Rodrigo Arias
c8750b9dfd
Prevents implicit conversions to go undetected, as they will have to be explicit now.
110 lines
2.0 KiB
C
110 lines
2.0 KiB
C
/* Copyright (c) 2023-2024 Barcelona Supercomputing Center (BSC)
|
|
* SPDX-License-Identifier: GPL-3.0-or-later */
|
|
|
|
#include <stdint.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include "common.h"
|
|
#include "emu/sort.h"
|
|
|
|
static int64_t
|
|
randint(void)
|
|
{
|
|
return rand() % 1000;
|
|
}
|
|
|
|
static int
|
|
cmp_int64(const void *a, const void *b)
|
|
{
|
|
int64_t aa = *(const int64_t *) a;
|
|
int64_t bb = *(const int64_t *) b;
|
|
|
|
if (aa < bb)
|
|
return -1;
|
|
else if (aa > bb)
|
|
return +1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
test_case(int64_t n, int64_t run)
|
|
{
|
|
srand((unsigned) run);
|
|
int64_t *arr = calloc((size_t) n, sizeof(int64_t));
|
|
|
|
if (arr == NULL)
|
|
die("calloc failed:");
|
|
|
|
for (int64_t i = 0; i < n; i++)
|
|
arr[i] = randint();
|
|
|
|
qsort(arr, (size_t) n, sizeof(int64_t), cmp_int64);
|
|
|
|
int64_t *copy = calloc((size_t) n, sizeof(int64_t));
|
|
|
|
if (copy == NULL)
|
|
die("calloc failed:");
|
|
|
|
memcpy(copy, arr, (size_t) n * sizeof(int64_t));
|
|
|
|
int64_t iold = rand() % n;
|
|
int64_t old = arr[iold];
|
|
int64_t new = randint();
|
|
|
|
/* Ensure old != new */
|
|
while (old == new)
|
|
new = randint();
|
|
|
|
dbg("-- CASE run=%"PRIi64" n=%"PRIi64" iold=%"PRIi64" old=%"PRIi64" new=%"PRIi64"\n",
|
|
run, n, iold, old, new);
|
|
|
|
dbg("Contents before sort: ");
|
|
for (int64_t i = 0; i < n; i++) {
|
|
dbg("i=%"PRIi64", arr[i]=%"PRIi64", copy[i]=%"PRIi64"\n",
|
|
i, arr[i], copy[i]);
|
|
}
|
|
|
|
sort_replace(arr, n, old, new);
|
|
|
|
copy[iold] = new;
|
|
qsort(copy, (size_t) n, sizeof(int64_t), cmp_int64);
|
|
|
|
dbg("Contents after sort: ");
|
|
for (int64_t i = 0; i < n; i++) {
|
|
dbg("i=%"PRIi64", arr[i]=%"PRIi64", copy[i]=%"PRIi64"\n",
|
|
i, arr[i], copy[i]);
|
|
}
|
|
|
|
if (memcmp(arr, copy, (size_t) n * sizeof(int64_t)) == 0)
|
|
return;
|
|
|
|
die("mismatch");
|
|
}
|
|
|
|
static void
|
|
test_sort_replace(void)
|
|
{
|
|
int64_t nmin = 2;
|
|
int64_t nmax = 300;
|
|
int64_t nstep = 5;
|
|
int64_t nrun = 50;
|
|
|
|
srand(123);
|
|
for (int64_t n = nmin; n <= nmax; n += nstep) {
|
|
for (int64_t run = 0; run < nrun; run++)
|
|
test_case(n, run);
|
|
err("n = %"PRIi64" OK", n);
|
|
}
|
|
}
|
|
|
|
int
|
|
main(void)
|
|
{
|
|
test_sort_replace();
|
|
|
|
err("OK\n");
|
|
|
|
return 0;
|
|
}
|