[Libclc-dev] [PATCH 4/4] ptx: Use __clc_nextafter to implement nextafter

[Jeroen Ketema via Libclc-dev]

LGTM

-- Jeroen

> On 8 Oct 2017, at 10:55, Jan Vesely via Libclc-dev <libclc-dev at lists.llvm.org> wrote:
> 
> using clang builtin results in external library call
> 
> Signed-off-by: Jan Vesely <jan.vesely at rutgers.edu>
> ---
> ptx/lib/SOURCES           |  1 +
> ptx/lib/math/nextafter.cl | 10 ++++++++++
> 2 files changed, 11 insertions(+)
> create mode 100644 ptx/lib/SOURCES
> create mode 100644 ptx/lib/math/nextafter.cl
> 
> diff --git a/ptx/lib/SOURCES b/ptx/lib/SOURCES
> new file mode 100644
> index 0000000..ff5bff2
> --- /dev/null
> +++ b/ptx/lib/SOURCES
> @@ -0,0 +1 @@
> +math/nextafter.cl
> diff --git a/ptx/lib/math/nextafter.cl b/ptx/lib/math/nextafter.cl
> new file mode 100644
> index 0000000..5b4521d
> --- /dev/null
> +++ b/ptx/lib/math/nextafter.cl
> @@ -0,0 +1,10 @@
> +#include <clc/clc.h>
> +#include "../lib/clcmacro.h"
> +#include <math/clc_nextafter.h>
> +
> +_CLC_DEFINE_BINARY_BUILTIN(float, nextafter, __clc_nextafter, float, float)
> +
> +#ifdef cl_khr_fp64
> +#pragma OPENCL EXTENSION cl_khr_fp64 : enable
> +_CLC_DEFINE_BINARY_BUILTIN(double, nextafter, __clc_nextafter, double, double)
> +#endif
> -- 
> 2.13.6
> 
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