+ #print v,lastv\r
+ #print t,lastt\r
+ if (lastt<0):\r
+ interp=lastt+(t-lastt)/(v-lastv)*(int(v-1)-lastv)\r
+ #print (t-lastt)/(v-lastv)*(int(v-1)-lastv)\r
+ print int(v-1),interp\r
+ else:\r
+ interp=lastt+(t-lastt)/(v-lastv)*(int(v)-lastv)\r
+ #print (t-lastt)/(v-lastv)*(int(v)-lastv)\r
+ print int(v),interp\r