c@241: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ c@241: c@241: /* c@241: QM DSP Library c@241: c@241: Centre for Digital Music, Queen Mary, University of London. c@241: This file copyright 2005-2006 Christian Landone. c@241: All rights reserved. c@241: */ c@241: c@241: #ifndef MATHUTILITIES_H c@241: #define MATHUTILITIES_H c@241: c@241: #include c@241: c@241: class MathUtilities c@241: { c@241: public: c@241: static double round( double x ); c@241: static void getFrameMinMax( const double* data, unsigned int len, double* min, double* max ); c@241: static double mean( const double* src, unsigned int len ); c@241: static double sum( const double* src, unsigned int len ); c@241: static double princarg( double ang ); c@241: static double median( const double* src, unsigned int len ); c@241: static double mod( double x, double y); c@241: static void getAlphaNorm(const double *data, unsigned int len, unsigned int alpha, double* ANorm); c@241: static double getAlphaNorm(const std::vector &data, unsigned int alpha ); c@241: static void circShift( double* data, int length, int shift); c@241: static int getMax( double* data, unsigned int length, double* max ); c@241: static int compareInt(const void * a, const void * b); c@241: }; c@241: c@241: #endif