1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <math.h>
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <audio_utils/limiter.h>
21
main(int argc,char ** argv)22 int main(int argc, char **argv)
23 {
24 int i;
25 if (argc > 1) {
26 for (i = 1; i < argc; i++) {
27 float x = atof(argv[i]);
28 printf("limit(%g)=%g\n", x, limiter(x));
29 }
30 } else {
31 for (i = 0; i <= 150; i++) {
32 float in = (float) ((double) i * 0.01);
33 float out = limiter(in);
34 printf("%g,%g\n", in, out);
35 if (i != 0) {
36 out = limiter(-in);
37 printf("%g,%g\n", -in, out);
38 }
39 }
40 }
41 return EXIT_SUCCESS;
42 }
43