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arrlib versus arr/geom
The new module arrlib replaces the old duo arr and geom.

The differences are:

arr/geom supports uppercase names like XYf, XYZi, M33f etc. Also untyped names like rot and xlat. Special (float) matrices can be constructed by Ident, Identf and Identd.

arrlib supports only lowercase names like xyf, xyzi, m33f etc. rotf and xlatf replaces the untyped names. The larger matrices are generated by identfMat and identdMat.

Otherwise arrlib has a more complete set of functions, operators etc., i.e. extensions to arr/geom.


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