Lines Matching refs:dx
98 (i)= (d)->bot.x + (d)->dx * ((j)-(d)->bot.y);}
102 (i)= (d)->bot.x + (d)->dx * ((j)-(d)->bot.y);}
175 double dx; /* Change in x for a unit y increase */
214 double dx; /* Change in x for a unit y increase */
299 /* Do secondary sort on the dx field */
300 if (e[0].dx < (*b)[0].dx)
496 e[i].dx= (edge_table[v].vertex.x - e[i].bot.x) /
546 e[i].dx= (edge_table[v].vertex.x - e[i].bot.x) /
593 /* Do secondary sort on the dx field */
594 if (edge->dx < (*aet)->dx)
666 (*st)->dx= edge->dx;
674 if ((edge->xt >= (*st)->xt) || (edge->dx == (*st)->dx) ||
683 (*st)->dx= edge->dx;
1233 if (EQ(e0->xb, next_edge->xb) && EQ(e0->dx, next_edge->dx)
1460 edge->xt= edge->bot.x + edge->dx * (yt - edge->bot.y);
1886 if (EQ(e0->xb, next_edge->xb) && EQ(e0->dx, next_edge->dx)
2120 edge->xt= edge->bot.x + edge->dx * (yt - edge->bot.y);