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authorDeterminant <[email protected]>2015-06-22 19:01:29 +0800
committerDeterminant <[email protected]>2015-06-22 19:01:29 +0800
commit2497fd9e7a0fae5ee4887890d7a312e0e08a93b8 (patch)
tree382f97575bd2df9ee6abb1662b11b279fc22d72b /matrix/generic/mmatrix.c
parent196e9b48a3541caccdffc5743001cced70667091 (diff)
major change: use luarocks to manage project
Diffstat (limited to 'matrix/generic/mmatrix.c')
-rw-r--r--matrix/generic/mmatrix.c122
1 files changed, 0 insertions, 122 deletions
diff --git a/matrix/generic/mmatrix.c b/matrix/generic/mmatrix.c
deleted file mode 100644
index b0f0791..0000000
--- a/matrix/generic/mmatrix.c
+++ /dev/null
@@ -1,122 +0,0 @@
-#ifdef NERV_GENERIC_MMATRIX
-#include "matrix.h"
-#include "elem_type.h"
-#define MATRIX_DATA_FREE(L, ptr) free(ptr)
-#define MATRIX_DATA_ALLOC(L, dptr, stride, width, height) \
- host_matrix_(alloc)(L, dptr, stride, width, height)
-#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 "../../common.h"
-#include "../../io/chunk_file.h"
-#include "string.h"
-
-static void host_matrix_(alloc)(lua_State *L,
- MATRIX_ELEM **dptr, size_t *stride,
- long width, long height) {
- if ((*dptr = (MATRIX_ELEM *)malloc(width * height)) == NULL)
- nerv_error(L, "mmatrix insufficient memory");
- *stride = width;
-}
-
-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, MATRIX_ELEM_PTR(self)[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);
- 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_(load)(lua_State *L) {
- ChunkData *chunk = luaT_checkudata(L, 1, nerv_chunk_data_tname);
- Matrix *self;
- int i, j;
- long nrow, ncol;
- FILE *fp = chunk->fp;
- if (fscanf(fp, "%ld %ld", &nrow, &ncol) != 2)
- return 0;
- self = nerv_matrix_(new_)(L, nrow, ncol);
- for (i = 0; i < nrow; i++)
- {
- MATRIX_ELEM *row = MATRIX_ROW_PTR(self, i);
- for (j = 0; j < ncol; j++)
- if (fscanf(fp, MATRIX_ELEM_FMT, row + j) != 1)
- {
- free(self);
- return 0;
- }
- }
- luaT_pushudata(L, self, nerv_matrix_(tname));
- return 1;
-}
-
-int nerv_matrix_(save)(lua_State *L) {
- ChunkFileHandle *chunk = luaT_checkudata(L, 2,
- nerv_chunk_file_handle_tname);
- Matrix *self = luaT_checkudata(L, 1, nerv_matrix_(tname));
- int i, j;
- long nrow = self->nrow, ncol = self->ncol;
- FILE *fp = chunk->fp;
- if (fprintf(fp, "%ld %ld\n", nrow, ncol) < 0)
- return 0;
- for (i = 0; i < nrow; i++)
- {
- MATRIX_ELEM *row = MATRIX_ROW_PTR(self, i);
- for (j = 0; j < ncol; j++)
- if (fprintf(fp, MATRIX_ELEM_WRITE_FMT " ", row[j]) < 0)
- return 0;
- if (fprintf(fp, "\n") < 0)
- return 0;
- }
- return 0;
-}
-
-static int nerv_matrix_(copy_from)(lua_State *L) {
- Matrix *a = luaT_checkudata(L, 1, nerv_matrix_(tname));
- 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;
- if (!(0 <= b_begin && b_begin < b_end && b_end <= b->nrow &&
- a_begin + b_end - b_begin <= a->nrow))
- nerv_error(L, "invalid copy interval");
- if (a->ncol != b->ncol)
- nerv_error(L, "matrices should be of the same dimension");
- memmove(MATRIX_ROW_PTR(a, a_begin),
- MATRIX_ROW_PTR(b, b_begin),
- sizeof(MATRIX_ELEM) * b->ncol * (b_end - b_begin));
- return 0;
-}
-
-static const luaL_Reg nerv_matrix_(extra_methods)[] = {
- {"load", nerv_matrix_(load)},
- {"save", nerv_matrix_(save)},
- {"copy_from", nerv_matrix_(copy_from)},
- {NULL, NULL}
-};
-
-#endif