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authorcperciva <cperciva@FreeBSD.org>2015-10-02 10:08:11 +0000
committercperciva <cperciva@FreeBSD.org>2015-10-02 10:08:11 +0000
commit8cc71b38c27f2be8ba4c227078a51c63847a89de (patch)
tree0bbcb3f392def57bae56978c0da09362f7d6b426 /games/pom/pom.c
parent0c2e89c50542aa374d776ce0787b4a06e0de1be2 (diff)
downloadFreeBSD-src-8cc71b38c27f2be8ba4c227078a51c63847a89de.zip
FreeBSD-src-8cc71b38c27f2be8ba4c227078a51c63847a89de.tar.gz
Final step of eliminating the "games" distribution: Merge src/games
(or what's left of it, at least) into src/usr.bin. This change will not be MFCed. Discussed at: EuroBSDCon 2014 Committed from: EuroBSDCon 2015
Diffstat (limited to 'games/pom/pom.c')
-rw-r--r--games/pom/pom.c241
1 files changed, 0 insertions, 241 deletions
diff --git a/games/pom/pom.c b/games/pom/pom.c
deleted file mode 100644
index 5f18bb3..0000000
--- a/games/pom/pom.c
+++ /dev/null
@@ -1,241 +0,0 @@
-/*
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. All rights reserved.
- *
- * This code is derived from software posted to USENET.
- *
- * 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.
- * 3. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
- */
-
-#if 0
-#ifndef lint
-static const char copyright[] =
-"@(#) Copyright (c) 1989, 1993\n\
- The Regents of the University of California. All rights reserved.\n";
-#endif /* not lint */
-
-#ifndef lint
-static const char sccsid[] = "@(#)pom.c 8.1 (Berkeley) 5/31/93";
-#endif /* not lint */
-#endif
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-/*
- * Phase of the Moon. Calculates the current phase of the moon.
- * Based on routines from `Practical Astronomy with Your Calculator',
- * by Duffett-Smith. Comments give the section from the book that
- * particular piece of code was adapted from.
- *
- * -- Keith E. Brandt VIII 1984
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <math.h>
-#include <string.h>
-#include <sysexits.h>
-#include <time.h>
-#include <unistd.h>
-
-#ifndef PI
-#define PI 3.14159265358979323846
-#endif
-#define EPOCH 85
-#define EPSILONg 279.611371 /* solar ecliptic long at EPOCH */
-#define RHOg 282.680403 /* solar ecliptic long of perigee at EPOCH */
-#define ECCEN 0.01671542 /* solar orbit eccentricity */
-#define lzero 18.251907 /* lunar mean long at EPOCH */
-#define Pzero 192.917585 /* lunar mean long of perigee at EPOCH */
-#define Nzero 55.204723 /* lunar mean long of node at EPOCH */
-#define isleap(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0)
-
-static void adj360(double *);
-static double dtor(double);
-static double potm(double);
-static void usage(char *progname);
-
-int
-main(int argc, char **argv)
-{
- time_t tt;
- struct tm GMT, tmd;
- double days, today, tomorrow;
- int ch, cnt, pflag = 0;
- char *odate = NULL, *otime = NULL;
- char *progname = argv[0];
-
- while ((ch = getopt(argc, argv, "d:pt:")) != -1)
- switch (ch) {
- case 'd':
- odate = optarg;
- break;
- case 'p':
- pflag = 1;
- break;
- case 't':
- otime = optarg;
- break;
- default:
- usage(progname);
- }
-
- argc -= optind;
- argv += optind;
-
- if (argc)
- usage(progname);
-
- /* Adjust based on users preferences */
- time(&tt);
- if (otime != NULL || odate != NULL) {
- /* Save today in case -d isn't specified */
- localtime_r(&tt, &tmd);
-
- if (odate != NULL) {
- tmd.tm_year = strtol(odate, NULL, 10) - 1900;
- tmd.tm_mon = strtol(odate + 5, NULL, 10) - 1;
- tmd.tm_mday = strtol(odate + 8, NULL, 10);
- /* Use midnight as the middle of the night */
- tmd.tm_hour = 0;
- tmd.tm_min = 0;
- tmd.tm_sec = 0;
- }
- if (otime != NULL) {
- tmd.tm_hour = strtol(otime, NULL, 10);
- tmd.tm_min = strtol(otime + 3, NULL, 10);
- tmd.tm_sec = strtol(otime + 6, NULL, 10);
- }
- tt = mktime(&tmd);
- }
-
- gmtime_r(&tt, &GMT);
- days = (GMT.tm_yday + 1) + ((GMT.tm_hour +
- (GMT.tm_min / 60.0) + (GMT.tm_sec / 3600.0)) / 24.0);
- for (cnt = EPOCH; cnt < GMT.tm_year; ++cnt)
- days += isleap(1900 + cnt) ? 366 : 365;
- today = potm(days) + .5;
- if (pflag) {
- (void)printf("%1.0f\n", today);
- return (0);
- }
- (void)printf("The Moon is ");
- if ((int)today == 100)
- (void)printf("Full\n");
- else if (!(int)today)
- (void)printf("New\n");
- else {
- tomorrow = potm(days + 1);
- if ((int)today == 50)
- (void)printf("%s\n", tomorrow > today ?
