fx                458 Magick++/lib/Magick++/Image.h     void            fx ( const std::string expression );
fx                459 Magick++/lib/Magick++/Image.h     void            fx ( const std::string expression,
fx               2650 magick/distort.c             double r,fx,fy,gx,gy;
fx               2656 magick/distort.c               fx = ((coeff[0]*r + coeff[1])*r + coeff[2])*r + coeff[3];
fx               2662 magick/distort.c                 fx = 1/fx;  fy = 1/fy;
fx               2663 magick/distort.c                 gx *= -fx*fx;  gy *= -fy*fy;
fx               2666 magick/distort.c               s.x = d.x*fx + coeff[8];
fx               2669 magick/distort.c                   gx*d.x*d.x + fx, gx*d.x*d.y,