InvertPerspectiveCoefficients  816 magick/distort.c       InvertPerspectiveCoefficients(arguments, coeff);
InvertPerspectiveCoefficients 1688 magick/distort.c         InvertPerspectiveCoefficients(coeff, inverse);
InvertPerspectiveCoefficients 1887 magick/distort.c         InvertPerspectiveCoefficients(coeff, inverse);