quintIn           158 src/swfc-history.c 	case IF_QUINT_IN: return quintIn(fraction, p1, p2 - p1, inter->slope);
quintIn            95 src/swfc-interpolation.c     return quintIn(1 - fraction, start + delta, -delta, slope);
quintIn           101 src/swfc-interpolation.c         return quintIn(2 * fraction, start, delta / 2, slope);
quintIn            82 src/swfc-interpolation.h float quintIn(float fraction, float start, float delta, float slope);