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refactored div & pow funcs; added tests for special cases in pow() function.

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fixed http://code.opencv.org/issues/3935
possibly fixed http://code.opencv.org/issues/3594
This commit is contained in:
Vadim Pisarevsky
2015-05-01 21:49:11 +03:00
parent 74e2b8cbcb
commit 9fbd1d68ad
7 changed files with 783 additions and 475 deletions
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10
modules/hal/include/opencv2/hal/intrin_sse.hpp
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@@ -614,6 +614,16 @@ inline v_int32x4 operator * (const v_int32x4& a, const v_int32x4& b)
__m128i d1 = _mm_unpackhi_epi32(c0, c1);
return v_int32x4(_mm_unpacklo_epi64(d0, d1));
}
inline v_uint32x4& operator *= (v_uint32x4& a, const v_uint32x4& b)
{
a = a * b;
return a;
}
inline v_int32x4& operator *= (v_int32x4& a, const v_int32x4& b)
{
a = a * b;
return a;
}
inline void v_mul_expand(const v_int16x8& a, const v_int16x8& b,
v_int32x4& c, v_int32x4& d)