IREP_TT_FIXNUM supprted. replaced sscanf() to atof(), for PSoC5LP.
IREP_TT_FIXNUM supprted.
replaced sscanf() to atof(), for PSoC5LP.

mrubyc/mrubyc,TJ-Hidetaka-Takano/mrubyc,mrubyc/mrubyc,TJ-Hidetaka-Takano/mrubyc,TJ-Hidetaka-Takano/mrubyc,TJ-Hidetaka-Takano/mrubyc