DistPoint2Circle2 providing incorrect distance

[nsmela]

Ran some tests, found a bug. It may have existed before:

DistPoint2Circle2

Expected: 5.0d +/- 9.9999999999999995E-07d
But was: 7.0710678118654755d
Off by: -2.0710678118654755d

Gemini's explanation:

In geometry3Sharp, adding a scalar (double) to a Vector2d adds that scalar to both components ($x+s, y+s$).
For a radius of 5, this resulted in (0,0) + 5 = (5,5).
The distance from center (0,0) to (5,5) is $\sqrt{5^2 + 5^2} \approx 7.071$, causing the test failure.

Fix:
#

geometry3Sharp/distance/DistPoint2Circle2.cs

Line 63 in 4664ac3

CircleClosest = circle.Center + circle.Radius;

#

geometry3Sharp/distance/DistPoint2Circle2.cs

Line 59 in 4664ac3

CircleClosest = circle.Center + circle.Radius * PmC / lengthPmC;

CircleClosest = circle.Center;
CircleClosest.x += circle.Radius;