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Rev Author Line No. Line
4358 Serge 1 
((function faceforward
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   (signature float
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     (parameters
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       (declare (in) float N)
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       (declare (in) float I)
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       (declare (in) float Nref))
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     ((if (expression bool < (expression float * (var_ref Nref) (var_ref I)) (constant float (0)))
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          ((return (var_ref N)))
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	  ((return (expression float neg (var_ref N)))))))
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   (signature vec2
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     (parameters
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       (declare (in) vec2 N)
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       (declare (in) vec2 I)
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       (declare (in) vec2 Nref))
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     ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
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          ((return (var_ref N)))
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	  ((return (expression vec2 neg (var_ref N)))))))
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   (signature vec3
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     (parameters
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       (declare (in) vec3 N)
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       (declare (in) vec3 I)
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       (declare (in) vec3 Nref))
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     ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
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          ((return (var_ref N)))
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	  ((return (expression vec3 neg (var_ref N)))))))
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   (signature vec4
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     (parameters
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       (declare (in) vec4 N)
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       (declare (in) vec4 I)
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       (declare (in) vec4 Nref))
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     ((if (expression bool < (expression float dot (var_ref Nref) (var_ref I)) (constant float (0)))
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          ((return (var_ref N)))
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	  ((return (expression vec4 neg (var_ref N)))))))
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))