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#2229 Fix FREAK build on CentOS

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This commit is contained in:
Andrey Kamaev 2012-08-15 17:23:07 +04:00
parent 859ee6087c
commit 65f8585630
1 changed files with 1 additions and 6 deletions
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7
modules/features2d/src/freak.cpp
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@ -277,11 +277,6 @@ void FREAK::computeImpl( const Mat& image, std::vector<KeyPoint>& keypoints, Mat
descriptors = cv::Mat::zeros((int)keypoints.size(), FREAK_NB_PAIRS/8, CV_8U);
#if CV_SSE2
__m128i* ptr= (__m128i*) (descriptors.data+(keypoints.size()-1)*descriptors.step[0]);
// binary: 10000000 => char: 128 or hex: 0x80
const __m128i binMask = _mm_set_epi8('\x80', '\x80', '\x80', '\x80',
'\x80', '\x80', '\x80', '\x80',
'\x80', '\x80', '\x80', '\x80',
'\x80', '\x80', '\x80', '\x80');
#else
std::bitset<FREAK_NB_PAIRS>* ptr = (std::bitset<FREAK_NB_PAIRS>*) (descriptors.data+(keypoints.size()-1)*descriptors.step[0]);
#endif
@ -364,7 +359,7 @@ void FREAK::computeImpl( const Mat& image, std::vector<KeyPoint>& keypoints, Mat
__m128i workReg = _mm_min_epu8(operand1, operand2); // emulated "not less than" for 8-bit UNSIGNED integers
workReg = _mm_cmpeq_epi8(workReg, operand2); // emulated "not less than" for 8-bit UNSIGNED integers
workReg = _mm_and_si128(_mm_srli_epi16(binMask, m), workReg); // merge the last 16 bits with the 128bits std::vector until full
workReg = _mm_and_si128(_mm_set1_epi16(short(0x8080 >> m)), workReg); // merge the last 16 bits with the 128bits std::vector until full
result128 = _mm_or_si128(result128, workReg);
}
(*ptr) = result128;