BlackmanWeightingFunction 2220 magick/accelerate-private.h     case BlackmanWeightingFunction:
BlackmanWeightingFunction 3722 magick/accelerate.c   BlackmanWeightingFunction,
BlackmanWeightingFunction  835 magick/resize.c     { Blackman,  1.0, 1.0, 0.0, 0.0, BlackmanWeightingFunction }, /* Blackman, 2*cosine window   */