blob: 7f7cd0805b0cc2e41cafb0702d4d7156bd70730c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
|
/*
VASP modular - vector assembling signal processor / objects for Max/MSP and PD
Copyright (c) 2002 Thomas Grill (xovo@gmx.net)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
*/
#ifndef __VASP_UTIL_H
#define __VASP_UTIL_H
#include "main.h"
#ifndef PI
#define PI 3.1415926535897932385
#endif
#define BIG 1.e10
#ifdef min
#undef min
#endif
#ifdef max
#undef max
#endif
template<class T>
inline V swap(T &a,T &b) { T c = a; a = b; b = c; }
template<class T>
inline T min(T a,T b) { return a < b?a:b; }
template<class T>
inline T max(T a,T b) { return a > b?a:b; }
template<class T>
T arg(T re,T im)
{
if(re)
return (T)(fmod(atan(im/re)+(re < 0?2*PI:PI),2*PI)-PI);
else
if(im || re) return (T)(im > 0?PI/2:-PI/2);
else return 0;
}
template<class T>
inline T sgn(T x) { return (T)(x?(x < 0?-1:1):0); }
template<class T>
inline T sqabs(T re,T im) { return re*re+im*im; }
#endif
|
