ref: 5003d89bbaedb986ce0d86cd8be975cea9f9609c
dir: /tests/util.h/
/* ** Copyright (C) 2002-2004 Erik de Castro Lopo <erikd@mega-nerd.com> ** ** 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 2 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, write to the Free Software ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. */ #define ABS(a) (((a) < 0) ? - (a) : (a)) #define MIN(a,b) (((a) < (b)) ? (a) : (b)) #define MAX(a,b) (((a) >= (b)) ? (a) : (b)) #define ARRAY_LEN(x) ((int) (sizeof (x) / sizeof ((x) [0]))) void gen_windowed_sines (int freq_count, const double *freqs, double max, float *output, int output_len) ; void save_oct_float (char *filename, float *input, int in_len, float *output, int out_len) ; void save_oct_double (char *filename, double *input, int in_len, double *output, int out_len) ; void interleave_data (const float *in, float *out, int frames, int channels) ; void deinterleave_data (const float *in, float *out, int frames, int channels) ; void reverse_data (float *data, int datalen) ; double calculate_snr (float *data, int len, int expected_peaks) ; /* ** Do not edit or modify anything in this comment block. ** The arch-tag line is a file identity tag for the GNU Arch ** revision control system. ** ** arch-tag: 94b7a7fd-c69d-4bfc-b7cc-2fe09a869aa5 */