mirror of https://github.com/python/cpython
78 lines
2.2 KiB
C
78 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2008-2020 Stefan Krah. 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.
|
|
*
|
|
* 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 <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <time.h>
|
|
#include <mpdecimal.h>
|
|
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
mpd_context_t ctx;
|
|
mpd_t *a, *b;
|
|
mpd_t *result;
|
|
char *rstring;
|
|
char status_str[MPD_MAX_FLAG_STRING];
|
|
clock_t start_clock, end_clock;
|
|
|
|
if (argc != 3) {
|
|
fprintf(stderr, "multiply: usage: ./multiply x y\n");
|
|
exit(1);
|
|
}
|
|
|
|
mpd_init(&ctx, 38);
|
|
ctx.traps = 0;
|
|
|
|
result = mpd_new(&ctx);
|
|
a = mpd_new(&ctx);
|
|
b = mpd_new(&ctx);
|
|
mpd_set_string(a, argv[1], &ctx);
|
|
mpd_set_string(b, argv[2], &ctx);
|
|
|
|
start_clock = clock();
|
|
mpd_mul(result, a, b, &ctx);
|
|
end_clock = clock();
|
|
fprintf(stderr, "time: %f\n\n",
|
|
(double)(end_clock-start_clock)/(double)CLOCKS_PER_SEC);
|
|
|
|
rstring = mpd_to_sci(result, 1);
|
|
mpd_snprint_flags(status_str, MPD_MAX_FLAG_STRING, ctx.status);
|
|
printf("%s %s\n", rstring, status_str);
|
|
|
|
mpd_del(a);
|
|
mpd_del(b);
|
|
mpd_del(result);
|
|
mpd_free(rstring);
|
|
|
|
return 0;
|
|
}
|
|
|
|
|