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Add a note about [0, 0, 0] and cogl_vector3_normalize()
When having the [0, 0, 0] vector, normalize() won't try to divide by 0 and thus it's always safe to use that funtion. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 64370e7ddd32f25556a1792c00d14adc48a81d45)
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@ -233,6 +233,10 @@ cogl_vector3_divide_scalar (float *vector,
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* Updates the vector so it is a "unit vector" such that the
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* Updates the vector so it is a "unit vector" such that the
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* @vector<!-- -->s magnitude or length is equal to 1.
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* @vector<!-- -->s magnitude or length is equal to 1.
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*
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*
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* <note>It's safe to use this function with the [0, 0, 0] vector, it will not
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* try to divide components by 0 (its norm) and will leave the vector
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* untouched.</note>
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*
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* Since: 1.4
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* Since: 1.4
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* Stability: Unstable
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* Stability: Unstable
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*/
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*/
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