumber(L, res[i]);
lua_rawset(L, -3);
}
return 1;
}
static int lfann_net_set_cascade_activation_steepnesses(lua_State* L)
{
Object* obj;
int count, i;
fann_type* res;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TTABLE);
obj = lua_touserdata(L, 1);
count = lua_objlen(L, 2), i;
res = malloc(sizeof(fann_type) * count);
if(!res) luaL_error(L, "Couldn't allocate the structure");
for(i = 1; i <= count; ++i)
{
lua_pushinteger(L, i);
lua_rawget(L, 2);
if(lua_type(L, -1) == LUA_TNUMBER)
{
res[i - 1] = lua_tonumber(L, -1);
lua_pop(L, 1);
}
else
{
free(res);
luaL_error(L, "The table values must be numbers");
}
}
fann_set_cascade_activation_steepnesses(obj->pointer, res, count);
free(res);
return 0;
}
static int lfann_net_get_cascade_activation_steepnesses_count(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_activation_steepnesses_count(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_get_cascade_min_out_epochs(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_min_out_epochs(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_min_out_epochs(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_min_out_epochs(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_cascade_min_cand_epochs(lua_State* L)
{
Object* obj;
unsigned int res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_cascade_min_cand_epochs(obj->pointer);
lua_pushinteger(L, res);
return 1;
}
static int lfann_net_set_cascade_min_cand_epochs(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_cascade_min_cand_epochs(obj->pointer, lua_tointeger(L, 2));
return 0;
}
static int lfann_net_get_sarprop_weight_decay_shift(lua_State* L)
{
Object* obj;
double res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_sarprop_weight_decay_shift(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_sarprop_weight_decay_shift(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_sarprop_weight_decay_shift(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_sarprop_step_error_threshold_factor(lua_State* L)
{
Object* obj;
double res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_sarprop_step_error_threshold_factor(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_sarprop_step_error_threshold_factor(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_sarprop_step_error_threshold_factor(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_sarprop_step_error_shift(lua_State* L)
{
Object* obj;
double res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_sarprop_step_error_shift(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_sarprop_step_error_shift(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_sarprop_step_error_shift(obj->pointer, lua_tonumber(L, 2));
return 0;
}
static int lfann_net_get_sarprop_temperature(lua_State* L)
{
Object* obj;
double res;
luaL_checktype(L, 1, LUA_TUSERDATA);
obj = lua_touserdata(L, 1);
res = fann_get_sarprop_temperature(obj->pointer);
lua_pushnumber(L, res);
return 1;
}
static int lfann_net_set_sarprop_temperature(lua_State* L)
{
Object* obj;
luaL_checktype(L, 1, LUA_TUSERDATA);
luaL_checktype(L, 2, LUA_TNUMBER);
obj = lua_touserdata(L, 1);
fann_set_sarprop_temperature(obj->pointer, lua_tonumber(L, 2));
return 0;
}