#ifdef NERV_GENERIC_MATRIX
#include "../../lib/common.h"
#include "../../lib/matrix/generic/matrix.h"
extern const char *nerv_matrix_(tname);
extern const char *MATRIX_BASE_TNAME;
int nerv_matrix_(lua_new)(lua_State *L) {
Status status;
Matrix *self = nerv_matrix_(create)(luaL_checkinteger(L, 1),
luaL_checkinteger(L, 2), &status);
NERV_LUA_CHECK_STATUS(L, status);
luaT_pushudata(L, self, nerv_matrix_(tname));
return 1;
}
int nerv_matrix_(lua_destroy)(lua_State *L) {
Status status;
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
nerv_matrix_(destroy)(self, &status);
NERV_LUA_CHECK_STATUS(L, status);
return 1;
}
int nerv_matrix_(lua_get_elem)(lua_State *L);
int nerv_matrix_(lua_set_elem)(lua_State *L);
static int nerv_matrix_(lua_newindex)(lua_State *L) {
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
if (lua_isnumber(L, 2))
{
int idx = luaL_checkinteger(L, 2);
if (self->dim == 1)
{
if (idx < 0 || idx >= self->ncol)
nerv_error(L, "index must be within range [0, %d)", self->ncol);
MATRIX_DATA_WRITE(L, MATRIX_ELEM_PTR(self), idx,
luaL_checknumber(L, 3));
}
else
nerv_error(L, "cannot assign to row vector");
lua_pushboolean(L, 1);
return 1;
}
else
{
lua_pushboolean(L, 0);
return 1;
}
}
static int nerv_matrix_(lua_index)(lua_State *L) {
Status status;
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
if (lua_isnumber(L, 2))
{
int idx = luaL_checkinteger(L, 2);
if (self->dim == 1)
{
if (idx < 0 || idx >= self->ncol)
nerv_error(L, "index must be within range [0, %d)", self->ncol);
lua_pushnumber(L, MATRIX_DATA_READ(L, MATRIX_ELEM_PTR(self), idx));
}
else
{
if (idx < 0 || idx >= self->nrow)
nerv_error(L, "index must be within range [0, %d)", self->nrow);
luaT_pushudata(L, nerv_matrix_(getrow)(self, idx),
nerv_matrix_(tname));
}
lua_pushboolean(L, 1);
return 2;
}
else
{
lua_pushboolean(L, 0);
return 1;
}
}
static int nerv_matrix_(lua_ncol)(lua_State *L) {
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
lua_pushinteger(