Re: [Beignet] [PATCH] fix builtin function "fmax"

2013-11-08 Thread Zhigang Gong
LGTM, thanks. On Fri, Nov 08, 2013 at 10:51:34AM +0800, Homer Hsing wrote: > if an parameter is nan, then returns another parameter. > > Signed-off-by: Homer Hsing > --- > backend/src/ocl_stdlib.tmpl.h | 4 > 1 file changed, 4 insertions(+) > > diff --git a/backend/src/ocl_stdlib.tmpl.h b

Re: [Beignet] [PATCH] fix builtin function "fmax"

2013-11-08 Thread Zhigang Gong
Two additional comments: 1. This patch should only for the float data type. 2. For the float data type, according to IVB spec. Nan compare with any other data will get a false, so we can reduce one nan checking, and the following should be good enough. { if (inan(b)) return a; return a > b ?

Re: [Beignet] [PATCH] fix builtin function "fmax"

2013-11-08 Thread Xing, Homer
Good. Thanks for the comments. -Original Message- From: Zhigang Gong [mailto:zhigang.g...@linux.intel.com] Sent: Friday, November 8, 2013 2:23 PM To: Xing, Homer Cc: beignet@lists.freedesktop.org Subject: Re: [Beignet] [PATCH] fix builtin function "fmax" Two additional co

[Beignet] [PATCH] fix builtin function "fmax"

2013-11-07 Thread Homer Hsing
if an parameter is nan, then returns another parameter. Signed-off-by: Homer Hsing --- backend/src/ocl_stdlib.tmpl.h | 4 1 file changed, 4 insertions(+) diff --git a/backend/src/ocl_stdlib.tmpl.h b/backend/src/ocl_stdlib.tmpl.h index bff2b1c..ec9ed60 100644 --- a/backend/src/ocl_stdlib.tm