k3d/share/shaders/k3d_antialiasedchecks.sl:36:  float fuzzmax;        /* max of (sfuzz, tfuzz) */
k3d/share/shaders/k3d_antialiasedchecks.sl:48:  fuzzmax = max (sfuzz, tfuzz);
k3d/share/shaders/k3d_antialiasedchecks.sl:55:  if (fuzzmax <= 0.5) {
k3d/share/shaders/k3d_antialiasedchecks.sl:60:      Ci = mix (checkcolor, (color1+color2)/2, smoothstep (.125, .5, fuzzmax));
k3d/share/shaders/k3d_hextile.sl:68:  float swidth, twidth, sfuzz, tfuzz, fuzzmax;
k3d/share/shaders/k3d_hextile.sl:79:  fuzzmax = max (sfuzz, tfuzz);
