SignedQuantum      58 magick/magick-type.h typedef ssize_t SignedQuantum;
SignedQuantum      87 magick/magick-type.h typedef ssize_t SignedQuantum;
SignedQuantum     114 magick/magick-type.h typedef double SignedQuantum;
SignedQuantum     130 magick/magick-type.h typedef long double SignedQuantum;