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Merge pull request #3 from 5263/mb

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isNull() method for rotation
This commit is contained in:
Yorik van Havre 2012-05-15 15:43:21 -07:00
commit 14af8a78ea
2 changed files with 19 additions and 0 deletions
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8
src/Base/RotationPy.xml
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@ -48,6 +48,14 @@
</UserDocu>
</Documentation>
</Methode>
<Methode Name="isNull">
<Documentation>
<UserDocu>
isNull() -> Bool
returns True if the rotation equals the unity matrix
</UserDocu>
</Documentation>
</Methode>
<Attribute Name="Q" ReadOnly="false">
<Documentation>
<UserDocu>The rotation elements (as quaternion)</UserDocu>

11
src/Base/RotationPyImp.cpp
View File

@ -144,6 +144,17 @@ PyObject* RotationPy::toEuler(PyObject * args)
return Py::new_reference_to(tuple);
}
PyObject* RotationPy::isNull(PyObject *args)
{
if (!PyArg_ParseTuple(args, ""))
return NULL;
Base::Rotation rot = * getRotationPtr();
Base::Rotation nullrot(0,0,0,1);
Base::Rotation nullrotinv(0,0,0,-1);
bool null = (rot == nullrot) | (rot == nullrotinv);
return Py_BuildValue("O", (null ? Py_True : Py_False));
}
Py::Tuple RotationPy::getQ(void) const
{
double q0, q1, q2, q3;