mirror of https://github.com/python/cpython
75 lines
2.1 KiB
C
75 lines
2.1 KiB
C
/*
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* Copyright (c) 2008-2020 Stefan Krah. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include <mpdecimal.h>
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int
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main(int argc, char **argv)
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{
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mpd_context_t ctx;
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mpd_t *a;
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mpd_t *result;
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char *rstring;
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char status_str[MPD_MAX_FLAG_STRING];
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clock_t start_clock, end_clock;
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if (argc != 2) {
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fprintf(stderr, "sqrt: usage: ./sqrt x\n");
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exit(1);
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}
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mpd_init(&ctx, 38);
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ctx.traps = 0;
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result = mpd_new(&ctx);
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a = mpd_new(&ctx);
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mpd_set_string(a, argv[1], &ctx);
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start_clock = clock();
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mpd_sqrt(result, a, &ctx);
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end_clock = clock();
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fprintf(stderr, "time: %f\n\n",
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(double)(end_clock-start_clock)/(double)CLOCKS_PER_SEC);
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rstring = mpd_to_sci(result, 1);
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mpd_snprint_flags(status_str, MPD_MAX_FLAG_STRING, ctx.status);
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printf("%s %s\n", rstring, status_str);
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mpd_del(a);
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mpd_del(result);
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mpd_free(rstring);
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return 0;
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}
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