Lines Matching refs:dy
56 float dy; /**< Y(v1) - Y(v0), used only during setup */
57 float dxdy; /**< dx/dy */
348 setup->ebot.dy = setup->vmid[0][1] - setup->vmin[0][1];
350 setup->emaj.dy = setup->vmax[0][1] - setup->vmin[0][1];
352 setup->etop.dy = setup->vmax[0][1] - setup->vmid[0][1];
365 const float area = (setup->emaj.dx * setup->ebot.dy -
366 setup->ebot.dx * setup->emaj.dy);
434 float a = setup->ebot.dy * majda - botda * setup->emaj.dy;
484 float a = setup->ebot.dy * majda - botda * setup->emaj.dy;
607 debug_printf("attr[%d].%c: a0:%f dx:%f dy:%f\n",
630 setup->emaj.dxdy = setup->emaj.dy ? setup->emaj.dx / setup->emaj.dy : .0f;
635 setup->etop.dxdy = setup->etop.dy ? setup->etop.dx / setup->etop.dy : .0f;
640 setup->ebot.dxdy = setup->ebot.dy ? setup->ebot.dx / setup->ebot.dy : .0f;
842 const float dady = da * setup->emaj.dy * setup->oneoverarea;
866 const float dady = da * setup->emaj.dy * setup->oneoverarea;
902 setup->emaj.dy = setup->vmax[0][1] - setup->vmin[0][1];
905 area = setup->emaj.dx * setup->emaj.dx + setup->emaj.dy * setup->emaj.dy;
1007 int dy = y1 - y0;
1022 if (dx == 0 && dy == 0)
1041 if (dy < 0) {
1042 dy = -dy; /* make positive */
1050 assert(dy >= 0);
1075 if (dx > dy) {
1078 const int errorInc = dy + dy;
1099 int error = errorInc - dy;
1100 const int errorDec = error - dy;
1102 for (i = 0; i < dy; i++) {
1263 float dx, dy, dist2, cover;
1268 dy = (iy + 0.5f) - y;
1269 dist2 = dx * dx + dy * dy;
1277 dy = (iy + 0.5f) - y;
1278 dist2 = dx * dx + dy * dy;
1286 dy = (iy + 1.5f) - y;
1287 dist2 = dx * dx + dy * dy;
1295 dy = (iy + 1.5f) - y;
1296 dist2 = dx * dx + dy * dy;