add copysign for ints and floats
fix addArc to not wrap around if the sweepAngle is close to 360 but lost
precision when convert to radians (and then to unit vectors ala sin/cos)



git-svn-id: http://skia.googlecode.com/svn/trunk@495 2bbb7eff-a529-9590-31e7-b0007b416f81
4 files changed