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      1 ((function asinh
      2    (signature float
      3      (parameters
      4        (declare (in) float x))
      5      ((return (expression float *
      6                (expression float sign (var_ref x))
      7                (expression float log
      8                 (expression float +
      9                  (expression float abs (var_ref x))
     10                  (expression float sqrt
     11                   (expression float +
     12                    (expression float * (var_ref x) (var_ref x))
     13                    (constant float (1))))))))))
     14 
     15    (signature vec2
     16      (parameters
     17        (declare (in) vec2 x))
     18      ((return (expression vec2 *
     19                (expression vec2 sign (var_ref x))
     20                (expression vec2 log
     21                 (expression vec2 +
     22                  (expression vec2 abs (var_ref x))
     23                  (expression vec2 sqrt
     24                   (expression vec2 +
     25                    (expression vec2 * (var_ref x) (var_ref x))
     26                    (constant float (1))))))))))
     27 
     28    (signature vec3
     29      (parameters
     30        (declare (in) vec3 x))
     31      ((return (expression vec3 *
     32                (expression vec3 sign (var_ref x))
     33                (expression vec3 log
     34                 (expression vec3 +
     35                  (expression vec3 abs (var_ref x))
     36                  (expression vec3 sqrt
     37                   (expression vec3 +
     38                    (expression vec3 * (var_ref x) (var_ref x))
     39                    (constant float (1))))))))))
     40 
     41    (signature vec4
     42      (parameters
     43        (declare (in) vec4 x))
     44      ((return (expression vec4 *
     45                (expression vec4 sign (var_ref x))
     46                (expression vec4 log
     47                 (expression vec4 +
     48                  (expression vec4 abs (var_ref x))
     49                  (expression vec4 sqrt
     50                   (expression vec4 +
     51                    (expression vec4 * (var_ref x) (var_ref x))
     52                    (constant float (1))))))))))
     53 ))
     54