minor error in doc
minor error in doc

f64 is 64-bit floating point values, nots complex floating point values.
arrayfire/arrayfire,arrayfire/arrayfire,umar456/arrayfire,9prady9/arrayfire,arrayfire/arrayfire,umar456/arrayfire,arrayfire/arrayfire,umar456/arrayfire,umar456/arrayfire,9prady9/arrayfire,9prady9/arrayfire,9prady9/arrayfire