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| author | Antoine Pitrou <antoine@python.org> | 2021-03-30 16:11:06 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-03-30 16:11:06 (GMT) |
| commit | 73b20ae2fb7a5c1374aa5c3719f64c53d29fa0d2 (patch) | |
| tree | ced81e62c16d112025b5ac796a893f794350b085 /Modules/_decimal/libmpdec/examples/multiply.c | |
| parent | a7ff6df60c05e1b69fca743573b1e118bebf121d (diff) | |
| download | cpython-73b20ae2fb7a5c1374aa5c3719f64c53d29fa0d2.zip cpython-73b20ae2fb7a5c1374aa5c3719f64c53d29fa0d2.tar.gz cpython-73b20ae2fb7a5c1374aa5c3719f64c53d29fa0d2.tar.bz2 | |
bpo-41369: Finish updating the vendored libmpdec to version 2.5.1 (GH-24962)
Complete the update to libmpdec-2.5.1.
Co-authored-by: Stefan Krah <skrah@bytereef.org>
Diffstat (limited to 'Modules/_decimal/libmpdec/examples/multiply.c')
| -rw-r--r-- | Modules/_decimal/libmpdec/examples/multiply.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/Modules/_decimal/libmpdec/examples/multiply.c b/Modules/_decimal/libmpdec/examples/multiply.c new file mode 100644 index 0000000..7f2687d --- /dev/null +++ b/Modules/_decimal/libmpdec/examples/multiply.c @@ -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; +} + + |