iFit/isinf

 b = isinf(s) : True for infinite iData object elements

   @iData/isinf function to return true for infinite elements
   of 's', i.e. that are +Inf or -Inf 

   To remove nan's and inf's values use: fill(s)

 input:  s: object or array (iData)
 output: b: object or array (iData)
 ex:     b=isinf(a);

 Version: Nov. 26, 2018
 See also iData, iData/sign, iData/isreal, iData/isfinite, iData/isnan,
          iData/isinf, iData/isfloat, iData/isinterger,
          iData/isnumeric, iData/islogical, iData/isscalar,
          iData/isvector, iData/issparse, iData/fill