InvertPerspectiveCoefficients  881 magick/distort.c       InvertPerspectiveCoefficients(arguments, coeff);
InvertPerspectiveCoefficients 1811 magick/distort.c         InvertPerspectiveCoefficients(coeff, inverse);
InvertPerspectiveCoefficients 2041 magick/distort.c         InvertPerspectiveCoefficients(coeff, inverse);