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Author SHA1 Message Date
Boris Brezillon 3a7051d9c2 libclc: Fix FP_ILOGBNAN definition 
Fix FP_ILOGBNAN definition to match the opencl-c-base.h one and
guarantee that FP_ILOGBNAN and FP_ILOGB0 are different. Doing that
implies fixing ilogb() implementation to return the right value.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>

Reviewed By: jvesely

Differential Revision: https://reviews.llvm.org/D83473
 2020-08-17 13:45:43 -07:00
Aaron Watry 09f3c99a86 math: Fix ilogb(double) return type 
Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 261714
 2016-02-24 00:52:15 +00:00
Aaron Watry d6d0454231 math: Add ilogb ported from amd-builtins 
The scalar float/double function bodies are a direct copy/paste
with usage of the CLC wrappers to vectorize them.

This commit also adds in the FP_ILOGB0 and FP_ILOGBNAN macros which are
equal to the results of ilogb(0.0f) and ilogb(float nan) respectively.

v2: Add FP_ILOGB0 and FP_ILOGBNAN definitions

Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Jan Vesely <jan.vesely@rutgers.edu>
v1 Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

llvm-svn: 261639
 2016-02-23 14:43:09 +00:00