1((function atan 2 (signature float 3 (parameters 4 (declare (in) float y_over_x)) 5 ((declare () float s) 6 (call asin (var_ref s) 7 ((expression float * 8 (var_ref y_over_x) 9 (expression float rsq 10 (expression float + 11 (expression float * 12 (var_ref y_over_x) 13 (var_ref y_over_x)) 14 (constant float (1.0))))))) 15 (return (var_ref s)))) 16 17 (signature vec2 18 (parameters 19 (declare (in) vec2 y_over_x)) 20 ((declare () vec2 s) 21 (call asin (var_ref s) 22 ((expression vec2 * 23 (var_ref y_over_x) 24 (expression vec2 rsq 25 (expression vec2 + 26 (expression vec2 * 27 (var_ref y_over_x) 28 (var_ref y_over_x)) 29 (constant float (1.0))))))) 30 (return (var_ref s)))) 31 32 (signature vec3 33 (parameters 34 (declare (in) vec3 y_over_x)) 35 ((declare () vec3 s) 36 (call asin (var_ref s) 37 ((expression vec3 * 38 (var_ref y_over_x) 39 (expression vec3 rsq 40 (expression vec3 + 41 (expression vec3 * 42 (var_ref y_over_x) 43 (var_ref y_over_x)) 44 (constant float (1.0))))))) 45 (return (var_ref s)))) 46 47 (signature vec4 48 (parameters 49 (declare (in) vec4 y_over_x)) 50 ((declare () vec4 s) 51 (call asin (var_ref s) 52 ((expression vec4 * 53 (var_ref y_over_x) 54 (expression vec4 rsq 55 (expression vec4 + 56 (expression vec4 * 57 (var_ref y_over_x) 58 (var_ref y_over_x)) 59 (constant float (1.0))))))) 60 (return (var_ref s)))) 61 62 (signature float 63 (parameters 64 (declare (in ) float y) 65 (declare (in ) float x) 66 ) 67 ( 68 (declare () float r) 69 (if (expression bool > 70 (expression float abs (var_ref x)) 71 (expression float * (constant float (1.0e-8)) (expression float abs (var_ref y)))) ( 72 (call atan (var_ref r) ((expression float / (var_ref y) (var_ref x)))) 73 (if (expression bool < (var_ref x) (constant float (0.000000)) ) ( 74 (if (expression bool >= (var_ref y) (constant float (0.000000)) ) 75 ((assign (x) (var_ref r) (expression float + (var_ref r) (constant float (3.141593))))) 76 ((assign (x) (var_ref r) (expression float - (var_ref r) (constant float (3.141593)))))) 77 ) 78 ( 79 )) 80 ) 81 ( 82 (declare () float sgn) 83 (assign (x) (var_ref sgn) (expression float sign (var_ref y))) 84 (assign (x) (var_ref r) (expression float * (var_ref sgn) (constant float (1.5707965)))) 85 )) 86 87 (return (var_ref r) ) 88 )) 89 90 91 92 (signature vec2 93 (parameters 94 (declare (in) vec2 y) 95 (declare (in) vec2 x)) 96 ((declare () vec2 r) 97 (declare () float temp) 98 (call atan (var_ref temp) ((swiz x (var_ref y)) (swiz x (var_ref x)))) 99 (assign (x) (var_ref r) (var_ref temp)) 100 (call atan (var_ref temp) ((swiz y (var_ref y)) (swiz y (var_ref x)))) 101 (assign (y) (var_ref r) (var_ref temp)) 102 (return (var_ref r)))) 103 104 (signature vec3 105 (parameters 106 (declare (in) vec3 y) 107 (declare (in) vec3 x)) 108 ((declare () vec3 r) 109 (declare () float temp) 110 (call atan (var_ref temp) ((swiz x (var_ref y)) (swiz x (var_ref x)))) 111 (assign (x) (var_ref r) (var_ref temp)) 112 (call atan (var_ref temp) ((swiz y (var_ref y)) (swiz y (var_ref x)))) 113 (assign (y) (var_ref r) (var_ref temp)) 114 (call atan (var_ref temp) ((swiz z (var_ref y)) (swiz z (var_ref x)))) 115 (assign (z) (var_ref r) (var_ref temp)) 116 (return (var_ref r)))) 117 118 (signature vec4 119 (parameters 120 (declare (in) vec4 y) 121 (declare (in) vec4 x)) 122 ((declare () vec4 r) 123 (declare () float temp) 124 (call atan (var_ref temp) ((swiz x (var_ref y)) (swiz x (var_ref x)))) 125 (assign (x) (var_ref r) (var_ref temp)) 126 (call atan (var_ref temp) ((swiz y (var_ref y)) (swiz y (var_ref x)))) 127 (assign (y) (var_ref r) (var_ref temp)) 128 (call atan (var_ref temp) ((swiz z (var_ref y)) (swiz z (var_ref x)))) 129 (assign (z) (var_ref r) (var_ref temp)) 130 (call atan (var_ref temp) ((swiz w (var_ref y)) (swiz w (var_ref x)))) 131 (assign (w) (var_ref r) (var_ref temp)) 132 (return (var_ref r)))) 133 134)) 135