#include "colors.inc"
#include "textures.inc"

#default {
   pigment { color White }
   finish { Dull }
}

camera {
    location <0, 1, -2>
    look_at <0, 0, 0>
}

light_source { <100, 100, -125> color White }

sphere { <0,0.25,0>, 0.25 }

plane { y, 0 pigment { color Red } }

// Works
#declare T = 0;
#declare Tinterval = 1;
#while(T < 10)
   #declare T = T + Tinterval;
   #debug concat("T",str(T,1,0)," ")
#end

#debug "                  "

// Doesn't work!
#declare T = 0;
#declare Tinterval = 0.1;
#while(T < 1)
   #declare T = T + Tinterval;
   #debug concat("T",str(T,1,1)," ")
#end