1038 #define mult_chan(src, dst, Fa, Fb) MIN ((src) * (Fa) + (dst) * (Fb), 1.0)  in calc_op()  macro
1047 	return mult_chan (src, dst, 0.0, 0.0);  in calc_op()
1052 	return mult_chan (src, dst, 1.0, 0.0);  in calc_op()
1057 	return mult_chan (src, dst, 0.0, 1.0);  in calc_op()
1060 	return mult_chan (src, dst, 1.0, 1.0 - srca);  in calc_op()
1063 	return mult_chan (src, dst, 1.0 - dsta, 1.0);  in calc_op()
1066 	return mult_chan (src, dst, dsta, 0.0);  in calc_op()
1069 	return mult_chan (src, dst, 0.0, srca);  in calc_op()
1072 	return mult_chan (src, dst, 1.0 - dsta, 0.0);  in calc_op()
1075 	return mult_chan (src, dst, 0.0, 1.0 - srca);  in calc_op()
1078 	return mult_chan (src, dst, dsta, 1.0 - srca);  in calc_op()
1081 	return mult_chan (src, dst, 1.0 - dsta,  srca);  in calc_op()
1084 	return mult_chan (src, dst, 1.0 - dsta, 1.0 - srca);  in calc_op()
1087 	return mult_chan (src, dst, 1.0, 1.0);  in calc_op()
1095 	return mult_chan (src, dst, Fa, 1.0);  in calc_op()
1102 	return mult_chan (src, dst, 1.0, Fb);  in calc_op()
1109 	return mult_chan (src, dst, Fa, 0.0);  in calc_op()
1116 	return mult_chan (src, dst, 0.0, Fb);  in calc_op()
1123 	return mult_chan (src, dst, Fa, 0.0);  in calc_op()
1130 	return mult_chan (src, dst, 0.0, Fb);  in calc_op()
1141 	return mult_chan (src, dst, Fa, Fb);  in calc_op()
1152 	return mult_chan (src, dst, Fa, Fb);  in calc_op()
1163 	return mult_chan (src, dst, Fa, Fb);  in calc_op()
1170 	return mult_chan (src, dst, 1.0, Fb);  in calc_op()
1177 	return mult_chan (src, dst, Fa, 1.0);  in calc_op()
1184 	return mult_chan (src, dst, Fa, 0.0);  in calc_op()
1191 	return mult_chan (src, dst, 0.0, Fb);  in calc_op()
1198 	return mult_chan (src, dst, Fa, 0.0);  in calc_op()
1205 	return mult_chan (src, dst, 0.0, Fb);  in calc_op()
1216 	return mult_chan (src, dst, Fa, Fb);  in calc_op()
1227 	return mult_chan (src, dst, Fa, Fb);  in calc_op()
1238 	return mult_chan (src, dst, Fa, Fb);  in calc_op()
1259 #undef mult_chan  in calc_op()