Aaron Watry
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951ab64d19
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math: Add asin implementation
asin(x) = atan2(x, sqrt( 1-x^2 ))
alternatively:
asin(x) = PI/2 - acos(x)
Use the atan2 implementation since it produces slightly shorter bitcode and
R600 machine code.
Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 217510
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2014-09-10 15:43:32 +00:00 |