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