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Implement 'acos' builtin.

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This is tacked on to the end of the 'asin' file because acos calls asin,
whech means asin needs to be defined first.  Alphabetical order fail.
This commit is contained in:
Kenneth Graunke 2010-06-09 13:52:32 -07:00
parent 539f29323f
commit 855fcb22c1
2 changed files with 46 additions and 0 deletions
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23
builtin_function.cpp
View file

@ -196,6 +196,29 @@ static const char *builtins_110_asin = {
" (expression vec4 *\n"
" (constant float (0.0742610))\n"
" (expression vec4 abs (var_ref x))))))))))\n"
")\n"
"\n"
" (function acos\n"
" (signature float\n"
" (parameters\n"
" (declare (in) float x))\n"
" ((return (expression float - (constant float (1.5707963))\n"
" (call asin ((var_ref x)))))))\n"
" (signature vec2\n"
" (parameters\n"
" (declare (in) vec2 x))\n"
" ((return (expression vec2 - (constant float (1.5707963))\n"
" (call asin ((var_ref x)))))))\n"
" (signature vec3\n"
" (parameters\n"
" (declare (in) vec3 x))\n"
" ((return (expression vec3 - (constant float (1.5707963))\n"
" (call asin ((var_ref x)))))))\n"
" (signature vec4\n"
" (parameters\n"
" (declare (in) vec4 x))\n"
" ((return (expression vec4 - (constant float (1.5707963))\n"
" (call asin ((var_ref x)))))))\n"
"))\n"
};

23
builtins/110/asin
View file

@ -86,4 +86,27 @@
(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)))))))
))