[Bug 100105] Make Theano OpenCL support work on Clover and RadeonSI

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100105

--- Comment #3 from Jan Vesely <jan.vesely at rutgers.edu> ---
(In reply to Jan Vesely from comment #2) 
> It looks like our vstore_half_rtn is not working as expected, which is weird
> because it passes CTS.

I take this back.

vstore_half_rtn rounds to negative infinity (towards 0 for positive numbers).
Changing line 53 in cluda_opencl.h:
-  vstore_half_rtn(f, 0, &r.data);
+  vstore_half_rte(f, 0, &r.data);

fixes the two failures.

Other than advertising OCL1.2 the remaining failures are NOTOURBUG.

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