Revision b55b684008d1e1168ec6e13e1b03563a5155a73e authored by Hanno Rein on 20 October 2023, 14:42:38 UTC, committed by Hanno Rein on 20 October 2023, 14:42:38 UTC
1 parent eb79340
miscellaneous.md
# Miscellaneous tools
## Modulo two pi
The following function takes the modulo of angle (in radians).
The result is in the range $[0, 2\pi]$.
=== "C"
```c
double f = reb_tools_mod2pi(7.); // returns 0.7168 = 7 - 2*pi
```
=== "Python"
```python
f = rebound.mod2pi(7.) // returns 0.7168 = 7 - 2*pi
```
## Hash function
REBOUND comes with its own hash function.
It converts a string to an integer.
This is used in various parts of the code, mostly to add a more convenient way to refer to particles.
You can call REBOUND's hash function manually:
=== "C"
```c
uint32_t hash = reb_hash("test string");
```
=== "Python"
```python
hash = rebound.hash("test string")
```
Computing file changes ...
