rtest_equation_of_time.mac

(?fmakunbound(f),kill(functions,values,arrays));
done;
(load("julian.mac"), load("equation_of_time.mac"), load("equation_of_time_demo_calcs.mac"), 0);
0$

/* Relax the tolerance for comparing floats;
 * I get one failed test (for analemma_matrix) otherwise.
 */
(float_approx_equal_tolerance : 2e-14, 0);
0;

dayup;
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6.848654845931692, 6.84984150948654, 6.850484072048051, 6.850580808153071, 
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6.747072977310266, 6.756827010239728, 6.766150439910492, 6.775032679051829, 
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6.812486176074195, 6.818523951116195, 6.82405927458889, 6.829085406829314, 
6.833596142294063, 6.837585815573524, 6.841049305685969]$
daydown;
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16.4552555372485, 16.46159074134181, 16.46843369836519, 16.4757766768203, 
16.48361143185098, 16.49192921797672, 16.50072080358826, 16.50997648717289, 
16.51968272271038, 16.52983541002381, 16.54042045441164, 16.55142647101927, 
16.56284171013732, 16.57465408242771, 16.5868511853201]$
analemma_matrix;
[[- 23.06726190463052, - 3.040973250771507], 
[- 23.13921996177601, - 2.56260004457155], 
[- 23.20346248315607, - 2.079987146914085], 
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[- 23.43679244955098, 1.868098535895435], 
[- 23.43069619963998, 2.364148671812137], 
[- 23.41676070924649, 2.858888146394146], 
[- 23.39499654324556, 3.351755853326384], 
[- 23.36541842184045, 3.84219360947516], 
[- 23.32804519310327, 4.329647149162133], 
[- 23.28289979839441, 4.813567106245953], 
[- 23.23000923081306, 5.293409981116527], 
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[- 22.00629426318085, 10.54763785134051], 
[- 21.85690182740347, 10.92930695773073], 
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[- 20.20827216207815, 13.84876187432637], 
[- 19.99292453243718, 14.11062747530134], 
[- 19.7714911369541, 14.35914776026139], 
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rise_local;
5.665310409387937$
set_local;
19.88200859000374$
julian_dow(1, 1, 11, 2016);
2457698.5$
equation_of_time_full(centuries_j2000(julian(23,8,1984)), 19+5);
[11.11485940000455, -2.401115405012291, 151.0140464918149]$
sun_alt_az_onepoint(julian(2,4,2017),1,36,-120,0);
[264.5745742666877,15.75698555659134]$