v2/util_math.h

   1 /*----------------------------------------------------------------------------
   2     ChucK Concurrent, On-the-fly Audio Programming Language
   3       Compiler and Virtual Machine
   4
   5     Copyright (c) 2004 Ge Wang and Perry R. Cook.  All rights reserved.
   6       http://chuck.cs.princeton.edu/
   7       http://soundlab.cs.princeton.edu/
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17     GNU General Public License for more details.
  18
  19     You should have received a copy of the GNU General Public License
  20     along with this program; if not, write to the Free Software
  21     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22     U.S.A.
  23 -----------------------------------------------------------------------------*/
  24
  25 //-----------------------------------------------------------------------------
  26 // name: util_math.h
  27 // desc: a mini-compatibility library for math functions.
  28 //
  29 // author: Ge Wang (gewang@cs.princeton.edu)
  30 //         Perry R. Cook (prc@cs.princeton.edu)
  31 //         Philip Davidson (philipd@alumni.princeton.edu)
  32 // date: Spring 2004
  33 //-----------------------------------------------------------------------------
  34 #ifndef __UTIL_MATH_H__
  35 #define __UTIL_MATH_H__
  36
  37 #include <math.h>
  38
  39 #if defined (__cplusplus) || defined(_cplusplus)
  40 extern "C" {
  41 #endif
  42
  43 #ifdef __PLATFORM_WIN32__
  44
  45     double round( double a );
  46     double trunc( double a );
  47     double remainder( long a, long b );
  48
  49 #endif
  50
  51 // mtof
  52 double mtof( double f );
  53 // ftom
  54 double ftom( double f );
  55 // powtodb
  56 double powtodb( double f );
  57 // rmstodb
  58 double rmstodb( double f );
  59 // dbtopow
  60 double dbtopow( double f );
  61 // dbtorms
  62 double dbtorms( double f );
  63 // nextpow2
  64 unsigned long nextpow2( unsigned long i );
  65 // ensurepow2
  66 unsigned long ensurepow2( unsigned long i );
  67
  68 #if defined (__cplusplus) || defined(_cplusplus)
  69 }
  70 #endif
  71
  72
  73
  74 #endif