builtins: Add atan().
diff --git a/builtin_function.cpp b/builtin_function.cpp
index f9fdd485..1d847a6 100644
--- a/builtin_function.cpp
+++ b/builtin_function.cpp
@@ -199,6 +199,163 @@
"))\n"
};
+static const char *builtins_110_atan = {
+ "((function atan\n"
+ " (signature float\n"
+ " (parameters\n"
+ " (declare (in) float x))\n"
+ " ((return (call asin ((expression float *\n"
+ " (var_ref x)\n"
+ " (expression float rsq\n"
+ " (expression float +\n"
+ " (expression float *\n"
+ " (var_ref x)\n"
+ " (var_ref x))\n"
+ " (constant float (1.0))))))))))\n"
+ "\n"
+ " (signature vec2\n"
+ " (parameters\n"
+ " (declare (in) vec2 y_over_x))\n"
+ " ((return (call asin ((expression vec2 *\n"
+ " (var_ref y_over_x)\n"
+ " (expression vec2 rsq\n"
+ " (expression vec2 +\n"
+ " (expression vec2 *\n"
+ " (var_ref y_over_x)\n"
+ " (var_ref y_over_x))\n"
+ " (constant float (1.0))))))))))\n"
+ "\n"
+ " (signature vec3\n"
+ " (parameters\n"
+ " (declare (in) vec3 y_over_x))\n"
+ " ((return (call asin ((expression vec3 *\n"
+ " (var_ref y_over_x)\n"
+ " (expression vec3 rsq\n"
+ " (expression vec3 +\n"
+ " (expression vec3 *\n"
+ " (var_ref y_over_x)\n"
+ " (var_ref y_over_x))\n"
+ " (constant float (1.0))))))))))\n"
+ "\n"
+ " (signature vec4\n"
+ " (parameters\n"
+ " (declare (in) vec4 y_over_x))\n"
+ " ((return (call asin ((expression vec4 *\n"
+ " (var_ref y_over_x)\n"
+ " (expression vec4 rsq\n"
+ " (expression vec4 +\n"
+ " (expression vec4 *\n"
+ " (var_ref y_over_x)\n"
+ " (var_ref y_over_x))\n"
+ " (constant float (1.0))))))))))\n"
+ "\n"
+ " (signature float\n"
+ " (parameters\n"
+ " (declare (in) float y)\n"
+ " (declare (in) float x))\n"
+ " ((declare () float r)\n"
+ " (if (expression bool >\n"
+ " (expression float abs (var_ref x))\n"
+ " (constant float (.0001)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r) (call atan ((expression float /\n"
+ " (var_ref y)\n"
+ " (var_ref x)))))\n"
+ " (if (expression bool <\n"
+ " (var_ref x)\n"
+ " (constant float (0.0)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r)\n"
+ " (expression float +\n"
+ " (var_ref r)\n"
+ " (expression float *\n"
+ " (expression int sign (var_ref y))\n"
+ " (constant float (3.1415926))))))\n"
+ " ()))\n"
+ " ())\n"
+ " (return (var_ref r))))\n"
+ "\n"
+ " (signature vec2\n"
+ " (parameters\n"
+ " (declare (in) vec2 y)\n"
+ " (declare (in) vec2 x))\n"
+ " ((declare () vec2 r)\n"
+ " (if (expression bool >\n"
+ " (expression vec2 abs (var_ref x))\n"
+ " (constant float (.0001)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r) (call atan ((expression vec2 /\n"
+ " (var_ref y)\n"
+ " (var_ref x)))))\n"
+ " (if (expression bool <\n"
+ " (var_ref x)\n"
+ " (constant float (0.0)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r)\n"
+ " (expression vec2 +\n"
+ " (var_ref r)\n"
+ " (expression vec2 *\n"
+ " (expression int sign (var_ref y))\n"
+ " (constant float (3.1415926))))))\n"
+ " ()))\n"
+ " ())\n"
+ " (return (var_ref r))))\n"
+ "\n"
+ " (signature vec3\n"
+ " (parameters\n"
+ " (declare (in) vec3 y)\n"
+ " (declare (in) vec3 x))\n"
+ " ((declare () vec3 r)\n"
+ " (if (expression bool >\n"
+ " (expression vec3 abs (var_ref x))\n"
+ " (constant float (.0001)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r) (call atan ((expression vec3 /\n"
+ " (var_ref y)\n"
+ " (var_ref x)))))\n"
+ " (if (expression bool <\n"
+ " (var_ref x)\n"
+ " (constant float (0.0)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r)\n"
+ " (expression vec3 +\n"
+ " (var_ref r)\n"
+ " (expression vec3 *\n"
+ " (expression int sign (var_ref y))\n"
+ " (constant float (3.1415926))))))\n"
+ " ()))\n"
+ " ())\n"
+ " (return (var_ref r))))\n"
+ "\n"
+ " (signature vec4\n"
+ " (parameters\n"
+ " (declare (in) vec4 y)\n"
+ " (declare (in) vec4 x))\n"
+ " ((declare () vec4 r)\n"
+ " (if (expression bool >\n"
+ " (expression vec4 abs (var_ref x))\n"
+ " (constant float (.0001)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r) (call atan ((expression vec4 /\n"
+ " (var_ref y)\n"
+ " (var_ref x)))))\n"
+ " (if (expression bool <\n"
+ " (var_ref x)\n"
+ " (constant float (0.0)))\n"
+ " ((assign (constant bool (1))\n"
+ " (var_ref r)\n"
+ " (expression vec4 +\n"
+ " (var_ref r)\n"
+ " (expression vec4 *\n"
+ " (expression int sign (var_ref y))\n"
+ " (constant float (3.1415926))))))\n"
+ " ()))\n"
+ " ())\n"
+ " (return (var_ref r))))\n"
+ "\n"
+ "))\n"
+};
+
static const char *builtins_110_ceil = {
"((function ceil\n"
" (signature float\n"
@@ -1563,6 +1720,7 @@
builtins_110_all,
builtins_110_any,
builtins_110_asin,
+ builtins_110_atan,
builtins_110_ceil,
builtins_110_clamp,
builtins_110_cos,