Division by zero in SO3.to_quat()
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- Dominant language
- Python
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Description
When the SO(3) element, C, is given as
```
C = [
1, 0, 0,
0, -1, 0,
0, 0, -1
]
```
and use `SO3.to_quat(C)`, the division by zero error is raised in line 256 due to
```
eta = 0.5 * (np.trace(C) + 1) ** 0.5
```
being zero.
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