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Regression test-bed for new path finder

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Define TEST_PATH_FIND to run both the new and the old code, and verify
they yield the same path costs.
This commit is contained in:
Markus Armbruster 2011-03-17 04:26:45 +01:00
parent d8bef8e806
commit e9307b7b1d
1 changed files with 29 additions and 5 deletions
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34
src/lib/update/finish.c
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@ -35,6 +35,8 @@
#include <config.h>
#include <assert.h>
#include <math.h>
#include <stdlib.h>
#include <sys/resource.h>
#include "distribute.h"
@ -122,7 +124,7 @@ finish_sects(int etu)
}
#ifdef USE_PATH_FIND
#if defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
static int
distcmp(const void *p, const void *q)
{
@ -147,7 +149,7 @@ assemble_dist_paths(double *import_cost)
struct sctstr *sp;
struct sctstr *dist;
int n;
#ifdef USE_PATH_FIND
#if defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
static int *job;
int uid, i;
coord dx = 1, dy = 0; /* invalid */
@ -185,13 +187,16 @@ assemble_dist_paths(double *import_cost)
}
import_cost[uid] = path_find_to(sp->sct_x, sp->sct_y);
}
path_find_print_stats();
#else /* !USE_PATH_FIND */
#endif /* USE_PATH_FIND || TEST_PATH_FIND */
#if !defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
char *path;
double d;
char buf[512];
for (n = 0; NULL != (sp = getsectid(n)); n++) {
#ifdef TEST_PATH_FIND
double new_imc = import_cost[n];
#endif
import_cost[n] = -1;
if ((sp->sct_dist_x == sp->sct_x) && (sp->sct_dist_y == sp->sct_y))
continue;
@ -206,6 +211,25 @@ assemble_dist_paths(double *import_cost)
path = BestDistPath(buf, dist, sp, &d);
if (path)
import_cost[n] = d;
#ifdef TEST_PATH_FIND
if (fabs(import_cost[n] - new_imc) >= 1e-6) {
printf("%d,%d <- %d,%d %d: old %g, new %g, %g off\n",
sp->sct_dist_x, sp->sct_dist_y,
sp->sct_x, sp->sct_y, MOB_MOVE,
import_cost[n], new_imc, import_cost[n] - new_imc);
printf("\told: %s\n", path);
d = path_find(sp->sct_dist_x, sp->sct_dist_y,
sp->sct_x, sp->sct_y, dist->sct_own, MOB_MOVE);
assert(d - new_imc < 1e-6);
path_find_route(buf, sizeof(buf),
sp->sct_dist_x, sp->sct_dist_y,
sp->sct_x, sp->sct_y);
printf("\tnew: %s\n", buf);
}
#endif /* !USE_PATH_FIND */
#endif /* TEST_PATH_FIND */
}
#endif /* !USE_PATH_FIND || TEST_PATH_FIND */
#if defined(USE_PATH_FIND) || defined(TEST_PATH_FIND)
path_find_print_stats();
#endif
}