- 2422. By Krzysztof Kosinski on 2015-08-13
Never allow SBasis to become empty.
Since it should always be possible to call methods such as at0()
even when the SBasis is identically zero, and since there is a lot
of code that accesses the Linears directly, SBasis should always
have at least one Linear.
- 2420. By Krzysztof Kosinski on 2015-07-15
Restore the old semantics of Ellipse::arc() while avoiding the use
of trigonometric functions.
- 2419. By Krzysztof Kosinski on 2015-07-15
Do not put CurveSweeper in anonymous namespace.
Should fix a build failure on llvm-gcc 4.2
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