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[Bug 12705] setTransform spec silent on what to do with singular matrices

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Date: Thu, 19 May 2011 18:04:20 +0000
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--- Comment #4 from Benjamin Peterson <benjamin@python.org> 2011-05-19 18:04:20 UTC ---
a b
c d
be a matrix where a, b, c, d are some floating point data type. We'll say it's
singular iff a*d == c*b. This mostly defeats mistakes like passing the zero
matrix or a simple non-invertible one. I'm not sure why we'd have to worry
about them being close to equal. It should only arise with pathological

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