sdrangel/wdsp/bldr.hpp

84 wiersze
2.0 KiB
C++

/* lmath.h
This file is part of a program that implements a Software-Defined Radio.
Copyright (C) 2015, 2023 Warren Pratt, NR0V
Copyright (C) 2024 Edouard Griffiths, F4EXB Adapted to SDRangel
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 2
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
The author can be reached by email at
warren@wpratt.com
*/
#ifndef wdsp_bldr_h
#define wdsp_bldr_h
#include "export.h"
namespace WDSP {
class WDSP_API BLDR
{
public:
float* catxy;
float* sx;
float* sy;
float* h;
int* p;
int* np;
float* taa;
float* tab;
float* tag;
float* tad;
float* tbb;
float* tbg;
float* tbd;
float* tgg;
float* tgd;
float* tdd;
float* A;
float* B;
float* C;
float* D;
float* E;
float* F;
float* G;
float* MAT;
float* RHS;
float* SLN;
float* z;
float* zp;
float* wrk;
int* ipiv;
static BLDR* create_builder(int points, int ints);
static void destroy_builder(BLDR *a);
static void flush_builder(BLDR *a, int points, int ints);
static void xbuilder(BLDR *a, int points, float* x, float* y, int ints, float* t, int* info, float* c, float ptol);
private:
static int fcompare(const void* a, const void* b);
static void decomp(int n, float* a, int* piv, int* info, float* wrk);
static void dsolve(int n, float* a, int* piv, float* b, float* x);
static void cull(int* n, int ints, float* x, float* t, float ptol);
};
} // namespace WDSP
#endif