1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
//
// GENERATED FILE
//
use super::*;
use crate::SpiceContext;
use f2rust_std::*;
/// Besselian Date 1900.0
///
/// Return the Julian Date corresponding to Besselian Date 1900.0.
///
/// # Brief I/O
///
/// ```text
/// The function returns the Julian Date corresponding to Besselian
/// date 1900.0.
/// ```
///
/// # Detailed Output
///
/// ```text
/// The function returns 2415020.31352, the Julian Date corresponding
/// to Besselian Date 1900.0.
/// ```
///
/// # Exceptions
///
/// ```text
/// Error free.
/// ```
///
/// # Particulars
///
/// ```text
/// The function always returns the constant value shown above.
/// ```
///
/// # Examples
///
/// ```text
/// The following code fragment illustrates the use of B1900.
///
/// C
/// C Convert Julian Date to UTC seconds past the reference
/// C epoch (B1900).
/// C
/// SPREF = ( JD - B1900() ) * SPD()
/// ```
///
/// # Literature References
///
/// ```text
/// [1] J. Lieske, "Precession Matrix Based on IAU (1976) System of
/// Astronomical Constants," Astron. Astrophys. 73, 282-284,
/// 1979.
/// ```
///
/// # Author and Institution
///
/// ```text
/// J. Diaz del Rio (ODC Space)
/// W.L. Taber (JPL)
/// I.M. Underwood (JPL)
/// ```
///
/// # Version
///
/// ```text
/// - SPICELIB Version 1.0.2, 13-APR-2021 (JDR)
///
/// Edited the header to comply with NAIF standard. Added entry [1]
/// to $Literature_References section.
///
/// - SPICELIB Version 1.0.1, 10-MAR-1992 (WLT)
///
/// Comment section for permuted index source lines was added
/// following the header.
///
/// - SPICELIB Version 1.0.0, 31-JAN-1990 (WLT) (IMU)
/// ```
pub fn b1900() -> f64 {
let ret = B1900();
ret
}
//$Procedure B1900 ( Besselian Date 1900.0 )
pub fn B1900() -> f64 {
let mut B1900: f64 = 0.0;
B1900 = 2415020.31352;
B1900
}