mirror of
https://github.com/jart/cosmopolitan.git
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50 lines
2.6 KiB
C
50 lines
2.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2022 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/assert.h"
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#include "tool/plinko/lib/histo.h"
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#include "tool/plinko/lib/plinko.h"
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#include "tool/plinko/lib/printf.h"
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void PrintHistogram(int fd, const char *s, const long *h, size_t n) {
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long t;
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bool islast;
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int j, p, m;
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char buf[101];
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size_t i, logos;
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if (!(t = GetLongSum(h, n))) return;
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Fprintf(fd, "%s%n", s);
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for (i = 0; i < n; ++i) {
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if (!h[i]) continue;
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p = h[i] * 1000000 / t;
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assert(0 <= p && p <= 1000000);
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for (j = 0, m = p / 10000; j < m; ++j) {
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buf[j] = '#';
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}
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buf[j] = 0;
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if (i) {
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logos = 1;
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logos <<= i - 1;
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} else {
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logos = 0;
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}
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islast = i == n - 1;
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Fprintf(fd, "%'16lu%s %'*ld %3d.%04d%% %s%n", logos, islast ? "+" : "",
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16 - islast, h[i], p / 10000, p % 10000, buf);
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}
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}
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