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/*
* 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
#include "ao_host.h"
#include "ao_convert.c"
#define STEP 1
static inline i_abs(int i) { return i < 0 ? -i : i; }
main ()
{
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;
}
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