From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 23 Jun 2019 19:38:23 +0000 (+0300)
Subject: Use double for animation curves
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;ds=sidebyside;h=b0dfcfb5cdd73e7515170c0598d6b061d33446a7;hp=b0dfcfb5cdd73e7515170c0598d6b061d33446a7;p=libs%2Fgl.git

Use double for animation curves

Since the t value is raised to the third power, floats with their 24-bit
mantissa started to run out of precision around 30 seconds.  Doubles
should be good for several hours.  If that somehow turns out to not be
enough I'll invent some way to chain animations.
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