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science/py-dlib: fix build on powerpc64le

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Same issue as in dlib-cpp.
This commit is contained in:
Piotr Kubaj 2021-01-25 12:59:42 +00:00
parent 4b027237bd
commit d5a4408305
Notes: svn2git 2021-03-31 03:12:20 +00:00 
svn path=/head/; revision=562567
1 changed files with 14 additions and 0 deletions
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science/py-dlib/files/patch-dlib_simd_simd4f.h Normal file
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@ -0,0 +1,14 @@
--- dlib/simd/simd4f.h.orig 2021-01-11 12:18:36 UTC
+++ dlib/simd/simd4f.h
@@ -524,6 +524,11 @@ namespace dlib
// ----------------------------------------------------------------------------------------
+#if defined(DLIB_HAVE_VSX) && !defined(vec_rsqrt)
+extern inline __vector float __attribute__((always_inline)) vec_rsqrt(const __vector float& a)
+ { return vec_div((__vector float){1, 1, 1, 1}, vec_sqrt(a)); }
+#endif
+
inline simd4f reciprocal_sqrt (const simd4f& item)
{
#ifdef DLIB_HAVE_SSE2