FreeCalypso > hg > gsm-codec-lib
view dev/mk-256bytes.c @ 487:cd1f0fa936cc
doc/AMR-EFR-performance: new article
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 20 May 2024 21:53:11 +0000 |
parents | bbdefd2ef950 |
children |
line wrap: on
line source
/* * This program generates a binary file of 256 bytes, containing every * possible octet value in linearly increasing order. The purpose of this * datum is testing of A-linear-A and mu-linear-mu PCM conversions: we need * to ensure that each of those sequences is an identity transform for all * possible PCM octet values. */ #include <stdio.h> #include <stdlib.h> main(argc, argv) char **argv; { FILE *outf; unsigned val; if (argc != 2) { fprintf(stderr, "usage: %s output-bin-file\n", argv[0]); exit(1); } outf = fopen(argv[1], "w"); if (!outf) { perror(argv[1]); exit(1); } for (val = 0; val < 256; val++) putc(val, outf); fclose(outf); exit(0); }