mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-03 08:34:29 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 6

bpo-41369: Finish updating the vendored libmpdec to version 2.5.1 (GH-24962)

Browse source 
Complete the update to libmpdec-2.5.1.

Co-authored-by: Stefan Krah <skrah@bytereef.org>
This commit is contained in:
Antoine Pitrou 2021-03-30 18:11:06 +02:00 • committed by GitHub
parent a7ff6df60c
commit 73b20ae2fb
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
26 changed files with 1966 additions and 113 deletions
Download patch file Download diff file Expand all files Collapse all files

77
Modules/_decimal/libmpdec/examples/multiply.c Normal file
View file

@ -0,0 +1,77 @@
/*
* 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;
}