+++ /dev/null
-/*
- * Copyright © 2010 Keith Packard <keithp@keithp.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; version 2 of the License.
- *
- * 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.
- */
-
-#include <stdint.h>
-#define AO_CONVERT_TEST
-#define AO_NEED_ALTITUDE_TO_PRES 1
-#include "ao_host.h"
-#include "ao_convert.c"
-
-#define STEP 1
-
-static inline int i_abs(int i) { return i < 0 ? -i : i; }
-
-int main (int argc, char **argv)
-{
- int i;
- int16_t p_to_a, p_to_a_to_p;
- int16_t a_to_p, a_to_p_to_a;
- int max_p_error = 0, max_p_error_p = -1;
- int max_a_error = 0, max_a_error_a = -1;
- int p_error;
- int a_error;
- int ret = 0;
-
- for (i = 0; i < 32767 + STEP; i += STEP) {
- if (i > 32767)
- i = 32767;
- p_to_a = ao_pres_to_altitude(i);
- p_to_a_to_p = ao_altitude_to_pres(p_to_a);
- p_error = i_abs(p_to_a_to_p - i);
- if (p_error > max_p_error) {
- max_p_error = p_error;
- max_p_error_p = i;
- }
-// printf ("pres %d alt %d pres %d\n",
-// i, p_to_a, p_to_a_to_p);
- }
- for (i = -1578; i < 15835 + STEP; i += STEP) {
- if (i > 15835)
- i = 15835;
- a_to_p = ao_altitude_to_pres(i);
- a_to_p_to_a = ao_pres_to_altitude(a_to_p);
- a_error = i_abs(a_to_p_to_a - i);
- if (a_error > max_a_error) {
- max_a_error = a_error;
- max_a_error_a = i;
- }
-// printf ("alt %d pres %d alt %d\n",
-// i, a_to_p, a_to_p_to_a);
- }
- if (max_p_error > 2) {
- printf ("max p error %d at %d\n", max_p_error,
- max_p_error_p);
- ret++;
- }
- if (max_a_error > 1) {
- printf ("max a error %d at %d\n", max_a_error,
- max_a_error_a);
- ret++;
- }
- return ret;
-}