From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 16 Jun 2019 12:30:50 +0000 (+0300)
Subject: Use a different way of obtaining the value of pi
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=b90bd4cd4fc8ea898912541ab48995117cecf174;hp=b90bd4cd4fc8ea898912541ab48995117cecf174;p=libs%2Fdemoscene.git

Use a different way of obtaining the value of pi

M_PI is not strictly a part of the C++ standard.
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