Tue May 20 21:35:15 2025

doomsday_test():
  python version: 3.10.12
  numpy version:  1.26.4
  Test doomsday().
 
doomsday_gregorian_test01
  Try a couple selected dates.
 
  YYYY  MM  DD  Weekday    Weekday
                Tabulated  Computed
 
  1989   7  13    Thursday    Thursday
  2012   5  26    Saturday    Saturday
 
doomsday_gregorian_test02
  weekday_values supplies a list of dates and weekdays.
 
  YYYY  MM  DD  Weekday    Weekday
                Tabulated  Computed
 
  1648   6  10   Wednesday   Wednesday
  1680   6  30      Sunday      Sunday
  1716   7  24      Friday      Friday
  1768   6  19      Sunday      Sunday
  1819   8   2      Monday      Monday
  1839   3  27   Wednesday   Wednesday
  1903   4  19      Sunday      Sunday
  1929   8  25      Sunday      Sunday
  1941   9  29      Monday      Monday
  1943   4  19      Monday      Monday
  1943  10   7    Thursday    Thursday
  1992   3  17     Tuesday     Tuesday
  1996   2  25      Sunday      Sunday
  2038  11  10   Wednesday   Wednesday
  2094   7  18      Sunday      Sunday

i4_modp_test():
  i4_modp factors a number
  into a multiple M and a positive remainder R.

    Number   Divisor  Multiple Remainder

       107        50         2         7
       107       -50        -2         7
      -107        50        -3        43
      -107       -50         3        43

  Repeat using Python % Operator:

       107        50         2         7
       107       -50        -3       -43
      -107        50        -3        43
      -107       -50         2        -7

i4_wrap_test():
  i4_wrap forces an integer to lie within given limits.

  ILO =  4
  IHI =  8

     I  i4_wrap(I)

     -10       5
      -9       6
      -8       7
      -7       8
      -6       4
      -5       5
      -4       6
      -3       7
      -2       8
      -1       4
       0       5
       1       6
       2       7
       3       8
       4       4
       5       5
       6       6
       7       7
       8       8
       9       4
      10       5
      11       6
      12       7
      13       8
      14       4
      15       5
      16       6
      17       7
      18       8
      19       4
      20       5

weekday_to_name_common_test
  Python version: 3.10.12
  weekday_to_name_common returns the name of a day of the week
  in the common calendar.

  Index  Name

      1  Sunday
      2  Monday
      3  Tuesday
      4  Wednesday
      5  Thursday
      6  Friday
      7  Saturday

weekday_values_test:
  Python version: 3.10.12
  weekday_values stores values of
  the weekday for a given Y/M/D date

         Y       M       D           W

    -587       7      30       1
    -169      12       8       4
      70       9      26       4
     135      10       3       1
     470       1       7       4
     576       5      18       2
     694      11       7       7
    1013       4      19       1
    1066      10      14       7
    1096       5      18       1
    1190       3      16       6
    1240       3       3       7
    1288       3      26       6
    1298       4      20       1
    1391       6       4       1
    1436       1      25       4
    1492       3      31       7
    1553       9       9       7
    1560       2      24       7
    1648       6      10       4
    1680       6      30       1
    1716       7      24       6
    1768       6      19       1
    1819       8       2       2
    1839       3      27       4
    1903       4      19       1
    1929       8      25       1
    1941       9      29       2
    1943       4      19       2
    1943      10       7       5
    1992       3      17       3
    1996       2      25       1
    2038      11      10       4
    2094       7      18       1

year_is_leap_gregorian_test():
  year_is_leap_gregorian() reports leap years in the Gregorian calendar.

  Year  Leap?

  1863  False
  1429  False
  1806  False
  1341  False
   258  False
    24  True
  1284  True
  1540  True
   241  False
   500  False
  1868  True
   638  False
  1017  False
   936  True
  1220  True
  1412  True
   349  False
  1334  False
   804  True
  1117  False

doomsday_test():
  Normal end of execution.
Tue May 20 21:35:15 2025