clean-up for isnan(), isinf(), and isfinite()     
clean-up for isnan(), isinf(), and isfinite()
    

h3rb/openshadinglanguage,qdtk/openshadinglanguage,code-google-com/openshadinglanguage,tectronics/openshadinglanguage,code-google-com/openshadinglanguage,h3rb/openshadinglanguage,tectronics/openshadinglanguage,qdtk/openshadinglanguage,code-google-com/openshadinglanguage,qdtk/openshadinglanguage,h3rb/openshadinglanguage,code-google-com/openshadinglanguage,h3rb/openshadinglanguage,qdtk/openshadinglanguage,tectronics/openshadinglanguage,tectronics/openshadinglanguage