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diff --git a/Master/texmf-dist/tex/generic/genmisc/dayofweek.tex b/Master/texmf-dist/tex/generic/genmisc/dayofweek.tex deleted file mode 100644 index 4ce46ac2434..00000000000 --- a/Master/texmf-dist/tex/generic/genmisc/dayofweek.tex +++ /dev/null @@ -1,149 +0,0 @@ -% -% \DayOfWeek expands to the day of the week ("Sunday", etc.) -% \PhaseOfMoon expands to the phase of the moon -% -% Written by Martin Minow of DEC (minow%bolt.dec@decwrl.dec.com). -% -\def\DayOfWeek{% -% -% Calculate day of the week, return "Sunday", etc. -% - \newcount\dow % Gets day of the week - \newcount\leap % Leap year fingaler - \newcount\x % Temp register - \newcount\y % Another temp register -% leap = year + (month - 14)/12; - \leap=\month \advance\leap by -14 \divide\leap by 12 - \advance\leap by \year -% dow = (13 * (month + 10 - (month + 10)/13*12) - 1)/5 - \dow=\month \advance\dow by 10 - \y=\dow \divide\y by 13 \multiply\y by 12 - \advance\dow by -\y \multiply\dow by 13 \advance\dow by -1 \divide\dow by 5 -% dow += day + 77 + 5 * (leap % 100)/4 - \advance\dow by \day \advance\dow by 77 - \x=\leap \y=\x \divide\y by 100 \multiply\y by 100 \advance\x by -\y - \multiply\x by 5 \divide\x by 4 \advance\dow by \x -% dow += leap / 400 - \x=\leap \divide\x by 400 \advance\dow by \x -% dow -= leap / 100 * 2; -% dow = (dow % 7) - \x=\leap \divide\x by 100 \multiply\x by 2 \advance\dow by -\x - \x=\dow \divide\x by 7 \multiply\x by 7 \advance\dow by -\x - \ifcase\dow Sunday\or Monday\or Tuesday\or Wednesday\or - Thursday\or Friday\or Saturday\fi -} -%% -%% -%% -\def\PhaseOfMoon{% Calculate the phase of the (civil) moon. -% -% The routine calculates the year's epact (the age of the moon on Jan 1.), -% adds this to the number of days in the year, and calculates the phase -% of the moon for this date. It returns the phase as a string, e.g., -% "new", "full", etc. -% -% In the algorithm: -% -% diy Is the day of the year - 1 (i.e., Jan 1 is day 0). -% -% golden Is the number of the year in the Mentonic cycle, used to -% determine the position of the calender moon. -% -% epact Is the age of the calender moon (in days) at the beginning -% of the year. To calculate epact, two century-based -% corrections are applied: -% Gregorian: (3 * cent)/4 - 12 -% is the number of years such as 1700, 1800 when -% leap year was not held. -% Clavian: (((8 * cent) + 5) / 25) - 5 -% is a correction to the Mentonic cycle of about -% 8 days every 2500 years. Note that this will -% overflow 16 bits in the year 409600. Beware. -% -% The algorithm is accurate for the Gregorian calender only. -% -% The magic numbers used in the phase calculation are as follows: -% 29.5 The moon's period in days. -% 177 29.5 scaled by 6 -% 22 (29.5 / 8) scaled by 6 (this gets the phase) -% 11 ((29.5 / 8) / 2) scaled by 6 -% -% Theoretically, this should yield a number in the range 0 .. 7. However, -% two days per year, things don't work out too well. -% -% Epact is calculated by the algorithm given in Knuth vol. 1 (calculation -% of Easter). See also the article on Calenders in the Encyclopaedia -% Britannica and Knuth's algorithm in CACM April 1962, page 209. -% - \newcount\cent % Century number (1979 == 20) - \newcount\epact % Age of the moon on Jan. 1 - \newcount\diy % Day in the year - \newcount\golden % Moon's golden number - \newcount\x % Temp - \newcount\m % Temp for modulus - \diy=\day \advance\diy by \ifcase\month % Jan 1 == 0 - -1\or -1\or 30\or 58\or 89\or 119\or 150\or % Jan .. Jun - 180\or 211\or 241\or 272\or 303\or 333\fi % Jul .. Dec -% if ((month > 2) && ((year % 4 == 0) && -% ((year % 400 == 0) || (year % 100 != 0)))) -% diy++; /* Leapyear fixup */ - \ifnum \month>2 - \x=\year \m=\x \divide\m by 4 \multiply\m by 4 \advance\x by -\m - \ifnum \x=0 % month > 2 and maybe leapyear - \x=\year \m=\x \divide\m by 400 \multiply\m by 400 \advance\x by -\m - \ifnum \x=0 % 2000 is a leap year - \advance\diy by 1 % so it's one day later - \else % not 2000, check other '00's - \x=\year \m=\x \divide\m by 100 \multiply\m by 100 \advance\x by -\m - \ifnum \x>0 % not some other '00' year - \advance\diy by 1 % it's still one day later - \fi % not odd century - \fi % not 2000-type century - \fi % not leapish year - \fi % not march or later -% cent = (year / 100) + 1; /* Century number */ -% golden = (year % 19) + 1; /* Golden number */ - \cent=\year \divide\cent by 100 \advance\cent by 1 - \golden=\year - \m=\year \divide\m by 19 \multiply\m by 19 \advance\golden by -\m - \advance\golden by 1 -% epact = ((11 * golden) + 20 /* Golden number */ -% + (((8 * cent) + 5) / 25) - 5 /* 400 year cycle */ -% - (((3 * cent) / 4) - 12)) % 30;/* Leap year correction */ - \epact=11 \multiply\epact by \golden - \advance\epact by 20 - \x=8 \multiply\x by \cent \advance\x by 5 - \divide\x by 25 \advance\x by -5 - \advance\epact by \x - \x=3 \multiply\x by \cent \divide\x by 4 \advance\x by -12 - \advance\epact by -\x - \m=\epact \divide\m by 30 \multiply\m by 30 \advance\epact by -\m -% if (epact <= 0) -% epact += 30; /* Age range is 1 .. 30 */ -% if ((epact == 25 && golden > 11) || epact == 24) -% epact++; - \ifnum \epact<0 - \advance\epact by 30 - \fi - \ifnum \epact=25 - \ifnum \golden>11 - \advance \epact by 1 - \fi - \else - \ifnum \epact=24 - \advance \epact by 1 - \fi - \fi -% -% Calculate the phase, using the magic numbers defined above. -% Note that phase may be equal to 8 (== 0) on two days of the year -% due to the way the algorithm was implemented. -% phase = (((((diy + epact) * 6) + 11) % 177) / 22) & 7; -% - \x=\diy \advance\x by \epact \multiply\x by 6 \advance\x by 11 - \m=\x \divide\m by 177 \multiply\m by 177 \advance\x by -\m - \divide\x by 22 - \ifcase\x new\or waxing crescent\or in its first quarter\or - waxing gibbous\or full\or waning gibbous\or - in its last quarter\or waning crescent\or new\fi -} |