- "at the First Quarter" : "at the Last Quarter");
- else {
- (void)printf("%s ", tomorrow > today ?
- "Waxing" : "Waning");
- if (today > 50)
- (void)printf("Gibbous (%1.0f%% of Full)\n",
- today);
- else if (today < 50)
- (void)printf("Crescent (%1.0f%% of Full)\n",
- today);
- }
- }
-
- return 0;
-}
-
-/*
- * potm --
- * return phase of the moon
- */
-static double
-potm(double days)
-{
- double N, Msol, Ec, LambdaSol, l, Mm, Ev, Ac, A3, Mmprime;
- double A4, lprime, V, ldprime, D, Nm;
-
- N = 360 * days / 365.2422; /* sec 42 #3 */
- adj360(&N);
- Msol = N + EPSILONg - RHOg; /* sec 42 #4 */
- adj360(&Msol);
- Ec = 360 / PI * ECCEN * sin(dtor(Msol)); /* sec 42 #5 */
- LambdaSol = N + Ec + EPSILONg; /* sec 42 #6 */
- adj360(&LambdaSol);
- l = 13.1763966 * days + lzero; /* sec 61 #4 */
- adj360(&l);
- Mm = l - (0.1114041 * days) - Pzero; /* sec 61 #5 */
- adj360(&Mm);
- Nm = Nzero - (0.0529539 * days); /* sec 61 #6 */
- adj360(&Nm);
- Ev = 1.2739 * sin(dtor(2*(l - LambdaSol) - Mm)); /* sec 61 #7 */
- Ac = 0.1858 * sin(dtor(Msol)); /* sec 61 #8 */
- A3 = 0.37 * sin(dtor(Msol));
- Mmprime = Mm + Ev - Ac - A3; /* sec 61 #9 */
- Ec = 6.2886 * sin(dtor(Mmprime)); /* sec 61 #10 */
- A4 = 0.214 * sin(dtor(2 * Mmprime)); /* sec 61 #11 */
- lprime = l + Ev + Ec - Ac + A4; /* sec 61 #12 */
- V = 0.6583 * sin(dtor(2 * (lprime - LambdaSol))); /* sec 61 #13 */
- ldprime = lprime + V; /* sec 61 #14 */
- D = ldprime - LambdaSol; /* sec 63 #2 */
- return(50 * (1 - cos(dtor(D)))); /* sec 63 #3 */
-}
-
-/*
- * dtor --
- * convert degrees to radians
- */
-static double
-dtor(double deg)
-{
-
- return(deg * PI / 180);
-}
-
-/*
- * adj360 --
- * adjust value so 0 <= deg <= 360
- */
-static void
-adj360(double *deg)
-{
-
- for (;;)
- if (*deg < 0)
- *deg += 360;
- else if (*deg > 360)
- *deg -= 360;
- else
- break;
-}
-
-static void
-usage(char *progname)
-{
-
- fprintf(stderr, "Usage: %s [-p] [-d yyyy.mm.dd] [-t hh:mm:ss]\n",
- progname);
- exit(EX_USAGE);
-}
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