290 Transform (SIMI * Simi, F_PT xo, F_PT yo, F_PT * x, F_PT * y)  in Transform()  argument
294   xo = xo - Simi->Cx;  in Transform()
295   xo = (xo * Simi->R) >> FIX;   /* / UNIT; */  in Transform()
299   xx = xo - Simi->Cx;  in Transform()
304   *x = ((xo * Simi->Ct - yo * Simi->St + xx * Simi->Ct2 - yy * Simi->St2)  in Transform()
306   *y = ((xo * Simi->St + yo * Simi->Ct + xx * Simi->St2 + yy * Simi->Ct2)  in Transform()
313 Trace (FRACTAL * F, F_PT xo, F_PT yo, IfsData * data)  in Trace()  argument
320     Transform (Cur, xo, yo, &x, &y);  in Trace()
328     if (F->Depth && ((x - xo) >> 4) && ((y - yo) >> 4)) {  in Trace()
341   F_PT x, y, xo, yo;  in Draw_Fractal()  local
362     xo = Cur->Cx;  in Draw_Fractal()
367       Transform (Simi, xo, yo, &x, &y);  in Draw_Fractal()