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/*
* Basis sets for pseudospectral methods
* Copyright (C) 2016 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 MD_BASIS_H
#define MD_BASIS_H
enum MDBasisEvalType {
MD_BASIS_EVAL_TYPE_VALUE,
MD_BASIS_EVAL_TYPE_DIFF1,
MD_BASIS_EVAL_TYPE_DIFF2,
};
enum MDBasisFamily {
MD_BASIS_FAMILY_TB_EVEN,
MD_BASIS_FAMILY_SB_EVEN,
MD_BASIS_FAMILY_SB_ODD,
MD_BASIS_FAMILY_COS_EVEN,
};
typedef struct MDBasisSetContext MDBasisSetContext;
int md_basis_init(MDBasisSetContext **ctx, enum MDBasisFamily family, double sf);
void md_basis_free(MDBasisSetContext **ctx);
double md_basis_eval(const MDBasisSetContext *ctx, enum MDBasisEvalType type,
double coord, unsigned int order);
double md_basis_colloc_point(const MDBasisSetContext *ctx, unsigned int order,
unsigned int idx);
#endif /* MD_BASIS_H */
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