From 0007a0b0c11fa7c12b228883453368f105a4324b Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Thu, 16 Nov 2017 13:11:07 +0100 Subject: Initial commit. The following code is present: * the basis API * the BiCGSTAB solver * the pseudospectral linear system solver * helper APIs: - threadpool - logging - cpuid --- basis.h | 47 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 basis.h (limited to 'basis.h') diff --git a/basis.h b/basis.h new file mode 100644 index 0000000..b2bcb7c --- /dev/null +++ b/basis.h @@ -0,0 +1,47 @@ +/* + * Basis sets for pseudospectral methods + * Copyright 2017 Anton Khirnov + * + * 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 . + */ + +#ifndef TEUKOLSKY_DATA_BASIS_H +#define TEUKOLSKY_DATA_BASIS_H + +enum BSEvalType { + BS_EVAL_TYPE_VALUE, + BS_EVAL_TYPE_DIFF1, + BS_EVAL_TYPE_DIFF2, +}; + +enum BasisFamily { + BASIS_FAMILY_TB_EVEN, + BASIS_FAMILY_SB_EVEN, + BASIS_FAMILY_SB_ODD, + BASIS_FAMILY_COS, + BASIS_FAMILY_COS_EVEN, + BASIS_FAMILY_COS_4, +}; + +typedef struct BasisSetContext BasisSetContext; + +int tdi_basis_init(BasisSetContext **ctx, enum BasisFamily family, double sf); +void tdi_basis_free(BasisSetContext **ctx); + +double tdi_basis_eval(const BasisSetContext *ctx, enum BSEvalType type, + double coord, unsigned int order); +double tdi_basis_colloc_point(const BasisSetContext *ctx, unsigned int order, + unsigned int idx); + +#endif /* TEUKOLSKY_DATA_BASIS_H */ -- cgit v1.2.3