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| author | Peter Collingbourne <peter@pcc.me.uk> | 2012-08-21 10:48:35 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2012-08-21 10:48:35 +0000 |
| commit | a9652818973fd27ac904b60dabe12d75ab192ff9 (patch) | |
| tree | 2fadd01fd84d7679dad988942c1c9f8b2aa9bccd | |
| parent | 1e8ef6c06fd23e593f67fb5b8e4bb89eb657e8d6 (diff) | |
Add rsqrt builtin. Based on patch by Cassie Epps!
git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@162274 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | generic/include/clc/clc.h | 1 | ||||
| -rw-r--r-- | generic/include/clc/math/rsqrt.h | 1 | ||||
| -rw-r--r-- | test/rsqrt.cl | 6 |
3 files changed, 8 insertions, 0 deletions
diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h index 4f49760..565b505 100644 --- a/generic/include/clc/clc.h +++ b/generic/include/clc/clc.h @@ -53,6 +53,7 @@ #include <clc/math/native_log2.h> #include <clc/math/native_sin.h> #include <clc/math/native_sqrt.h> +#include <clc/math/rsqrt.h> /* 6.11.3 Integer Functions */ #include <clc/integer/abs.h> diff --git a/generic/include/clc/math/rsqrt.h b/generic/include/clc/math/rsqrt.h new file mode 100644 index 0000000..8fd2cbf --- /dev/null +++ b/generic/include/clc/math/rsqrt.h @@ -0,0 +1 @@ +#define rsqrt(x) (1.f/sqrt(x))
diff --git a/test/rsqrt.cl b/test/rsqrt.cl new file mode 100644 index 0000000..13ad216 --- /dev/null +++ b/test/rsqrt.cl @@ -0,0 +1,6 @@ +#pragma OPENCL EXTENSION cl_khr_fp64 : enable + +__kernel void foo(float4 *x, double4 *y) { + x[1] = rsqrt(x[0]); + y[1] = rsqrt(y[0]); +} |