((function noise1
(signature float
(parameters
(declare (in) float x))
((return (expression float noise (var_ref x)))))
(signature float
(parameters
(declare (in) vec2 x))
((return (expression float noise (var_ref x)))))
(signature float
(parameters
(declare (in) vec3 x))
((return (expression float noise (var_ref x)))))
(signature float
(parameters
(declare (in) vec4 x))
((return (expression float noise (var_ref x)))))
))