diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/calcurse.h | 3 | ||||
| -rw-r--r-- | src/ui-calendar.c | 181 | ||||
| -rw-r--r-- | src/ui-day.c | 1 | ||||
| -rw-r--r-- | src/utils.c | 2 |
4 files changed, 2 insertions, 185 deletions
diff --git a/src/calcurse.h b/src/calcurse.h index 10e60aa..133b6b9 100644 --- a/src/calcurse.h +++ b/src/calcurse.h @@ -302,6 +302,8 @@ struct date { unsigned yyyy; }; +#define ISLEAP(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) + /* Appointment definition. */ struct apoint { long start; /* seconds since 1 jan 1970 */ @@ -740,7 +742,6 @@ void ui_calendar_change_day(int); void ui_calendar_move(enum move, int); long ui_calendar_start_of_year(void); long ui_calendar_end_of_year(void); -const char *ui_calendar_get_pom(time_t); /* config.c */ void config_load(void); diff --git a/src/ui-calendar.c b/src/ui-calendar.c index 9ea31e1..a2a0e8b 100644 --- a/src/ui-calendar.c +++ b/src/ui-calendar.c @@ -44,29 +44,6 @@ #include "calcurse.h" -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -#define EPOCH 90 -#define EPSILONg 279.403303 /* solar ecliptic long at EPOCH */ -#define RHOg 282.768422 /* solar ecliptic long of perigee at EPOCH */ -#define ECCEN 0.016713 /* solar orbit eccentricity */ -#define lzero 318.351648 /* lunar mean long at EPOCH */ -#define Pzero 36.340410 /* lunar mean long of perigee at EPOCH */ -#define Nzero 318.510107 /* lunar mean long of node at EPOCH */ - -#define ISLEAP(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) - -enum pom { - NO_POM, - FIRST_QUARTER, - FULL_MOON, - LAST_QUARTER, - NEW_MOON, - MOON_PHASES -}; - static struct date today, slctd_day; static unsigned ui_calendar_view, week_begins_on_monday; static pthread_mutex_t date_thread_mutex = PTHREAD_MUTEX_INITIALIZER; @@ -780,161 +757,3 @@ long ui_calendar_end_of_year(void) return (long)(timer - 1); } - -/* - * The pom, potm, dotr, adj360 are used to compute the current - * phase of the moon. - * The code is based on the OpenBSD version of pom(6). - * Below is reported the copyright notice. - */ -/* - * 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. - */ - -/* - * dtor -- - * convert degrees to radians - */ -static double dtor(double deg) -{ - return deg * M_PI / 180; -} - -/* - * adj360 -- - * adjust value so 0 <= deg <= 360 - */ -static void adj360(double *deg) -{ - for (;;) - if (*deg < 0.0) - *deg += 360.0; - else if (*deg > 360.0) - *deg -= 360.0; - else - break; -} - -/* - * 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 - * - * Updated to the Third Edition of Duffett-Smith's book, IX 1998 - * - */ - -/* - * potm -- - * given number of days since January 1st 1990, 00:00 - * (incl. hours and minutes as a fraction of a day), - * return phase of the moon as a percentage. - */ -static double potm(double days) -{ - double N, Msol, Ec, LambdaSol, l, Mm, Ev, Ac, A3, Mmprime; - double A4, lprime, V, ldprime, D, Nm; - - N = 360.0 * days / 365.242191; /* sec 46 #3 */ - adj360(&N); - Msol = N + EPSILONg - RHOg; /* sec 46 #4 */ - adj360(&Msol); - Ec = 360 / M_PI * ECCEN * sin(dtor(Msol)); /* sec 46 #5 */ - LambdaSol = N + Ec + EPSILONg; /* sec 46 #6 */ - adj360(&LambdaSol); - l = 13.1763966 * days + lzero; /* sec 65 #4 */ - adj360(&l); - Mm = l - (0.1114041 * days) - Pzero; /* sec 65 #5 */ - adj360(&Mm); - Nm = Nzero - (0.0529539 * days); /* sec 65 #6 */ - adj360(&Nm); - Ev = 1.2739 * sin(dtor(2 * (l - LambdaSol) - Mm)); /* sec 65 #7 */ - Ac = 0.1858 * sin(dtor(Msol)); /* sec 65 #8 */ - A3 = 0.37 * sin(dtor(Msol)); - Mmprime = Mm + Ev - Ac - A3; /* sec 65 #9 */ - Ec = 6.2886 * sin(dtor(Mmprime)); /* sec 65 #10 */ - A4 = 0.214 * sin(dtor(2 * Mmprime)); /* sec 65 #11 */ - lprime = l + Ev + Ec - Ac + A4; /* sec 65 #12 */ - V = 0.6583 * sin(dtor(2 * (lprime - LambdaSol))); /* sec 65 #13 */ - ldprime = lprime + V; /* sec 65 #14 */ - D = ldprime - LambdaSol; /* sec 67 #2 */ - return 50.0 * (1 - cos(dtor(D))); /* sec 67 #3 */ -} - -static double pom(time_t tmpt) -{ - struct tm *GMT; - double days; - int cnt; - - GMT = gmtime(&tmpt); - 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(cnt + TM_YEAR_BASE) ? 366 : 365; - /* Selected time could be before EPOCH */ - for (cnt = GMT->tm_year; cnt < EPOCH; ++cnt) - days -= ISLEAP(cnt + TM_YEAR_BASE) ? 366 : 365; - - return potm(days); -} - -/* - * Return a pictogram representing the current phase of the moon. - * Careful: date is the selected day in calendar at 00:00, - * and so represents the phase of the moon at midnight. - */ -const char *ui_calendar_get_pom(time_t date) -{ - const char *pom_pict[MOON_PHASES] = - { " ", "|) ", "(|)", "(| ", " | " }; - enum pom phase = NO_POM; - const double half = 50.0; - - date += DAYINSEC / 2; /* adjust to noon */ - double pom_n_b = pom(date - DAYINSEC); /* noon before */ - double pom_m_b = pom(date - DAYINSEC / 2); /* midnight before */ - double pom_n = pom(date); /* noon */ - double pom_m_a = pom(date + DAYINSEC / 2); /* midnight after */ - double pom_n_a = pom(date + DAYINSEC); /* noon after */ - - if (pom_n > pom_n_b && pom_n > pom_n_a) - phase = FULL_MOON; - else if (pom_n < pom_n_b && pom_n < pom_n_a) - phase = NEW_MOON; - else if (pom_m_b < half && half < pom_m_a) - phase = FIRST_QUARTER; - else if (pom_m_b > half && half > pom_m_a) - phase = LAST_QUARTER; - return pom_pict[phase]; -} diff --git a/src/ui-day.c b/src/ui-day.c index 1cc9eb0..6a06941 100644 --- a/src/ui-day.c +++ b/src/ui-day.c @@ -916,7 +916,6 @@ static char *fmt_day_heading(time_t date) localtime_r(&date, &tm); string_init(&s); - string_printf(&s, "%s ", ui_calendar_get_pom(date)); string_catftime(&s, conf.day_heading, &tm); return string_buf(&s); } diff --git a/src/utils.c b/src/utils.c index e0e35bc..11d4582 100644 --- a/src/utils.c +++ b/src/utils.c @@ -51,8 +51,6 @@ #include "calcurse.h" #include "sha1.h" -#define ISLEAP(y) ((((y) % 4) == 0 && ((y) % 100) != 0) || ((y) % 400) == 0) - #define FS_EXT_MAXLEN 64 enum format_specifier { |