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
59
60
61
62
63
|
//
// windowf_example.c
//
// This example demonstrates the functionality of a window buffer (also
// known as a circular or ring buffer) of floating-point values. Values
// are written to and read from the buffer using several different
// methods.
//
// SEE ALSO: bufferf_example.c
// wdelayf_example.c
//
#include <stdio.h>
#include "liquid.h"
int main() {
// initialize vector of data for testing
float v[] = {9, 8, 7, 6, 5, 4, 3, 2, 1, 0};
float *r; // reader
unsigned int i;
// create window: 10 elements, initialized to 0
// w: 0 0 0 0 0 0 0 0 0 0
windowf w = windowf_create(10);
// push 4 elements
// w: 0 0 0 0 0 0 1 1 1 1
windowf_push(w, 1);
windowf_push(w, 1);
windowf_push(w, 1);
windowf_push(w, 1);
// push 4 more elements
// w: 0 0 1 1 1 1 9 8 7 6
windowf_write(w, v, 4);
// push 4 more elements
// w: 1 1 9 8 7 6 3 3 3 3
windowf_push(w, 3);
windowf_push(w, 3);
windowf_push(w, 3);
windowf_push(w, 3);
// read the buffer by assigning the pointer
// appropriately
windowf_read(w, &r);
// manual print
printf("manual output:\n");
for (i=0; i<10; i++)
printf("%6u : %f\n", i, r[i]);
windowf_debug_print(w);
// clean it up
windowf_destroy(w);
printf("done.\n");
return 0;
}
|
