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#ifdef NERV_GENERIC_MMATRIX
#include "matrix.h"
#include "elem_type.h"
#define MATRIX_DATA_FREE(ptr) free(ptr)
#define MATRIX_DATA_ALLOC(dptr, stride, width, height) \
host_matrix_(alloc)(dptr, stride, width, height)
#define MATRIX_DATA_STRIDE(ncol) (sizeof(MATRIX_ELEM) * (ncol))
#define MATRIX_DATA_WRITE(data, idx, val) (data[idx] = val)
#define MATRIX_DATA_READ(data, idx) (data[idx])
#define MATRIX_BASE_TNAME nerv_matrix_host_tname
#define NERV_GENERIC_MATRIX
#include "../../common.h"
static void host_matrix_(alloc)(MATRIX_ELEM **dptr, size_t *stride,
long width, long height) {
*dptr = (MATRIX_ELEM *)malloc(width * height);
*stride = width;
}
static const luaL_Reg nerv_matrix_(extra_methods)[] = {
};
int nerv_matrix_(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, self->data.f[idx]);
return 1;
}
int nerv_matrix_(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);
self->data.f[idx] = v;
return 0;
}
#include "matrix.c"
#endif
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