circleOut         162 src/swfc-history.c 	case IF_CIRCLE_OUT: return circleOut(fraction, p1, p2 - p1, inter->slope);
circleOut         119 src/swfc-interpolation.c     return circleOut(2 * fraction - 1, start + delta / 2, delta / 2, slope);
circleOut          87 src/swfc-interpolation.h float circleOut(float fraction, float start, float delta, float slope);