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2 Commits

Author SHA1 Message Date
Jan Vesely 44e768e777 Fix compilation warnings without cl_khr_fp64 
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 235762
 2015-04-24 19:54:17 +00:00
Aaron Watry 951ab64d19 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
 2014-09-10 15:43:32 +00:00