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/*
* Grid transfer operators
* 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_TRANSFER_H
#define MG2D_TRANSFER_H
#include <stddef.h>
#include <threadpool.h>
#include "ndarray.h"
enum GridTransferOperator {
GRID_TRANSFER_LAGRANGE_1,
GRID_TRANSFER_LAGRANGE_3,
GRID_TRANSFER_LAGRANGE_5,
GRID_TRANSFER_LAGRANGE_7,
GRID_TRANSFER_FW_1,
GRID_TRANSFER_FW_3,
GRID_TRANSFER_FW_5,
};
typedef struct RegularGrid2D {
size_t size[2];
double step[2];
} RegularGrid2D;
typedef struct GridTransferContext {
void *priv;
TPContext *tp;
int cpuflags;
enum GridTransferOperator op;
RegularGrid2D src;
RegularGrid2D dst;
} GridTransferContext;
GridTransferContext *mg2di_gt_alloc(enum GridTransferOperator op);
int mg2di_gt_init(GridTransferContext *ctx);
void mg2di_gt_free(GridTransferContext **ctx);
int mg2di_gt_transfer(GridTransferContext *ctx,
NDArray *dst, const NDArray *src);
#endif // MG2D_TRANSFER_H
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