bounceInOut       178 src/swfc-history.c 		case IF_BOUNCE_IN_OUT: return bounceInOut(fraction, p1, p2 - p1, inter->bounces, inter->growth, inter->damping);
bounceInOut       108 src/swfc-interpolation.h float bounceInOut(float fraction, float start, float delta, int bounces, float growth, float damping);