gcc/testsuite/gcc.dg/vect/pr115602.c

   1 /* { dg-do compile } */
   2
   3 typedef struct {
   4   double x, y;
   5 } pointf;
   6 struct {
   7   pointf focus;
   8   double zoom;
   9   pointf devscale;
  10   char button;
  11   pointf oldpointer;
  12 } gvevent_motion_job;
  13 char gvevent_motion_job_4;
  14 double gvevent_motion_pointer_1, gvevent_motion_pointer_0;
  15 void gvevent_motion() {
  16   double dx = (gvevent_motion_pointer_0 - gvevent_motion_job.oldpointer.x) /
  17               gvevent_motion_job.devscale.x,
  18          dy = (gvevent_motion_pointer_1 - gvevent_motion_job.oldpointer.y) /
  19               gvevent_motion_job.devscale.y;
  20   if (dx && dy < .0001)
  21     return;
  22   switch (gvevent_motion_job_4)
  23   case 2: {
  24     gvevent_motion_job.focus.x -= dy / gvevent_motion_job.zoom;
  25     gvevent_motion_job.focus.y += dx / gvevent_motion_job.zoom;
  26   }
  27 }