Support SPK Type 12 - Hermite Equal Time Steps

[ChristopherRabotin]

SPICE Documentation

Purpose

Be able to convert a BSP file of Type 12 to an ANISE trajectory file.

SPICE organization

                                       +--------+
                                       |  x(1)  |
                                   /   +--------+
                                  /    |  y(1)  |
                                 /     +--------+
                                /      |  z(1)  |
   +-----------------------+   /       +--------+
   | State 1               |  <        |dx(1)/dt|
   +-----------------------+   \       +--------+
   | State 2               |    \      |dy(1)/dt|
   +-----------------------+     \     +--------+
               .                  \    |dz(1)/dt|
               .                       +--------+
               .
   +-----------------------+
   | State N               |
   +-----------------------+
   | Epoch of state 1 (TDB)|
   +-----------------------+
   | Step size             |
   +-----------------------+
   | Window size - 1       |
   +-----------------------+
   | Number of states      |
   +-----------------------+

Test requirements

• [ ] Find a public relevant BSP file
• [ ] Ensure correct parsing
• [ ] Ensure correct copying of the data
• [ ] Ensure correct computation of states