1((function fract 2 (signature float 3 (parameters 4 (declare (in) float x)) 5 ((return (expression float fract (var_ref x))))) 6 7 (signature vec2 8 (parameters 9 (declare (in) vec2 x)) 10 ((return (expression vec2 fract (var_ref x))))) 11 12 (signature vec3 13 (parameters 14 (declare (in) vec3 x)) 15 ((return (expression vec3 fract (var_ref x))))) 16 17 (signature vec4 18 (parameters 19 (declare (in) vec4 x)) 20 ((return (expression vec4 fract (var_ref x))))) 21)) 22 23