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update fixing bug #5599

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Viet Dinh
2015-11-02 08:38:05 -05:00
parent 03e7b71707
commit ed0065266e
2 changed files with 41 additions and 10 deletions
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13
modules/core/src/mathfuncs.cpp
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@@ -2530,21 +2530,14 @@ double cv::solvePoly( InputArray _coeffs0, OutputArray _roots0, int maxIters )
double old_num_im = num.im;
num.re = old_num_re*old_num_re + old_num_im*old_num_im;
Mat num_re_arr = (Mat_<double>(1,1) << num.re);
cv::sqrt(num_re_arr, num_re_arr);
num.re = num_re_arr.at<double>(0, 0);
num.re = std::sqrt(num.re);
num.re += old_num_re;
num.im = num.re - old_num_re;
num.re /= 2;
num_re_arr.at<double>(0, 0) = num.re;
cv::sqrt(num_re_arr, num_re_arr);
num.re = num_re_arr.at<double>(0, 0);
num.re = std::sqrt(num.re);
Mat num_im_arr = (Mat_<double>(1,1) << num.im);
num.im /= 2;
num_im_arr.at<double>(0, 0) = num.re;
cv::sqrt(num_im_arr, num_im_arr);
num.im = num_im_arr.at<double>(0, 0);
num.im = std::sqrt(num.im);
if( old_num_re < 0 ) num.im = -num.im;
}
}