linear            145 src/swfc-history.c 		return linear(fraction, p1, p2 - p1);
linear            148 src/swfc-history.c 		case IF_LINEAR: return linear(fraction, p1, p2 - p1);
linear            182 src/swfc-history.c 		default: return linear(fraction, p1, p2 - p1);
linear             68 src/swfc-interpolation.h float linear(float fraction, float start, float delta);