1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
#ifdef NERV_GENERIC_MMATRIX
#include "../../lib/matrix/generic/matrix.h"
#include "elem_type.h"
#define MATRIX_DATA_WRITE(L, data, idx, val) (data[idx] = val)
#define MATRIX_DATA_READ(L, data, idx) (data[idx])
#define MATRIX_INIT(L) host_matrix_(init)(L)
#define MATRIX_BASE_TNAME nerv_matrix_host_tname
#define NERV_GENERIC_MATRIX
#include "../../lib/common.h"
#include "../../lib/matrix/generic/mmatrix.h"
#include "../../io/chunk_file.h"
#include "string.h"
int nerv_matrix_(lua_get_elem)(lua_State *L) {
Matrix *self = luaT_checkudata(L, 1, nerv_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);
lua_pushnumber(L, MATRIX_ELEM_PTR(self)[idx]);
return 1;
}
int nerv_matrix_(lua_set_elem)(lua_State *L) {
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
int idx = luaL_checkinteger(L, 2);
MATRIX_ELEM v = luaL_checknumber(L, 3);
if (idx < 0 || idx >= self->nmax)
nerv_error(L, "index must be within range [0, %d)", self->nmax);
MATRIX_ELEM_PTR(self)[idx] = v;
return 0;
}
static const luaL_Reg nerv_matrix_(extra_methods)[];
static void host_matrix_(init)(lua_State *L) {
luaN_append_methods(L, nerv_matrix_(extra_methods));
#ifdef MMATRIX_INIT
MMATRIX_INIT(L);
#endif
}
#include "matrix.c"
int nerv_matrix_(lua_load)(lua_State *L) {
Status status;
ChunkData *cdp = luaT_checkudata(L, 1, nerv_chunk_data_tname);
Matrix *self = nerv_matrix_(load)(cdp, &status);
NERV_LUA_CHECK_STATUS(L, status);
luaT_pushudata(L, self, nerv_matrix_(tname));
return 1;
}
int nerv_matrix_(lua_save)(lua_State *L) {
Status status;
ChunkFile *cfp = luaT_checkudata(L, 2,
nerv_chunk_file_handle_tname);
Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
nerv_matrix_(save)(self, cfp, &status);
NERV_LUA_CHECK_STATUS(L, status);
return 0;
}
int nerv_matrix_(lua_copy_from)(lua_State *L) {
Status status;
Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
const Matrix *b = luaT_checkudata(L, 2, nerv_matrix_(tname));
int nargs = lua_gettop(L);
int b_begin = nargs > 2 ? luaL_checkinteger(L, 3) : 0;
int b_end = nargs > 3 ? luaL_checkinteger(L, 4) : b->nrow;
int a_begin = nargs > 4 ? luaL_checkinteger(L, 5) : 0;
nerv_matrix_(copy_from)(a, b, a_begin, b_begin, b_end, &status);
NERV_LUA_CHECK_STATUS(L, status);
return 0;
}
static const luaL_Reg nerv_matrix_(extra_methods)[] = {
{"load", nerv_matrix_(lua_load)},
{"save", nerv_matrix_(lua_save)},
{"copy_from", nerv_matrix_(lua_copy_from)},
{NULL, NULL}
};
#endif
|