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Diffstat (limited to 'ndarray.h')
-rw-r--r-- | ndarray.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/ndarray.h b/ndarray.h deleted file mode 100644 index db58254..0000000 --- a/ndarray.h +++ /dev/null @@ -1,69 +0,0 @@ -/* - * N-dimensional strided array - * Copyright 2018 Anton Khirnov <anton@khirnov.net> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ - -#ifndef MG2D_NDARRAY_H -#define MG2D_NDARRAY_H - -#include <stddef.h> -#include <stdint.h> - -typedef struct Slice { - ptrdiff_t start; - ptrdiff_t end; - ptrdiff_t step; -} Slice; - -#define SLICE(start, end, step) ((Slice){ start, end, step }) -#define SLICE_NULL ((Slice){ PTRDIFF_MAX }) - -typedef struct NDArrayInternal NDArrayInternal; - -typedef struct NDArray { - NDArrayInternal *priv; - - unsigned int dims; - - double *data; - const size_t *shape; - const ptrdiff_t *stride; -} NDArray; - -#define NDARRAY_ALLOC_ZERO (1 << 0) - -#define NDIDX1D(arr, x) ((arr)->stride[0] * (x)) -#define NDIDX2D(arr, x, y) ((arr)->stride[0] * (y) + (arr)->stride[1] * (x)) -#define NDIDX3D(arr, x, y, z) ((arr)->stride[0] * (z) + (arr)->stride[1] * (y) + (arr)->stride[0] * (x)) - -#define NDPTR1D(arr, x) ((arr)->data + NDIDX1D(arr, x)) -#define NDPTR2D(arr, x, y) ((arr)->data + NDIDX2D(arr, x, y)) -#define NDPTR3D(arr, x, y, z) ((arr)->data + NDIDX2D(arr, x, y, z)) - -int mg2di_ndarray_alloc(NDArray **result, unsigned int dims, - const size_t * const size, unsigned int flags); -void mg2di_ndarray_free(NDArray **a); - -int mg2di_ndarray_wrap(NDArray **result, unsigned int dims, - const size_t * const size, double *data, - const ptrdiff_t * const strides); - -int mg2di_ndarray_slice(NDArray **result, NDArray *src, - const Slice * const slice); - -int mg2di_ndarray_copy(NDArray *dst, const NDArray *src); - -#endif // MG2D_ARRAY_H |