From: "marcandre (Marc-Andre Lafortune)" <ruby-core@...>
Date: 2012-12-27T13:05:47+09:00
Subject: [ruby-core:51154] [ruby-trunk - Bug #7620] Incorrect exception for non-square matrix in Matrix::LUPDecomposition#det


Issue #7620 has been updated by marcandre (Marc-Andre Lafortune).

Assignee set to marcandre (Marc-Andre Lafortune)


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Bug #7620: Incorrect exception for non-square matrix in Matrix::LUPDecomposition#det
https://bugs.ruby-lang.org/issues/7620#change-35101

Author: pypypy567 (py _)
Status: Open
Priority: Normal
Assignee: marcandre (Marc-Andre Lafortune)
Category: 
Target version: 
ruby -v: ruby 2.0.0dev (2012-11-01) [i386-mswin32_100]


If m is a non-square matrix , m.lup.det should raise Matrix::ErrDimensionMismatch, but it raises NoMethodError.

> ruby -rmatrix -e 'Matrix[[0, 0]].lup.det'
C:/ruby200/lib/ruby/2.0.0/matrix/lup_decomposition.rb:80:in `det': undefined method `square?' for #<Matrix::LUPDecomposition:0xbb4284> (NoMethodError)
        from -e:1:in `<main>'



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