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
|
// ----------------------------------------------------------------------------
//
// Copyright (C) 2012-2018 Fons Adriaensen <fons@linuxaudio.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
#ifndef __TIMERS_H
#define __TIMERS_H
#include <math.h>
#include <sys/time.h>
#include <jack/jack.h>
#define tjack_mod ldexp (1e-6f, 32)
inline double tjack_diff (double a, double b)
{
double d, m;
d = a - b;
m = tjack_mod;
while (d < -m / 2) d += m;
while (d >= m / 2) d -= m;
return d;
}
inline double tjack (jack_time_t t, double dt = 0)
{
int32_t u = (int32_t)(t & 0xFFFFFFFFLL);
return 1e-6 * u;
}
#endif
|