include/lwpr_math.h

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00001 /*********************************************************************
00002 LWPR: A library for incremental online learning
00003 Copyright (C) 2007  Stefan Klanke, Sethu Vijayakumar
00004 Contact: sethu.vijayakumar@ed.ac.uk
00005 
00006 This library is free software; you can redistribute it and/or
00007 modify it under the terms of the GNU Lesser General Public
00008 License as published by the Free Software Foundation; either 
00009 version 2.1 of the License, or (at your option) any later version.
00010 
00011 This library is distributed in the hope that it will be useful,
00012 but WITHOUT ANY WARRANTY; without even the implied warranty of
00013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014 Library General Public License for more details.
00015 
00016 You should have received a copy of the GNU Lesser General Public
00017 License along with this library; if not, write to the Free
00018 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00019 *********************************************************************/
00020 
00021 
00027 #ifndef __LWPR_MATH_H
00028 #define __LWPR_MATH_H
00029 
00030 #ifdef __cplusplus
00031 extern "C" {
00032 #endif
00033 
00034 
00041 double lwpr_math_norm2(const double *x, int n);
00042 
00050 double lwpr_math_dot_product(const double *a,const double *b,int n);
00051 
00052 
00062 void lwpr_math_scalar_vector(double *y, double a,const double *x,int n);
00063 
00073 void lwpr_math_add_scalar_vector(double *y, double a,const double *x,int n);
00074 
00086 void lwpr_math_scale_add_scalar_vector(double b, double *y, double a,const double *x,int n);
00087 
00107 int lwpr_math_cholesky(int N,int Ns,double *R,const double *A);
00108 
00109 #ifdef __cplusplus
00110 }
00111 #endif
00112 
00113 #endif

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