k3d/share/shaders/k3d_antialiasedchecks.sl:34:  float swidth, twidth, sfuzz, tfuzz;  /* Antialiasing */
k3d/share/shaders/k3d_antialiasedchecks.sl:36:  float fuzzmax;        /* max of (sfuzz, tfuzz) */
k3d/share/shaders/k3d_antialiasedchecks.sl:47:  tfuzz = .5 * twidth * frequency / Nfactor;
k3d/share/shaders/k3d_antialiasedchecks.sl:48:  fuzzmax = max (sfuzz, tfuzz);
k3d/share/shaders/k3d_antialiasedchecks.sl:57:      y = ((smoothstep (.5,.5+tfuzz,tmod)) + (1 - smoothstep (0,tfuzz,tmod)));
k3d/share/shaders/k3d_hextile.sl:68:  float swidth, twidth, sfuzz, tfuzz, fuzzmax;
k3d/share/shaders/k3d_hextile.sl:78:  tfuzz = 0.5 * twidth;
k3d/share/shaders/k3d_hextile.sl:79:  fuzzmax = max (sfuzz, tfuzz);
k3d/share/shaders/k3d_hextile.sl:105:      mortar = (smoothstep (x-1.73*mw2-tfuzz, x-1.73*mw2, y) *
k3d/share/shaders/k3d_hextile.sl:106:		(1 - smoothstep (x+1.73*mw2, x+1.73*mw2+tfuzz, y)));
