At least Javascript has isNaN(). Exercise: Try checking for NaN in C. Then read [1] and see if your method is cross platform like you thought [1] http://stack

At least Javascript has isNaN(). Exercise: Try checking for NaN in C. Then read [1] and see if your method is cross platform like you thought [1] http://stackoverflow.com/questions/570669/checking-if-a-double-or-float-is-nan-in-c http://stackoverflow.com/questions/570669/checking-if-a-doub...