[libclc] 145/291: Add pown

[Andreas Beckmann]

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anbe pushed a commit to branch master
in repository libclc.

commit 22a202d4adab68abac80ef67d4dcab5ec6a9e5dc
Author: Jeroen Ketema <j.ketema at imperial.ac.uk>
Date:   Wed Jun 18 19:42:23 2014 +0000

    Add pown
    
    Reviewed-by: Tom Stellard <tom at stellard.net>
    
    
    git-svn-id: https://llvm.org/svn/llvm-project/libclc/trunk@211211 91177308-0d34-0410-b5e6-96231b3b80d8
---
 generic/include/clc/clc.h       |  1 +
 generic/include/clc/math/pown.h | 24 ++++++++++++++++++++++++
 generic/lib/SOURCES             |  1 +
 generic/lib/math/pown.cl        |  9 +++++++++
 4 files changed, 35 insertions(+)

diff --git a/generic/include/clc/clc.h b/generic/include/clc/clc.h
index e0cae98..a975c0d 100644
--- a/generic/include/clc/clc.h
+++ b/generic/include/clc/clc.h
@@ -48,6 +48,7 @@
 #include <clc/math/mix.h>
 #include <clc/math/nextafter.h>
 #include <clc/math/pow.h>
+#include <clc/math/pown.h>
 #include <clc/math/rint.h>
 #include <clc/math/round.h>
 #include <clc/math/sin.h>
diff --git a/generic/include/clc/math/pown.h b/generic/include/clc/math/pown.h
new file mode 100644
index 0000000..bdbf50c
--- /dev/null
+++ b/generic/include/clc/math/pown.h
@@ -0,0 +1,24 @@
+#define _CLC_POWN_INTRINSIC "llvm.powi"
+
+#define _CLC_POWN_DECL(GENTYPE, INTTYPE) \
+  _CLC_OVERLOAD _CLC_DECL GENTYPE pown(GENTYPE x, INTTYPE y);
+
+#define _CLC_VECTOR_POWN_DECL(GENTYPE, INTTYPE) \
+  _CLC_POWN_DECL(GENTYPE##2, INTTYPE##2)  \
+  _CLC_POWN_DECL(GENTYPE##3, INTTYPE##3)  \
+  _CLC_POWN_DECL(GENTYPE##4, INTTYPE##4)  \
+  _CLC_POWN_DECL(GENTYPE##8, INTTYPE##8)  \
+  _CLC_POWN_DECL(GENTYPE##16, INTTYPE##16)
+
+_CLC_OVERLOAD float pown(float x, int y) __asm(_CLC_POWN_INTRINSIC ".f32");
+
+_CLC_VECTOR_POWN_DECL(float, int)
+
+#ifdef cl_khr_fp64
+_CLC_OVERLOAD double pown(double x, int y) __asm(_CLC_POWN_INTRINSIC ".f64");
+_CLC_VECTOR_POWN_DECL(double, int)
+#endif
+
+#undef _CLC_POWN_INTRINSIC
+#undef _CLC_POWN_DECL
+#undef _CLC_VECTOR_POWN_DECL
diff --git a/generic/lib/SOURCES b/generic/lib/SOURCES
index 02894d9..72f890b 100644
--- a/generic/lib/SOURCES
+++ b/generic/lib/SOURCES
@@ -35,6 +35,7 @@ math/mad.cl
 math/mix.cl
 math/clc_nextafter.cl
 math/nextafter.cl
+math/pown.cl
 math/sincos.cl
 relational/all.cl
 relational/any.cl
diff --git a/generic/lib/math/pown.cl b/generic/lib/math/pown.cl
new file mode 100644
index 0000000..46b354b
--- /dev/null
+++ b/generic/lib/math/pown.cl
@@ -0,0 +1,9 @@
+#include <clc/clc.h>
+
+_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, float, pown, float, int)
+
+#ifdef cl_khr_fp64
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+
+_CLC_BINARY_VECTORIZE(_CLC_OVERLOAD _CLC_DEF, double, pown, double, int)
+#endif

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