[Libclc-dev] [PATCH 1/5] add isfinite builtin

Jan Vesely jan.vesely at rutgers.edu
Thu Sep 4 12:26:22 PDT 2014


On Thu, 2014-09-04 at 12:56 -0500, Aaron Watry wrote:
> On Thu, Sep 4, 2014 at 10:50 AM, Jan Vesely <jan.vesely at rutgers.edu> wrote:
> > Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
> > ---
> >  generic/include/clc/clc.h                 |  1 +
> >  generic/include/clc/relational/isfinite.h | 22 ++++++++++++++++++++++
> >  generic/lib/SOURCES                       |  1 +
> >  generic/lib/relational/isfinite.cl        | 19 +++++++++++++++++++
> >  4 files changed, 43 insertions(+)
> >  create mode 100644 generic/include/clc/relational/isfinite.h
> >  create mode 100644 generic/lib/relational/isfinite.cl
> >
> > diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
> > index 17d8454..f7085ce 100644
> > --- a/generic/include/clc/clc.h
> > +++ b/generic/include/clc/clc.h
> > @@ -114,6 +114,7 @@
> >  #include <clc/relational/any.h>
> >  #include <clc/relational/bitselect.h>
> >  #include <clc/relational/isequal.h>
> > +#include <clc/relational/isfinite.h>
> >  #include <clc/relational/isgreater.h>
> >  #include <clc/relational/isgreaterequal.h>
> >  #include <clc/relational/isinf.h>
> > diff --git a/generic/include/clc/relational/isfinite.h b/generic/include/clc/relational/isfinite.h
> > new file mode 100644
> > index 0000000..60dea56
> > --- /dev/null
> > +++ b/generic/include/clc/relational/isfinite.h
> > @@ -0,0 +1,22 @@
> > +
> > +#define _CLC_ISINF_DECL(RET_TYPE, ARG_TYPE) \
> > +  _CLC_OVERLOAD _CLC_DECL RET_TYPE isfinite(ARG_TYPE);
> > +
> 
> Not that it matters (since it's UNDEF'd later), but you used ISINF for
> the macro name (copied from isinfinite?).
> 
> Also, you could simplify this by using <clc/relational/unary_decl.inc>
> 
> Check out <clc/relational/signbit.h> for a pattern (minus the undef of
> the function name at the beginning probably).
> 
> I've tested this on evergreen successfully, so we're mostly just
> talking maintainability of the code here.
> 
> Also, the first 4 patches of this series have EOF whitespace errors
> when applying:
> 
> Applying: add isfinite builtin
> /home/awatry/src/libclc/.git/rebase-apply/patch:49: new blank line at EOF.
> +
> /home/awatry/src/libclc/.git/rebase-apply/patch:86: new blank line at EOF.
> +
> warning: 2 lines add whitespace errors.
> <etc>

thanks for review. I should have cleaned the patches up before posting.
v2 addresses all of the above.

jan

> 
> --Aaron
> 
> > +#define _CLC_VECTOR_ISINF_DECL(RET_TYPE, ARG_TYPE) \
> > +  _CLC_ISINF_DECL(RET_TYPE##2, ARG_TYPE##2) \
> > +  _CLC_ISINF_DECL(RET_TYPE##3, ARG_TYPE##3) \
> > +  _CLC_ISINF_DECL(RET_TYPE##4, ARG_TYPE##4) \
> > +  _CLC_ISINF_DECL(RET_TYPE##8, ARG_TYPE##8) \
> > +  _CLC_ISINF_DECL(RET_TYPE##16, ARG_TYPE##16)
> > +
> > +_CLC_ISINF_DECL(int, float)
> > +_CLC_VECTOR_ISINF_DECL(int, float)
> > +
> > +#ifdef cl_khr_fp64
> > +_CLC_ISINF_DECL(int, double)
> > +_CLC_VECTOR_ISINF_DECL(long, double)
> > +#endif
> > +
> > +#undef _CLC_ISINF_DECL
> > +#undef _CLC_VECTOR_ISINF_DECL
> > +
> > diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
> > index fb80124..3c02118 100644
> > --- a/generic/lib/SOURCES
> > +++ b/generic/lib/SOURCES
> > @@ -49,6 +49,7 @@ math/sincos_helpers.cl
> >  relational/all.cl
> >  relational/any.cl
> >  relational/isequal.cl
> > +relational/isfinite.cl
> >  relational/isgreater.cl
> >  relational/isgreaterequal.cl
> >  relational/isinf.cl
> > diff --git a/generic/lib/relational/isfinite.cl b/generic/lib/relational/isfinite.cl
> > new file mode 100644
> > index 0000000..7d96e10
> > --- /dev/null
> > +++ b/generic/lib/relational/isfinite.cl
> > @@ -0,0 +1,19 @@
> > +#include <clc/clc.h>
> > +#include "relational.h"
> > +
> > +_CLC_DEFINE_RELATIONAL_UNARY(int, isfinite, __builtin_isfinite, float)
> > +
> > +#ifdef cl_khr_fp64
> > +
> > +#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> > +
> > +// The scalar version of isfinite(double) returns an int, but the vector versions
> > +// return long.
> > +_CLC_DEF _CLC_OVERLOAD int isfinite(double x) {
> > +  return __builtin_isfinite(x);
> > +}
> > +
> > +_CLC_DEFINE_RELATIONAL_UNARY_VEC_ALL(long, isfinite, double)
> > +
> > +#endif
> > +
> > --
> > 1.9.3
> >
> >
> > _______________________________________________
> > Libclc-dev mailing list
> > Libclc-dev at pcc.me.uk
> > http://www.pcc.me.uk/cgi-bin/mailman/listinfo/libclc-dev

-- 
Jan Vesely <jan.vesely at rutgers.edu>
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