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fixed bugs #2300 (Vector::dot) and #2467 (build with Xcode 4.5 with --stdlib=libc++)

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This commit is contained in:
Vadim Pisarevsky 2012-11-01 16:37:39 +04:00
parent b5ecb1d32d
commit d9d4e8df6f
1 changed files with 8 additions and 13 deletions
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21
modules/core/include/opencv2/core/operations.hpp
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@ -56,7 +56,10 @@
#define CV_XADD(addr,delta) _InterlockedExchangeAdd(const_cast<void*>(reinterpret_cast<volatile void*>(addr)), delta)
#elif defined __GNUC__
#if __GNUC__*10 + __GNUC_MINOR__ >= 42
#if defined __clang__ && __clang_major__ >= 3 && defined __ATOMIC_SEQ_CST
#define CV_XADD(addr, delta) __c11_atomic_fetch_add((_Atomic(int)*)(addr), (delta), __ATOMIC_SEQ_CST)
#elif __GNUC__*10 + __GNUC_MINOR__ >= 42
#if !defined WIN32 && (defined __i486__ || defined __i586__ || \
defined __i686__ || defined __MMX__ || defined __SSE__ || defined __ppc__)
@ -2460,18 +2463,10 @@ dot(const Vector<_Tp>& v1, const Vector<_Tp>& v2)
assert(v1.size() == v2.size());
_Tw s = 0;
if( n > 0 )
{
const _Tp *ptr1 = &v1[0], *ptr2 = &v2[0];
#if CV_ENABLE_UNROLLED
const size_t n2 = (n > 4) ? n : 4;
for(; i <= n2 - 4; i += 4 )
s += (_Tw)ptr1[i]*ptr2[i] + (_Tw)ptr1[i+1]*ptr2[i+1] +
(_Tw)ptr1[i+2]*ptr2[i+2] + (_Tw)ptr1[i+3]*ptr2[i+3];
#endif
for( ; i < n; i++ )
s += (_Tw)ptr1[i]*ptr2[i];
}
const _Tp *ptr1 = &v1[0], *ptr2 = &v2[0];
for( ; i < n; i++ )
s += (_Tw)ptr1[i]*ptr2[i];
return s;
}