From: Michael Orlitzky <michael@orlitzky.com>
Date: Mon, 3 Feb 2014 01:21:33 +0000 (-0500)
Subject: Add tolerant versions of is_{upper,lower}_triangular.
X-Git-Url: http://gitweb.michael.orlitzky.com/?a=commitdiff_plain;h=6b6bae4206bab66823617e2ba77cdf3e8d3fb752;hp=6b6bae4206bab66823617e2ba77cdf3e8d3fb752;p=numerical-analysis.git

Add tolerant versions of is_{upper,lower}_triangular.
Fix the QR factorization code.
Add tests for the QR behavior.
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