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[chuck-blob.git] / v1 / util_math.c
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1 /*----------------------------------------------------------------------------
2 ChucK Concurrent, On-the-fly Audio Programming Language
3 Compiler and Virtual Machine
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/
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.
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.
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 -----------------------------------------------------------------------------*/
25 //-----------------------------------------------------------------------------
26 // name: util_math.h
27 // desc: ...
29 // author: Ge Wang (gewang@cs.princeton.edu)
30 // Perry R. Cook (prc@cs.princeton.edu)
31 // Philip Davidson (philipd@alumni.princeton.edu)
32 //-----------------------------------------------------------------------------
33 #include "util_math.h"
36 // windows / visual c++
37 #ifdef __PLATFORM_WIN32__
40 //-----------------------------------------------------------------------------
41 // name: round()
42 // desc: ...
43 //-----------------------------------------------------------------------------
44 double round( double a )
46 double off = a - (long)a;
47 if( off > .5 ) return (double)(long)a + 1.0;
48 return (double)(long)a;
52 //-----------------------------------------------------------------------------
53 // name: trunc()
54 // desc: ...
55 //-----------------------------------------------------------------------------
56 double trunc( double a )
58 return (double)(long)a;
62 //-----------------------------------------------------------------------------
63 // name: remainder()
64 // desc: ...
65 //-----------------------------------------------------------------------------
66 double remainder( int a, int b )
68 int div = a/b;
69 return a - b*div;
73 #endif