annotate maths/MathAliases.h @ 487:5998ee1042d3

Use M_PI
author Chris Cannam <cannam@all-day-breakfast.com>
date Fri, 31 May 2019 16:33:55 +0100
parents fa407c1d9923
children 701233f8ed41
rev   line source
c@241 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
c@241 2
c@241 3 /*
c@241 4 QM DSP Library
c@241 5
c@241 6 Centre for Digital Music, Queen Mary, University of London.
c@309 7 This file 2005-2006 Christian Landone.
c@309 8
c@309 9 This program is free software; you can redistribute it and/or
c@309 10 modify it under the terms of the GNU General Public License as
c@309 11 published by the Free Software Foundation; either version 2 of the
c@309 12 License, or (at your option) any later version. See the file
c@309 13 COPYING included with this distribution for more information.
c@241 14 */
c@241 15
c@241 16 #ifndef MATHALIASES_H
c@241 17 #define MATHALIASES_H
c@241 18
c@241 19 #include <cmath>
c@241 20 #include <complex>
c@241 21
cannam@487 22 #define TWO_PI (2. * M_PI)
c@241 23
cannam@487 24 #define EPS 2.2204e-016
c@241 25
c@241 26 /* aliases to math.h functions */
cannam@477 27 #define EXP exp
cannam@477 28 #define COS cos
cannam@477 29 #define SIN sin
cannam@477 30 #define ABS fabs
cannam@477 31 #define POW powf
cannam@477 32 #define SQRT sqrtf
cannam@477 33 #define LOG10 log10f
cannam@477 34 #define LOG logf
cannam@477 35 #define FLOOR floorf
cannam@477 36 #define TRUNC truncf
c@241 37
cannam@487 38 typedef std::complex<double> ComplexData;
cannam@487 39
c@241 40 /* aliases to complex.h functions */
c@241 41 /** sample = EXPC(complex) */
cannam@477 42 #define EXPC cexpf
c@241 43 /** complex = CEXPC(complex) */
cannam@477 44 #define CEXPC cexp
c@241 45 /** sample = ARGC(complex) */
cannam@477 46 #define ARGC cargf
c@241 47 /** sample = ABSC(complex) norm */
cannam@477 48 #define ABSC cabsf
c@241 49 /** sample = REAL(complex) */
cannam@477 50 #define REAL crealf
c@241 51 /** sample = IMAG(complex) */
cannam@477 52 #define IMAG cimagf
c@241 53
c@241 54 #endif