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
|
#include <stdio.h>
#include <unistd.h>
#include <limits.h>
#include <error.h>
#include <errno.h>
#include "NE10.h"
#define BUFFER_SIZE (512)
static ne10_fft_cpx_int16_t input_buffer[BUFFER_SIZE];
int main(void) {
int i;
int read_result;
int read_object_count;
read_result = read(STDIN_FILENO, input_buffer, BUFFER_SIZE * sizeof(ne10_fft_cpx_int16_t));
if (read_result < 0) {
error(1, errno, "reading from stdin");
}
read_object_count = read_result / (int)sizeof(ne10_fft_cpx_int16_t);
if (read_result != (read_object_count * (int)sizeof(ne10_fft_cpx_int16_t))) {
error(1, 0, "did not read a multiple of input buffer type");
}
printf("%s\t%s\n", "real", "imag");
while (read_object_count > 0) {
for (i = 0 ; i < read_object_count ; i++) {
printf("%d\t%d\n", input_buffer[i].r, input_buffer[i].i);
}
read_result = read(STDIN_FILENO, input_buffer, BUFFER_SIZE * sizeof(ne10_fft_cpx_int16_t));
if (read_result < 0) {
error(1, errno, "reading from stdin");
}
read_object_count = read_result / (int)sizeof(ne10_fft_cpx_int16_t);
if (read_result != (read_object_count * (int)sizeof(ne10_fft_cpx_int16_t))) {
error(1, 0, "did not read a multiple of input buffer type");
}
}
return 0;
}
|
