Eric Anholt
155 lines
3.8 KiB
Plaintext
155 lines
3.8 KiB
Plaintext
((function atan
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(signature float
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(parameters
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(declare (in) float x))
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((return (call asin ((expression float *
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(var_ref x)
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(expression float rsq
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(expression float +
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(expression float *
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(var_ref x)
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(var_ref x))
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(constant float (1.0))))))))))
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(signature vec2
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(parameters
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(declare (in) vec2 y_over_x))
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((return (call asin ((expression vec2 *
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(var_ref y_over_x)
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(expression vec2 rsq
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(expression vec2 +
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(expression vec2 *
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(var_ref y_over_x)
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(var_ref y_over_x))
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(constant float (1.0))))))))))
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(signature vec3
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(parameters
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(declare (in) vec3 y_over_x))
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((return (call asin ((expression vec3 *
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(var_ref y_over_x)
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(expression vec3 rsq
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(expression vec3 +
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(expression vec3 *
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(var_ref y_over_x)
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(var_ref y_over_x))
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(constant float (1.0))))))))))
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(signature vec4
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(parameters
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(declare (in) vec4 y_over_x))
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((return (call asin ((expression vec4 *
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(var_ref y_over_x)
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(expression vec4 rsq
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(expression vec4 +
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(expression vec4 *
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(var_ref y_over_x)
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(var_ref y_over_x))
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(constant float (1.0))))))))))
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(signature float
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(parameters
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(declare (in) float y)
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(declare (in) float x))
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((declare () float r)
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(if (expression bool >
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(expression float abs (var_ref x))
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(constant float (.0001)))
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((assign (constant bool (1))
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(var_ref r) (call atan ((expression float /
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(var_ref y)
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(var_ref x)))))
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(if (expression bool <
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(var_ref x)
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(constant float (0.0)))
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((assign (constant bool (1))
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(var_ref r)
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(expression float +
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(var_ref r)
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(expression float *
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(expression int sign (var_ref y))
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(constant float (3.1415926))))))
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()))
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())
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(return (var_ref r))))
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(signature vec2
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(parameters
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(declare (in) vec2 y)
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(declare (in) vec2 x))
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((declare () vec2 r)
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(if (expression bool >
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(expression vec2 abs (var_ref x))
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(constant float (.0001)))
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((assign (constant bool (1))
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(var_ref r) (call atan ((expression vec2 /
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(var_ref y)
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(var_ref x)))))
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(if (expression bool <
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(var_ref x)
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(constant float (0.0)))
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((assign (constant bool (1))
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(var_ref r)
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(expression vec2 +
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(var_ref r)
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(expression vec2 *
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(expression int sign (var_ref y))
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(constant float (3.1415926))))))
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()))
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())
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(return (var_ref r))))
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(signature vec3
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(parameters
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(declare (in) vec3 y)
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(declare (in) vec3 x))
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((declare () vec3 r)
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(if (expression bool >
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(expression vec3 abs (var_ref x))
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(constant float (.0001)))
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((assign (constant bool (1))
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(var_ref r) (call atan ((expression vec3 /
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(var_ref y)
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(var_ref x)))))
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(if (expression bool <
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(var_ref x)
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(constant float (0.0)))
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((assign (constant bool (1))
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(var_ref r)
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(expression vec3 +
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(var_ref r)
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(expression vec3 *
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(expression int sign (var_ref y))
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(constant float (3.1415926))))))
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()))
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())
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(return (var_ref r))))
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(signature vec4
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(parameters
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(declare (in) vec4 y)
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(declare (in) vec4 x))
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((declare () vec4 r)
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(if (expression bool >
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(expression vec4 abs (var_ref x))
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(constant float (.0001)))
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((assign (constant bool (1))
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(var_ref r) (call atan ((expression vec4 /
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(var_ref y)
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(var_ref x)))))
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(if (expression bool <
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(var_ref x)
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(constant float (0.0)))
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((assign (constant bool (1))
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(var_ref r)
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(expression vec4 +
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(var_ref r)
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(expression vec4 *
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(expression int sign (var_ref y))
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(constant float (3.1415926))))))
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()))
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())
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(return (var_ref r))))
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))
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