mirror of
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5a12e7c134
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0 x86_64 is released as stable! Thanks to everyone who helped make this release possible -- see the RELEASE_NOTES for the credits. The ISOs are off to the replicator. This time it will be a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. We're taking pre-orders now at store.slackware.com. Please consider picking up a copy to help support the project. Once again, thanks to the entire Slackware community for all the help testing and fixing things and offering suggestions during this development cycle. As always, have fun and enjoy! -P.
152 lines
4.1 KiB
Diff
152 lines
4.1 KiB
Diff
--- ./pom/pom.6.orig 2001-08-29 10:11:31.000000000 -0500
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+++ ./pom/pom.6 2006-09-08 19:36:28.000000000 -0500
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@@ -33,7 +33,7 @@
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.\"
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.\" @(#)pom.6 8.1 (Berkeley) 5/31/93
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.\"
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-.Dd January 9, 1999
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+.Dd September 8, 2006
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.Dt POM 6
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.Os
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.Sh NAME
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@@ -41,7 +41,8 @@
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.Nd display the phase of the moon
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.Sh SYNOPSIS
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.Nm
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-.Op [[[[[cc]yy]mm]dd]HH]
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+.Op Fl d Ar num
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+.Op Ar [[[[cc]yy]mm]dd]HH
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.Sh DESCRIPTION
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The
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.Nm
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@@ -49,6 +50,13 @@
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Useful for selecting software completion target dates and predicting
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managerial behavior.
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.Pp
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+.Bl -tag -width [-d num]
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+.It Ar [-d num]
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+Display the percentage with
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+.Ar num
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+decimals (within reasonable limits).
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+The default is to display an integer percentage.
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+.El
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.Bl -tag -width [[[[[cc]yy]mm]dd]HH]
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.It Ar [[[[[cc]yy]mm]dd]HH]
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Display the phase of the moon for a given time. The format is similar to
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@@ -67,6 +75,9 @@
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.Pp
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This program does not allow for the difference between the TDT and
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UTC timescales (about one minute at the time of writing).
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+.Sh NOTES
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+.Nm
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+recognizes 3321 as being within reasonable limits.
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.Sh ACKNOWLEDGEMENTS
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This program is based on algorithms from
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.%B Practical Astronomy with Your Calculator, Third Edition
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--- ./pom/pom.c.orig 2000-08-03 19:12:33.000000000 -0500
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+++ ./pom/pom.c 2006-09-08 19:47:09.000000000 -0500
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@@ -59,11 +59,14 @@
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*
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* Updated to the Third Edition of Duffett-Smith's book, Paul Janzen, IX 1998
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*
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+ * Modified for Slackware by Eric Hameleers <alien@slackware.com> 09-09-2006
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+ *
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*/
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#include <ctype.h>
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#include <err.h>
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#include <math.h>
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+#include <limits.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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@@ -101,16 +104,36 @@
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char *argv[];
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{
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time_t tmpt, now;
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- double days, today, tomorrow;
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+ double days, today, tomorrow, accuracy;
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char buf[1024];
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+ int ch, decimals=0;
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/* Revoke setgid privileges */
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setregid(getgid(), getgid());
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+ while ((ch = getopt(argc, argv, "d:h?")) != -1)
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+ switch (ch) {
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+ case 'd':
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+ decimals = atoi(optarg);
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+ if (decimals < 0 || (decimals != 3321 && decimals > __DBL_DIG__))
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+ errx(1, "illegal argument for -d option");
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+ break;
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+ case 'h':
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+ case '?':
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+ (void)fprintf(stderr, "usage: pom [-d digits] [[[[[cc]yy]mm]dd]HH]\n");
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+ exit(1);
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+ default:
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+ break;
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+ }
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+ argc -= optind;
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+ argv += optind;
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+
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+ accuracy = ( decimals == 3321 ? 0.5: 0.5 / pow(10, decimals) );
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+
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if (time(&now) == (time_t)-1)
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err(1, "time");
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- if (argc > 1) {
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- tmpt = parsetime(argv[1]);
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+ if (argc > 0) {
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+ tmpt = parsetime(argv[0]);
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strftime(buf, sizeof(buf), "%a %Y %b %e %H:%M:%S (%Z)",
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localtime(&tmpt));
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printf("%s: ", buf);
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@@ -118,15 +141,20 @@
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tmpt = now;
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}
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days = (tmpt - EPOCH_MINUS_1970 * 86400) / 86400.0;
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- today = potm(days) + .5;
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+ today = potm(days) + accuracy;
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if (tmpt < now)
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(void)printf("The Moon was ");
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else if (tmpt == now)
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(void)printf("The Moon is ");
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else
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(void)printf("The Moon will be ");
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- if ((int)today == 100)
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+ if ((int)today == 100) {
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(void)printf("Full\n");
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+ if (decimals == 3321)
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+ /* (void)printf("Howl!!! Know me, I am PJV.\n"); */
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+ /* PJV's number is not 3321, and shan't be revealed here */
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+ (void)printf("I saw the best minds of my generation destroyed by\n");
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+ }
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else if (!(int)today)
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(void)printf("New\n");
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else {
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@@ -134,19 +162,19 @@
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if ((int)today == 50)
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(void)printf("%s\n", tomorrow > today ?
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"at the First Quarter" : "at the Last Quarter");
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- /* today is 0.5 too big, but it doesn't matter here
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- * since the phase is changing fast enough
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+ /* today is "accuracy" too big, but it doesn't matter
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+ * here since the phase is changing fast enough
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*/
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else {
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- today -= 0.5; /* Now it might matter */
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+ today -= accuracy; /* Now it might matter */
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(void)printf("%s ", tomorrow > today ?
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"Waxing" : "Waning");
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if (today > 50)
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- (void)printf("Gibbous (%1.0f%% of Full)\n",
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- today);
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+ (void)printf("Gibbous (%1.*f%% of Full)\n",
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+ decimals, today);
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else if (today < 50)
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- (void)printf("Crescent (%1.0f%% of Full)\n",
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- today);
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+ (void)printf("Crescent (%1.*f%% of Full)\n",
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+ decimals, today);
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}
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}
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exit(0);
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