| ((function asin |
| (signature float |
| (parameters |
| (declare (in) float x)) |
| ((return (expression float * |
| (expression float - |
| (expression float * |
| (constant float (3.1415926)) |
| (constant float (0.5))) |
| (expression float sqrt |
| (expression float - |
| (constant float (1.0)) |
| (expression float abs (var_ref x))))) |
| (expression float + |
| (constant float (1.5707288)) |
| (expression float * |
| (expression float abs (var_ref x)) |
| (expression float + |
| (constant float (-0.2121144)) |
| (expression float * |
| (constant float (0.0742610)) |
| (expression float abs (var_ref x)))))))))) |
| |
| (signature vec2 |
| (parameters |
| (declare (in) vec2 x)) |
| ((return (expression vec2 * |
| (expression float - |
| (expression float * |
| (constant float (3.1415926)) |
| (constant float (0.5))) |
| (expression vec2 sqrt |
| (expression vec2 - |
| (constant float (1.0)) |
| (expression vec2 abs (var_ref x))))) |
| (expression vec2 + |
| (constant float (1.5707288)) |
| (expression vec2 * |
| (expression vec2 abs (var_ref x)) |
| (expression vec2 + |
| (constant float (-0.2121144)) |
| (expression vec2 * |
| (constant float (0.0742610)) |
| (expression vec2 abs (var_ref x)))))))))) |
| |
| (signature vec3 |
| (parameters |
| (declare (in) vec3 x)) |
| ((return (expression vec3 * |
| (expression vec3 - |
| (expression float * |
| (constant float (3.1415926)) |
| (constant float (0.5))) |
| (expression vec3 sqrt |
| (expression vec3 - |
| (constant float (1.0)) |
| (expression vec3 abs (var_ref x))))) |
| (expression vec3 + |
| (constant float (1.5707288)) |
| (expression vec3 * |
| (expression vec3 abs (var_ref x)) |
| (expression vec3 + |
| (constant float (-0.2121144)) |
| (expression vec3 * |
| (constant float (0.0742610)) |
| (expression vec3 abs (var_ref x)))))))))) |
| |
| (signature vec4 |
| (parameters |
| (declare (in) vec4 x)) |
| ((return (expression vec4 * |
| (expression vec4 - |
| (expression float * |
| (constant float (3.1415926)) |
| (constant float (0.5))) |
| (expression vec4 sqrt |
| (expression vec4 - |
| (constant float (1.0)) |
| (expression vec4 abs (var_ref x))))) |
| (expression vec4 + |
| (constant float (1.5707288)) |
| (expression vec4 * |
| (expression vec4 abs (var_ref x)) |
| (expression vec4 + |
| (constant float (-0.2121144)) |
| (expression vec4 * |
| (constant float (0.0742610)) |
| (expression vec4 abs (var_ref x)))))))))) |
| ) |
| |
| (function acos |
| (signature float |
| (parameters |
| (declare (in) float x)) |
| ((return (expression float - (constant float (1.5707963)) |
| (call asin ((var_ref x))))))) |
| (signature vec2 |
| (parameters |
| (declare (in) vec2 x)) |
| ((return (expression vec2 - (constant float (1.5707963)) |
| (call asin ((var_ref x))))))) |
| (signature vec3 |
| (parameters |
| (declare (in) vec3 x)) |
| ((return (expression vec3 - (constant float (1.5707963)) |
| (call asin ((var_ref x))))))) |
| (signature vec4 |
| (parameters |
| (declare (in) vec4 x)) |
| ((return (expression vec4 - (constant float (1.5707963)) |
| (call asin ((var_ref x))))))) |
| )) |