mirror of
https://github.com/cryb-to/cryb-to.git
synced 2024-11-21 21:25:50 +00:00
153 lines
3.9 KiB
C
153 lines
3.9 KiB
C
/*-
|
||
* Copyright (c) 2014-2018 Dag-Erling Smørgrav
|
||
* All rights reserved.
|
||
*
|
||
* Redistribution and use in source and binary forms, with or without
|
||
* modification, are permitted provided that the following conditions
|
||
* are met:
|
||
* 1. Redistributions of source code must retain the above copyright
|
||
* notice, this list of conditions and the following disclaimer.
|
||
* 2. Redistributions in binary form must reproduce the above copyright
|
||
* notice, this list of conditions and the following disclaimer in the
|
||
* documentation and/or other materials provided with the distribution.
|
||
* 3. The name of the author may not be used to endorse or promote
|
||
* products derived from this software without specific prior written
|
||
* permission.
|
||
*
|
||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
* SUCH DAMAGE.
|
||
*/
|
||
|
||
#include "cryb/impl.h"
|
||
|
||
#include <stddef.h>
|
||
#include <stdint.h>
|
||
#include <unistd.h>
|
||
|
||
/* test our own code, not the compiler's */
|
||
#undef HAVE___BUILTIN_CLZ
|
||
#undef HAVE___BUILTIN_CTZ
|
||
#undef HAVE___BUILTIN_FFS
|
||
#undef HAVE___BUILTIN_FFSL
|
||
#undef HAVE___BUILTIN_FFSLL
|
||
#undef HAVE___BUILTIN_FLS
|
||
#undef HAVE___BUILTIN_FLSL
|
||
#undef HAVE___BUILTIN_FLSLL
|
||
|
||
#include <cryb/bitwise.h>
|
||
|
||
#include <cryb/test.h>
|
||
|
||
static int
|
||
t_ffs(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
|
||
{
|
||
int u;
|
||
int n, ret;
|
||
|
||
ret = t_is_zero_i(cryb_ffs(0));
|
||
for (u = 1, n = 1; u != 0; u <<= 1, n++) {
|
||
t_printv("ffs(0x%08x) == %d\n", u, cryb_ffs(u));
|
||
ret &= t_compare_i(n, cryb_ffs(u));
|
||
}
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
t_ffsl(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
|
||
{
|
||
long int u;
|
||
int n, ret;
|
||
|
||
ret = t_is_zero_i(cryb_ffs(0));
|
||
for (u = 1, n = 1; u != 0; u <<= 1, n++)
|
||
ret &= t_compare_i(n, cryb_ffsl(u));
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
t_ffsll(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
|
||
{
|
||
long long int u;
|
||
int n, ret;
|
||
|
||
ret = t_is_zero_i(cryb_ffs(0));
|
||
for (u = 1, n = 1; u != 0; u <<= 1, n++)
|
||
ret &= t_compare_i(n, cryb_ffsll(u));
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
t_fls(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
|
||
{
|
||
unsigned int u;
|
||
int n, ret;
|
||
|
||
ret = t_is_zero_i(cryb_fls(0));
|
||
for (u = 1, n = 1; u != 0; u <<= 1, n++) {
|
||
t_printv("fls(0x%08x) == %d\n", u, cryb_fls(u));
|
||
ret &= t_compare_i(n, cryb_fls(u));
|
||
}
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
t_flsl(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
|
||
{
|
||
unsigned long int u;
|
||
int n, ret;
|
||
|
||
ret = t_is_zero_i(cryb_flsl(0));
|
||
for (u = 1, n = 1; u != 0; u <<= 1, n++) {
|
||
t_printv("flsl(0x%08lx) == %d\n", u, cryb_flsl(u));
|
||
ret &= t_compare_i(n, cryb_flsl(u));
|
||
}
|
||
return (ret);
|
||
}
|
||
|
||
static int
|
||
t_flsll(char **desc CRYB_UNUSED, void *arg CRYB_UNUSED)
|
||
{
|
||
unsigned long long int u;
|
||
int n, ret;
|
||
|
||
ret = t_is_zero_i(cryb_flsll(0));
|
||
for (u = 1, n = 1; u != 0; u <<= 1, n++) {
|
||
t_printv("flsll(0x%016llx) == %d\n", u, cryb_flsll(u));
|
||
ret &= t_compare_i(n, cryb_flsll(u));
|
||
}
|
||
return (ret);
|
||
}
|
||
|
||
|
||
/***************************************************************************
|
||
* Boilerplate
|
||
*/
|
||
|
||
static int
|
||
t_prepare(int argc CRYB_UNUSED, char *argv[] CRYB_UNUSED)
|
||
{
|
||
|
||
t_add_test(t_ffs, 0, "ffs");
|
||
t_add_test(t_ffsl, 0, "ffsl");
|
||
t_add_test(t_ffsll, 0, "ffsll");
|
||
t_add_test(t_fls, 0, "fls");
|
||
t_add_test(t_flsl, 0, "flsl");
|
||
t_add_test(t_flsll, 0, "flsll");
|
||
return (0);
|
||
}
|
||
|
||
int
|
||
main(int argc, char *argv[])
|
||
{
|
||
|
||
t_main(t_prepare, NULL, argc, argv);
|
||
}
|